Merge pull request #1985 from AFLplusplus/dev

push to stable

.clang-format

@@ -0,0 +1,148 @@
+---
+Language:        Cpp
+# BasedOnStyle:  Google
+AccessModifierOffset: -1
+AlignAfterOpenBracket: Align
+AlignConsecutiveAssignments: false
+AlignConsecutiveDeclarations: true
+AlignEscapedNewlines: Left
+AlignOperands:   true
+AlignTrailingComments: true
+AllowAllParametersOfDeclarationOnNextLine: true
+AllowShortBlocksOnASingleLine: true
+AllowShortCaseLabelsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: false
+AllowShortIfStatementsOnASingleLine: true
+AllowShortLoopsOnASingleLine: false
+AlwaysBreakAfterDefinitionReturnType: None
+AlwaysBreakAfterReturnType: None
+AlwaysBreakBeforeMultilineStrings: true
+AlwaysBreakTemplateDeclarations: Yes
+BinPackArguments: true
+BinPackParameters: true
+BraceWrapping:   
+  AfterClass:      false
+  AfterControlStatement: false
+  AfterEnum:       false
+  AfterFunction:   false
+  AfterNamespace:  false
+  AfterObjCDeclaration: false
+  AfterStruct:     false
+  AfterUnion:      false
+  AfterExternBlock: false
+  BeforeCatch:     false
+  BeforeElse:      false
+  IndentBraces:    false
+  SplitEmptyFunction: true
+  SplitEmptyRecord: true
+  SplitEmptyNamespace: true
+BreakBeforeBinaryOperators: None
+BreakBeforeBraces: Attach
+BreakBeforeInheritanceComma: false
+BreakInheritanceList: BeforeColon
+BreakBeforeTernaryOperators: true
+BreakConstructorInitializersBeforeComma: false
+BreakConstructorInitializers: BeforeColon
+BreakAfterJavaFieldAnnotations: false
+BreakStringLiterals: true
+ColumnLimit:     80
+CommentPragmas:  '^ IWYU pragma:'
+CompactNamespaces: false
+ConstructorInitializerAllOnOneLineOrOnePerLine: true
+ConstructorInitializerIndentWidth: 4
+ContinuationIndentWidth: 4
+Cpp11BracedListStyle: true
+DerivePointerAlignment: false
+DisableFormat:   false
+ExperimentalAutoDetectBinPacking: false
+FixNamespaceComments: true
+ForEachMacros:   
+  - foreach
+  - Q_FOREACH
+  - BOOST_FOREACH
+IncludeBlocks:   Preserve
+IncludeCategories: 
+  - Regex:           '^<ext/.*\.h>'
+    Priority:        2
+  - Regex:           '^<.*\.h>'
+    Priority:        1
+  - Regex:           '^<.*'
+    Priority:        2
+  - Regex:           '.*'
+    Priority:        3
+IncludeIsMainRegex: '([-_](test|unittest))?$'
+IndentCaseLabels: true
+IndentPPDirectives: BeforeHash
+IndentWidth:     2
+IndentWrappedFunctionNames: false
+JavaScriptQuotes: Leave
+JavaScriptWrapImports: true
+KeepEmptyLinesAtTheStartOfBlocks: false
+MacroBlockBegin: ''
+MacroBlockEnd:   ''
+MaxEmptyLinesToKeep: 1
+NamespaceIndentation: None
+ObjCBinPackProtocolList: Never
+ObjCBlockIndentWidth: 2
+ObjCSpaceAfterProperty: false
+ObjCSpaceBeforeProtocolList: true
+PenaltyBreakAssignment: 2
+PenaltyBreakBeforeFirstCallParameter: 1
+PenaltyBreakComment: 300
+PenaltyBreakFirstLessLess: 120
+PenaltyBreakString: 1000
+PenaltyBreakTemplateDeclaration: 10
+PenaltyExcessCharacter: 1000000
+PenaltyReturnTypeOnItsOwnLine: 200
+PointerAlignment: Right
+RawStringFormats: 
+  - Language:        Cpp
+    Delimiters:      
+      - cc
+      - CC
+      - cpp
+      - Cpp
+      - CPP
+      - 'c++'
+      - 'C++'
+    CanonicalDelimiter: ''
+    BasedOnStyle:    google
+  - Language:        TextProto
+    Delimiters:      
+      - pb
+      - PB
+      - proto
+      - PROTO
+    EnclosingFunctions: 
+      - EqualsProto
+      - EquivToProto
+      - PARSE_PARTIAL_TEXT_PROTO
+      - PARSE_TEST_PROTO
+      - PARSE_TEXT_PROTO
+      - ParseTextOrDie
+      - ParseTextProtoOrDie
+    CanonicalDelimiter: ''
+    BasedOnStyle:    google
+ReflowComments:  true
+SortIncludes:    false
+SortUsingDeclarations: true
+SpaceAfterCStyleCast: false
+SpaceAfterTemplateKeyword: true
+SpaceBeforeAssignmentOperators: true
+SpaceBeforeCpp11BracedList: false
+SpaceBeforeCtorInitializerColon: true
+SpaceBeforeInheritanceColon: true
+SpaceBeforeParens: ControlStatements
+SpaceBeforeRangeBasedForLoopColon: true
+SpaceInEmptyParentheses: false
+SpacesBeforeTrailingComments: 2
+SpacesInAngles:  false
+SpacesInContainerLiterals: true
+SpacesInCStyleCastParentheses: false
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+Standard:        Auto
+TabWidth:        8
+UseTab:          Never
+...
+

.custom-format.py

@@ -0,0 +1,159 @@
+#!/usr/bin/env python3
+#
+# american fuzzy lop++ - custom code formatter
+# --------------------------------------------
+#
+# Written and maintained by Andrea Fioraldi <andreafioraldi@gmail.com>
+#
+# Copyright 2015, 2016, 2017 Google Inc. All rights reserved.
+# Copyright 2019-2023 AFLplusplus Project. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+
+import subprocess
+import sys
+import os
+# import re # TODO: for future use
+import shutil
+import importlib.metadata
+
+# string_re = re.compile('(\\"(\\\\.|[^"\\\\])*\\")') # TODO: for future use
+
+CURRENT_LLVM = os.getenv('LLVM_VERSION', 17)
+CLANG_FORMAT_BIN = os.getenv("CLANG_FORMAT_BIN", "")
+
+
+def check_clang_format_pip_version():
+    """
+    Check if the correct version of clang-format is installed via pip.
+
+    Returns:
+        bool: True if the correct version of clang-format is installed,
+        False otherwise.
+    """
+    # Check if clang-format is installed
+    if importlib.util.find_spec('clang_format'):
+        # Check if the installed version is the expected LLVM version
+        if importlib.metadata.version('clang-format')\
+                .startswith(str(CURRENT_LLVM)+'.'):
+            return True
+        else:
+            # Return False, because the clang-format version does not match
+            return False
+    else:
+        # If the 'clang_format' package isn't installed, return False
+        return False
+
+
+with open(".clang-format") as f:
+    fmt = f.read()
+
+
+CLANG_FORMAT_PIP = check_clang_format_pip_version()
+
+if shutil.which(CLANG_FORMAT_BIN) is None:
+    CLANG_FORMAT_BIN = f"clang-format-{CURRENT_LLVM}"
+
+if shutil.which(CLANG_FORMAT_BIN) is None \
+        and CLANG_FORMAT_PIP is False:
+    print(f"[!] clang-format-{CURRENT_LLVM} is needed. Aborted.")
+    print(f"Run `pip3 install \"clang-format=={CURRENT_LLVM}.*\"` \
+to install via pip.")
+    exit(1)
+
+if CLANG_FORMAT_PIP:
+    CLANG_FORMAT_BIN = shutil.which("clang-format")
+
+COLUMN_LIMIT = 80
+for line in fmt.split("\n"):
+    line = line.split(":")
+    if line[0].strip() == "ColumnLimit":
+        COLUMN_LIMIT = int(line[1].strip())
+
+
+def custom_format(filename):
+    p = subprocess.Popen([CLANG_FORMAT_BIN, filename], stdout=subprocess.PIPE)
+    src, _ = p.communicate()
+    src = str(src, "utf-8")
+
+    in_define = False
+    last_line = None
+    out = ""
+
+    for line in src.split("\n"):
+        if line.lstrip().startswith("#"):
+            if line[line.find("#") + 1:].lstrip().startswith("define"):
+                in_define = True
+
+        if (
+                "/*" in line
+                and not line.strip().startswith("/*")
+                and line.endswith("*/")
+                and len(line) < (COLUMN_LIMIT - 2)
+        ):
+            cmt_start = line.rfind("/*")
+            line = (
+                    line[:cmt_start]
+                    + " " * (COLUMN_LIMIT - 2 - len(line))
+                    + line[cmt_start:]
+            )
+
+        define_padding = 0
+        if last_line is not None and in_define and last_line.endswith("\\"):
+            last_line = last_line[:-1]
+            define_padding = max(0, len(last_line[last_line.rfind("\n") + 1:]))
+
+        if (
+                last_line is not None
+                and last_line.strip().endswith("{")
+                and line.strip() != ""
+        ):
+            line = (" " * define_padding + "\\" if in_define else "") + "\n" + line
+        elif (
+                last_line is not None
+                and last_line.strip().startswith("}")
+                and line.strip() != ""
+        ):
+            line = (" " * define_padding + "\\" if in_define else "") + "\n" + line
+        elif (
+                line.strip().startswith("}")
+                and last_line is not None
+                and last_line.strip() != ""
+        ):
+            line = (" " * define_padding + "\\" if in_define else "") + "\n" + line
+
+        if not line.endswith("\\"):
+            in_define = False
+
+        out += line + "\n"
+        last_line = line
+
+    return out
+
+
+args = sys.argv[1:]
+if len(args) == 0:
+    print("Usage: ./format.py [-i] <filename>")
+    print()
+    print(" The -i option, if specified, let the script to modify in-place")
+    print(" the source files. By default the results are written to stdout.")
+    print()
+    exit(1)
+
+in_place = False
+if args[0] == "-i":
+    in_place = True
+    args = args[1:]
+
+for filename in args:
+    code = custom_format(filename)
+    if in_place:
+        with open(filename, "w") as f:
+            f.write(code)
+    else:
+        print(code)

.dockerignore

@@ -0,0 +1,75 @@
+!/coresight_mode
+*.dSYM
+*.o
+*.pyc
+*.so
+.sync_tmp
+.test
+.test2
+.git
+.dockerignore
+.github
+CITATION.cff
+CONTRIBUTING.md
+Changelog.md
+Dockerfile
+LICENSE
+TODO.md
+afl-analyze
+afl-analyze.8
+afl-as
+afl-as.8
+afl-clang
+afl-clang-fast
+afl-clang-fast.8
+afl-clang-fast\+\+
+afl-clang-fast\+\+.8
+afl-clang-lto
+afl-clang-lto.8
+afl-clang-lto\+\+
+afl-clang-lto\+\+.8
+afl-clang\+\+
+afl-cmin.8
+afl-cmin.bash.8
+afl-fuzz
+afl-fuzz.8
+afl-g\+\+
+afl-g\+\+-fast
+afl-g\+\+-fast.8
+afl-gcc
+afl-gcc-fast
+afl-gcc-fast.8
+afl-gcc.8
+afl-gotcpu
+afl-gotcpu.8
+afl-ld
+afl-ld-lto
+afl-plot.8
+afl-qemu-trace
+afl-showmap
+afl-showmap.8
+afl-system-config.8
+afl-tmin
+afl-tmin.8
+afl-whatsup.8
+as
+core*
+examples/afl_frida/afl-frida
+examples/afl_frida/frida-gum-example.c
+examples/afl_frida/frida-gum.h
+examples/afl_frida/libtestinstr.so
+examples/afl_network_proxy/afl-network-client
+examples/afl_network_proxy/afl-network-server
+in
+ld
+out
+qemu_mode/libcompcov/compcovtest
+qemu_mode/qemu-*
+test/unittests/unit_hash
+test/unittests/unit_list
+test/unittests/unit_maybe_alloc
+test/unittests/unit_preallocable
+test/unittests/unit_rand
+unicorn_mode/samples/*/\.test-*
+unicorn_mode/samples/*/output
+unicorn_mode/unicornafl

.github/FUNDING.yml

@@ -0,0 +1,13 @@
+# These are supported funding model platforms
+
+# Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
+github: AFLplusplus
+patreon: # Replace with a single Patreon username
+open_collective: AFLplusplusEU
+ko_fi: # Replace with a single Ko-fi username
+tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,32 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**IMPORTANT**
+1. You have verified that the issue to be present in the current `dev` branch.
+2. Please supply the command line options and relevant environment variables,
+   e.g., a copy-paste of the contents of `out/default/fuzzer_setup`.
+
+Thank you for making AFL++ better!
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior:
+1. ...
+2. ...
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screen output/Screenshots**
+If applicable, add copy-paste of the screen output or screenshot that shows the issue. Please ensure the output is in **English** and not in Chinese, Russian, German, etc.
+
+**Additional context**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,20 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.

.github/workflows/ci.yml

@@ -0,0 +1,56 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - stable
+      - dev
+  pull_request:
+    branches:
+      - dev # No need for stable-pull-request, as that equals dev-push
+
+jobs:
+  linux:
+    runs-on: "${{ matrix.os }}"
+    strategy:
+      matrix:
+        os: [ubuntu-22.04, ubuntu-20.04]
+    env:
+      AFL_SKIP_CPUFREQ: 1
+      AFL_I_DONT_CARE_ABOUT_MISSING_CRASHES: 1
+    steps:
+      - uses: actions/checkout@v3
+      - name: update
+        run: sudo apt-get update && sudo apt-get upgrade -y
+      - name: debug
+        run: apt-cache search plugin-dev | grep gcc-; echo; apt-cache search clang-format- | grep clang-format-
+      - name: install packages
+        run: sudo apt-get install -y -m -f build-essential gcc-10 g++-10 git libtool libtool-bin automake flex bison libglib2.0-0 clang-12 llvm-12-dev libc++-dev findutils libcmocka-dev python3-dev python3-setuptools ninja-build python3-pip gcc-10-plugin-dev
+      - name: compiler installed
+        run: gcc -v; echo; clang -v
+      - name: install gcc plugin
+        run: sudo apt-get install -y -m -f --install-suggests $(readlink /usr/bin/gcc)-plugin-dev
+      - name: build afl++
+        run: export NO_NYX=1; export ASAN_BUILD=1; export LLVM_CONFIG=llvm-config-12; make ASAN_BUILD=1 NO_NYX=1 LLVM_CONFIG=llvm-config-12 distrib
+      - name: run tests
+        run: sudo -E ./afl-system-config; make tests
+ # macos:
+ #   runs-on: macOS-latest
+ #   env:
+ #     AFL_MAP_SIZE: 65536
+ #     AFL_SKIP_CPUFREQ: 1
+ #     AFL_I_DONT_CARE_ABOUT_MISSING_CRASHES: 1
+ #   steps:
+ #     - uses: actions/checkout@v3
+ #     - name: install
+ #       run: brew install make gcc llvm
+ #     - name: fix install
+ #       run: cd /usr/local/bin; ln -s gcc-11 gcc; ln -s g++-11 g++; which gcc; gcc -v
+ #     - name: build
+ #       run: export PATH=/usr/local/Cellar/llvm/*/":$PATH"; export CC=/usr/local/Cellar/llvm/*/bin/clang; export CXX="$CC"++; export LLVM_CONFIG=/usr/local/Cellar/llvm/*/bin/llvm-config; sudo -E ./afl-system-config; gmake ASAN_BUILD=1
+ #     - name: frida
+ #       run: export CC=/usr/local/Cellar/llvm/*/bin/clang; export CXX="$CC"++; cd frida_mode; gmake
+ #     - name: run tests
+ #       run: sudo -E ./afl-system-config; export CC=/usr/local/Cellar/llvm/*/bin/clang; export CXX="$CC"++; export PATH=/usr/local/Cellar/llvm/*/":/usr/local/bin:$PATH"; export LLVM_CONFIG=/usr/local/Cellar/llvm/*/bin/llvm-config; gmake tests
+ #     - name: force frida test for MacOS
+ #       run: export AFL_PATH=`pwd`; /usr/local/bin/gcc -o test-instr test-instr.c; mkdir in; echo > in/in; AFL_NO_UI=1 ./afl-fuzz -O -i in -o out -V 5 -- ./test-instr

.github/workflows/code-format.yml

@@ -0,0 +1,33 @@
+name: Formatting
+
+on:
+  push:
+    branches:
+      - stable
+      - dev
+  pull_request:
+    branches:
+      - dev # No need for stable-pull-request, as that equals dev-push
+
+jobs:
+  code-format-check:
+    name: Check code format
+    if: ${{ 'false' == 'true' }} # Disable the job
+    runs-on: ubuntu-22.04
+    container: docker.io/aflplusplus/aflplusplus:dev
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Format
+        run: |
+          git config --global --add safe.directory /__w/AFLplusplus/AFLplusplus
+          apt-get update
+          apt-get install -y clang-format-${LLVM_VERSION}
+          make code-format
+      - name: Check if code needed formatting
+        run: |
+          git --no-pager -c color.ui=always diff HEAD
+          if ! git diff HEAD --quiet; then
+            echo "[!] Please run 'make code-format' and push its changes."
+            exit 1
+          fi

.github/workflows/codeql-analysis.yml

@@ -0,0 +1,33 @@
+name: "CodeQL"
+
+on:
+  push:
+    branches:
+      - stable
+      - dev
+  pull_request:
+    branches:
+      - dev # No need for stable-pull-request, as that equals dev-push
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+    container: # We use a previous image as it's expected to have all the dependencies
+      image: docker.io/aflplusplus/aflplusplus:dev
+    steps:
+      - name: Fix for using external repo in container build # https://github.com/actions/checkout/issues/760
+        run: git config --global --add safe.directory /__w/AFLplusplus/AFLplusplus
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v2
+        with:
+          languages: cpp, python
+      - name: Build AFLplusplus # Rebuild because CodeQL needs to monitor the build process
+        env:
+          CC: gcc # These are symlinked to the version used in the container build
+          CXX: g++
+        run: make -i all # Best effort using -i
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@v2

.github/workflows/container.yml

@@ -0,0 +1,75 @@
+name: Container
+on:
+  push:
+    branches:
+      - stable
+      - dev
+    tags:
+      - "*"
+  pull_request:
+    branches:
+      - dev # No need for stable-pull-request, as that equals dev-push
+
+jobs:
+  build-and-test-amd64:
+    name: Test amd64 image
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+      - name: Build amd64
+        uses: docker/build-push-action@v3
+        with:
+          context: .
+          tags: aflplusplus:test-amd64
+          load: true
+          cache-to: type=gha,mode=max
+          build-args: |
+            TEST_BUILD=1
+      - name: Test amd64
+        run: >
+          docker run --rm aflplusplus:test-amd64 bash -c "
+          apt-get update && 
+          apt-get install -y libcmocka-dev && 
+          make -i tests
+          "
+
+  push:
+    name: Push amd64 and arm64 images
+    runs-on: ubuntu-latest
+    needs:
+      - build-and-test-amd64
+    if: ${{ github.event_name == 'push' && github.repository == 'AFLplusplus/AFLplusplus' }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+        with:
+          platforms: arm64
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+      - name: Login to docker.io
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_TOKEN }}
+      - name: Set tags to push
+        id: push-tags
+        run: |
+          PUSH_TAGS=docker.io/aflplusplus/aflplusplus:${GITHUB_REF_NAME}
+          if [ "${GITHUB_REF_NAME}" = "stable" ]; then
+            PUSH_TAGS=${PUSH_TAGS},docker.io/aflplusplus/aflplusplus:latest
+          fi
+          export PUSH_TAGS
+          echo "::set-output name=PUSH_TAGS::${PUSH_TAGS}"
+      - name: Push to docker.io registry
+        uses: docker/build-push-action@v3
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ steps.push-tags.outputs.PUSH_TAGS }}
+          cache-from: type=gha

.github/workflows/rust_custom_mutator.yml

@@ -0,0 +1,33 @@
+name: Rust Custom Mutators
+
+on:
+  push:
+    branches:
+      - stable
+      - dev
+  pull_request:
+    branches:
+      - dev # No need for stable-pull-request, as that equals dev-push
+
+jobs:
+  test:
+    name: Test Rust Custom Mutator Support
+    runs-on: '${{ matrix.os }}'
+    defaults:
+      run:
+        working-directory: custom_mutators/rust
+    strategy:
+      matrix:
+        os: [ubuntu-22.04, ubuntu-20.04]
+    steps:
+      - uses: actions/checkout@v3
+      - name: Install Rust Toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+      - name: Check Code Compiles
+        run: cargo check
+      - name: Run General Tests
+        run: cargo test
+      - name: Run Tests for afl_internals feature flag
+        run: cd custom_mutator && cargo test --features=afl_internals

.gitignore

@@ -0,0 +1,108 @@
+!coresight_mode
+!coresight_mode/coresight-trace
+*.dSYM
+*.o
+*.o.tmp
+*.pyc
+*.so
+*.swp
+.sync_tmp
+.test
+.test2
+.vscode
+afl-addseeds.8
+afl-analyze
+afl-analyze.8
+afl-as
+afl-as.8
+afl-c++
+afl-c++.8
+afl-cc
+afl-cc.8
+afl-clang
+afl-clang++
+afl-clang-fast
+afl-clang-fast++
+afl-clang-fast++.8
+afl-clang-fast.8
+afl-clang-lto
+afl-clang-lto++
+afl-clang-lto++.8
+afl-clang-lto.8
+afl-cmin.8
+afl-cmin.bash.8
+afl-cs-proxy
+afl-frida-trace.so
+afl-fuzz
+afl-fuzz.8
+afl-g++
+afl-g++.8
+afl-gcc
+afl-gcc.8
+afl-gcc-fast
+afl-gcc-fast.8
+afl-g++-fast
+afl-g++-fast.8
+afl-gotcpu
+afl-gotcpu.8
+afl-ld
+afl-ld-lto
+afl-lto
+afl-lto++
+afl-lto++.8
+afl-lto.8
+afl-persistent-config.8
+afl-plot.8
+afl-qemu-trace
+afl-showmap
+afl-showmap.8
+afl-system-config.8
+afl-tmin
+afl-tmin.8
+afl-whatsup.8
+a.out
+as
+compile_commands.json
+core*
+examples/afl_frida/afl-frida
+examples/afl_frida/frida-gum-example.c
+examples/afl_frida/frida-gum.h
+examples/afl_frida/libtestinstr.so
+examples/afl_network_proxy/afl-network-client
+examples/afl_network_proxy/afl-network-server
+examples/aflpp_driver/libAFLDriver.a
+examples/aflpp_driver/libAFLQemuDriver.a
+gmon.out
+in
+ld
+libAFLDriver.a
+libAFLQemuDriver.a
+out
+qemu_mode/libcompcov/compcovtest
+qemu_mode/qemu-*
+qemu_mode/qemuafl
+test/.afl_performance
+test-instr
+test/output
+test/test-c
+test/test-cmplog
+test/test-compcov
+test/test-instr.ts
+test/test-persistent
+test/unittests/unit_hash
+test/unittests/unit_list
+test/unittests/unit_maybe_alloc
+test/unittests/unit_preallocable
+test/unittests/unit_rand
+unicorn_mode/samples/*/output/
+unicorn_mode/samples/*/\.test-*
+utils/afl_network_proxy/afl-network-client
+utils/afl_network_proxy/afl-network-server
+utils/afl_proxy/afl-proxy
+utils/optimin/build
+utils/optimin/optimin
+utils/persistent_mode/persistent_demo
+utils/persistent_mode/persistent_demo_new
+utils/persistent_mode/test-instr
+utils/plot_ui/afl-plot-ui
+vuln_prog

.gitmodules

@@ -0,0 +1,27 @@
+[submodule "unicorn_mode/unicornafl"]
+	path = unicorn_mode/unicornafl
+	url = https://github.com/AFLplusplus/unicornafl
+[submodule "custom_mutators/grammar_mutator"]
+	path = custom_mutators/grammar_mutator/grammar_mutator
+	url = https://github.com/AFLplusplus/Grammar-Mutator
+[submodule "qemu_mode/qemuafl"]
+	path = qemu_mode/qemuafl
+	url = https://github.com/AFLplusplus/qemuafl
+[submodule "custom_mutators/gramatron/json-c"]
+	path = custom_mutators/gramatron/json-c
+	url = https://github.com/json-c/json-c
+[submodule "coresight_mode/patchelf"]
+	path = coresight_mode/patchelf
+	url = https://github.com/NixOS/patchelf.git
+[submodule "coresight_mode/coresight-trace"]
+	path = coresight_mode/coresight-trace
+	url = https://github.com/RICSecLab/coresight-trace.git
+[submodule "nyx_mode/libnyx"]
+	path = nyx_mode/libnyx
+	url = https://github.com/nyx-fuzz/libnyx.git
+[submodule "nyx_mode/packer"]
+	path = nyx_mode/packer
+	url = https://github.com/nyx-fuzz/packer.git
+[submodule "nyx_mode/QEMU-Nyx"]
+	path = nyx_mode/QEMU-Nyx
+	url = https://github.com/nyx-fuzz/QEMU-Nyx

Android.bp

@@ -0,0 +1,419 @@
+//
+// NOTE: This file is outdated. None of the AFL++ team uses Android hence
+//       we need users to keep this updated.
+//       In the current state it will likely fail, please send fixes!
+//       Also, this should build frida_mode.
+//
+
+
+cc_defaults {
+  name: "afl-defaults",
+
+  local_include_dirs: [
+    "include",
+    "instrumentation",
+  ],
+
+  cflags: [
+    "-flto=full",
+    "-funroll-loops",
+    "-Wno-pointer-sign",
+    "-Wno-pointer-arith",
+    "-Wno-sign-compare",
+    "-Wno-unused-parameter",
+    "-Wno-unused-function",
+    "-Wno-format",
+    "-Wno-user-defined-warnings",
+    "-DAFL_LLVM_USE_TRACE_PC=1",
+    "-DBIN_PATH=\"out/host/linux-x86/bin\"",
+    "-DDOC_PATH=\"out/host/linux-x86/shared/doc/afl\"",
+    "-D__USE_GNU",
+    "-DDEBUG_BUILD",
+    "-U_FORTIFY_SOURCE",
+    "-ggdb3",
+    "-g",
+    "-O0",
+    "-fno-omit-frame-pointer",
+    "-fPIC",
+  ],
+
+  target: {
+    android_arm64: {
+      cflags: [
+        "-D__ANDROID__",
+      ],
+    },
+    android_arm: {
+      cflags: [
+        "-D__ANDROID__",
+      ],
+    },
+    android_x86_64: {
+      cflags: [
+        "-D__ANDROID__",
+      ],
+    },
+    android_x86: {
+      cflags: [
+        "-D__ANDROID__",
+      ],
+    },
+  },
+}
+
+cc_binary {
+  name: "afl-fuzz",
+  sanitize: {
+    never: true,
+  },
+  host_supported: true,
+  compile_multilib: "64",
+
+  defaults: [
+    "afl-defaults",
+  ],
+
+  srcs: [
+    "src/afl-fuzz*.c",
+    "src/afl-common.c",
+    "src/afl-forkserver.c",
+    "src/afl-sharedmem.c",
+    "src/afl-forkserver.c",
+    "src/afl-performance.c",
+  ],
+}
+
+cc_binary {
+  name: "afl-showmap",
+  static_executable: true,
+  host_supported: true,
+
+  defaults: [
+    "afl-defaults",
+  ],
+
+  srcs: [
+    "src/afl-showmap.c",
+    "src/afl-common.c",
+    "src/afl-sharedmem.c",
+    "src/afl-forkserver.c",
+    "src/afl-performance.c",
+  ],
+}
+
+cc_binary {
+  name: "afl-tmin",
+  static_executable: true,
+  host_supported: true,
+
+  defaults: [
+    "afl-defaults",
+  ],
+
+  srcs: [
+    "src/afl-tmin.c",
+    "src/afl-common.c",
+    "src/afl-sharedmem.c",
+    "src/afl-forkserver.c",
+    "src/afl-performance.c",
+  ],
+}
+
+cc_binary {
+  name: "afl-analyze",
+  static_executable: true,
+  host_supported: true,
+
+  defaults: [
+    "afl-defaults",
+  ],
+
+  srcs: [
+    "src/afl-analyze.c",
+    "src/afl-common.c",
+    "src/afl-sharedmem.c",
+    "src/afl-performance.c",
+  ],
+}
+
+cc_binary {
+  name: "afl-gotcpu",
+  static_executable: true,
+  host_supported: true,
+
+  defaults: [
+    "afl-defaults",
+  ],
+
+  srcs: [
+    "src/afl-gotcpu.c",
+    "src/afl-common.c",
+  ],
+}
+
+cc_binary_host {
+  name: "afl-cc",
+  static_executable: true,
+
+  defaults: [
+    "afl-defaults",
+  ],
+
+  cflags: [
+    "-DAFL_PATH=\"out/host/linux-x86/lib64\"",
+    "-DAFL_CLANG_FLTO=\"-flto=full\"",
+    "-DUSE_BINDIR=1",
+    "-DLLVM_BINDIR=\"prebuilts/clang/host/linux-x86/clang-r383902b/bin\"",
+    "-DLLVM_LIBDIR=\"prebuilts/clang/host/linux-x86/clang-r383902b/lib64\"",
+    "-DCLANGPP_BIN=\"prebuilts/clang/host/linux-x86/clang-r383902b/bin/clang++\"",
+    "-DAFL_REAL_LD=\"prebuilts/clang/host/linux-x86/clang-r383902b/bin/ld.lld\"",
+    "-DLLVM_LTO=1",
+    "-DLLVM_MAJOR=11",
+    "-DLLVM_MINOR=2",
+  ],
+
+  srcs: [
+    "src/afl-cc.c",
+    "src/afl-common.c",
+  ],
+
+  symlinks: [
+    "afl-clang-fast",
+    "afl-clang-fast++",
+  ],
+}
+
+cc_library_static {
+  name: "afl-compiler-rt",
+  compile_multilib: "64",
+  vendor_available: true,
+  host_supported: true,
+  recovery_available: true,
+  sdk_version: "9",
+
+  apex_available: [
+    "com.android.adbd",
+    "com.android.appsearch",
+    "com.android.art",
+    "com.android.bluetooth.updatable",
+    "com.android.cellbroadcast",
+    "com.android.conscrypt",
+    "com.android.extservices",
+    "com.android.cronet",
+    "com.android.neuralnetworks",
+    "com.android.media",
+    "com.android.media.swcodec",
+    "com.android.mediaprovider",
+    "com.android.permission",
+    "com.android.runtime",
+    "com.android.resolv",
+    "com.android.tethering",
+    "com.android.wifi",
+    "com.android.sdkext",
+    "com.android.os.statsd",
+    "//any",
+  ],
+
+  defaults: [
+    "afl-defaults",
+  ],
+
+  srcs: [
+    "instrumentation/afl-compiler-rt.o.c",
+  ],
+}
+
+cc_library_headers {
+  name: "libafl_headers",
+  vendor_available: true,
+  host_supported: true,
+
+  export_include_dirs: [
+    "include",
+    "instrumentation",
+  ],
+}
+
+/*
+cc_prebuilt_library_static {
+  name: "libfrida-gum",
+  compile_multilib: "64",
+  strip: {
+    none: true,
+  },
+
+  srcs: [
+    "utils/afl_frida/android/libfrida-gum.a",
+  ],
+
+  export_include_dirs: [
+    "utils/afl_frida/android",
+  ],
+}
+
+cc_library_shared {
+  name: "libtestinstr",
+
+  srcs: [
+    "utils/afl_frida/libtestinstr.c",
+  ],
+
+  cflags: [
+    "-O0",
+    "-fPIC",
+  ],
+}
+
+cc_binary {
+  name: "afl-frida",
+  compile_multilib: "64",
+
+  defaults: [
+    "afl-defaults",
+  ],
+
+  cflags: [
+    "-g",
+    "-O0",
+    "-Wno-format",
+    "-Wno-pointer-sign",
+    "-fpermissive",
+    "-fPIC",
+  ],
+
+  static_libs: [
+    "afl-compiler-rt",
+    "libfrida-gum",
+  ],
+
+  shared_libs: [
+    "libdl",
+    "liblog",
+  ],
+
+  srcs: [
+    "utils/afl_frida/afl-frida.c",
+  ],
+
+  local_include_dirs: [
+    "utils/afl_frida",
+    "utils/afl_frida/android",
+  ],
+}
+*/
+
+cc_binary {
+  name: "afl-fuzz-32",
+  sanitize: {
+    never: true,
+  },
+  host_supported: true,
+  compile_multilib: "32",
+
+  defaults: [
+    "afl-defaults",
+  ],
+
+  srcs: [
+    "src/afl-fuzz*.c",
+    "src/afl-common.c",
+    "src/afl-sharedmem.c",
+    "src/afl-forkserver.c",
+    "src/afl-performance.c",
+  ],
+}
+
+cc_binary_host {
+  name: "afl-cc-32",
+  compile_multilib: "32",
+  static_executable: true,
+
+  defaults: [
+    "afl-defaults",
+  ],
+
+  cflags: [
+    "-DAFL_PATH=\"out/host/linux-x86/lib64\"",
+    "-DAFL_CLANG_FLTO=\"-flto=full\"",
+    "-DUSE_BINDIR=1",
+    "-DLLVM_BINDIR=\"prebuilts/clang/host/linux-x86/clang-r383902b/bin\"",
+    "-DLLVM_LIBDIR=\"prebuilts/clang/host/linux-x86/clang-r383902b/lib64\"",
+    "-DCLANGPP_BIN=\"prebuilts/clang/host/linux-x86/clang-r383902b/bin/clang++\"",
+    "-DAFL_REAL_LD=\"prebuilts/clang/host/linux-x86/clang-r383902b/bin/ld.lld\"",
+    "-DLLVM_LTO=1",
+    "-DLLVM_MAJOR=11",
+    "-DLLVM_MINOR=2",
+  ],
+
+  srcs: [
+    "src/afl-cc.c",
+    "src/afl-common.c",
+  ],
+
+  symlinks: [
+    "afl-clang-fast-32",
+    "afl-clang-fast++-32",
+  ],
+}
+
+cc_library_static {
+  name: "afl-compiler-rt-32",
+  compile_multilib: "32",
+  vendor_available: true,
+  host_supported: true,
+  recovery_available: true,
+  sdk_version: "9",
+
+  apex_available: [
+    "com.android.adbd",
+    "com.android.appsearch",
+    "com.android.art",
+    "com.android.bluetooth.updatable",
+    "com.android.cellbroadcast",
+    "com.android.conscrypt",
+    "com.android.extservices",
+    "com.android.cronet",
+    "com.android.neuralnetworks",
+    "com.android.media",
+    "com.android.media.swcodec",
+    "com.android.mediaprovider",
+    "com.android.permission",
+    "com.android.runtime",
+    "com.android.resolv",
+    "com.android.tethering",
+    "com.android.wifi",
+    "com.android.sdkext",
+    "com.android.os.statsd",
+    "//any",
+  ],
+
+  defaults: [
+    "afl-defaults",
+  ],
+
+  srcs: [
+    "instrumentation/afl-compiler-rt.o.c",
+  ],
+}
+
+/*
+cc_prebuilt_library_static {
+  name: "libfrida-gum-32",
+  compile_multilib: "32",
+  strip: {
+    none: true,
+  },
+
+  srcs: [
+    "utils/afl_frida/android/arm/libfrida-gum.a",
+  ],
+
+  export_include_dirs: [
+    "utils/afl_frida/android/arm",
+  ],
+}
+*/
+
+subdirs = [
+  "custom_mutators",
+]

CITATION.cff

@@ -0,0 +1,31 @@
+cff-version: 1.2.0
+message: "If you use this software, please cite it as below."
+authors:
+  - given-names: Marc
+    family-names: Heuse
+    email: mh@mh-sec.de
+  - given-names: Heiko
+    family-names: Eißfeldt
+    email: heiko.eissfeldt@hexco.de
+  - given-names: Andrea
+    family-names: Fioraldi
+    email: andreafioraldi@gmail.com
+  - given-names: Dominik
+    family-names: Maier
+    email: mail@dmnk.co
+title: "AFL++"
+version: 4.00c
+type: software
+date-released: 2022-01-26
+url: "https://github.com/AFLplusplus/AFLplusplus"
+keywords:
+  - fuzzing
+  - fuzzer
+  - fuzz-testing
+  - instrumentation
+  - afl-fuzz
+  - qemu
+  - llvm
+  - unicorn-emulator
+  - securiy
+license: AGPL-3.0-or-later

CONTRIBUTING.md

@@ -0,0 +1,59 @@
+# Contributing to AFL++
+
+## How to submit a pull request
+
+All contributions (pull requests) must be made against our `dev` branch.
+
+Each modified source file, before merging, must be formatted.
+
+```
+make code-format
+```
+
+This should be fine if you modified one of the files already present in the
+project, or added a file in a directory we already format, otherwise run:
+
+```
+./.custom-format.py -i file-that-you-have-created.c
+```
+
+Regarding the coding style, please follow the AFL style. No camel case at all
+and use AFL's macros wherever possible (e.g., WARNF, FATAL, MAP_SIZE, ...).
+
+Remember that AFL++ has to build and run on many platforms, so generalize your
+Makefiles/GNUmakefile (or your patches to our pre-existing Makefiles) to be as
+generic as possible.
+
+## How to contribute to the docs
+
+We welcome contributions to our docs.
+
+Before creating a new file, please check if your content matches an existing
+file in one the following folders:
+
+* [docs/](docs/) (this is where you can find most of our docs content)
+* [frida_mode/](frida_mode/)
+* [instrumentation/](instrumentation/)
+* [qemu_mode/](qemu_mode/)
+* [unicorn_mode/](unicorn_mode/)
+
+When working on the docs, please keep the following guidelines in mind:
+
+* Edit or create Markdown files and use Markdown markup.
+  * Do: fuzzing_gui_program.md
+  * Don't: fuzzing_gui_program.txt
+* Use underscore in file names.
+  * Do: fuzzing_network_service.md
+  * Don't: fuzzing-network-service.md
+* Use a maximum of 80 characters per line to make reading in a console easier.
+* Make all pull requests against `dev`, see
+  [#how-to-submit-a-pull-request-to-afl](#how-to-submit-a-pull-request-to-afl).
+
+And finally, here are some best practices for writing docs content:
+
+* Use clear and simple language.
+* Structure your content with headings and paragraphs.
+* Use bulleted lists to present similar content in a way that makes it easy to
+  scan.
+* Use numbered lists for procedures or prioritizing.
+* Link to related content, for example, prerequisites or in-depth discussions.

Changelog

@@ -1 +0,0 @@
-docs/ChangeLog

Changelog.md

@@ -0,0 +1 @@
+docs/Changelog.md

Dockerfile

@@ -0,0 +1,97 @@
+#
+# This Dockerfile for AFLplusplus uses Ubuntu 22.04 jammy and
+# installs LLVM 14 for afl-clang-lto support.
+#
+# GCC 11 is used instead of 12 because genhtml for afl-cov doesn't like it.
+#
+
+FROM ubuntu:22.04 AS aflplusplus
+LABEL "maintainer"="AFL++ team <afl@aflplus.plus>"
+LABEL "about"="AFLplusplus container image"
+
+### Comment out to enable these features
+# Only available on specific ARM64 boards
+ENV NO_CORESIGHT=1
+# Possible but unlikely in a docker container
+ENV NO_NYX=1
+
+### Only change these if you know what you are doing:
+# Current recommended LLVM version is 16
+ENV LLVM_VERSION=16
+# GCC 12 is producing compile errors for some targets so we stay at GCC 11
+ENV GCC_VERSION=11
+
+### No changes beyond the point unless you know what you are doing :)
+
+ARG DEBIAN_FRONTEND=noninteractive
+
+ENV NO_ARCH_OPT=1
+ENV IS_DOCKER=1
+
+RUN apt-get update && apt-get full-upgrade -y && \
+    apt-get install -y --no-install-recommends wget ca-certificates apt-utils && \
+    rm -rf /var/lib/apt/lists/*
+
+RUN echo "deb [signed-by=/etc/apt/keyrings/llvm-snapshot.gpg.key] http://apt.llvm.org/jammy/ llvm-toolchain-jammy-${LLVM_VERSION} main" > /etc/apt/sources.list.d/llvm.list && \
+    wget -qO /etc/apt/keyrings/llvm-snapshot.gpg.key https://apt.llvm.org/llvm-snapshot.gpg.key
+
+RUN apt-get update && \
+    apt-get -y install --no-install-recommends \
+    make cmake automake meson ninja-build bison flex \
+    git xz-utils bzip2 wget jupp nano bash-completion less vim joe ssh psmisc \
+    python3 python3-dev python3-pip python-is-python3 \
+    libtool libtool-bin libglib2.0-dev \
+    apt-transport-https gnupg dialog \
+    gnuplot-nox libpixman-1-dev bc \
+    gcc-${GCC_VERSION} g++-${GCC_VERSION} gcc-${GCC_VERSION}-plugin-dev gdb lcov \
+    clang-${LLVM_VERSION} clang-tools-${LLVM_VERSION} libc++1-${LLVM_VERSION} \
+    libc++-${LLVM_VERSION}-dev libc++abi1-${LLVM_VERSION} libc++abi-${LLVM_VERSION}-dev \
+    libclang1-${LLVM_VERSION} libclang-${LLVM_VERSION}-dev \
+    libclang-common-${LLVM_VERSION}-dev libclang-rt-${LLVM_VERSION}-dev libclang-cpp${LLVM_VERSION} \
+    libclang-cpp${LLVM_VERSION}-dev liblld-${LLVM_VERSION} \
+    liblld-${LLVM_VERSION}-dev liblldb-${LLVM_VERSION} liblldb-${LLVM_VERSION}-dev \
+    libllvm${LLVM_VERSION} libomp-${LLVM_VERSION}-dev libomp5-${LLVM_VERSION} \
+    lld-${LLVM_VERSION} lldb-${LLVM_VERSION} llvm-${LLVM_VERSION} \
+    llvm-${LLVM_VERSION}-dev llvm-${LLVM_VERSION}-runtime llvm-${LLVM_VERSION}-tools \
+    $([ "$(dpkg --print-architecture)" = "amd64" ] && echo gcc-${GCC_VERSION}-multilib gcc-multilib) \
+    $([ "$(dpkg --print-architecture)" = "arm64" ] && echo libcapstone-dev) && \
+    rm -rf /var/lib/apt/lists/*
+    # gcc-multilib is only used for -m32 support on x86
+    # libcapstone-dev is used for coresight_mode on arm64
+
+RUN update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-${GCC_VERSION} 0 && \
+    update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-${GCC_VERSION} 0 && \
+    update-alternatives --install /usr/bin/clang clang /usr/bin/clang-${LLVM_VERSION} 0 && \
+    update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-${LLVM_VERSION} 0
+
+RUN wget -qO- https://sh.rustup.rs | CARGO_HOME=/etc/cargo sh -s -- -y -q --no-modify-path
+ENV PATH=$PATH:/etc/cargo/bin
+
+RUN apt clean -y
+
+ENV LLVM_CONFIG=llvm-config-${LLVM_VERSION}
+ENV AFL_SKIP_CPUFREQ=1
+ENV AFL_TRY_AFFINITY=1
+ENV AFL_I_DONT_CARE_ABOUT_MISSING_CRASHES=1
+
+RUN git clone --depth=1 https://github.com/vanhauser-thc/afl-cov && \
+    (cd afl-cov && make install) && rm -rf afl-cov
+
+WORKDIR /AFLplusplus
+COPY . .
+
+ARG CC=gcc-$GCC_VERSION
+ARG CXX=g++-$GCC_VERSION
+
+# Used in CI to prevent a 'make clean' which would remove the binaries to be tested
+ARG TEST_BUILD
+
+RUN sed -i.bak 's/^	-/	/g' GNUmakefile && \
+    make clean && make distrib && \
+    ([ "${TEST_BUILD}" ] || (make install)) && \
+    mv GNUmakefile.bak GNUmakefile
+
+RUN echo "set encoding=utf-8" > /root/.vimrc && \
+    echo ". /etc/bash_completion" >> ~/.bashrc && \
+    echo 'alias joe="joe --wordwrap --joe_state -nobackup"' >> ~/.bashrc && \
+    echo "export PS1='"'[AFL++ \h] \w \$ '"'" >> ~/.bashrc

GNUmakefile

@@ -0,0 +1,833 @@
+#
+# american fuzzy lop++ - makefile
+# -----------------------------
+#
+# Originally written by Michal Zalewski
+#
+# Copyright 2013, 2014, 2015, 2016, 2017 Google Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#   https://www.apache.org/licenses/LICENSE-2.0
+#
+
+# For Heiko:
+#TEST_MMAP=1
+# the hash character is treated differently in different make versions
+# so use a variable for '#'
+HASH=\#
+
+PREFIX     ?= /usr/local
+BIN_PATH    = $(PREFIX)/bin
+HELPER_PATH = $(PREFIX)/lib/afl
+DOC_PATH    = $(PREFIX)/share/doc/afl
+MISC_PATH   = $(PREFIX)/share/afl
+MAN_PATH    = $(PREFIX)/share/man/man8
+
+PROGNAME    = afl
+VERSION     = $(shell grep '^$(HASH)define VERSION ' ../config.h | cut -d '"' -f2)
+
+# PROGS intentionally omit afl-as, which gets installed elsewhere.
+
+PROGS       = afl-fuzz afl-showmap afl-tmin afl-gotcpu afl-analyze
+SH_PROGS    = afl-plot afl-cmin afl-cmin.bash afl-whatsup afl-addseeds afl-system-config afl-persistent-config afl-cc
+MANPAGES=$(foreach p, $(PROGS) $(SH_PROGS), $(p).8) afl-as.8
+ASAN_OPTIONS=detect_leaks=0
+
+SYS = $(shell uname -s)
+ARCH = $(shell uname -m)
+
+$(info [*] Compiling AFL++ for OS $(SYS) on ARCH $(ARCH))
+
+ifdef NO_SPLICING
+  override CFLAGS_OPT += -DNO_SPLICING
+endif
+
+ifdef NO_UTF
+  override CFLAGS_OPT += -DFANCY_BOXES_NO_UTF
+endif
+
+ifdef ASAN_BUILD
+  $(info Compiling ASAN version of binaries)
+  override CFLAGS += $(ASAN_CFLAGS)
+  LDFLAGS += $(ASAN_LDFLAGS)
+endif
+ifdef UBSAN_BUILD
+  $(info Compiling UBSAN version of binaries)
+  override CFLAGS += -fsanitize=undefined -fno-omit-frame-pointer
+  override LDFLAGS += -fsanitize=undefined
+endif
+ifdef MSAN_BUILD
+  $(info Compiling MSAN version of binaries)
+  CC := clang
+  override CFLAGS += -fsanitize=memory -fno-omit-frame-pointer
+  override LDFLAGS += -fsanitize=memory
+endif
+
+ifdef CODE_COVERAGE
+  override CFLAGS += -D__AFL_CODE_COVERAGE=1
+endif
+
+ifeq "$(findstring android, $(shell $(CC) --version 2>/dev/null))" ""
+ifeq "$(shell echo 'int main() {return 0; }' | $(CC) $(CFLAGS) -Werror -x c - -flto=full -o .test 2>/dev/null && echo 1 || echo 0 ; rm -f .test )" "1"
+	CFLAGS_FLTO ?= -flto=full
+else
+ ifeq "$(shell echo 'int main() {return 0; }' | $(CC) $(CFLAGS) -Werror -x c - -flto=thin -o .test 2>/dev/null && echo 1 || echo 0 ; rm -f .test )" "1"
+	CFLAGS_FLTO ?= -flto=thin
+ else
+  ifeq "$(shell echo 'int main() {return 0; }' | $(CC) $(CFLAGS) -Werror -x c - -flto -o .test 2>/dev/null && echo 1 || echo 0 ; rm -f .test )" "1"
+	CFLAGS_FLTO ?= -flto
+  endif
+ endif
+endif
+endif
+
+#ifeq "$(shell echo 'int main() {return 0; }' | $(CC) -fno-move-loop-invariants -fdisable-tree-cunrolli -x c - -o .test 2>/dev/null && echo 1 || echo 0 ; rm -f .test )" "1"
+#	SPECIAL_PERFORMANCE += -fno-move-loop-invariants -fdisable-tree-cunrolli
+#endif
+
+#ifeq "$(shell echo 'int main() {return 0; }' | $(CC) $(CFLAGS) -Werror -x c - -march=native -o .test 2>/dev/null && echo 1 || echo 0 ; rm -f .test )" "1"
+#  ifndef SOURCE_DATE_EPOCH
+#    HAVE_MARCHNATIVE = 1
+#    CFLAGS_OPT += -march=native
+#  endif
+#endif
+
+ifneq "$(SYS)" "Darwin"
+  #ifeq "$(HAVE_MARCHNATIVE)" "1"
+  #  SPECIAL_PERFORMANCE += -march=native
+  #endif
+ #ifndef DEBUG
+ #  CFLAGS_OPT += -D_FORTIFY_SOURCE=1
+ #endif
+else
+  # On some odd MacOS system configurations, the Xcode sdk path is not set correctly
+  SDK_LD = -L$(shell xcrun --show-sdk-path)/usr/lib
+  LDFLAGS += $(SDK_LD)
+endif
+
+COMPILER_TYPE=$(shell $(CC) --version|grep "Free Software Foundation")
+ifneq "$(COMPILER_TYPE)" ""
+  #$(info gcc is being used)
+  CFLAGS_OPT += -Wno-error=format-truncation -Wno-format-truncation
+endif
+
+ifeq "$(SYS)" "SunOS"
+  LDFLAGS = -lkstat -lrt -lsocket -lnsl
+endif
+
+ifdef STATIC
+  $(info Compiling static version of binaries, disabling python though)
+  # Disable python for static compilation to simplify things
+  PYTHON_OK = 0
+  PYFLAGS=
+  PYTHON_INCLUDE = /
+
+  CFLAGS_OPT += -static
+  LDFLAGS += -lm -lpthread -lz -lutil
+endif
+
+ifdef PROFILING
+  $(info Compiling with profiling information, for analysis: gprof ./afl-fuzz gmon.out > prof.txt)
+  override CFLAGS_OPT += -pg -DPROFILING=1
+  override LDFLAGS += -pg
+endif
+
+ifdef INTROSPECTION
+  $(info Compiling with introspection documentation)
+  override CFLAGS_OPT += -DINTROSPECTION=1
+endif
+
+ifneq "$(ARCH)" "x86_64"
+ ifneq "$(patsubst i%86,i386,$(ARCH))" "i386"
+  ifneq "$(ARCH)" "amd64"
+   ifneq "$(ARCH)" "i86pc"
+	AFL_NO_X86=1
+   endif
+  endif
+ endif
+endif
+
+ifdef DEBUG
+  $(info Compiling DEBUG version of binaries)
+  override CFLAGS += -ggdb3 -O0 -Wall -Wextra -Werror $(CFLAGS_OPT)
+else
+  CFLAGS ?= -O2 $(CFLAGS_OPT) # -funroll-loops is slower on modern compilers
+endif
+
+override CFLAGS += -g -Wno-pointer-sign -Wno-variadic-macros -Wall -Wextra -Wno-pointer-arith \
+			-fPIC -I include/ -DAFL_PATH=\"$(HELPER_PATH)\"  \
+			-DBIN_PATH=\"$(BIN_PATH)\" -DDOC_PATH=\"$(DOC_PATH)\"
+# -fstack-protector
+
+ifeq "$(SYS)" "FreeBSD"
+  override CFLAGS  += -I /usr/local/include/
+  override LDFLAGS += -L /usr/local/lib/
+endif
+
+ifeq "$(SYS)" "DragonFly"
+  override CFLAGS  += -I /usr/local/include/
+  override LDFLAGS += -L /usr/local/lib/
+endif
+
+ifeq "$(SYS)" "OpenBSD"
+  override CFLAGS  += -I /usr/local/include/ -mno-retpoline
+  override LDFLAGS += -Wl,-z,notext -L /usr/local/lib/
+endif
+
+ifeq "$(SYS)" "NetBSD"
+  override CFLAGS  += -I /usr/pkg/include/
+  override LDFLAGS += -L /usr/pkg/lib/
+endif
+
+ifeq "$(SYS)" "Haiku"
+  SHMAT_OK=0
+  override CFLAGS  += -DUSEMMAP=1 -Wno-error=format
+  override LDFLAGS += -Wno-deprecated-declarations -lgnu -lnetwork
+  #SPECIAL_PERFORMANCE += -DUSEMMAP=1
+endif
+
+AFL_FUZZ_FILES = $(wildcard src/afl-fuzz*.c)
+
+ifneq "$(shell command -v python3m 2>/dev/null)" ""
+  ifneq "$(shell command -v python3m-config 2>/dev/null)" ""
+    PYTHON_INCLUDE  := $(shell python3m-config --includes)
+    PYTHON_VERSION  := $(strip $(shell python3m --version 2>&1))
+    # Starting with python3.8, we need to pass the `embed` flag. Earlier versions didn't know this flag.
+    ifeq "$(shell python3m-config --embed --libs 2>/dev/null | grep -q lpython && echo 1 )" "1"
+      PYTHON_LIB      := $(shell python3m-config --libs --embed --ldflags)
+    else
+      PYTHON_LIB      := $(shell python3m-config --ldflags)
+    endif
+  endif
+endif
+
+ifeq "$(PYTHON_INCLUDE)" ""
+  ifneq "$(shell command -v python3 2>/dev/null)" ""
+    ifneq "$(shell command -v python3-config 2>/dev/null)" ""
+      PYTHON_INCLUDE  := $(shell python3-config --includes)
+      PYTHON_VERSION  := $(strip $(shell python3 --version 2>&1))
+      # Starting with python3.8, we need to pass the `embed` flag. Earlier versions didn't know this flag.
+      ifeq "$(shell python3-config --embed --libs 2>/dev/null | grep -q lpython && echo 1 )" "1"
+        PYTHON_LIB      := $(shell python3-config --libs --embed --ldflags)
+      else
+        PYTHON_LIB      := $(shell python3-config --ldflags)
+      endif
+    endif
+  endif
+endif
+
+ifeq "$(PYTHON_INCLUDE)" ""
+  ifneq "$(shell command -v python 2>/dev/null)" ""
+    ifneq "$(shell command -v python-config 2>/dev/null)" ""
+      PYTHON_INCLUDE  := $(shell python-config --includes)
+      PYTHON_LIB      := $(shell python-config --ldflags)
+      PYTHON_VERSION  := $(strip $(shell python --version 2>&1))
+    endif
+  endif
+endif
+
+# Old Ubuntu and others dont have python/python3-config so we hardcode 3.7
+ifeq "$(PYTHON_INCLUDE)" ""
+  ifneq "$(shell command -v python3.7 2>/dev/null)" ""
+    ifneq "$(shell command -v python3.7-config 2>/dev/null)" ""
+      PYTHON_INCLUDE  := $(shell python3.7-config --includes)
+      PYTHON_LIB      := $(shell python3.7-config --ldflags)
+      PYTHON_VERSION  := $(strip $(shell python3.7 --version 2>&1))
+    endif
+  endif
+endif
+
+# Old Ubuntu and others dont have python/python2-config so we hardcode 2.7
+ifeq "$(PYTHON_INCLUDE)" ""
+  ifneq "$(shell command -v python2.7 2>/dev/null)" ""
+    ifneq "$(shell command -v python2.7-config 2>/dev/null)" ""
+      PYTHON_INCLUDE  := $(shell python2.7-config --includes)
+      PYTHON_LIB      := $(shell python2.7-config --ldflags)
+      PYTHON_VERSION  := $(strip $(shell python2.7 --version 2>&1))
+    endif
+  endif
+endif
+
+ifdef SOURCE_DATE_EPOCH
+    BUILD_DATE ?= $(shell date -u -d "@$(SOURCE_DATE_EPOCH)" "+%Y-%m-%d" 2>/dev/null || date -u -r "$(SOURCE_DATE_EPOCH)" "+%Y-%m-%d" 2>/dev/null || date -u "+%Y-%m-%d")
+else
+    BUILD_DATE ?= $(shell date "+%Y-%m-%d")
+endif
+
+ifneq "$(filter Linux GNU%,$(SYS))" ""
+  override LDFLAGS += -ldl -lrt -lm
+endif
+
+ifneq "$(findstring FreeBSD, $(SYS))" ""
+  override CFLAGS  += -pthread
+  override LDFLAGS += -lpthread -lm
+endif
+
+ifneq "$(findstring NetBSD, $(SYS))" ""
+  override CFLAGS  += -pthread
+  override LDFLAGS += -lpthread -lm
+endif
+
+ifneq "$(findstring OpenBSD, $(SYS))" ""
+  override CFLAGS  += -pthread
+  override LDFLAGS += -lpthread -lm
+endif
+
+COMM_HDR    = include/alloc-inl.h include/config.h include/debug.h include/types.h
+
+ifeq "$(shell echo '$(HASH)include <Python.h>@int main() {return 0; }' | tr @ '\n' | $(CC) $(CFLAGS) -x c - -o .test $(PYTHON_INCLUDE) $(LDFLAGS) $(PYTHON_LIB) 2>/dev/null && echo 1 || echo 0 ; rm -f .test )" "1"
+	PYTHON_OK=1
+	PYFLAGS=-DUSE_PYTHON $(PYTHON_INCLUDE) $(LDFLAGS) $(PYTHON_LIB) -DPYTHON_VERSION="\"$(PYTHON_VERSION)\""
+else
+	PYTHON_OK=0
+	PYFLAGS=
+endif
+
+ifdef NO_PYTHON
+	PYTHON_OK=0
+	PYFLAGS=
+endif
+
+IN_REPO=0
+ifeq "$(shell command -v git >/dev/null && git status >/dev/null 2>&1 && echo 1 || echo 0)" "1"
+  IN_REPO=1
+endif
+ifeq "$(shell command -v svn >/dev/null && svn proplist . 2>/dev/null && echo 1 || echo 0)" "1"
+  IN_REPO=1
+endif
+
+ifeq "$(shell echo 'int main() { return 0;}' | $(CC) $(CFLAGS) -fsanitize=address -x c - -o .test2 2>/dev/null && echo 1 || echo 0 ; rm -f .test2 )" "1"
+	ASAN_CFLAGS=-fsanitize=address -fstack-protector-all -fno-omit-frame-pointer -DASAN_BUILD
+	ASAN_LDFLAGS=-fsanitize=address -fstack-protector-all -fno-omit-frame-pointer
+endif
+
+ifeq "$(shell echo '$(HASH)include <sys/ipc.h>@$(HASH)include <sys/shm.h>@int main() { int _id = shmget(IPC_PRIVATE, 65536, IPC_CREAT | IPC_EXCL | 0600); shmctl(_id, IPC_RMID, 0); return 0;}' | tr @ '\n' | $(CC) $(CFLAGS) -x c - -o .test2 2>/dev/null && echo 1 || echo 0 ; rm -f .test2 )" "1"
+	SHMAT_OK=1
+else
+	SHMAT_OK=0
+	override CFLAGS+=-DUSEMMAP=1
+	LDFLAGS += -Wno-deprecated-declarations
+endif
+
+ifdef TEST_MMAP
+	SHMAT_OK=0
+	override CFLAGS += -DUSEMMAP=1
+	LDFLAGS += -Wno-deprecated-declarations
+endif
+
+.PHONY: all
+all:	test_x86 test_shm test_python ready $(PROGS) afl-as llvm gcc_plugin test_build all_done
+	-$(MAKE) -C utils/aflpp_driver
+	@echo
+	@echo
+	@echo Build Summary:
+	@test -e afl-fuzz && echo "[+] afl-fuzz and supporting tools successfully built" || echo "[-] afl-fuzz could not be built, please set CC to a working compiler"
+	@test -e afl-llvm-pass.so && echo "[+] LLVM basic mode successfully built" || echo "[-] LLVM mode could not be built, please install at least llvm-11 and clang-11 or newer, see docs/INSTALL.md"
+	@test -e SanitizerCoveragePCGUARD.so && echo "[+] LLVM mode successfully built" || echo "[-] LLVM mode could not be built, please install at least llvm-13 and clang-13 or newer, see docs/INSTALL.md"
+	@test -e SanitizerCoverageLTO.so && echo "[+] LLVM LTO mode successfully built" || echo "[-] LLVM LTO mode could not be built, it is optional, if you want it, please install LLVM and LLD 11+. More information at instrumentation/README.lto.md on how to build it"
+ifneq "$(SYS)" "Darwin"
+	@test -e afl-gcc-pass.so && echo "[+] gcc_mode successfully built" || echo "[-] gcc_mode could not be built, it is optional, install gcc-VERSION-plugin-dev to enable this"
+endif
+	@echo
+
+.PHONY: llvm
+llvm:
+	-$(MAKE) -j$(nproc) -f GNUmakefile.llvm
+	@test -e afl-cc || { echo "[-] Compiling afl-cc failed. You seem not to have a working compiler." ; exit 1; }
+
+.PHONY: gcc_plugin
+gcc_plugin:
+ifneq "$(SYS)" "Darwin"
+	-$(MAKE) -f GNUmakefile.gcc_plugin
+endif
+
+.PHONY: man
+man:    $(MANPAGES)
+
+.PHONY: test
+test:	tests
+
+.PHONY: tests
+tests:	source-only
+	@cd test ; ./test-all.sh
+	@rm -f test/errors
+
+.PHONY: performance-tests
+performance-tests:	performance-test
+.PHONY: test-performance
+test-performance:	performance-test
+
+.PHONY: performance-test
+performance-test:	source-only
+	@cd test ; ./test-performance.sh
+
+
+# hint: make targets are also listed in the top level README.md
+.PHONY: help
+help:
+	@echo "HELP --- the following make targets exist:"
+	@echo "=========================================="
+	@echo "all: the main AFL++ binaries and llvm/gcc instrumentation"
+	@echo "binary-only: everything for binary-only fuzzing: frida_mode, nyx_mode, qemu_mode, frida_mode, unicorn_mode, coresight_mode, libdislocator, libtokencap"
+	@echo "source-only: everything for source code fuzzing: nyx_mode, libdislocator, libtokencap"
+	@echo "distrib: everything (for both binary-only and source code fuzzing)"
+	@echo "man: creates simple man pages from the help option of the programs"
+	@echo "install: installs everything you have compiled with the build option above"
+	@echo "clean: cleans everything compiled (not downloads when on a checkout)"
+	@echo "deepclean: cleans everything including downloads"
+	@echo "uninstall: uninstall AFL++ from the system"
+	@echo "code-format: format the code, do this before you commit and send a PR please!"
+	@echo "tests: this runs the test framework. It is more catered for the developers, but if you run into problems this helps pinpointing the problem"
+	@echo "unit: perform unit tests (based on cmocka and GNU linker)"
+	@echo "document: creates afl-fuzz-document which will only do one run and save all manipulated inputs into out/queue/mutations"
+	@echo "help: shows these build options :-)"
+	@echo "=========================================="
+	@echo "Recommended: \"distrib\" or \"source-only\", then \"install\""
+	@echo
+	@echo Known build environment options:
+	@echo "=========================================="
+	@echo STATIC - compile AFL++ static
+	@echo "CODE_COVERAGE - compile the target for code coverage (see docs/instrumentation/README.llvm.md)"
+	@echo ASAN_BUILD - compiles AFL++ with memory sanitizer for debug purposes
+	@echo UBSAN_BUILD - compiles AFL++ tools with undefined behaviour sanitizer for debug purposes
+	@echo DEBUG - no optimization, -ggdb3, all warnings and -Werror
+	@echo LLVM_DEBUG - shows llvm deprecation warnings
+	@echo PROFILING - compile afl-fuzz with profiling information
+	@echo INTROSPECTION - compile afl-fuzz with mutation introspection
+	@echo NO_PYTHON - disable python support
+	@echo NO_SPLICING - disables splicing mutation in afl-fuzz, not recommended for normal fuzzing
+	@echo "NO_UTF - do not use UTF-8 for line rendering in status screen (fallback to G1 box drawing, of vanilla AFL)"
+	@echo NO_NYX - disable building nyx mode dependencies
+	@echo "NO_CORESIGHT - disable building coresight (arm64 only)"
+	@echo NO_UNICORN_ARM64 - disable building unicorn on arm64
+	@echo "WAFL_MODE - enable for WASM fuzzing with https://github.com/fgsect/WAFL"
+	@echo AFL_NO_X86 - if compiling on non-intel/amd platforms
+	@echo "LLVM_CONFIG - if your distro doesn't use the standard name for llvm-config (e.g., Debian)"
+	@echo "=========================================="
+	@echo e.g.: make LLVM_CONFIG=llvm-config-16
+
+.PHONY: test_x86
+ifndef AFL_NO_X86
+test_x86:
+	@echo "[*] Checking for the default compiler cc..."
+	@type $(CC) >/dev/null || ( echo; echo "Oops, looks like there is no compiler '"$(CC)"' in your path."; echo; echo "Don't panic! You can restart with '"$(_)" CC=<yourCcompiler>'."; echo; exit 1 )
+	@echo "[*] Testing the PATH environment variable..."
+	@test "$${PATH}" != "$${PATH#.:}" && { echo "Please remove current directory '.' from PATH to avoid recursion of 'as', thanks!"; echo; exit 1; } || :
+	@echo "[*] Checking for the ability to compile x86 code..."
+	@echo 'int main() { __asm__("xorb %al, %al"); }' | $(CC) $(CFLAGS) $(LDFLAGS) -w -x c - -o .test1 || ( echo; echo "Oops, looks like your compiler can't generate x86 code."; echo; echo "Don't panic! You can use the LLVM or QEMU mode, but see docs/INSTALL first."; echo "(To ignore this error, set AFL_NO_X86=1 and try again.)"; echo; exit 1 )
+	@rm -f .test1
+else
+test_x86:
+	@echo "[!] Note: skipping x86 compilation checks (AFL_NO_X86 set)."
+endif
+
+.PHONY: test_shm
+ifeq "$(SHMAT_OK)" "1"
+test_shm:
+	@echo "[+] shmat seems to be working."
+	@rm -f .test2
+else
+test_shm:
+	@echo "[-] shmat seems not to be working, switching to mmap implementation"
+endif
+
+.PHONY: test_python
+ifeq "$(PYTHON_OK)" "1"
+test_python:
+	@rm -f .test 2> /dev/null
+	@echo "[+] $(PYTHON_VERSION) support seems to be working."
+else
+test_python:
+	@echo "[-] You seem to need to install the package python3-dev or python-dev (and perhaps python[3]-apt), but it is optional so we continue"
+endif
+
+.PHONY: ready
+ready:
+	@echo "[+] Everything seems to be working, ready to compile. ($(shell $(CC) --version 2>&1|head -n 1))"
+
+afl-as: src/afl-as.c include/afl-as.h $(COMM_HDR) | test_x86
+	$(CC) $(CFLAGS) src/$@.c -o $@ $(LDFLAGS)
+	@ln -sf afl-as as
+
+src/afl-performance.o : $(COMM_HDR) src/afl-performance.c include/hash.h
+	$(CC) $(CFLAGS) $(CFLAGS_OPT) -Iinclude -c src/afl-performance.c -o src/afl-performance.o
+
+src/afl-common.o : $(COMM_HDR) src/afl-common.c include/common.h
+	$(CC) $(CFLAGS) $(CFLAGS_FLTO) -c src/afl-common.c -o src/afl-common.o
+
+src/afl-forkserver.o : $(COMM_HDR) src/afl-forkserver.c include/forkserver.h
+	$(CC) $(CFLAGS) $(CFLAGS_FLTO) -c src/afl-forkserver.c -o src/afl-forkserver.o
+
+src/afl-sharedmem.o : $(COMM_HDR) src/afl-sharedmem.c include/sharedmem.h
+	$(CC) $(CFLAGS) $(CFLAGS_FLTO) -c src/afl-sharedmem.c -o src/afl-sharedmem.o
+
+afl-fuzz: $(COMM_HDR) include/afl-fuzz.h $(AFL_FUZZ_FILES) src/afl-common.o src/afl-sharedmem.o src/afl-forkserver.o src/afl-performance.o | test_x86
+	$(CC) $(CFLAGS) $(COMPILE_STATIC) $(CFLAGS_FLTO) $(AFL_FUZZ_FILES) src/afl-common.o src/afl-sharedmem.o src/afl-forkserver.o src/afl-performance.o -o $@ $(PYFLAGS) $(LDFLAGS) -lm
+
+afl-showmap: src/afl-showmap.c src/afl-common.o src/afl-sharedmem.o src/afl-forkserver.o src/afl-performance.o $(COMM_HDR) | test_x86
+	$(CC) $(CFLAGS) $(COMPILE_STATIC) $(CFLAGS_FLTO) src/$@.c src/afl-fuzz-mutators.c src/afl-fuzz-python.c src/afl-common.o src/afl-sharedmem.o src/afl-forkserver.o src/afl-performance.o -o $@ $(PYFLAGS) $(LDFLAGS)
+
+afl-tmin: src/afl-tmin.c src/afl-common.o src/afl-sharedmem.o src/afl-forkserver.o src/afl-performance.o $(COMM_HDR) | test_x86
+	$(CC) $(CFLAGS) $(COMPILE_STATIC) $(CFLAGS_FLTO) src/$@.c src/afl-common.o src/afl-sharedmem.o src/afl-forkserver.o src/afl-performance.o -o $@ $(LDFLAGS)
+
+afl-analyze: src/afl-analyze.c src/afl-common.o src/afl-sharedmem.o src/afl-performance.o src/afl-forkserver.o $(COMM_HDR) | test_x86
+	$(CC) $(CFLAGS) $(COMPILE_STATIC) $(CFLAGS_FLTO) src/$@.c src/afl-common.o src/afl-sharedmem.o src/afl-performance.o src/afl-forkserver.o -o $@ $(LDFLAGS)
+
+afl-gotcpu: src/afl-gotcpu.c src/afl-common.o $(COMM_HDR) | test_x86
+	$(CC) $(CFLAGS) $(COMPILE_STATIC) $(CFLAGS_FLTO) src/$@.c src/afl-common.o -o $@ $(LDFLAGS)
+
+.PHONY: document
+document:	afl-fuzz-document
+
+# document all mutations and only do one run (use with only one input file!)
+afl-fuzz-document: $(COMM_HDR) include/afl-fuzz.h $(AFL_FUZZ_FILES) src/afl-common.o src/afl-sharedmem.o src/afl-performance.o | test_x86
+	$(CC) -D_DEBUG=\"1\" -D_AFL_DOCUMENT_MUTATIONS $(CFLAGS) $(CFLAGS_FLTO) $(AFL_FUZZ_FILES) src/afl-common.o src/afl-sharedmem.o src/afl-forkserver.c src/afl-performance.o -o afl-fuzz-document $(PYFLAGS) $(LDFLAGS)
+
+test/unittests/unit_maybe_alloc.o : $(COMM_HDR) include/alloc-inl.h test/unittests/unit_maybe_alloc.c $(AFL_FUZZ_FILES)
+	@$(CC) $(CFLAGS) $(ASAN_CFLAGS) -c test/unittests/unit_maybe_alloc.c -o test/unittests/unit_maybe_alloc.o
+
+unit_maybe_alloc: test/unittests/unit_maybe_alloc.o
+	@$(CC) $(CFLAGS) -Wl,--wrap=exit -Wl,--wrap=printf test/unittests/unit_maybe_alloc.o -o test/unittests/unit_maybe_alloc $(LDFLAGS) $(ASAN_LDFLAGS) -lcmocka
+	./test/unittests/unit_maybe_alloc
+
+test/unittests/unit_hash.o : $(COMM_HDR) include/alloc-inl.h test/unittests/unit_hash.c $(AFL_FUZZ_FILES) src/afl-performance.o
+	@$(CC) $(CFLAGS) $(ASAN_CFLAGS) -c test/unittests/unit_hash.c -o test/unittests/unit_hash.o
+
+unit_hash: test/unittests/unit_hash.o src/afl-performance.o
+	@$(CC) $(CFLAGS) -Wl,--wrap=exit -Wl,--wrap=printf $^ -o test/unittests/unit_hash $(LDFLAGS) $(ASAN_LDFLAGS) -lcmocka
+	./test/unittests/unit_hash
+
+test/unittests/unit_rand.o : $(COMM_HDR) include/alloc-inl.h test/unittests/unit_rand.c $(AFL_FUZZ_FILES) src/afl-performance.o
+	@$(CC) $(CFLAGS) $(ASAN_CFLAGS) -c test/unittests/unit_rand.c -o test/unittests/unit_rand.o
+
+unit_rand: test/unittests/unit_rand.o src/afl-common.o src/afl-performance.o
+	@$(CC) $(CFLAGS) $(ASAN_CFLAGS) -Wl,--wrap=exit -Wl,--wrap=printf $^ -o test/unittests/unit_rand  $(LDFLAGS) $(ASAN_LDFLAGS) -lcmocka
+	./test/unittests/unit_rand
+
+test/unittests/unit_list.o : $(COMM_HDR) include/list.h test/unittests/unit_list.c $(AFL_FUZZ_FILES)
+	@$(CC) $(CFLAGS) $(ASAN_CFLAGS) -c test/unittests/unit_list.c -o test/unittests/unit_list.o
+
+unit_list: test/unittests/unit_list.o
+	@$(CC) $(CFLAGS) $(ASAN_CFLAGS) -Wl,--wrap=exit -Wl,--wrap=printf test/unittests/unit_list.o -o test/unittests/unit_list  $(LDFLAGS) $(ASAN_LDFLAGS) -lcmocka
+	./test/unittests/unit_list
+
+test/unittests/unit_preallocable.o : $(COMM_HDR) include/alloc-inl.h test/unittests/unit_preallocable.c $(AFL_FUZZ_FILES)
+	@$(CC) $(CFLAGS) $(ASAN_CFLAGS) -c test/unittests/unit_preallocable.c -o test/unittests/unit_preallocable.o
+
+unit_preallocable: test/unittests/unit_preallocable.o
+	@$(CC) $(CFLAGS) $(ASAN_CFLAGS) -Wl,--wrap=exit -Wl,--wrap=printf test/unittests/unit_preallocable.o -o test/unittests/unit_preallocable $(LDFLAGS) $(ASAN_LDFLAGS) -lcmocka
+	./test/unittests/unit_preallocable
+
+.PHONY: unit_clean
+unit_clean:
+	@rm -f ./test/unittests/unit_preallocable ./test/unittests/unit_list ./test/unittests/unit_maybe_alloc test/unittests/*.o
+
+.PHONY: unit
+ifneq "$(SYS)" "Darwin"
+unit:	unit_maybe_alloc unit_preallocable unit_list unit_clean unit_rand unit_hash
+else
+unit:
+	@echo [-] unit tests are skipped on Darwin \(lacks GNU linker feature --wrap\)
+endif
+
+.PHONY: code-format
+code-format:
+	./.custom-format.py -i src/*.c
+	./.custom-format.py -i include/*.h
+	./.custom-format.py -i instrumentation/*.h
+	./.custom-format.py -i instrumentation/*.cc
+	./.custom-format.py -i instrumentation/*.c
+	./.custom-format.py -i *.h
+	./.custom-format.py -i *.c
+	@#./.custom-format.py -i custom_mutators/*/*.c* # destroys libfuzzer :-(
+	@#./.custom-format.py -i custom_mutators/*/*.h # destroys honggfuzz :-(
+	./.custom-format.py -i utils/*/*.c*
+	./.custom-format.py -i utils/*/*.h
+	./.custom-format.py -i test/*.c
+	./.custom-format.py -i frida_mode/src/*.c
+	./.custom-format.py -i frida_mode/include/*.h
+	-./.custom-format.py -i frida_mode/src/*/*.c
+	./.custom-format.py -i qemu_mode/libcompcov/*.c
+	./.custom-format.py -i qemu_mode/libcompcov/*.cc
+	./.custom-format.py -i qemu_mode/libcompcov/*.h
+	./.custom-format.py -i qemu_mode/libqasan/*.c
+	./.custom-format.py -i qemu_mode/libqasan/*.h
+
+
+.PHONY: test_build
+ifndef AFL_NO_X86
+test_build: afl-cc afl-gcc afl-as afl-showmap
+	@echo "[*] Testing the CC wrapper afl-cc and its instrumentation output..."
+	@unset AFL_MAP_SIZE AFL_USE_UBSAN AFL_USE_CFISAN AFL_USE_LSAN AFL_USE_ASAN AFL_USE_MSAN; ASAN_OPTIONS=detect_leaks=0 AFL_INST_RATIO=100 AFL_PATH=. ./afl-cc test-instr.c $(LDFLAGS) -o test-instr 2>&1 || (echo "Oops, afl-cc failed"; exit 1 )
+	-ASAN_OPTIONS=detect_leaks=0 ./afl-showmap -q -m none -o .test-instr0 ./test-instr < /dev/null
+	-echo 1 | ASAN_OPTIONS=detect_leaks=0 ./afl-showmap -m none -q -o .test-instr1 ./test-instr
+	@rm -f test-instr
+	@cmp -s .test-instr0 .test-instr1; DR="$$?"; rm -f .test-instr0 .test-instr1; if [ "$$DR" = "0" ]; then echo; echo "Oops, the instrumentation of afl-cc does not seem to be behaving correctly!"; echo; echo "Please post to https://github.com/AFLplusplus/AFLplusplus/issues to troubleshoot the issue."; echo; exit 1; fi
+	@echo
+	@echo "[+] All right, the instrumentation of afl-cc seems to be working!"
+#	@echo "[*] Testing the CC wrapper afl-gcc and its instrumentation output..."
+#	@unset AFL_MAP_SIZE AFL_USE_UBSAN AFL_USE_CFISAN AFL_USE_LSAN AFL_USE_ASAN AFL_USE_MSAN; AFL_CC=$(CC) ASAN_OPTIONS=detect_leaks=0 AFL_INST_RATIO=100 AFL_PATH=. ./afl-gcc test-instr.c -o test-instr 2>&1 || (echo "Oops, afl-gcc failed"; exit 1 )
+#	ASAN_OPTIONS=detect_leaks=0 ./afl-showmap -m none -q -o .test-instr0 ./test-instr < /dev/null
+#	echo 1 | ASAN_OPTIONS=detect_leaks=0 ./afl-showmap -m none -q -o .test-instr1 ./test-instr
+#	@rm -f test-instr
+#	@cmp -s .test-instr0 .test-instr1; DR="$$?"; rm -f .test-instr0 .test-instr1; if [ "$$DR" = "0" ]; then echo; echo "Oops, the instrumentation of afl-gcc does not seem to be behaving correctly!"; \
+#		gcc -v 2>&1 | grep -q -- --with-as= && ( echo; echo "Gcc is configured not to use an external assembler with the -B option." ) || \
+#		( echo; echo "Please post to https://github.com/AFLplusplus/AFLplusplus/issues to troubleshoot the issue." ); echo; exit 0; fi
+#	@echo
+#	@echo "[+] All right, the instrumentation of afl-gcc seems to be working!"
+else
+test_build: afl-cc afl-as afl-showmap
+	@echo "[!] Note: skipping build tests (you may need to use LLVM or QEMU mode)."
+endif
+
+.PHONY: all_done
+all_done: test_build
+	@test -e afl-cc && echo "[+] Main compiler 'afl-cc' successfully built!" || { echo "[-] Main compiler 'afl-cc' failed to build, set up a working build environment first!" ; exit 1 ; }
+	@test -e cmplog-instructions-pass.so && echo "[+] LLVM mode for 'afl-cc' successfully built!" || echo "[-] LLVM mode for 'afl-cc'  failed to build, likely you either don't have llvm installed, or you need to set LLVM_CONFIG, to point to e.g. llvm-config-11. See instrumentation/README.llvm.md how to do this. Highly recommended!"
+	@test -e SanitizerCoverageLTO.so && echo "[+] LLVM LTO mode for 'afl-cc' successfully built!" || echo "[-] LLVM LTO mode for 'afl-cc'  failed to build, this would need LLVM 11+, see instrumentation/README.lto.md how to build it"
+	@test -e afl-gcc-pass.so && echo "[+] gcc_plugin for 'afl-cc' successfully built!" || echo "[-] gcc_plugin for 'afl-cc'  failed to build, unless you really need it that is fine - or read instrumentation/README.gcc_plugin.md how to build it"
+	@echo "[+] All done! Be sure to review the README.md - it's pretty short and useful."
+	@if [ "$(SYS)" = "Darwin" ]; then printf "\nWARNING: Fuzzing on MacOS X is slow because of the unusually high overhead of\nfork() on this OS. Consider using Linux or *BSD for fuzzing software not\nspecifically for MacOS.\n\n"; fi
+	@! tty <&1 >/dev/null || printf "\033[0;30mNOTE: If you can read this, your terminal probably uses white background.\nThis will make the UI hard to read. See docs/status_screen.md for advice.\033[0m\n" 2>/dev/null
+
+.NOTPARALLEL: clean all
+
+.PHONY: clean
+clean:
+	rm -rf $(PROGS) afl-fuzz-document afl-as as afl-g++ afl-clang afl-clang++ *.o src/*.o *~ a.out core core.[1-9][0-9]* *.stackdump .test .test1 .test2 test-instr .test-instr0 .test-instr1 afl-cs-proxy afl-qemu-trace afl-gcc-fast afl-g++-fast ld *.so *.8 test/unittests/*.o test/unittests/unit_maybe_alloc test/unittests/preallocable .afl-* afl-gcc afl-g++ afl-clang afl-clang++ test/unittests/unit_hash test/unittests/unit_rand *.dSYM lib*.a
+	-$(MAKE) -f GNUmakefile.llvm clean
+	-$(MAKE) -f GNUmakefile.gcc_plugin clean
+	-$(MAKE) -C utils/libdislocator clean
+	-$(MAKE) -C utils/libtokencap clean
+	-$(MAKE) -C utils/aflpp_driver clean
+	-$(MAKE) -C utils/afl_network_proxy clean
+	-$(MAKE) -C utils/socket_fuzzing clean
+	-$(MAKE) -C utils/argv_fuzzing clean
+	-$(MAKE) -C utils/plot_ui clean
+	-$(MAKE) -C qemu_mode/unsigaction clean
+	-$(MAKE) -C qemu_mode/fastexit clean
+	-$(MAKE) -C qemu_mode/libcompcov clean
+	-$(MAKE) -C qemu_mode/libqasan clean
+	-$(MAKE) -C frida_mode clean
+	rm -rf nyx_mode/packer/linux_initramfs/init.cpio.gz nyx_mode/libnyx/libnyx/target/release/* nyx_mode/QEMU-Nyx/x86_64-softmmu/qemu-system-x86_64
+ifeq "$(IN_REPO)" "1"
+	-test -e coresight_mode/coresight-trace/Makefile && $(MAKE) -C coresight_mode/coresight-trace clean || true
+	-test -e qemu_mode/qemuafl/Makefile && $(MAKE) -C qemu_mode/qemuafl clean || true
+	-test -e unicorn_mode/unicornafl/Makefile && $(MAKE) -C unicorn_mode/unicornafl clean || true
+	-test -e nyx_mode/QEMU-Nyx/Makefile && $(MAKE) -C nyx_mode/QEMU-Nyx clean || true
+else
+	rm -rf coresight_mode/coresight_trace
+	rm -rf qemu_mode/qemuafl
+	rm -rf unicorn_mode/unicornafl
+endif
+
+.PHONY: deepclean
+deepclean:	clean
+	rm -rf coresight_mode/coresight-trace
+	rm -rf unicorn_mode/unicornafl
+	rm -rf qemu_mode/qemuafl
+	rm -rf nyx_mode/libnyx nyx_mode/packer nyx_mode/QEMU-Nyx
+ifeq "$(IN_REPO)" "1"
+	git checkout coresight_mode/coresight-trace
+	git checkout unicorn_mode/unicornafl
+	git checkout qemu_mode/qemuafl
+	git checkout nyx_mode/libnyx
+	git checkout nyx_mode/packer
+	git checkout nyx_mode/QEMU-Nyx
+endif
+
+.PHONY: distrib
+distrib: all
+	-$(MAKE) -j$(nproc) -f GNUmakefile.llvm
+ifneq "$(SYS)" "Darwin"
+	-$(MAKE) -f GNUmakefile.gcc_plugin
+	-$(MAKE) -C utils/libdislocator
+	-$(MAKE) -C utils/libtokencap
+endif
+	-$(MAKE) -C utils/afl_network_proxy
+	-$(MAKE) -C utils/socket_fuzzing
+	-$(MAKE) -C utils/argv_fuzzing
+	# -$(MAKE) -C utils/plot_ui
+	-$(MAKE) -C frida_mode
+ifneq "$(SYS)" "Darwin"
+ifeq "$(ARCH)" "aarch64"
+  ifndef NO_CORESIGHT
+	-$(MAKE) -C coresight_mode
+  endif
+endif
+ifeq "$(SYS)" "Linux"
+ifndef NO_NYX
+	-cd nyx_mode && ./build_nyx_support.sh
+endif
+endif
+	-cd qemu_mode && sh ./build_qemu_support.sh
+  ifeq "$(ARCH)" "aarch64"
+    ifndef NO_UNICORN_ARM64
+	-cd unicorn_mode && unset CFLAGS && sh ./build_unicorn_support.sh
+    endif
+  else
+	-cd unicorn_mode && unset CFLAGS && sh ./build_unicorn_support.sh
+  endif
+endif
+
+.PHONY: binary-only
+binary-only: test_shm test_python ready $(PROGS)
+ifneq "$(SYS)" "Darwin"
+	-$(MAKE) -C utils/libdislocator
+	-$(MAKE) -C utils/libtokencap
+endif
+	-$(MAKE) -C utils/afl_network_proxy
+	-$(MAKE) -C utils/socket_fuzzing
+	-$(MAKE) -C utils/argv_fuzzing
+	# -$(MAKE) -C utils/plot_ui
+	-$(MAKE) -C frida_mode
+ifneq "$(SYS)" "Darwin"
+ifeq "$(ARCH)" "aarch64"
+  ifndef NO_CORESIGHT
+	-$(MAKE) -C coresight_mode
+  endif
+endif
+ifeq "$(SYS)" "Linux"
+ifndef NO_NYX
+	-cd nyx_mode && ./build_nyx_support.sh
+endif
+endif
+	-cd qemu_mode && sh ./build_qemu_support.sh
+  ifeq "$(ARCH)" "aarch64"
+    ifndef NO_UNICORN_ARM64
+	-cd unicorn_mode && unset CFLAGS && sh ./build_unicorn_support.sh
+    endif
+  else
+	-cd unicorn_mode && unset CFLAGS && sh ./build_unicorn_support.sh
+  endif
+endif
+	@echo
+	@echo
+	@echo Build Summary:
+	@test -e afl-fuzz && echo "[+] afl-fuzz and supporting tools successfully built" || echo "[-] afl-fuzz could not be built, please set CC to a working compiler"
+ifneq "$(SYS)" "Darwin"
+ifeq "$(ARCH)" "aarch64"
+  ifndef NO_CORESIGHT
+	@test -e afl-cs-proxy && echo "[+] coresight_mode successfully built" || echo "[-] coresight_mode could not be built, it is optional and experimental, see coresight_mode/README.md for what is needed"
+  endif
+endif
+ifeq "$(SYS)" "Linux"
+ifndef NO_NYX
+	@test -e libnyx.so && echo "[+] nyx_mode successfully built" || echo "[-] nyx_mode could not be built, it is optional, see nyx_mode/README.md for what is needed"
+endif
+endif
+	@test -e afl-qemu-trace && echo "[+] qemu_mode successfully built" || echo "[-] qemu_mode could not be built, see docs/INSTALL.md for what is needed"
+  ifeq "$(ARCH)" "aarch64"
+    ifndef NO_UNICORN_ARM64
+	@test -e unicorn_mode/unicornafl/build_python/libunicornafl.so && echo "[+] unicorn_mode successfully built" || echo "[-] unicorn_mode could not be built, it is optional, see unicorn_mode/README.md for what is needed"
+    endif
+  else
+	@test -e unicorn_mode/unicornafl/build_python/libunicornafl.so && echo "[+] unicorn_mode successfully built" || echo "[-] unicorn_mode could not be built, it is optional, see unicorn_mode/README.md for what is needed"
+  endif
+endif
+	@echo
+
+.PHONY: source-only
+source-only: all
+	-$(MAKE) -j$(nproc) -f GNUmakefile.llvm
+ifneq "$(SYS)" "Darwin"
+	-$(MAKE) -f GNUmakefile.gcc_plugin
+	-$(MAKE) -C utils/libdislocator
+	-$(MAKE) -C utils/libtokencap
+endif
+	# -$(MAKE) -C utils/plot_ui
+ifeq "$(SYS)" "Linux"
+ifndef NO_NYX
+	-cd nyx_mode && ./build_nyx_support.sh
+endif
+endif
+	@echo
+	@echo
+	@echo Build Summary:
+	@test -e afl-fuzz && echo "[+] afl-fuzz and supporting tools successfully built" || echo "[-] afl-fuzz could not be built, please set CC to a working compiler"
+	@test -e afl-llvm-pass.so && echo "[+] LLVM basic mode successfully built" || echo "[-] LLVM mode could not be built, please install at least llvm-11 and clang-11 or newer, see docs/INSTALL.md"
+	@test -e SanitizerCoveragePCGUARD.so && echo "[+] LLVM mode successfully built" || echo "[-] LLVM mode could not be built, please install at least llvm-13 and clang-13 or newer, see docs/INSTALL.md"
+	@test -e SanitizerCoverageLTO.so && echo "[+] LLVM LTO mode successfully built" || echo "[-] LLVM LTO mode could not be built, it is optional, if you want it, please install LLVM 11-14. More information at instrumentation/README.lto.md on how to build it"
+ifneq "$(SYS)" "Darwin"
+	test -e afl-gcc-pass.so && echo "[+] gcc_mode successfully built" || echo "[-] gcc_mode could not be built, it is optional, install gcc-VERSION-plugin-dev to enable this"
+endif
+ifeq "$(SYS)" "Linux"
+ifndef NO_NYX
+	@test -e libnyx.so && echo "[+] nyx_mode successfully built" || echo "[-] nyx_mode could not be built, it is optional, see nyx_mode/README.md for what is needed"
+endif
+endif
+	@echo
+
+%.8:	%
+	@echo .TH $* 8 $(BUILD_DATE) "AFL++" > $@
+	@echo .SH NAME >> $@
+	@echo .B $* >> $@
+	@echo >> $@
+	@echo .SH SYNOPSIS >> $@
+	@./$* -h 2>&1 | head -n 3 | tail -n 1 | sed 's/^\.\///' >> $@
+	@echo >> $@
+	@echo .SH OPTIONS >> $@
+	@echo .nf >> $@
+	@./$* -hh 2>&1 | tail -n +4 >> $@
+	@echo >> $@
+	@echo .SH AUTHOR >> $@
+	@echo "AFL++ was written by Michal \"lcamtuf\" Zalewski and is maintained by Marc \"van Hauser\" Heuse <mh@mh-sec.de>, Dominik Maier <domenukk@gmail.com>, Andrea Fioraldi <andreafioraldi@gmail.com> and Heiko \"hexcoder-\" Eissfeldt <heiko.eissfeldt@hexco.de>" >> $@
+	@echo  The homepage of AFL++ is: https://github.com/AFLplusplus/AFLplusplus >> $@
+	@echo >> $@
+	@echo .SH LICENSE >> $@
+	@echo Apache License Version 2.0, January 2004 >> $@
+
+.PHONY: install
+install: all $(MANPAGES)
+	@install -d -m 755 $${DESTDIR}$(BIN_PATH) $${DESTDIR}$(HELPER_PATH) $${DESTDIR}$(DOC_PATH) $${DESTDIR}$(MISC_PATH)
+	@rm -f $${DESTDIR}$(BIN_PATH)/afl-plot.sh
+	@rm -f $${DESTDIR}$(BIN_PATH)/afl-as
+	@rm -f $${DESTDIR}$(HELPER_PATH)/afl-llvm-rt.o $${DESTDIR}$(HELPER_PATH)/afl-llvm-rt-32.o $${DESTDIR}$(HELPER_PATH)/afl-llvm-rt-64.o $${DESTDIR}$(HELPER_PATH)/afl-gcc-rt.o
+	@for i in afl-llvm-dict2file.so afl-llvm-lto-instrumentlist.so afl-llvm-pass.so cmplog-instructions-pass.so cmplog-routines-pass.so cmplog-switches-pass.so compare-transform-pass.so libcompcov.so libdislocator.so libnyx.so libqasan.so libtokencap.so SanitizerCoverageLTO.so SanitizerCoveragePCGUARD.so split-compares-pass.so split-switches-pass.so injection-pass.so; do echo rm -fv $${DESTDIR}$(HELPER_PATH)/$${i}; done
+	install -m 755 $(PROGS) $(SH_PROGS) $${DESTDIR}$(BIN_PATH)
+	@if [ -f afl-qemu-trace ]; then install -m 755 afl-qemu-trace $${DESTDIR}$(BIN_PATH); fi
+	@if [ -f utils/plot_ui/afl-plot-ui ]; then install -m 755 utils/plot_ui/afl-plot-ui $${DESTDIR}$(BIN_PATH); fi
+	@if [ -f libdislocator.so ]; then set -e; install -m 755 libdislocator.so $${DESTDIR}$(HELPER_PATH); fi
+	@if [ -f libtokencap.so ]; then set -e; install -m 755 libtokencap.so $${DESTDIR}$(HELPER_PATH); fi
+	@if [ -f libcompcov.so ]; then set -e; install -m 755 libcompcov.so $${DESTDIR}$(HELPER_PATH); fi
+	@if [ -f libqasan.so ]; then set -e; install -m 755 libqasan.so $${DESTDIR}$(HELPER_PATH); fi
+	@if [ -f afl-fuzz-document ]; then set -e; install -m 755 afl-fuzz-document $${DESTDIR}$(BIN_PATH); fi
+	@if [ -f socketfuzz32.so -o -f socketfuzz64.so ]; then $(MAKE) -C utils/socket_fuzzing install; fi
+	@if [ -f argvfuzz32.so -o -f argvfuzz64.so ]; then $(MAKE) -C utils/argv_fuzzing install; fi
+	@if [ -f afl-frida-trace.so ]; then install -m 755 afl-frida-trace.so $${DESTDIR}$(HELPER_PATH); fi
+	@if [ -f libnyx.so ]; then install -m 755 libnyx.so $${DESTDIR}$(HELPER_PATH); fi
+	@if [ -f utils/afl_network_proxy/afl-network-server ]; then $(MAKE) -C utils/afl_network_proxy install; fi
+	@if [ -f utils/aflpp_driver/libAFLDriver.a ]; then set -e; install -m 644 utils/aflpp_driver/libAFLDriver.a $${DESTDIR}$(HELPER_PATH); fi
+	@if [ -f utils/aflpp_driver/libAFLQemuDriver.a ]; then set -e; install -m 644 utils/aflpp_driver/libAFLQemuDriver.a $${DESTDIR}$(HELPER_PATH); fi
+	-$(MAKE) -f GNUmakefile.llvm install
+ifneq "$(SYS)" "Darwin"
+	-$(MAKE) -f GNUmakefile.gcc_plugin install
+endif
+	ln -sf afl-cc $${DESTDIR}$(BIN_PATH)/afl-gcc
+	ln -sf afl-cc $${DESTDIR}$(BIN_PATH)/afl-g++
+	ln -sf afl-cc $${DESTDIR}$(BIN_PATH)/afl-clang
+	ln -sf afl-cc $${DESTDIR}$(BIN_PATH)/afl-clang++
+	@mkdir -m 0755 -p ${DESTDIR}$(MAN_PATH)
+	install -m0644 *.8 ${DESTDIR}$(MAN_PATH)
+	install -m 755 afl-as $${DESTDIR}$(HELPER_PATH)
+	ln -sf afl-as $${DESTDIR}$(HELPER_PATH)/as
+	install -m 644 docs/*.md $${DESTDIR}$(DOC_PATH)
+	cp -r testcases/ $${DESTDIR}$(MISC_PATH)
+	cp -r dictionaries/ $${DESTDIR}$(MISC_PATH)
+	cp injections.dic $${DESTDIR}$(MISC_PATH)
+
+.PHONY: uninstall
+uninstall:
+	-cd $${DESTDIR}$(BIN_PATH) && rm -f $(PROGS) $(SH_PROGS) afl-cs-proxy afl-qemu-trace afl-plot-ui afl-fuzz-document afl-network-client afl-network-server afl-g* afl-plot.sh afl-as afl-ld-lto afl-c* afl-lto*
+	-cd $${DESTDIR}$(HELPER_PATH) && rm -f afl-g*.*o afl-llvm-*.*o afl-compiler-*.*o libdislocator.so libtokencap.so libcompcov.so libqasan.so afl-frida-trace.so libnyx.so socketfuzz*.so argvfuzz*.so libAFLDriver.a libAFLQemuDriver.a as afl-as SanitizerCoverage*.so compare-transform-pass.so cmplog-*-pass.so split-*-pass.so dynamic_list.txt injections.dic
+	-rm -rf $${DESTDIR}$(MISC_PATH)/testcases $${DESTDIR}$(MISC_PATH)/dictionaries
+	-sh -c "ls docs/*.md | sed 's|^docs/|$${DESTDIR}$(DOC_PATH)/|' | xargs rm -f"
+	-cd $${DESTDIR}$(MAN_PATH) && rm -f $(MANPAGES)
+	-rmdir $${DESTDIR}$(BIN_PATH) 2>/dev/null
+	-rmdir $${DESTDIR}$(HELPER_PATH) 2>/dev/null
+	-rmdir $${DESTDIR}$(MISC_PATH) 2>/dev/null
+	-rmdir $${DESTDIR}$(DOC_PATH) 2>/dev/null
+	-rmdir $${DESTDIR}$(MAN_PATH) 2>/dev/null

GNUmakefile.gcc_plugin

@@ -0,0 +1,212 @@
+#
+# american fuzzy lop++ - GCC plugin instrumentation
+# -----------------------------------------------
+#
+# Written by Austin Seipp <aseipp@pobox.com> and
+#            Laszlo Szekeres <lszekeres@google.com> and
+#            Michal Zalewski and
+#            Heiko Eißfeldt  <heiko@hexco.de>
+#
+# GCC integration design is based on the LLVM design, which comes
+# from Laszlo Szekeres.
+#
+# Copyright 2015 Google Inc. All rights reserved.
+# Copyright 2019-2024 AFLplusplus Project. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#   https://www.apache.org/licenses/LICENSE-2.0
+#
+#TEST_MMAP=1
+PREFIX      ?= /usr/local
+HELPER_PATH ?= $(PREFIX)/lib/afl
+BIN_PATH    ?= $(PREFIX)/bin
+DOC_PATH    ?= $(PREFIX)/share/doc/afl
+MAN_PATH    ?= $(PREFIX)/share/man/man8
+
+VERSION     = $(shell grep '^$(HASH)define VERSION ' ./config.h | cut -d '"' -f2)
+
+CFLAGS          ?= -O3 -g -funroll-loops
+# -D_FORTIFY_SOURCE=1
+CFLAGS_SAFE     := -Wall -Iinclude -Wno-pointer-sign \
+                   -DAFL_PATH=\"$(HELPER_PATH)\" -DBIN_PATH=\"$(BIN_PATH)\" \
+                   -DGCC_VERSION=\"$(GCCVER)\" -DGCC_BINDIR=\"$(GCCBINDIR)\" \
+                   -Wno-unused-function
+override CFLAGS += $(CFLAGS_SAFE)
+
+CXXFLAGS    ?= -O3 -g -funroll-loops
+# -D_FORTIFY_SOURCE=1
+CXXEFLAGS   := $(CXXFLAGS) $(CPPFLAGS) -Wall -std=c++11
+
+CC          ?= gcc
+CXX         ?= g++
+
+SYS = $(shell uname -s)
+
+ifeq "clang" "$(CC)"
+        CC  = gcc
+        CXX = g++
+endif
+
+ifeq "clang++" "$(CXX)"
+        CC  = gcc
+        CXX = g++
+endif
+
+ifeq "$(findstring Foundation,$(shell $(CC) --version))" ""
+        CC  = gcc
+        CXX = g++
+endif
+
+PLUGIN_BASE = "$(shell $(CC) -print-file-name=plugin)"
+PLUGIN_FLAGS = -fPIC -fno-rtti -fno-exceptions -I$(PLUGIN_BASE)/include -I$(PLUGIN_BASE)
+HASH=\#
+
+GCCVER    = $(shell $(CC) --version 2>/dev/null | awk 'NR == 1 {print $$NF}')
+GCCBINDIR = $(shell dirname `command -v $(CC)` 2>/dev/null )
+
+ifeq "$(shell echo '$(HASH)include <sys/ipc.h>@$(HASH)include <sys/shm.h>@int main() { int _id = shmget(IPC_PRIVATE, 65536, IPC_CREAT | IPC_EXCL | 0600); shmctl(_id, IPC_RMID, 0); return 0;}' | tr @ '\n' | $(CC) -x c - -o .test2 2>/dev/null && echo 1 || echo 0 ; rm -f .test2 )" "1"
+	SHMAT_OK=1
+else
+	SHMAT_OK=0
+	override CFLAGS_SAFE += -DUSEMMAP=1
+endif
+
+ifeq "$(TEST_MMAP)" "1"
+	SHMAT_OK=0
+	override CFLAGS_SAFE += -DUSEMMAP=1
+endif
+
+ifneq "$(SYS)" "Haiku"
+ifneq "$(SYS)" "OpenBSD"
+  	LDFLAGS += -lrt
+endif
+else
+	CFLAGS_SAFE += -DUSEMMAP=1
+endif
+
+ifeq "$(SYS)" "OpenBSD"
+    CC  = egcc
+    CXX = eg++
+    PLUGIN_FLAGS += -I/usr/local/include
+endif
+
+ifeq "$(SYS)" "DragonFly"
+  	PLUGIN_FLAGS += -I/usr/local/include
+endif
+
+ifeq "$(SYS)" "SunOS"
+  	PLUGIN_FLAGS += -I/usr/include/gmp
+endif
+
+
+PASSES       = ./afl-gcc-pass.so ./afl-gcc-cmplog-pass.so ./afl-gcc-cmptrs-pass.so
+
+PROGS        = $(PASSES) ./afl-compiler-rt.o ./afl-compiler-rt-32.o ./afl-compiler-rt-64.o
+
+.PHONY: all
+all: test_shm test_deps $(PROGS) test_build all_done
+
+.PHONY: test_shm
+ifeq "$(SHMAT_OK)" "1"
+test_shm:
+	@echo "[+] shmat seems to be working."
+	@rm -f .test2
+else
+test_shm:
+	@echo "[-] shmat seems not to be working, switching to mmap implementation"
+endif
+
+.PHONY: test_deps
+test_deps:
+	@echo "[*] Checking for working '$(CC)'..."
+	@command -v $(CC) >/dev/null 2>&1 || ( echo "[-] Oops, can't find '$(CC)'. Make sure that it's in your \$$PATH (or set \$$CC and \$$CXX)."; exit 1 )
+#	@echo "[*] Checking for gcc for plugin support..."
+#	@$(CC) -v 2>&1 | grep -q -- --enable-plugin || ( echo "[-] Oops, this gcc has not been configured with plugin support."; exit 1 )
+	@echo "[*] Checking for gcc plugin development header files..."
+	@test -d `$(CC) -print-file-name=plugin`/include || ( echo "[-] Oops, can't find gcc header files. Be sure to install 'gcc-X-plugin-dev'."; exit 1 )
+	@echo "[*] Checking for './afl-showmap'..."
+	@test -f ./afl-showmap || ( echo "[-] Oops, can't find './afl-showmap'. Be sure to compile AFL first."; exit 1 )
+	@echo "[+] All set and ready to build."
+
+afl-common.o: ./src/afl-common.c
+	$(CC) $(CFLAGS) $(CPPFLAGS) -c $< -o $@ $(LDFLAGS)
+
+./afl-compiler-rt.o: instrumentation/afl-compiler-rt.o.c
+	$(CC) $(CFLAGS_SAFE) $(CPPFLAGS) -O3 -Wno-unused-result -fPIC -c $< -o $@
+
+./afl-compiler-rt-32.o: instrumentation/afl-compiler-rt.o.c
+	@printf "[*] Building 32-bit variant of the runtime (-m32)... "
+	@$(CC) $(CFLAGS_SAFE) $(CPPFLAGS) -O3 -Wno-unused-result -m32 -fPIC -c $< -o $@ 2>/dev/null; if [ "$$?" = "0" ]; then echo "success!"; else echo "failed (that's fine)"; fi
+
+./afl-compiler-rt-64.o: instrumentation/afl-compiler-rt.o.c
+	@printf "[*] Building 64-bit variant of the runtime (-m64)... "
+	@$(CC) $(CFLAGS_SAFE) $(CPPFLAGS) -O3 -Wno-unused-result -m64 -fPIC -c $< -o $@ 2>/dev/null; if [ "$$?" = "0" ]; then echo "success!"; else echo "failed (that's fine)"; fi
+
+$(PASSES): instrumentation/afl-gcc-common.h
+
+./afl-gcc-pass.so: instrumentation/afl-gcc-pass.so.cc | test_deps
+	$(CXX) $(CXXEFLAGS) $(PLUGIN_FLAGS) -shared $< -o $@
+	ln -sf afl-cc afl-gcc-fast
+	ln -sf afl-cc afl-g++-fast
+	ln -sf afl-cc.8 afl-gcc-fast.8
+	ln -sf afl-cc.8 afl-g++-fast.8
+
+./afl-gcc-cmplog-pass.so: instrumentation/afl-gcc-cmplog-pass.so.cc | test_deps
+	$(CXX) $(CXXEFLAGS) $(PLUGIN_FLAGS) -shared $< -o $@
+
+./afl-gcc-cmptrs-pass.so: instrumentation/afl-gcc-cmptrs-pass.so.cc | test_deps
+	$(CXX) $(CXXEFLAGS) $(PLUGIN_FLAGS) -shared $< -o $@
+
+.PHONY: test_build
+test_build: $(PROGS)
+	@echo "[*] Testing the CC wrapper and instrumentation output..."
+	unset AFL_USE_ASAN AFL_USE_MSAN; ASAN_OPTIONS=detect_leaks=0 AFL_QUIET=1 AFL_INST_RATIO=100 AFL_PATH=. AFL_CC=$(CC) ./afl-gcc-fast $(CFLAGS) $(CPPFLAGS) ./test-instr.c -o test-instr $(LDFLAGS)
+	ASAN_OPTIONS=detect_leaks=0 ./afl-showmap -m none -q -o .test-instr0 ./test-instr </dev/null
+	echo 1 | ASAN_OPTIONS=detect_leaks=0 ./afl-showmap -m none -q -o .test-instr1 ./test-instr
+	@rm -f test-instr
+	@cmp -s .test-instr0 .test-instr1; DR="$$?"; rm -f .test-instr0 .test-instr1; if [ "$$DR" = "0" ]; then echo; echo "Oops, the instrumentation does not seem to be behaving correctly!"; echo; echo "Please post to https://github.com/AFLplusplus/AFLplusplus/issues to troubleshoot the issue."; echo; exit 1; fi
+	@echo "[+] All right, the instrumentation seems to be working!"
+
+.PHONY: all_done
+all_done: test_build
+	@echo "[+] All done! You can now use './afl-gcc-fast' to compile programs."
+
+.NOTPARALLEL: clean
+
+%.8: %
+	@echo .TH $* 8 `date "+%Y-%m-%d"` "AFL++" > ./$@
+	@echo .SH NAME >> ./$@
+	@echo .B $* >> ./$@
+	@echo >> ./$@
+	@echo .SH SYNOPSIS >> ./$@
+	@./$* -h 2>&1 | head -n 3 | tail -n 1 | sed 's/^\.\///' >> ./$@
+	@echo >> ./$@
+	@echo .SH OPTIONS >> ./$@
+	@echo .nf >> ./$@
+	@./$* -h 2>&1 | tail -n +4 >> ./$@
+	@echo >> ./$@
+	@echo .SH AUTHOR >> ./$@
+	@echo "AFL++ was written by Michal \"lcamtuf\" Zalewski and is maintained by Marc \"van Hauser\" Heuse <mh@mh-sec.de>, Dominik Maier <domenukk@gmail.com>, Andrea Fioraldi <andreafioraldi@gmail.com> and Heiko \"hexcoder-\" Eissfeldt <heiko.eissfeldt@hexco.de>" >> ./$@
+	@echo  The homepage of AFL++ is: https://github.com/AFLplusplus/AFLplusplus >> ./$@
+	@echo >> ./$@
+	@echo .SH LICENSE >> ./$@
+	@echo Apache License Version 2.0, January 2004 >> ./$@
+	ln -sf afl-cc.8 ./afl-g++-fast.8
+
+.PHONY: install
+install: all
+	ln -sf afl-cc $${DESTDIR}$(BIN_PATH)/afl-gcc-fast
+	ln -sf afl-c++ $${DESTDIR}$(BIN_PATH)/afl-g++-fast
+	ln -sf afl-compiler-rt.o $${DESTDIR}$(HELPER_PATH)/afl-gcc-rt.o
+	install -m 755 ./afl-gcc-pass.so $${DESTDIR}$(HELPER_PATH)
+	install -m 755 ./afl-gcc-cmplog-pass.so $${DESTDIR}$(HELPER_PATH)
+	install -m 755 ./afl-gcc-cmptrs-pass.so $${DESTDIR}$(HELPER_PATH)
+	install -m 644 -T instrumentation/README.gcc_plugin.md $${DESTDIR}$(DOC_PATH)/README.gcc_plugin.md
+
+.PHONY: clean
+clean:
+	rm -f *.o *.so *~ a.out core core.[1-9][0-9]* test-instr .test-instr0 .test-instr1 .test2
+	rm -f $(PROGS) afl-common.o ./afl-g++-fast ./afl-g*-fast.8 instrumentation/*.o

GNUmakefile.llvm

@@ -0,0 +1,559 @@
+# american fuzzy lop++ - LLVM instrumentation
+# -----------------------------------------
+#
+# Written by Laszlo Szekeres <lszekeres@google.com> and
+#            Michal Zalewski
+#
+# LLVM integration design comes from Laszlo Szekeres.
+#
+# Copyright 2015, 2016 Google Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#   https://www.apache.org/licenses/LICENSE-2.0
+#
+
+# For Heiko:
+#TEST_MMAP=1
+HASH=\#
+
+PREFIX      ?= /usr/local
+HELPER_PATH ?= $(PREFIX)/lib/afl
+BIN_PATH    ?= $(PREFIX)/bin
+DOC_PATH    ?= $(PREFIX)/share/doc/afl
+MISC_PATH   ?= $(PREFIX)/share/afl
+MAN_PATH    ?= $(PREFIX)/share/man/man8
+
+BUILD_DATE  ?= $(shell date -u -d "@$(SOURCE_DATE_EPOCH)" "+%Y-%m-%d" 2>/dev/null || date -u -r "$(SOURCE_DATE_EPOCH)" "+%Y-%m-%d" 2>/dev/null || date -u "+%Y-%m-%d")
+
+VERSION     = $(shell grep '^$(HASH)define VERSION ' ./config.h | cut -d '"' -f2)
+
+SYS = $(shell uname -s)
+
+ifeq "$(SYS)" "OpenBSD"
+  LLVM_CONFIG ?= $(BIN_PATH)/llvm-config
+  HAS_OPT = $(shell test -x $(BIN_PATH)/opt && echo 0 || echo 1)
+  ifeq "$(HAS_OPT)" "1"
+    $(warning llvm_mode needs a complete llvm installation (versions 6.0 up to 13) -> e.g. "pkg_add llvm-7.0.1p9")
+  endif
+else
+  LLVM_CONFIG ?= llvm-config
+endif
+
+LLVMVER  = $(shell $(LLVM_CONFIG) --version 2>/dev/null | sed 's/git//' | sed 's/svn//' )
+LLVM_MAJOR = $(shell $(LLVM_CONFIG) --version 2>/dev/null | sed 's/\..*//' )
+LLVM_MINOR = $(shell $(LLVM_CONFIG) --version 2>/dev/null | sed 's/.*\.//' | sed 's/git//' | sed 's/svn//' | sed 's/ .*//' )
+LLVM_UNSUPPORTED = $(shell $(LLVM_CONFIG) --version 2>/dev/null | grep -E -q '^[0-2]\.|^3.[0-8]\.' && echo 1 || echo 0 )
+LLVM_TOO_NEW = $(shell $(LLVM_CONFIG) --version 2>/dev/null | grep -E -q '^1[8-9]|^2[0-9]' && echo 1 || echo 0 )
+LLVM_TOO_OLD = $(shell $(LLVM_CONFIG) --version 2>/dev/null | grep -E -q '^[1-9]\.|^1[012]\.' && echo 1 || echo 0 )
+LLVM_NEW_API = $(shell $(LLVM_CONFIG) --version 2>/dev/null | grep -E -q '^1[0-9]' && echo 1 || echo 0 )
+LLVM_NEWER_API = $(shell $(LLVM_CONFIG) --version 2>/dev/null | grep -E -q '^1[6-9]' && echo 1 || echo 0 )
+LLVM_13_OK = $(shell $(LLVM_CONFIG) --version 2>/dev/null | grep -E -q '^1[3-9]' && echo 1 || echo 0 )
+LLVM_HAVE_LTO = $(shell $(LLVM_CONFIG) --version 2>/dev/null | grep -E -q '^1[2-9]' && echo 1 || echo 0 )
+LLVM_BINDIR = $(shell $(LLVM_CONFIG) --bindir 2>/dev/null)
+LLVM_LIBDIR = $(shell $(LLVM_CONFIG) --libdir 2>/dev/null)
+LLVM_STDCXX = gnu++11
+LLVM_APPLE_XCODE = $(shell $(CC) -v 2>&1 | grep -q Apple && echo 1 || echo 0)
+LLVM_LTO   = 0
+
+ifeq "$(LLVMVER)" ""
+  $(warning [!] llvm_mode needs llvm-config, which was not found. Set LLVM_CONFIG to its path and retry.)
+endif
+
+ifeq "$(LLVM_UNSUPPORTED)" "1"
+  $(error llvm_mode only supports llvm from version 3.8 onwards)
+endif
+
+ifeq "$(LLVM_TOO_NEW)" "1"
+  $(warning you are using an in-development llvm version - this might break llvm_mode!)
+endif
+
+ifeq "$(LLVM_TOO_OLD)" "1"
+  $(warning you are using an outdated LLVM version! Please use at least LLVM 13 or newer!)
+  $(shell sleep 2)
+endif
+
+# No switching the meaning of LLVM_TOO_OLD
+LLVM_TOO_OLD=1
+
+ifeq "$(LLVM_MAJOR)" "9"
+  $(info [+] llvm_mode detected llvm 9, enabling neverZero implementation)
+  LLVM_TOO_OLD=0
+endif
+
+ifeq "$(LLVM_NEW_API)" "1"
+  $(info [+] llvm_mode detected llvm 10+, enabling neverZero implementation and c++14)
+  LLVM_STDCXX = c++14
+  LLVM_TOO_OLD=0
+endif
+
+ifeq "$(LLVM_NEWER_API)" "1"
+  $(info [+] llvm_mode detected llvm 16+, enabling c++17)
+  LLVM_STDCXX = c++17
+endif
+
+ifeq "$(LLVM_HAVE_LTO)" "1"
+  $(info [+] llvm_mode detected llvm 12+, enabling afl-lto LTO implementation)
+  LLVM_LTO = 1
+endif
+
+ifeq "$(LLVM_LTO)" "0"
+  $(info [+] llvm_mode detected llvm < 12, afl-lto LTO will not be build.)
+endif
+
+ifeq "$(LLVM_APPLE_XCODE)" "1"
+  $(warning llvm_mode will not compile with Xcode clang...)
+endif
+
+# We were using llvm-config --bindir to get the location of clang, but
+# this seems to be busted on some distros, so using the one in $PATH is
+# probably better.
+
+CC         = $(LLVM_BINDIR)/clang
+CXX        = $(LLVM_BINDIR)/clang++
+
+# llvm-config --bindir may not providing a valid path, so ...
+ifeq "$(shell test -e $(CC) || echo 1 )" "1"
+  # however we must ensure that this is not a "CC=gcc make"
+  ifeq "$(shell command -v $(CC) 2> /dev/null)" ""
+    # we do not have a valid CC variable so we try alternatives
+    ifeq "$(shell test -e '$(BIN_DIR)/clang' && echo 1)" "1"
+      # we found one in the local install directory, lets use these
+      CC         = $(BIN_DIR)/clang
+    else
+      # hope for the best
+      $(warning we have trouble finding clang - llvm-config is not helping us)
+      CC         = clang
+    endif
+  endif
+endif
+# llvm-config --bindir may not providing a valid path, so ...
+ifeq "$(shell test -e $(CXX) || echo 1 )" "1"
+  # however we must ensure that this is not a "CXX=g++ make"
+  ifeq "$(shell command -v $(CXX) 2> /dev/null)" ""
+    # we do not have a valid CXX variable so we try alternatives
+    ifeq "$(shell test -e '$(BIN_DIR)/clang++' && echo 1)" "1"
+      # we found one in the local install directory, lets use these
+      CXX        = $(BIN_DIR)/clang++
+    else
+      # hope for the best
+      $(warning we have trouble finding clang++ - llvm-config is not helping us)
+      CXX        = clang++
+    endif
+  endif
+endif
+
+# sanity check.
+# Are versions of clang --version and llvm-config --version equal?
+CLANGVER = $(shell $(CC) --version | sed -E -ne '/^.*version\ (1?[0-9]\.[0-9]\.[0-9]).*/s//\1/p')
+
+# I disable this because it does not make sense with what we did before (marc)
+# We did exactly set these 26 lines above with these values, and it would break
+# "CC=gcc make" etc. usages
+ifeq "$(findstring clang, $(shell $(CC) --version 2>/dev/null))" ""
+  CC_SAVE := $(LLVM_BINDIR)/clang
+else
+  CC_SAVE := $(CC)
+endif
+ifeq "$(findstring clang, $(shell $(CXX) --version 2>/dev/null))" ""
+  CXX_SAVE := $(LLVM_BINDIR)/clang++
+else
+  CXX_SAVE := $(CXX)
+endif
+
+CLANG_BIN := $(CC_SAVE)
+CLANGPP_BIN := $(CXX_SAVE)
+
+ifeq "$(CC_SAVE)" "$(LLVM_BINDIR)/clang"
+  USE_BINDIR = 1
+else
+  ifeq "$(CXX_SAVE)" "$(LLVM_BINDIR)/clang++"
+    USE_BINDIR = 1
+  else
+    USE_BINDIR = 0
+  endif
+endif
+
+# On old platform we cannot compile with clang because std++ libraries are too
+# old. For these we need to use gcc/g++, so if we find REAL_CC and REAL_CXX
+# variable we override the compiler variables here
+ifneq "$(REAL_CC)" ""
+  CC  = $(REAL_CC)
+endif
+ifneq "$(REAL_CXX)" ""
+  CXX = $(REAL_CXX)
+endif
+
+#
+# Now it can happen that CC points to clang - but there is no clang on the
+# system. Then we fall back to cc
+#
+ifeq "$(shell command -v $(CC) 2>/dev/null)" ""
+  CC = cc
+endif
+ifeq "$(shell command -v $(CXX) 2>/dev/null)" ""
+  CXX = c++
+endif
+
+
+# After we set CC/CXX we can start makefile magic tests
+
+#ifeq "$(shell echo 'int main() {return 0; }' | $(CC) -x c - -march=native -o .test 2>/dev/null && echo 1 || echo 0 ; rm -f .test )" "1"
+#	CFLAGS_OPT = -march=native
+#endif
+
+ifeq "$(shell echo 'int main() {return 0; }' | $(CLANG_BIN) -x c - -flto=full -o .test 2>/dev/null && echo 1 || echo 0 ; rm -f .test )" "1"
+        AFL_CLANG_FLTO ?= -flto=full
+else
+ ifeq "$(shell echo 'int main() {return 0; }' | $(CLANG_BIN) -x c - -flto=thin -o .test 2>/dev/null && echo 1 || echo 0 ; rm -f .test )" "1"
+        AFL_CLANG_FLTO ?= -flto=thin
+ else
+  ifeq "$(shell echo 'int main() {return 0; }' | $(CLANG_BIN) -x c - -flto -o .test 2>/dev/null && echo 1 || echo 0 ; rm -f .test )" "1"
+        AFL_CLANG_FLTO ?= -flto
+  endif
+ endif
+endif
+
+ifeq "$(LLVM_LTO)" "1"
+  ifneq "$(AFL_CLANG_FLTO)" ""
+    ifeq "$(AFL_REAL_LD)" ""
+      ifneq "$(shell readlink $(LLVM_BINDIR)/ld.lld 2>&1)" ""
+        AFL_REAL_LD = $(LLVM_BINDIR)/ld.lld
+      else ifneq "$(shell command -v ld.lld 2>/dev/null)" ""
+        AFL_REAL_LD = $(shell command -v ld.lld)
+        TMP_LDLDD_VERSION = $(shell $(AFL_REAL_LD) --version | awk '{ print $$2 }')
+        ifeq "$(LLVMVER)" "$(TMP_LDLDD_VERSION)"
+          $(warning ld.lld found in a weird location ($(AFL_REAL_LD)), but its the same version as LLVM so we will allow it)
+        else
+          $(warning ld.lld found in a weird location ($(AFL_REAL_LD)) and its of a different version than LLMV ($(TMP_LDLDD_VERSION) vs. $(LLVMVER)) - cannot enable LTO mode)
+          AFL_REAL_LD=
+          LLVM_LTO = 0
+        endif
+        undefine TMP_LDLDD_VERSION
+      else
+        $(warning ld.lld not found, cannot enable LTO mode)
+        LLVM_LTO = 0
+      endif
+    endif
+  else
+    $(warning clang option -flto is not working - maybe LLVMgold.so not found - cannot enable LTO mode)
+    LLVM_LTO = 0
+  endif
+endif
+
+AFL_CLANG_FUSELD=
+ifeq "$(LLVM_LTO)" "1"
+  ifeq "$(shell echo 'int main() {return 0; }' | $(CLANG_BIN) -x c - -fuse-ld=`command -v ld` -o .test 2>/dev/null && echo 1 || echo 0 ; rm -f .test )" "1"
+    AFL_CLANG_FUSELD=1
+    ifeq "$(shell echo 'int main() {return 0; }' | $(CLANG_BIN) -x c - -fuse-ld=ld.lld --ld-path=$(AFL_REAL_LD) -o .test 2>/dev/null && echo 1 || echo 0 ; rm -f .test )" "1"
+      AFL_CLANG_LDPATH=1
+    endif
+  else
+    $(warning -fuse-ld is not working, cannot enable LTO mode)
+    LLVM_LTO = 0
+  endif
+endif
+
+ifeq "$(shell echo 'int main() {return 0; }' | $(CLANG_BIN) -x c - -fdebug-prefix-map=$(CURDIR)=llvm_mode -o .test 2>/dev/null && echo 1 || echo 0 ; rm -f .test )" "1"
+        AFL_CLANG_DEBUG_PREFIX = -fdebug-prefix-map="$(CURDIR)=llvm_mode"
+else
+        AFL_CLANG_DEBUG_PREFIX =
+endif
+
+CFLAGS          ?= -O3 -funroll-loops -fPIC
+# -D_FORTIFY_SOURCE=1
+CFLAGS_SAFE     := -Wall -g -Wno-cast-qual -Wno-variadic-macros -Wno-pointer-sign \
+                   -I ./include/ -I ./instrumentation/ \
+                   -DAFL_PATH=\"$(HELPER_PATH)\" -DBIN_PATH=\"$(BIN_PATH)\" \
+                   -DLLVM_BINDIR=\"$(LLVM_BINDIR)\" -DVERSION=\"$(VERSION)\" \
+                   -DLLVM_LIBDIR=\"$(LLVM_LIBDIR)\" -DLLVM_VERSION=\"$(LLVMVER)\" \
+                   -DAFL_CLANG_FLTO=\"$(AFL_CLANG_FLTO)\" -DAFL_REAL_LD=\"$(AFL_REAL_LD)\" \
+                   -DAFL_CLANG_LDPATH=\"$(AFL_CLANG_LDPATH)\" -DAFL_CLANG_FUSELD=\"$(AFL_CLANG_FUSELD)\" \
+                   -DCLANG_BIN=\"$(CLANG_BIN)\" -DCLANGPP_BIN=\"$(CLANGPP_BIN)\" -DUSE_BINDIR=$(USE_BINDIR) \
+                   -Wno-unused-function $(AFL_CLANG_DEBUG_PREFIX)
+ifndef LLVM_DEBUG
+  CFLAGS_SAFE += -Wno-deprecated
+endif
+
+ifdef CODE_COVERAGE
+  override CFLAGS_SAFE += -D__AFL_CODE_COVERAGE=1
+  override LDFLAGS += -ldl
+endif
+
+override CFLAGS += $(CFLAGS_SAFE)
+
+ifdef AFL_TRACE_PC
+  $(info Compile option AFL_TRACE_PC is deprecated, just set AFL_LLVM_INSTRUMENT=PCGUARD to activate when compiling targets )
+endif
+
+CXXFLAGS          ?= -O3 -funroll-loops -fPIC
+# -D_FORTIFY_SOURCE=1
+override CXXFLAGS += -Wall -g -I ./include/ \
+                     -DVERSION=\"$(VERSION)\" -Wno-variadic-macros -Wno-deprecated-copy-with-dtor \
+                     -DLLVM_MINOR=$(LLVM_MINOR) -DLLVM_MAJOR=$(LLVM_MAJOR)
+
+ifneq "$(shell $(LLVM_CONFIG) --includedir) 2> /dev/null" ""
+  CLANG_CFL  = -I$(shell $(LLVM_CONFIG) --includedir)
+endif
+ifneq "$(LLVM_CONFIG)" ""
+  CLANG_CFL += -I$(shell dirname $(LLVM_CONFIG))/../include
+endif
+CLANG_CPPFL  = `$(LLVM_CONFIG) --cxxflags` -fno-rtti -fno-exceptions -fPIC $(CXXFLAGS) $(CPPFLAGS) -Wno-deprecated-declarations
+CLANG_LFL    = `$(LLVM_CONFIG) --ldflags` $(LDFLAGS)
+
+# wasm fuzzing: disable thread-local storage and unset LLVM debug flag
+ifdef WAFL_MODE
+  $(info Compiling libraries for use with WAVM)
+  CLANG_CPPFL += -DNDEBUG -DNO_TLS
+endif
+
+# User teor2345 reports that this is required to make things work on MacOS X.
+ifeq "$(SYS)" "Darwin"
+  CLANG_LFL += -Wl,-flat_namespace -Wl,-undefined,suppress
+  override LLVM_HAVE_LTO := 0
+  override LLVM_LTO := 0
+else
+  CLANG_CPPFL += -Wl,-znodelete
+endif
+
+ifeq "$(SYS)" "OpenBSD"
+  CLANG_LFL += `$(LLVM_CONFIG) --libdir`/libLLVM.so
+  CLANG_CPPFL += -mno-retpoline
+  CFLAGS += -mno-retpoline
+  # Needed for unwind symbols
+  LDFLAGS += -lc++abi -lpthread
+endif
+
+ifeq "$(shell echo '$(HASH)include <sys/ipc.h>@$(HASH)include <sys/shm.h>@int main() { int _id = shmget(IPC_PRIVATE, 65536, IPC_CREAT | IPC_EXCL | 0600); shmctl(_id, IPC_RMID, 0); return 0;}' | tr @ '\n' | $(CC) -x c - -o .test2 2>/dev/null && echo 1 || echo 0 ; rm -f .test2 )" "1"
+        SHMAT_OK=1
+else
+        SHMAT_OK=0
+        CFLAGS_SAFE += -DUSEMMAP=1
+        LDFLAGS += -Wno-deprecated-declarations
+endif
+
+ifeq "$(TEST_MMAP)" "1"
+        SHMAT_OK=0
+        CFLAGS_SAFE += -DUSEMMAP=1
+        LDFLAGS += -Wno-deprecated-declarations
+endif
+
+PROGS_ALWAYS = ./afl-cc ./afl-compiler-rt.o ./afl-compiler-rt-32.o ./afl-compiler-rt-64.o 
+PROGS        = $(PROGS_ALWAYS) ./afl-llvm-pass.so ./SanitizerCoveragePCGUARD.so ./split-compares-pass.so ./split-switches-pass.so ./cmplog-routines-pass.so ./cmplog-instructions-pass.so ./cmplog-switches-pass.so ./afl-llvm-dict2file.so ./compare-transform-pass.so ./afl-ld-lto ./afl-llvm-lto-instrumentlist.so ./SanitizerCoverageLTO.so ./injection-pass.so
+
+# If prerequisites are not given, warn, do not build anything, and exit with code 0
+ifeq "$(LLVMVER)" ""
+  NO_BUILD = 1
+endif
+
+ifneq "$(LLVM_UNSUPPORTED)$(LLVM_APPLE_XCODE)" "00"
+  NO_BUILD = 1
+endif
+
+ifeq "$(NO_BUILD)" "1"
+  TARGETS = test_shm $(PROGS_ALWAYS) afl-cc.8
+else
+  TARGETS = test_shm test_deps $(PROGS) afl-cc.8 test_build all_done
+endif
+
+LLVM_MIN_4_0_1 = $(shell awk 'function tonum(ver, a) {split(ver,a,"."); return a[1]*1000000+a[2]*1000+a[3]} BEGIN { exit tonum(ARGV[1]) >= tonum(ARGV[2]) }' $(LLVMVER) 4.0.1; echo $$?)
+
+.PHONY: all
+all: $(TARGETS)
+
+.PHONY: test_shm
+ifeq "$(SHMAT_OK)" "1"
+test_shm:
+	@echo "[+] shmat seems to be working."
+	@rm -f .test2
+else
+test_shm:
+	@echo "[-] shmat seems not to be working, switching to mmap implementation"
+endif
+
+.PHONY: no_build
+no_build:
+	@printf "%b\\n" "\\033[0;31mPrerequisites are not met, skipping build llvm_mode\\033[0m"
+
+.PHONY: test_deps
+test_deps:
+	@echo "[*] Checking for working 'llvm-config'..."
+ ifneq "$(LLVM_APPLE_XCODE)" "1"
+	@type $(LLVM_CONFIG) >/dev/null 2>&1 || ( echo "[-] Oops, can't find 'llvm-config'. Install clang or set \$$LLVM_CONFIG or \$$PATH beforehand."; echo "    (Sometimes, the binary will be named llvm-config-11 or something like that.)"; exit 1 )
+ endif
+	@echo "[*] Checking for working '$(CC)'..."
+	@type $(CC) >/dev/null 2>&1 || ( echo "[-] Oops, can't find '$(CC)'. Make sure that it's in your \$$PATH (or set \$$CC and \$$CXX)."; exit 1 )
+	@echo "[*] Checking for matching versions of '$(CC)' and '$(LLVM_CONFIG)'"
+ifneq "$(CLANGVER)" "$(LLVMVER)"
+	@echo "[!] WARNING: we have llvm-config version $(LLVMVER) and a clang version $(CLANGVER)"
+else
+	@echo "[*] We have llvm-config version $(LLVMVER) with a clang version $(CLANGVER), good."
+endif
+	@echo "[*] Checking for './afl-showmap'..."
+	@test -f ./afl-showmap || ( echo "[-] Oops, can't find './afl-showmap'. Be sure to compile AFL first."; exit 1 )
+	@echo "[+] All set and ready to build."
+
+instrumentation/afl-common.o: ./src/afl-common.c
+	$(CC) $(CFLAGS) $(CPPFLAGS) -c $< -o $@ $(LDFLAGS)
+
+./afl-cc: src/afl-cc.c instrumentation/afl-common.o
+	$(CC) $(CLANG_CFL) $(CFLAGS) $(CPPFLAGS) $< instrumentation/afl-common.o -o $@ -DLLVM_MINOR=$(LLVM_MINOR) -DLLVM_MAJOR=$(LLVM_MAJOR) $(LDFLAGS) -DCFLAGS_OPT=\"$(CFLAGS_OPT)\" -lm
+	@ln -sf afl-cc ./afl-c++
+	@ln -sf afl-cc ./afl-gcc
+	@ln -sf afl-cc ./afl-g++
+	@ln -sf afl-cc ./afl-clang
+	@ln -sf afl-cc ./afl-clang++
+	@ln -sf afl-cc ./afl-clang-fast
+	@ln -sf afl-cc ./afl-clang-fast++
+ifneq "$(AFL_CLANG_FLTO)" ""
+ifeq "$(LLVM_LTO)" "1"
+	@ln -sf afl-cc ./afl-clang-lto
+	@ln -sf afl-cc ./afl-clang-lto++
+	@ln -sf afl-cc ./afl-lto
+	@ln -sf afl-cc ./afl-lto++
+endif
+endif
+
+instrumentation/afl-llvm-common.o: instrumentation/afl-llvm-common.cc instrumentation/afl-llvm-common.h
+	$(CXX) $(CFLAGS) $(CPPFLAGS) `$(LLVM_CONFIG) --cxxflags` -fno-rtti -fPIC -std=$(LLVM_STDCXX) -c $< -o $@ 
+
+./afl-llvm-pass.so: instrumentation/afl-llvm-pass.so.cc instrumentation/afl-llvm-common.o | test_deps
+ifeq "$(LLVM_MIN_4_0_1)" "0"
+	$(info [!] N-gram branch coverage instrumentation is not available for llvm version $(LLVMVER))
+endif
+	$(CXX) $(CLANG_CPPFL) -Wdeprecated -fno-rtti -fPIC -std=$(LLVM_STDCXX) -shared $< -o $@ $(CLANG_LFL) instrumentation/afl-llvm-common.o
+
+./SanitizerCoveragePCGUARD.so: instrumentation/SanitizerCoveragePCGUARD.so.cc instrumentation/afl-llvm-common.o | test_deps
+ifeq "$(LLVM_13_OK)" "1"
+	-$(CXX) $(CLANG_CPPFL) -fno-rtti -fPIC -std=$(LLVM_STDCXX) -shared $< -o $@ $(CLANG_LFL) -Wno-deprecated-copy-dtor -Wdeprecated instrumentation/afl-llvm-common.o
+endif
+
+./afl-llvm-lto-instrumentlist.so: instrumentation/afl-llvm-lto-instrumentlist.so.cc instrumentation/afl-llvm-common.o
+ifeq "$(LLVM_LTO)" "1"
+	$(CXX) $(CLANG_CPPFL) -fno-rtti -fPIC -std=$(LLVM_STDCXX) -shared $< -o $@ $(CLANG_LFL) instrumentation/afl-llvm-common.o
+endif
+
+./afl-ld-lto: src/afl-ld-lto.c
+ifeq "$(LLVM_LTO)" "1"
+	$(CC) $(CFLAGS) $(CPPFLAGS) $< -o $@
+endif
+
+./SanitizerCoverageLTO.so: instrumentation/SanitizerCoverageLTO.so.cc instrumentation/afl-llvm-common.o
+ifeq "$(LLVM_LTO)" "1"
+	$(CXX) $(CLANG_CPPFL) -Wno-writable-strings -fno-rtti -fPIC -std=$(LLVM_STDCXX) -shared $< -o $@ $(CLANG_LFL) instrumentation/afl-llvm-common.o
+	$(CLANG_BIN) $(CFLAGS_SAFE) $(CPPFLAGS) -Wno-unused-result -O0 $(AFL_CLANG_FLTO) -fPIC -c instrumentation/afl-llvm-rt-lto.o.c -o ./afl-llvm-rt-lto.o
+	@$(CLANG_BIN) $(CFLAGS_SAFE) $(CPPFLAGS) -Wno-unused-result -O0 $(AFL_CLANG_FLTO) -m64 -fPIC -c instrumentation/afl-llvm-rt-lto.o.c -o ./afl-llvm-rt-lto-64.o 2>/dev/null; if [ "$$?" = "0" ]; then : ; fi
+	@$(CLANG_BIN) $(CFLAGS_SAFE) $(CPPFLAGS) -Wno-unused-result -O0 $(AFL_CLANG_FLTO) -m32 -fPIC -c instrumentation/afl-llvm-rt-lto.o.c -o ./afl-llvm-rt-lto-32.o 2>/dev/null; if [ "$$?" = "0" ]; then : ; fi
+endif
+
+# laf
+./split-switches-pass.so:	instrumentation/split-switches-pass.so.cc instrumentation/afl-llvm-common.o | test_deps
+	$(CXX) $(CLANG_CPPFL) -shared $< -o $@ $(CLANG_LFL) instrumentation/afl-llvm-common.o
+./compare-transform-pass.so:	instrumentation/compare-transform-pass.so.cc instrumentation/afl-llvm-common.o | test_deps
+	$(CXX) $(CLANG_CPPFL) -shared $< -o $@ $(CLANG_LFL) instrumentation/afl-llvm-common.o
+./split-compares-pass.so:	instrumentation/split-compares-pass.so.cc instrumentation/afl-llvm-common.o | test_deps
+	$(CXX) $(CLANG_CPPFL) -shared $< -o $@ $(CLANG_LFL) instrumentation/afl-llvm-common.o
+# /laf
+
+./cmplog-routines-pass.so:	instrumentation/cmplog-routines-pass.cc instrumentation/afl-llvm-common.o | test_deps
+	$(CXX) $(CLANG_CPPFL) -shared $< -o $@ $(CLANG_LFL) instrumentation/afl-llvm-common.o
+
+./cmplog-instructions-pass.so:	instrumentation/cmplog-instructions-pass.cc instrumentation/afl-llvm-common.o | test_deps
+	$(CXX) $(CLANG_CPPFL) -shared $< -o $@ $(CLANG_LFL) instrumentation/afl-llvm-common.o
+
+./cmplog-switches-pass.so:	instrumentation/cmplog-switches-pass.cc instrumentation/afl-llvm-common.o | test_deps
+	$(CXX) $(CLANG_CPPFL) -shared $< -o $@ $(CLANG_LFL) instrumentation/afl-llvm-common.o
+
+afl-llvm-dict2file.so:	instrumentation/afl-llvm-dict2file.so.cc instrumentation/afl-llvm-common.o | test_deps
+	$(CXX) $(CLANG_CPPFL) -shared $< -o $@ $(CLANG_LFL) instrumentation/afl-llvm-common.o
+
+./injection-pass.so:	instrumentation/injection-pass.cc instrumentation/afl-llvm-common.o | test_deps
+	$(CXX) $(CLANG_CPPFL) -shared $< -o $@ $(CLANG_LFL) instrumentation/afl-llvm-common.o
+
+.PHONY: document
+document:
+	$(CLANG_BIN) -D_AFL_DOCUMENT_MUTATIONS $(CFLAGS_SAFE) $(CPPFLAGS) $(CLANG_CFL) -O3 -Wno-unused-result -fPIC -c instrumentation/afl-compiler-rt.o.c -o ./afl-compiler-rt.o
+	@$(CLANG_BIN) -D_AFL_DOCUMENT_MUTATIONS $(CFLAGS_SAFE) $(CPPFLAGS) $(CLANG_CFL) -O3 -Wno-unused-result -m32 -fPIC -c instrumentation/afl-compiler-rt.o.c -o ./afl-compiler-rt-32.o 2>/dev/null; if [ "$$?" = "0" ]; then echo "success!"; else echo "failed (that's fine)"; fi
+	@$(CLANG_BIN) -D_AFL_DOCUMENT_MUTATIONS $(CFLAGS_SAFE) $(CPPFLAGS) $(CLANG_CFL) -O3 -Wno-unused-result -m64 -fPIC -c instrumentation/afl-compiler-rt.o.c -o ./afl-compiler-rt-64.o 2>/dev/null; if [ "$$?" = "0" ]; then echo "success!"; else echo "failed (that's fine)"; fi
+
+./afl-compiler-rt.o: instrumentation/afl-compiler-rt.o.c
+	$(CC) $(CLANG_CFL) $(CFLAGS_SAFE) $(CPPFLAGS) -O3 -Wno-unused-result -fPIC -c $< -o $@
+
+./afl-compiler-rt-32.o: instrumentation/afl-compiler-rt.o.c
+	@printf "[*] Building 32-bit variant of the runtime (-m32)... "
+	@$(CC) $(CLANG_CFL) $(CFLAGS_SAFE) $(CPPFLAGS) -O3 -Wno-unused-result -m32 -fPIC -c $< -o $@ 2>/dev/null; if [ "$$?" = "0" ]; then echo "success!"; else echo "failed (that's fine)"; fi
+
+./afl-compiler-rt-64.o: instrumentation/afl-compiler-rt.o.c
+	@printf "[*] Building 64-bit variant of the runtime (-m64)... "
+	@$(CC) $(CLANG_CFL) $(CFLAGS_SAFE) $(CPPFLAGS) -O3 -Wno-unused-result -m64 -fPIC -c $< -o $@ 2>/dev/null; if [ "$$?" = "0" ]; then echo "success!"; else echo "failed (that's fine)"; fi
+
+.PHONY: test_build
+test_build: $(PROGS)
+	@echo "[*] Testing the CC wrapper and instrumentation output..."
+	unset AFL_USE_ASAN AFL_USE_MSAN AFL_INST_RATIO; ASAN_OPTIONS=detect_leaks=0 AFL_QUIET=1 AFL_PATH=. AFL_LLVM_LAF_ALL=1 ./afl-cc $(CFLAGS) $(CPPFLAGS) ./test-instr.c -o test-instr $(LDFLAGS)
+	ASAN_OPTIONS=detect_leaks=0 ./afl-showmap -m none -q -o .test-instr0 ./test-instr < /dev/null
+	echo 1 | ASAN_OPTIONS=detect_leaks=0 ./afl-showmap -m none -q -o .test-instr1 ./test-instr
+	@rm -f test-instr
+	@cmp -s .test-instr0 .test-instr1; DR="$$?"; rm -f .test-instr0 .test-instr1; if [ "$$DR" = "0" ]; then echo; echo "Oops, the instrumentation does not seem to be behaving correctly!"; echo; echo "Please post to https://github.com/AFLplusplus/AFLplusplus/issues to troubleshoot the issue."; echo; exit 1; fi
+	@echo "[+] All right, the instrumentation seems to be working!"
+
+.PHONY: all_done
+all_done: test_build
+	@echo "[+] All done! You can now use './afl-cc' to compile programs."
+
+.NOTPARALLEL: clean
+
+.PHONY: install
+install: all
+	@install -d -m 755 $${DESTDIR}$(BIN_PATH) $${DESTDIR}$(HELPER_PATH) $${DESTDIR}$(DOC_PATH) $${DESTDIR}$(MISC_PATH)
+	@if [ -f ./afl-cc ]; then set -e; install -m 755 ./afl-cc $${DESTDIR}$(BIN_PATH); ln -sf afl-cc $${DESTDIR}$(BIN_PATH)/afl-c++; fi
+	@rm -f $${DESTDIR}$(HELPER_PATH)/afl-llvm-rt*.o $${DESTDIR}$(HELPER_PATH)/afl-gcc-rt*.o
+	@if [ -f ./afl-compiler-rt.o ]; then set -e; install -m 755 ./afl-compiler-rt.o $${DESTDIR}$(HELPER_PATH); fi
+	@if [ -f ./afl-lto ]; then set -e; ln -sf afl-cc $${DESTDIR}$(BIN_PATH)/afl-lto; ln -sf afl-cc $${DESTDIR}$(BIN_PATH)/afl-lto++; ln -sf afl-cc $${DESTDIR}$(BIN_PATH)/afl-clang-lto; ln -sf afl-cc $${DESTDIR}$(BIN_PATH)/afl-clang-lto++; install -m 755 ./afl-llvm-rt-lto*.o ./afl-llvm-lto-instrumentlist.so $${DESTDIR}$(HELPER_PATH); fi
+	@if [ -f ./afl-ld-lto ]; then set -e; install -m 755 ./afl-ld-lto $${DESTDIR}$(BIN_PATH); fi
+	@if [ -f ./afl-compiler-rt-32.o ]; then set -e; install -m 755 ./afl-compiler-rt-32.o $${DESTDIR}$(HELPER_PATH); fi
+	@if [ -f ./afl-compiler-rt-64.o ]; then set -e; install -m 755 ./afl-compiler-rt-64.o $${DESTDIR}$(HELPER_PATH); fi
+	@if [ -f ./compare-transform-pass.so ]; then set -e; install -m 755 ./*.so $${DESTDIR}$(HELPER_PATH); fi
+	@if [ -f ./compare-transform-pass.so ]; then set -e; ln -sf afl-cc $${DESTDIR}$(BIN_PATH)/afl-clang-fast ; ln -sf ./afl-c++ $${DESTDIR}$(BIN_PATH)/afl-clang-fast++ ; ln -sf afl-cc $${DESTDIR}$(BIN_PATH)/afl-clang ; ln -sf ./afl-c++ $${DESTDIR}$(BIN_PATH)/afl-clang++ ; fi
+	@if [ -f ./SanitizerCoverageLTO.so ]; then set -e; ln -sf afl-cc $${DESTDIR}$(BIN_PATH)/afl-clang-lto ; ln -sf ./afl-c++ $${DESTDIR}$(BIN_PATH)/afl-clang-lto++ ; fi
+	set -e; install -m 644 ./dynamic_list.txt $${DESTDIR}$(HELPER_PATH)
+	install -m 644 instrumentation/README.*.md $${DESTDIR}$(DOC_PATH)/
+
+%.8: %
+	@echo .TH $* 8 $(BUILD_DATE) "AFL++" > ./$@
+	@echo .SH NAME >> ./$@
+	@printf "%s" ".B $* \- " >> ./$@
+	@./$* -h 2>&1 | head -n 1 | sed -e "s/$$(printf '\e')[^m]*m//g" >> ./$@
+	@echo .B $* >> ./$@
+	@echo >> ./$@
+	@echo .SH SYNOPSIS >> ./$@
+	@./$* -h 2>&1 | head -n 3 | tail -n 1 | sed 's/^\.\///' >> ./$@
+	@echo >> ./$@
+	@echo .SH OPTIONS >> ./$@
+	@echo .nf >> ./$@
+	@./$* -h 2>&1 | tail -n +4 >> ./$@
+	@echo >> ./$@
+	@echo .SH AUTHOR >> ./$@
+	@echo "AFL++ was written by Michal \"lcamtuf\" Zalewski and is maintained by Marc \"van Hauser\" Heuse <mh@mh-sec.de>, Dominik Maier <domenukk@gmail.com>, Andrea Fioraldi <andreafioraldi@gmail.com> and Heiko \"hexcoder-\" Eissfeldt <heiko.eissfeldt@hexco.de>" >> ./$@
+	@echo  The homepage of AFL++ is: https://github.com/AFLplusplus/AFLplusplus >> ./$@
+	@echo >> ./$@
+	@echo .SH LICENSE >> ./$@
+	@echo Apache License Version 2.0, January 2004 >> ./$@
+	@ln -sf afl-cc.8 ./afl-c++.8
+	@ln -sf afl-cc.8 ./afl-clang-fast.8
+	@ln -sf afl-cc.8 ./afl-clang-fast++.8
+ifneq "$(AFL_CLANG_FLTO)" ""
+ifeq "$(LLVM_LTO)" "1"
+	@ln -sf afl-cc.8 ./afl-clang-lto.8
+	@ln -sf afl-cc.8 ./afl-clang-lto++.8
+	@ln -sf afl-cc.8 ./afl-lto.8
+	@ln -sf afl-cc.8 ./afl-lto++.8
+endif
+endif
+
+.PHONY: clean
+clean:
+	rm -f *.o *.so *~ a.out core core.[1-9][0-9]* .test2 test-instr .test-instr0 .test-instr1 *.dwo
+	rm -f $(PROGS) afl-common.o ./afl-c++ ./afl-lto ./afl-lto++ ./afl-clang-lto* ./afl-clang-fast* ./afl-clang*.8 ./ld ./afl-ld ./afl-compiler-rt*.o ./afl-llvm-rt*.o instrumentation/*.o

Makefile

@@ -1,157 +1,42 @@
-#
-# american fuzzy lop - makefile
-# -----------------------------
-#
-# Written and maintained by Michal Zalewski <lcamtuf@google.com>
-# 
-# Copyright 2013, 2014, 2015, 2016, 2017 Google Inc. All rights reserved.
-# 
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at:
-# 
-#   http://www.apache.org/licenses/LICENSE-2.0
-#
+all:
+	@echo trying to use GNU make...
+	@gmake all || echo please install GNUmake
 
-PROGNAME    = afl
-VERSION     = $(shell grep '^\#define VERSION ' config.h | cut -d '"' -f2)
+source-only:
+	@gmake source-only
 
-PREFIX     ?= /usr/local
-BIN_PATH    = $(PREFIX)/bin
-HELPER_PATH = $(PREFIX)/lib/afl
-DOC_PATH    = $(PREFIX)/share/doc/afl
-MISC_PATH   = $(PREFIX)/share/afl
+binary-only:
+	@gmake binary-only
 
-# PROGS intentionally omit afl-as, which gets installed elsewhere.
+distrib:
+	@gmake distrib
 
-PROGS       = afl-gcc afl-fuzz afl-showmap afl-tmin afl-gotcpu afl-analyze
-SH_PROGS    = afl-plot afl-cmin afl-whatsup afl-system-config
+man:
+	@gmake man
 
-CFLAGS     ?= -O3 -funroll-loops
-CFLAGS     += -Wall -D_FORTIFY_SOURCE=2 -g -Wno-pointer-sign \
-	      -DAFL_PATH=\"$(HELPER_PATH)\" -DDOC_PATH=\"$(DOC_PATH)\" \
-	      -DBIN_PATH=\"$(BIN_PATH)\"
+install:
+	@gmake install
 
-ifneq "$(filter Linux GNU%,$(shell uname))" ""
-  LDFLAGS  += -ldl
-endif
+document:
+	@gmake document
 
-ifeq "$(findstring clang, $(shell $(CC) --version 2>/dev/null))" ""
-  TEST_CC   = afl-gcc
-else
-  TEST_CC   = afl-clang
-endif
+deepclean:
+	@gmake deepclean
 
-COMM_HDR    = alloc-inl.h config.h debug.h types.h
+code-format:
+	@gmake code-format
 
-all: test_x86 $(PROGS) afl-as test_build all_done
+help:
+	@gmake help
 
-ifndef AFL_NO_X86
+tests:
+	@gmake tests
 
-test_x86:
-	@echo "[*] Checking for the ability to compile x86 code..."
-	@echo 'main() { __asm__("xorb %al, %al"); }' | $(CC) -w -x c - -o .test || ( echo; echo "Oops, looks like your compiler can't generate x86 code."; echo; echo "Don't panic! You can use the LLVM or QEMU mode, but see docs/INSTALL first."; echo "(To ignore this error, set AFL_NO_X86=1 and try again.)"; echo; exit 1 )
-	@rm -f .test
-	@echo "[+] Everything seems to be working, ready to compile."
+unit:
+	@gmake unit
 
-else
-
-test_x86:
-	@echo "[!] Note: skipping x86 compilation checks (AFL_NO_X86 set)."
-
-endif
-
-afl-gcc: afl-gcc.c $(COMM_HDR) | test_x86
-	$(CC) $(CFLAGS) $@.c -o $@ $(LDFLAGS)
-	set -e; for i in afl-g++ afl-clang afl-clang++; do ln -sf afl-gcc $$i; done
-
-afl-as: afl-as.c afl-as.h $(COMM_HDR) | test_x86
-	$(CC) $(CFLAGS) $@.c -o $@ $(LDFLAGS)
-	ln -sf afl-as as
-
-afl-fuzz: afl-fuzz.c $(COMM_HDR) | test_x86
-	$(CC) $(CFLAGS) $@.c -o $@ $(LDFLAGS)
-
-afl-showmap: afl-showmap.c $(COMM_HDR) | test_x86
-	$(CC) $(CFLAGS) $@.c -o $@ $(LDFLAGS)
-
-afl-tmin: afl-tmin.c $(COMM_HDR) | test_x86
-	$(CC) $(CFLAGS) $@.c -o $@ $(LDFLAGS)
-
-afl-analyze: afl-analyze.c $(COMM_HDR) | test_x86
-	$(CC) $(CFLAGS) $@.c -o $@ $(LDFLAGS)
-
-afl-gotcpu: afl-gotcpu.c $(COMM_HDR) | test_x86
-	$(CC) $(CFLAGS) $@.c -o $@ $(LDFLAGS)
-
-ifndef AFL_NO_X86
-
-test_build: afl-gcc afl-as afl-showmap
-	@echo "[*] Testing the CC wrapper and instrumentation output..."
-	unset AFL_USE_ASAN AFL_USE_MSAN; AFL_QUIET=1 AFL_INST_RATIO=100 AFL_PATH=. ./$(TEST_CC) $(CFLAGS) test-instr.c -o test-instr $(LDFLAGS)
-	echo 0 | ./afl-showmap -m none -q -o .test-instr0 ./test-instr
-	echo 1 | ./afl-showmap -m none -q -o .test-instr1 ./test-instr
-	@rm -f test-instr
-	@cmp -s .test-instr0 .test-instr1; DR="$$?"; rm -f .test-instr0 .test-instr1; if [ "$$DR" = "0" ]; then echo; echo "Oops, the instrumentation does not seem to be behaving correctly!"; echo; echo "Please ping <lcamtuf@google.com> to troubleshoot the issue."; echo; exit 1; fi
-	@echo "[+] All right, the instrumentation seems to be working!"
-
-else
-
-test_build: afl-gcc afl-as afl-showmap
-	@echo "[!] Note: skipping build tests (you may need to use LLVM or QEMU mode)."
-
-endif
-
-all_done: test_build
-	@if [ ! "`which clang 2>/dev/null`" = "" ]; then echo "[+] LLVM users: see llvm_mode/README.llvm for a faster alternative to afl-gcc."; fi
-	@echo "[+] All done! Be sure to review README - it's pretty short and useful."
-	@if [ "`uname`" = "Darwin" ]; then printf "\nWARNING: Fuzzing on MacOS X is slow because of the unusually high overhead of\nfork() on this OS. Consider using Linux or *BSD. You can also use VirtualBox\n(virtualbox.org) to put AFL inside a Linux or *BSD VM.\n\n"; fi
-	@! tty <&1 >/dev/null || printf "\033[0;30mNOTE: If you can read this, your terminal probably uses white background.\nThis will make the UI hard to read. See docs/status_screen.txt for advice.\033[0m\n" 2>/dev/null
-
-.NOTPARALLEL: clean
+unit_clean:
+	@gmake unit_clean
 
 clean:
-	rm -f $(PROGS) afl-as as afl-g++ afl-clang afl-clang++ *.o *~ a.out core core.[1-9][0-9]* *.stackdump test .test test-instr .test-instr0 .test-instr1 qemu_mode/qemu-2.10.0.tar.bz2 afl-qemu-trace
-	rm -rf out_dir qemu_mode/qemu-2.10.0
-	$(MAKE) -C llvm_mode clean
-	$(MAKE) -C libdislocator clean
-	$(MAKE) -C libtokencap clean
-
-install: all
-	mkdir -p -m 755 $${DESTDIR}$(BIN_PATH) $${DESTDIR}$(HELPER_PATH) $${DESTDIR}$(DOC_PATH) $${DESTDIR}$(MISC_PATH)
-	rm -f $${DESTDIR}$(BIN_PATH)/afl-plot.sh
-	install -m 755 $(PROGS) $(SH_PROGS) $${DESTDIR}$(BIN_PATH)
-	rm -f $${DESTDIR}$(BIN_PATH)/afl-as
-	if [ -f afl-qemu-trace ]; then install -m 755 afl-qemu-trace $${DESTDIR}$(BIN_PATH); fi
-ifndef AFL_TRACE_PC
-	if [ -f afl-clang-fast -a -f afl-llvm-pass.so -a -f afl-llvm-rt.o ]; then set -e; install -m 755 afl-clang-fast $${DESTDIR}$(BIN_PATH); ln -sf afl-clang-fast $${DESTDIR}$(BIN_PATH)/afl-clang-fast++; install -m 755 afl-llvm-pass.so afl-llvm-rt.o $${DESTDIR}$(HELPER_PATH); fi
-else
-	if [ -f afl-clang-fast -a -f afl-llvm-rt.o ]; then set -e; install -m 755 afl-clang-fast $${DESTDIR}$(BIN_PATH); ln -sf afl-clang-fast $${DESTDIR}$(BIN_PATH)/afl-clang-fast++; install -m 755 afl-llvm-rt.o $${DESTDIR}$(HELPER_PATH); fi
-endif
-	if [ -f afl-llvm-rt-32.o ]; then set -e; install -m 755 afl-llvm-rt-32.o $${DESTDIR}$(HELPER_PATH); fi
-	if [ -f afl-llvm-rt-64.o ]; then set -e; install -m 755 afl-llvm-rt-64.o $${DESTDIR}$(HELPER_PATH); fi
-	if [ -f compare-transform-pass.so ]; then set -e; install -m 755 compare-transform-pass.so $${DESTDIR}$(HELPER_PATH); fi
-	if [ -f split-compares-pass.so ]; then set -e; install -m 755 split-compares-pass.so $${DESTDIR}$(HELPER_PATH); fi
-	if [ -f split-switches-pass.so ]; then set -e; install -m 755 split-switches-pass.so $${DESTDIR}$(HELPER_PATH); fi
-
-	set -e; for i in afl-g++ afl-clang afl-clang++; do ln -sf afl-gcc $${DESTDIR}$(BIN_PATH)/$$i; done
-	install -m 755 afl-as $${DESTDIR}$(HELPER_PATH)
-	ln -sf afl-as $${DESTDIR}$(HELPER_PATH)/as
-	install -m 644 docs/README docs/ChangeLog docs/*.txt $${DESTDIR}$(DOC_PATH)
-	cp -r testcases/ $${DESTDIR}$(MISC_PATH)
-	cp -r dictionaries/ $${DESTDIR}$(MISC_PATH)
-
-publish: clean
-	test "`basename $$PWD`" = "afl" || exit 1
-	test -f ~/www/afl/releases/$(PROGNAME)-$(VERSION).tgz; if [ "$$?" = "0" ]; then echo; echo "Change program version in config.h, mmkay?"; echo; exit 1; fi
-	cd ..; rm -rf $(PROGNAME)-$(VERSION); cp -pr $(PROGNAME) $(PROGNAME)-$(VERSION); \
-	  tar -cvz -f ~/www/afl/releases/$(PROGNAME)-$(VERSION).tgz $(PROGNAME)-$(VERSION)
-	chmod 644 ~/www/afl/releases/$(PROGNAME)-$(VERSION).tgz
-	( cd ~/www/afl/releases/; ln -s -f $(PROGNAME)-$(VERSION).tgz $(PROGNAME)-latest.tgz )
-	cat docs/README >~/www/afl/README.txt
-	cat docs/status_screen.txt >~/www/afl/status_screen.txt
-	cat docs/historical_notes.txt >~/www/afl/historical_notes.txt
-	cat docs/technical_details.txt >~/www/afl/technical_details.txt
-	cat docs/ChangeLog >~/www/afl/ChangeLog.txt
-	cat docs/QuickStartGuide.txt >~/www/afl/QuickStartGuide.txt
-	echo -n "$(VERSION)" >~/www/afl/version.txt
+	@gmake clean

PATCHES

@@ -1 +0,0 @@
-docs/PATCHES

QuickStartGuide.txt

@@ -1 +0,0 @@
-docs/QuickStartGuide.txt

README

@@ -1 +0,0 @@
-docs/README

README.md

@@ -0,0 +1,260 @@
+# American Fuzzy Lop plus plus (AFL++)
+
+<img align="right" src="https://raw.githubusercontent.com/AFLplusplus/Website/main/static/aflpp_bg.svg" alt="AFL++ logo" width="250" heigh="250">
+
+Release version: [4.10c](https://github.com/AFLplusplus/AFLplusplus/releases)
+
+GitHub version: 4.10c
+
+Repository:
+[https://github.com/AFLplusplus/AFLplusplus](https://github.com/AFLplusplus/AFLplusplus)
+
+AFL++ is maintained by:
+
+* Marc "van Hauser" Heuse <mh@mh-sec.de>
+* Dominik Maier <mail@dmnk.co>
+* Andrea Fioraldi <andreafioraldi@gmail.com>
+* Heiko "hexcoder-" Eissfeldt <heiko.eissfeldt@hexco.de>
+* frida_mode is maintained by @Worksbutnottested
+* Documentation: Jana Aydinbas <jana.aydinbas@gmail.com>
+
+Originally developed by Michal "lcamtuf" Zalewski.
+
+AFL++ is a superior fork to Google's AFL - more speed, more and better
+mutations, more and better instrumentation, custom module support, etc.
+
+You are free to copy, modify, and distribute AFL++ with attribution under the
+terms of the Apache-2.0 License. See the [LICENSE](LICENSE) for details.
+
+## Getting started
+
+Here is some information to get you started:
+
+* For an overview of the AFL++ documentation and a very helpful graphical guide,
+  please visit [docs/README.md](docs/README.md).
+* To get you started with tutorials, go to
+  [docs/tutorials.md](docs/tutorials.md).
+* For releases, see the
+  [Releases tab](https://github.com/AFLplusplus/AFLplusplus/releases) and
+  [branches](#branches). The best branches to use are, however, `stable` or
+  `dev` - depending on your risk appetite. Also take a look at the list of
+  [important changes in AFL++](docs/important_changes.md) and the list of
+  [features](docs/features.md).
+* If you want to use AFL++ for your academic work, check the
+  [papers page](https://aflplus.plus/papers/) on the website.
+* To cite our work, look at the [Cite](#cite) section.
+* For comparisons, use the fuzzbench `aflplusplus` setup, or use
+  `afl-clang-fast` with `AFL_LLVM_CMPLOG=1`. You can find the `aflplusplus`
+  default configuration on Google's
+  [fuzzbench](https://github.com/google/fuzzbench/tree/master/fuzzers/aflplusplus).
+
+## Building and installing AFL++
+
+To have AFL++ easily available with everything compiled, pull the image directly
+from the Docker Hub (available for both x86_64 and arm64):
+
+```shell
+docker pull aflplusplus/aflplusplus
+docker run -ti -v /location/of/your/target:/src aflplusplus/aflplusplus
+```
+
+This image is automatically published when a push to the stable branch happens
+(see [branches](#branches)). If you use the command above, you will find your
+target source code in `/src` in the container.
+
+Note: you can also pull `aflplusplus/aflplusplus:dev` which is the most current
+development state of AFL++.
+
+To build AFL++ yourself - *which we recommend* - continue at
+[docs/INSTALL.md](docs/INSTALL.md).
+
+## Quick start: Fuzzing with AFL++
+
+*NOTE: Before you start, please read about the
+[common sense risks of fuzzing](docs/fuzzing_in_depth.md#0-common-sense-risks).*
+
+This is a quick start for fuzzing targets with the source code available. To
+read about the process in detail, see
+[docs/fuzzing_in_depth.md](docs/fuzzing_in_depth.md).
+
+To learn about fuzzing other targets, see:
+* Binary-only targets:
+  [docs/fuzzing_binary-only_targets.md](docs/fuzzing_binary-only_targets.md)
+* Network services:
+  [docs/best_practices.md#fuzzing-a-network-service](docs/best_practices.md#fuzzing-a-network-service)
+* GUI programs:
+  [docs/best_practices.md#fuzzing-a-gui-program](docs/best_practices.md#fuzzing-a-gui-program)
+
+Step-by-step quick start:
+
+1. Compile the program or library to be fuzzed using `afl-cc`. A common way to
+   do this would be:
+
+   ```
+   CC=/path/to/afl-cc CXX=/path/to/afl-c++ ./configure --disable-shared
+   make clean all
+   ```
+
+2. Get a small but valid input file that makes sense to the program. When
+   fuzzing verbose syntax (SQL, HTTP, etc.), create a dictionary as described in
+   [dictionaries/README.md](dictionaries/README.md), too.
+
+3. If the program reads from stdin, run `afl-fuzz` like so:
+
+   ```
+   ./afl-fuzz -i seeds_dir -o output_dir -- \
+   /path/to/tested/program [...program's cmdline...]
+   ```
+
+   To add a dictionary, add `-x /path/to/dictionary.txt` to afl-fuzz.
+
+   If the program takes input from a file, you can put `@@` in the program's
+   command line; AFL++ will put an auto-generated file name in there for you.
+
+4. Investigate anything shown in red in the fuzzer UI by promptly consulting
+   [docs/afl-fuzz_approach.md#understanding-the-status-screen](docs/afl-fuzz_approach.md#understanding-the-status-screen).
+
+5. You will find found crashes and hangs in the subdirectories `crashes/` and
+   `hangs/` in the `-o output_dir` directory. You can replay the crashes by
+   feeding them to the target, e.g. if your target is using stdin:
+
+   ```
+   cat output_dir/crashes/id:000000,* | /path/to/tested/program [...program's cmdline...]
+   ```
+
+   You can generate cores or use gdb directly to follow up the crashes.
+
+6. We cannot stress this enough - if you want to fuzz effectively, read the
+   [docs/fuzzing_in_depth.md](docs/fuzzing_in_depth.md) document!
+
+## Contact
+
+Questions? Concerns? Bug reports?
+
+* The contributors can be reached via (e.g., by creating an issue):
+  [https://github.com/AFLplusplus/AFLplusplus](https://github.com/AFLplusplus/AFLplusplus).
+* Take a look at our [FAQ](docs/FAQ.md). If you find an interesting or important
+  question missing, submit it via
+  [https://github.com/AFLplusplus/AFLplusplus/discussions](https://github.com/AFLplusplus/AFLplusplus/discussions).
+* Best: join the [Awesome Fuzzing](https://discord.gg/gCraWct) Discord server.
+* There is a (not really used) mailing list for the AFL/AFL++ project
+  ([browse archive](https://groups.google.com/group/afl-users)). To compare
+  notes with other users or to get notified about major new features, send an
+  email to <afl-users+subscribe@googlegroups.com>, but note that this is not
+  managed by us.
+
+## Branches
+
+The following branches exist:
+
+* [release](https://github.com/AFLplusplus/AFLplusplus/tree/release): the latest
+  release
+* [stable/trunk](https://github.com/AFLplusplus/AFLplusplus/): stable state of
+  AFL++ - it is synced from dev from time to time when we are satisfied with its
+  stability
+* [dev](https://github.com/AFLplusplus/AFLplusplus/tree/dev): development state
+  of AFL++ - bleeding edge and you might catch a checkout which does not compile
+  or has a bug. **We only accept PRs (pull requests) for the 'dev' branch!**
+* (any other): experimental branches to work on specific features or testing new
+  functionality or changes.
+
+## Help wanted
+
+We have several [ideas](docs/ideas.md) we would like to see in AFL++ to make it
+even better. However, we already work on so many things that we do not have the
+time for all the big ideas.
+
+This can be your way to support and contribute to AFL++ - extend it to do
+something cool.
+
+For everyone who wants to contribute (and send pull requests), please read our
+[contributing guidelines](CONTRIBUTING.md) before you submit.
+
+## Special thanks
+
+Many of the improvements to the original AFL and AFL++ wouldn't be possible
+without feedback, bug reports, or patches from our contributors.
+
+Thank you! (For people sending pull requests - please add yourself to this list
+:-)
+
+<details>
+
+  <summary>List of contributors</summary>
+
+  ```
+    Jann Horn                             Hanno Boeck
+    Felix Groebert                        Jakub Wilk
+    Richard W. M. Jones                   Alexander Cherepanov
+    Tom Ritter                            Hovik Manucharyan
+    Sebastian Roschke                     Eberhard Mattes
+    Padraig Brady                         Ben Laurie
+    @dronesec                             Luca Barbato
+    Tobias Ospelt                         Thomas Jarosch
+    Martin Carpenter                      Mudge Zatko
+    Joe Zbiciak                           Ryan Govostes
+    Michael Rash                          William Robinet
+    Jonathan Gray                         Filipe Cabecinhas
+    Nico Weber                            Jodie Cunningham
+    Andrew Griffiths                      Parker Thompson
+    Jonathan Neuschaefer                  Tyler Nighswander
+    Ben Nagy                              Samir Aguiar
+    Aidan Thornton                        Aleksandar Nikolich
+    Sam Hakim                             Laszlo Szekeres
+    David A. Wheeler                      Turo Lamminen
+    Andreas Stieger                       Richard Godbee
+    Louis Dassy                           teor2345
+    Alex Moneger                          Dmitry Vyukov
+    Keegan McAllister                     Kostya Serebryany
+    Richo Healey                          Martijn Bogaard
+    rc0r                                  Jonathan Foote
+    Christian Holler                      Dominique Pelle
+    Jacek Wielemborek                     Leo Barnes
+    Jeremy Barnes                         Jeff Trull
+    Guillaume Endignoux                   ilovezfs
+    Daniel Godas-Lopez                    Franjo Ivancic
+    Austin Seipp                          Daniel Komaromy
+    Daniel Binderman                      Jonathan Metzman
+    Vegard Nossum                         Jan Kneschke
+    Kurt Roeckx                           Marcel Boehme
+    Van-Thuan Pham                        Abhik Roychoudhury
+    Joshua J. Drake                       Toby Hutton
+    Rene Freingruber                      Sergey Davidoff
+    Sami Liedes                           Craig Young
+    Andrzej Jackowski                     Daniel Hodson
+    Nathan Voss                           Dominik Maier
+    Andrea Biondo                         Vincent Le Garrec
+    Khaled Yakdan                         Kuang-che Wu
+    Josephine Calliotte                   Konrad Welc
+    Thomas Rooijakkers                    David Carlier
+    Ruben ten Hove                        Joey Jiao
+    fuzzah                                @intrigus-lgtm
+    Yaakov Saxon                          Sergej Schumilo
+  ```
+
+</details>
+
+## Cite
+
+If you use AFL++ in scientific work, consider citing
+[our paper](https://www.usenix.org/conference/woot20/presentation/fioraldi)
+presented at WOOT'20:
+
+    Andrea Fioraldi, Dominik Maier, Heiko Eißfeldt, and Marc Heuse. “AFL++: Combining incremental steps of fuzzing research”. In 14th USENIX Workshop on Offensive Technologies (WOOT 20). USENIX Association, Aug. 2020.
+
+<details>
+
+<summary>BibTeX</summary>
+
+  ```bibtex
+  @inproceedings {AFLplusplus-Woot20,
+  author = {Andrea Fioraldi and Dominik Maier and Heiko Ei{\ss}feldt and Marc Heuse},
+  title = {{AFL++}: Combining Incremental Steps of Fuzzing Research},
+  booktitle = {14th {USENIX} Workshop on Offensive Technologies ({WOOT} 20)},
+  year = {2020},
+  publisher = {{USENIX} Association},
+  month = aug,
+  }
+  ```
+
+</details>

TODO.md

@@ -0,0 +1,49 @@
+# TODO list for AFL++
+
+## Must
+
+ - UI revamp
+ - hardened_usercopy=0 page_alloc.shuffle=0
+ - add value_profile but only enable after 15 minutes without finds
+ - cmplog max len, cmplog max items envs?
+ - adapt MOpt to new mutation engine
+   - Update afl->pending_not_fuzzed for MOpt
+ - cmplog rtn sanity check on fixed length? currently we ignore the length
+ - afl-showmap -f support
+ - afl-fuzz multicore wrapper script
+ - when trimming then perform crash detection
+ - problem: either -L0 and/or -p mmopt results in zero new coverage
+
+
+## Should
+
+ - afl-crash-analysis
+ - support persistent and deferred fork server in afl-showmap?
+ - better autodetection of shifting runtime timeout values
+ - afl-plot to support multiple plot_data
+ - parallel builds for source-only targets
+ - get rid of check_binary, replace with more forkserver communication
+ - first fuzzer should be a main automatically? not sure.
+
+## Maybe
+
+ - forkserver tells afl-fuzz if cmplog is supported and if so enable
+   it by default, with AFL_CMPLOG_NO=1 (?) set to skip?
+ - afl_custom_splice()
+ - cmdline option from-to range for mutations
+
+## Further down the road
+
+QEMU mode/FRIDA mode:
+ - non colliding instrumentation
+ - rename qemu specific envs to AFL_QEMU (AFL_ENTRYPOINT, AFL_CODE_START/END,
+   AFL_COMPCOV_LEVEL?)
+ - add AFL_QEMU_EXITPOINT (maybe multiple?)
+
+## Ideas
+
+ - LTO/sancov: write current edge to prev_loc and use that information when
+   using cmplog or __sanitizer_cov_trace_cmp*. maybe we can deduct by follow up
+   edge numbers that both following cmp paths have been found and then disable
+   working on this edge id -> cmplog_intelligence branch
+ - use cmplog colorization taint result for havoc locations?

afl-addseeds

@@ -0,0 +1,54 @@
+#!/bin/sh
+
+test -z "$1" -o "$1" = "-h" -o "$1" = "--help" && {
+  echo Syntax: afl-addseeds -o afl-out-dir [-i seed_file_or_dir] seed_file_or_seed_dir seed_file_or_seed_dir ...
+  echo
+  echo Options:
+  echo "  -o afl-out-dir       the output directory being used in the fuzzing campaign"
+  echo "  -i seed_file_or_dir  file or directory of files to add"
+  echo
+  echo Adds new seeds to an existing AFL++ fuzzing campaign.
+  exit 0
+}
+
+for TOOL in find ls; do
+  X=`which $TOOL`
+  test -n "$X" || { echo "Error: required tool '$TOOL' not found."; exit 1; }
+done
+
+TEST=`printf %06d 123 2>/dev/null`
+test "$TEST" = "000123" || { echo "Error: required tool 'printf' not found."; exit 1; }
+
+OUT=
+NEXT=
+for i in $*; do
+  test -n "$NEXT" && { OUT=$i ; NEXT=""; }
+  test "$i" = "-o" && { NEXT=1; }
+done
+
+test -d "$OUT" || { echo Error: $OUT is not an existing directory; exit 1; }
+OK=`ls $OUT/*/fuzzer_stats 2>/dev/null`
+test -n "$OK" || { echo "Error: $OUT is not an 'afl-fuzz -o ... ' output directory" ; exit 1; }
+
+OUTDIR=$OUT/addseeds/queue
+mkdir -p "$OUTDIR" 2>/dev/null
+test -d "$OUTDIR" || { echo Error: could not create $OUTDIR ; exit 1 ; }
+
+echo Adding seeds ...
+NEXTID=0
+for i in $*; do
+  test -z "$i" -o "$i" = "$OUT" -o "$i" = "-i" -o "$i" = "-o" || {
+    find "$i" -type f | while read FILE; do
+      N=xxx
+      while [ -n "$N" ]; do
+        ID=$NEXTID
+        N=`ls "$OUTDIR/id:$(printf %06d $ID),"* 2>/dev/null`
+        NEXTID=$(($NEXTID + 1))
+      done
+      FN=`echo "$FILE" | sed 's/.*\///'`
+      cp -v "$FILE" "$OUTDIR/id:$(printf %06d $ID),time:0,execs:0,orig:$FN"
+    done
+  }
+done
+
+echo Done.

afl-cmin.bash

@@ -0,0 +1,629 @@
+#!/usr/bin/env bash
+#
+# american fuzzy lop++ - corpus minimization tool
+# ---------------------------------------------
+#
+# Originally written by Michal Zalewski
+#
+# Copyright 2014, 2015 Google Inc. All rights reserved.
+#
+# Copyright 2019-2024 AFLplusplus
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#   https://www.apache.org/licenses/LICENSE-2.0
+#
+# This tool tries to find the smallest subset of files in the input directory
+# that still trigger the full range of instrumentation data points seen in
+# the starting corpus. This has two uses:
+#
+#   - Screening large corpora of input files before using them as a seed for
+#     afl-fuzz. The tool will remove functionally redundant files and likely
+#     leave you with a much smaller set.
+#
+#     (In this case, you probably also want to consider running afl-tmin on
+#     the individual files later on to reduce their size.)
+#
+#   - Minimizing the corpus generated organically by afl-fuzz, perhaps when
+#     planning to feed it to more resource-intensive tools. The tool achieves
+#     this by removing all entries that used to trigger unique behaviors in the
+#     past, but have been made obsolete by later finds.
+#
+# Note that the tool doesn't modify the files themselves. For that, you want
+# afl-tmin.
+#
+# This script must use bash because other shells may have hardcoded limits on
+# array sizes.
+#
+
+echo "corpus minimization tool for afl-fuzz"
+echo
+
+#########
+# SETUP #
+#########
+
+# Process command-line options...
+
+MEM_LIMIT=none
+TIMEOUT=5000
+
+unset IN_DIR OUT_DIR STDIN_FILE EXTRA_PAR MEM_LIMIT_GIVEN F_ARG \
+  AFL_CMIN_CRASHES_ONLY AFL_CMIN_ALLOW_ANY QEMU_MODE UNICORN_MODE T_ARG
+
+export AFL_QUIET=1
+
+while getopts "+i:o:f:m:t:T:eOQUAChXY" opt; do
+
+  case "$opt" in 
+
+    "h")
+	;;
+
+    "i")
+         IN_DIR="$OPTARG"
+         ;;
+
+    "o")
+         OUT_DIR="$OPTARG"
+         ;;
+    "f")
+         STDIN_FILE="$OPTARG"
+         F_ARG=1
+         ;;
+    "m")
+         MEM_LIMIT="$OPTARG"
+         MEM_LIMIT_GIVEN=1
+         ;;
+    "t")
+         TIMEOUT="$OPTARG"
+         ;;
+    "e")
+         EXTRA_PAR="$EXTRA_PAR -e"
+         ;;
+    "A")
+         export AFL_CMIN_ALLOW_ANY=1
+         ;;
+    "C")
+         export AFL_CMIN_CRASHES_ONLY=1
+         ;;
+    "O")
+         EXTRA_PAR="$EXTRA_PAR -O"
+         FRIDA_MODE=1
+         ;;         
+    "Q")
+         EXTRA_PAR="$EXTRA_PAR -Q"
+         QEMU_MODE=1
+         ;;
+    "Y")
+         EXTRA_PAR="$EXTRA_PAR -X"
+         NYX_MODE=1
+         ;;
+    "X")
+         EXTRA_PAR="$EXTRA_PAR -X"
+         NYX_MODE=1
+         ;;
+    "U")
+         EXTRA_PAR="$EXTRA_PAR -U"
+         UNICORN_MODE=1
+         ;;    
+    "T")
+         T_ARG="$OPTARG"
+         ;;
+    "?")
+         exit 1
+         ;;
+
+   esac
+
+done
+
+shift $((OPTIND-1))
+
+TARGET_BIN="$1"
+
+if [ "$TARGET_BIN" = "" -o "$IN_DIR" = "" -o "$OUT_DIR" = "" ]; then
+
+  cat 1>&2 <<_EOF_
+Usage: $0 [ options ] -- /path/to/target_app [ ... ]
+
+Required parameters:
+
+  -i dir        - input directory with the starting corpus
+  -o dir        - output directory for minimized files
+
+Execution control settings:
+
+  -T tasks      - how many parallel processes to create (default=1, "all"=nproc)
+  -f file       - location read by the fuzzed program (default: stdin)
+  -m megs       - memory limit for child process (default=$MEM_LIMIT MB)
+  -t msec       - run time limit for child process (default: 5000ms)
+  -O            - use binary-only instrumentation (FRIDA mode)
+  -Q            - use binary-only instrumentation (QEMU mode)
+  -U            - use unicorn-based instrumentation (Unicorn mode)
+  -X            - use Nyx mode
+  
+Minimization settings:
+
+  -A            - allow crashing and timeout inputs
+  -C            - keep crashing inputs, reject everything else
+  -e            - solve for edge coverage only, ignore hit counts
+
+For additional tips, please consult README.md.
+
+Environment variables used:
+AFL_KEEP_TRACES: leave the temporary <out_dir>\.traces directory
+AFL_NO_FORKSRV: run target via execve instead of using the forkserver
+AFL_PATH: last resort location to find the afl-showmap binary
+AFL_SKIP_BIN_CHECK: skip check for target binary
+AFL_CUSTOM_MUTATOR_LIBRARY: custom mutator library (post_process and send)
+AFL_PYTHON_MODULE: custom mutator library (post_process and send)
+_EOF_
+  exit 1
+fi
+
+# Do a sanity check to discourage the use of /tmp, since we can't really
+# handle this safely from a shell script.
+
+if [ "$AFL_ALLOW_TMP" = "" ]; then
+
+  echo "$IN_DIR" | grep -qE '^(/var)?/tmp/'
+  T1="$?"
+
+  echo "$TARGET_BIN" | grep -qE '^(/var)?/tmp/'
+  T2="$?"
+
+  echo "$OUT_DIR" | grep -qE '^(/var)?/tmp/'
+  T3="$?"
+
+  echo "$STDIN_FILE" | grep -qE '^(/var)?/tmp/'
+  T4="$?"
+
+  echo "$PWD" | grep -qE '^(/var)?/tmp/'
+  T5="$?"
+
+  if [ "$T1" = "0" -o "$T2" = "0" -o "$T3" = "0" -o "$T4" = "0" -o "$T5" = "0" ]; then
+    echo "[-] Warning: do not use this script in /tmp or /var/tmp for security reasons." 1>&2
+  fi
+
+fi
+
+# If @@ is specified, but there's no -f, let's come up with a temporary input
+# file name.
+
+TRACE_DIR="$OUT_DIR/.traces"
+
+if [ "$STDIN_FILE" = "" ]; then
+
+  if echo "$*" | grep -qF '@@'; then
+    STDIN_FILE="$TRACE_DIR/.cur_input"
+  fi
+
+fi
+
+# Check for obvious errors.
+
+if [ ! "$T_ARG" = "" -a -n "$F_ARG" -a ! "$NYX_MODE" == 1 ]; then
+  echo "[-] Error: -T and -f can not be used together." 1>&2
+  exit 1
+fi
+
+if [ ! "$MEM_LIMIT" = "none" ]; then
+
+  if [ "$MEM_LIMIT" -lt "5" ]; then
+    echo "[-] Error: dangerously low memory limit." 1>&2
+    exit 1
+  fi
+
+fi
+
+if [ ! "$TIMEOUT" = "none" ]; then
+
+  if [ "$TIMEOUT" -lt "10" ]; then
+    echo "[-] Error: dangerously low timeout." 1>&2
+    exit 1
+  fi
+
+fi
+
+if [ "$NYX_MODE" = "" ]; then
+  if [ ! -f "$TARGET_BIN" -o ! -x "$TARGET_BIN" ]; then
+
+    TNEW="`which "$TARGET_BIN" 2>/dev/null`"
+
+    if [ ! -f "$TNEW" -o ! -x "$TNEW" ]; then
+      echo "[-] Error: binary '$TARGET_BIN' not found or not executable." 1>&2
+      exit 1
+    fi
+
+    TARGET_BIN="$TNEW"
+
+  fi
+
+fi
+
+grep -aq AFL_DUMP_MAP_SIZE "$TARGET_BIN" && {
+  echo "[!] Trying to obtain the map size of the target ..."
+  MAPSIZE=`AFL_DUMP_MAP_SIZE=1 "./$TARGET_BIN" 2>/dev/null`
+  test -n "$MAPSIZE" && {
+    export AFL_MAP_SIZE=$MAPSIZE
+    echo "[+] Setting AFL_MAP_SIZE=$MAPSIZE"
+  }
+}
+
+if [ "$AFL_SKIP_BIN_CHECK" = "" -a "$QEMU_MODE" = "" -a "$FRIDA_MODE" = "" -a "$UNICORN_MODE" = "" -a "$NYX_MODE" = "" ]; then
+
+  if ! grep -qF "__AFL_SHM_ID" "$TARGET_BIN"; then
+    echo "[-] Error: binary '$TARGET_BIN' doesn't appear to be instrumented." 1>&2
+    exit 1
+  fi
+
+fi
+
+if [ ! -d "$IN_DIR" ]; then
+  echo "[-] Error: directory '$IN_DIR' not found." 1>&2
+  exit 1
+fi
+
+test -d "$IN_DIR/default" && IN_DIR="$IN_DIR/default"
+test -d "$IN_DIR/queue" && IN_DIR="$IN_DIR/queue"
+
+find "$OUT_DIR" -name 'id[:_]*' -maxdepth 1 -exec rm -- {} \; 2>/dev/null
+rm -rf "$TRACE_DIR" 2>/dev/null
+
+rmdir "$OUT_DIR" 2>/dev/null
+
+if [ -d "$OUT_DIR" ]; then
+  echo "[-] Error: directory '$OUT_DIR' exists and is not empty - delete it first." 1>&2
+  exit 1
+fi
+
+mkdir -m 700 -p "$TRACE_DIR" || exit 1
+
+if [ ! "$STDIN_FILE" = "" ]; then
+  rm -f "$STDIN_FILE" || exit 1
+  touch "$STDIN_FILE" || exit 1
+fi
+
+SHOWMAP=`command -v afl-showmap 2>/dev/null`
+
+if [ -z "$SHOWMAP" ]; then
+  TMP="${0%/afl-cmin.bash}/afl-showmap"
+  if [ -x "$TMP" ]; then
+    SHOWMAP=$TMP
+  fi
+fi
+
+if [ -z "$SHOWMAP" -a -x "./afl-showmap" ]; then
+  SHOWMAP="./afl-showmap"
+else
+  if [ -n "$AFL_PATH" ]; then
+    SHOWMAP="$AFL_PATH/afl-showmap"
+  fi
+fi
+
+if [ ! -x "$SHOWMAP" ]; then
+  echo "[-] Error: can't find 'afl-showmap' - please set AFL_PATH." 1>&2
+  rm -rf "$TRACE_DIR"
+  exit 1
+fi
+
+THREADS=
+if [ ! "$T_ARG" = "" ]; then
+  if [ "$T_ARG" = "all" ]; then
+    THREADS=$(nproc)
+  else
+    if [ "$T_ARG" -gt 1 -a "$T_ARG" -le "$(nproc)" ]; then
+      THREADS=$T_ARG
+    else
+      echo "[-] Error: -T parameter must between 2 and $(nproc) or \"all\"." 1>&2
+    fi
+  fi
+else
+  if [ -z "$F_ARG" ]; then
+    echo "[*] Are you aware of the '-T all' parallelize option that massively improves the speed?"
+  fi
+fi
+
+IN_COUNT=$((`ls -- "$IN_DIR" 2>/dev/null | wc -l`))
+
+if [ "$IN_COUNT" = "0" ]; then
+  echo "[-] Hmm, no inputs in the target directory. Nothing to be done."
+  rm -rf "$TRACE_DIR"
+  exit 1
+fi
+
+echo "[*] Are you aware that afl-cmin is faster than this afl-cmin.bash script?"
+echo "[+] Found $IN_COUNT files for minimizing."
+
+if [ -n "$THREADS" ]; then
+  if [ "$IN_COUNT" -lt "$THREADS" ]; then
+    THREADS=$IN_COUNT
+    echo "[!] WARNING: less inputs than threads, reducing threads to $THREADS and likely the overhead of threading makes things slower..."
+  fi
+fi
+
+FIRST_FILE=`ls "$IN_DIR" | head -1`
+
+# Make sure that we're not dealing with a directory.
+
+if [ -d "$IN_DIR/$FIRST_FILE" ]; then
+  echo "[-] Error: The target directory contains subdirectories - please fix." 1>&2
+  rm -rf "$TRACE_DIR"
+  exit 1
+fi
+
+# Check for the more efficient way to copy files...
+
+if ln "$IN_DIR/$FIRST_FILE" "$TRACE_DIR/.link_test" 2>/dev/null; then
+  CP_TOOL=ln
+else
+  CP_TOOL=cp
+fi
+
+# Make sure that we can actually get anything out of afl-showmap before we
+# waste too much time.
+
+echo "[*] Testing the target binary..."
+
+if [ "$STDIN_FILE" = "" ]; then
+
+  AFL_CMIN_ALLOW_ANY=1 "$SHOWMAP" -m "$MEM_LIMIT" -t "$TIMEOUT" -o "$TRACE_DIR/.run_test" -Z $EXTRA_PAR -- "$@" <"$IN_DIR/$FIRST_FILE"
+
+else
+
+  cp "$IN_DIR/$FIRST_FILE" "$STDIN_FILE"
+  AFL_CMIN_ALLOW_ANY=1 "$SHOWMAP" -m "$MEM_LIMIT" -t "$TIMEOUT" -o "$TRACE_DIR/.run_test" -Z $EXTRA_PAR -H "$STDIN_FILE" -- "$@" </dev/null
+
+fi
+
+FIRST_COUNT=$((`grep -c . "$TRACE_DIR/.run_test"`))
+
+if [ "$FIRST_COUNT" -gt "0" ]; then
+
+  echo "[+] OK, $FIRST_COUNT tuples recorded."
+
+else
+
+  echo "[-] Error: no instrumentation output detected (perhaps crash or timeout)." 1>&2
+  test "$AFL_KEEP_TRACES" = "" && rm -rf "$TRACE_DIR"
+  exit 1
+
+fi
+
+TMPFILE=$OUT_DIR/.list.$$
+if [ ! "$THREADS" = "" ]; then
+  ls -- "$IN_DIR" > $TMPFILE 2>/dev/null
+  IN_COUNT=$(cat $TMPFILE | wc -l)
+  SPLIT=$(($IN_COUNT / $THREADS))
+  if [ "$(($IN_COUNT % $THREADS))" -gt 0 ]; then
+    SPLIT=$(($SPLIT + 1))
+  fi
+  echo "[+] Splitting workload into $THREADS tasks with $SPLIT items on average each."
+  split -l $SPLIT $TMPFILE $TMPFILE.
+fi
+
+# Let's roll!
+
+#############################
+# STEP 1: COLLECTING TRACES #
+#############################
+
+echo "[*] Obtaining traces for input files in '$IN_DIR'..."
+
+if [ "$THREADS" = "" ]; then
+(
+
+  CUR=0
+
+  if [ "$STDIN_FILE" = "" ]; then
+
+    ls "$IN_DIR" | while read -r fn; do
+
+      if [ -s "$IN_DIR/$fn" ]; then
+
+        CUR=$((CUR+1))
+        printf "\\r    Processing file $CUR/$IN_COUNT... "
+
+        "$SHOWMAP" -m "$MEM_LIMIT" -t "$TIMEOUT" -o "$TRACE_DIR/$fn" -Z $EXTRA_PAR -- "$@" <"$IN_DIR/$fn"
+      
+      fi
+
+    done
+
+  else
+
+    ls "$IN_DIR" | while read -r fn; do
+
+      if [ -s "$IN_DIR/$fn" ]; then
+
+        CUR=$((CUR+1))
+        printf "\\r    Processing file $CUR/$IN_COUNT... "
+
+        cp "$IN_DIR/$fn" "$STDIN_FILE"
+        "$SHOWMAP" -m "$MEM_LIMIT" -t "$TIMEOUT" -o "$TRACE_DIR/$fn" -Z $EXTRA_PAR -H "$STDIN_FILE" -- "$@" </dev/null
+
+      fi
+
+    done
+
+  fi
+
+  echo
+
+)
+
+else
+
+  PIDS=
+  CNT=0
+  for inputs in $(ls ${TMPFILE}.*); do
+
+(
+
+  if [ "$STDIN_FILE" = "" ]; then
+
+    cat $inputs | while read -r fn; do
+
+      if [ -s "$IN_DIR/$fn" ]; then
+
+        "$SHOWMAP" -m "$MEM_LIMIT" -t "$TIMEOUT" -o "$TRACE_DIR/$fn" -Z $EXTRA_PAR -- "$@" <"$IN_DIR/$fn"
+
+      fi
+
+    done
+
+  else
+
+    if [ -s "$IN_DIR/$fn" ]; then
+      STDIN_FILE="$inputs.$$"
+      cat $inputs | while read -r fn; do
+
+        cp "$IN_DIR/$fn" "$STDIN_FILE"
+        "$SHOWMAP" -m "$MEM_LIMIT" -t "$TIMEOUT" -o "$TRACE_DIR/$fn" -Z $EXTRA_PAR -H "$STDIN_FILE" -- "$@" </dev/null
+
+      done
+
+    fi
+
+  fi
+
+) &
+
+  PIDS="$PIDS $!"
+  done
+
+  echo "[+] Waiting for running tasks IDs:$PIDS"
+  wait
+  echo "[+] all $THREADS running tasks completed."
+  rm -f ${TMPFILE}*
+
+  #echo trace dir files: $(ls $TRACE_DIR/*|wc -l)
+
+fi
+
+
+##########################
+# STEP 2: SORTING TUPLES #
+##########################
+
+# With this out of the way, we sort all tuples by popularity across all
+# datasets. The reasoning here is that we won't be able to avoid the files
+# that trigger unique tuples anyway, so we will want to start with them and
+# see what's left.
+
+echo "[*] Sorting trace sets (this may take a while)..."
+
+ls "$IN_DIR" | sed "s#^#$TRACE_DIR/#" | tr '\n' '\0' | xargs -0 -n 1 cat | \
+  sort | uniq -c | sort -k 1,1 -n >"$TRACE_DIR/.all_uniq"
+
+TUPLE_COUNT=$((`grep -c . "$TRACE_DIR/.all_uniq"`))
+
+echo "[+] Found $TUPLE_COUNT unique tuples across $IN_COUNT files."
+
+#####################################
+# STEP 3: SELECTING CANDIDATE FILES #
+#####################################
+
+# The next step is to find the best candidate for each tuple. The "best"
+# part is understood simply as the smallest input that includes a particular
+# tuple in its trace. Empirical evidence suggests that this produces smaller
+# datasets than more involved algorithms that could be still pulled off in
+# a shell script.
+
+echo "[*] Finding best candidates for each tuple..."
+
+CUR=0
+
+ls -rS "$IN_DIR" | while read -r fn; do
+
+  CUR=$((CUR+1))
+  printf "\\r    Processing file $CUR/$IN_COUNT... "
+
+  sed "s#\$# $fn#" "$TRACE_DIR/$fn" >>"$TRACE_DIR/.candidate_list"
+
+  test -s "$TRACE_DIR/$fn" || echo Warning: $fn is ignored because of crashing the target
+
+done
+
+echo
+
+##############################
+# STEP 4: LOADING CANDIDATES #
+##############################
+
+# At this point, we have a file of tuple-file pairs, sorted by file size
+# in ascending order (as a consequence of ls -rS). By doing sort keyed
+# only by tuple (-k 1,1) and configured to output only the first line for
+# every key (-s -u), we end up with the smallest file for each tuple.
+
+echo "[*] Sorting candidate list (be patient)..."
+
+sort -k1,1 -s -u "$TRACE_DIR/.candidate_list" | \
+  sed 's/^/BEST_FILE[/;s/ /]="/;s/$/"/' >"$TRACE_DIR/.candidate_script"
+
+if [ ! -s "$TRACE_DIR/.candidate_script" ]; then
+  echo "[-] Error: no traces obtained from test cases, check syntax!" 1>&2
+  test "$AFL_KEEP_TRACES" = "" && rm -rf "$TRACE_DIR"
+  exit 1
+fi
+
+# The sed command converted the sorted list to a shell script that populates
+# BEST_FILE[tuple]="fname". Let's load that!
+
+. "$TRACE_DIR/.candidate_script"
+
+##########################
+# STEP 5: WRITING OUTPUT #
+##########################
+
+# The final trick is to grab the top pick for each tuple, unless said tuple is
+# already set due to the inclusion of an earlier candidate; and then put all
+# tuples associated with the newly-added file to the "already have" list. The
+# loop works from least popular tuples and toward the most common ones.
+
+echo "[*] Processing candidates and writing output files..."
+
+CUR=0
+
+touch "$TRACE_DIR/.already_have"
+
+while read -r cnt tuple; do
+
+  CUR=$((CUR+1))
+  printf "\\r    Processing tuple $CUR/$TUPLE_COUNT with count $cnt... "
+
+  # If we already have this tuple, skip it.
+
+  grep -q "^$tuple\$" "$TRACE_DIR/.already_have" && continue
+
+  FN=${BEST_FILE[tuple]}
+
+#  echo "tuple nr $CUR ($tuple cnt=$cnt) -> $FN" >> "$TRACE_DIR/.log"
+  $CP_TOOL "$IN_DIR/$FN" "$OUT_DIR/$FN"
+
+  if [ "$((CUR % 5))" = "0" ]; then
+    sort -u "$TRACE_DIR/$FN" "$TRACE_DIR/.already_have" >"$TRACE_DIR/.tmp"
+    mv -f "$TRACE_DIR/.tmp" "$TRACE_DIR/.already_have"
+  else
+    cat "$TRACE_DIR/$FN" >>"$TRACE_DIR/.already_have"
+  fi
+
+done <"$TRACE_DIR/.all_uniq"
+
+echo
+
+OUT_COUNT=`ls -- "$OUT_DIR" | wc -l`
+
+if [ "$OUT_COUNT" = "1" ]; then
+  echo "[!] WARNING: All test cases had the same traces, check syntax!"
+fi
+
+echo "[+] Narrowed down to $OUT_COUNT files, saved in '$OUT_DIR'."
+echo
+
+test "$AFL_KEEP_TRACES" = "" && rm -rf "$TRACE_DIR"
+
+exit 0

afl-gcc.c

@@ -1,338 +0,0 @@
-/*
-   american fuzzy lop - wrapper for GCC and clang
-   ----------------------------------------------
-
-   Written and maintained by Michal Zalewski <lcamtuf@google.com>
-
-   Copyright 2013, 2014, 2015 Google Inc. All rights reserved.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at:
-
-     http://www.apache.org/licenses/LICENSE-2.0
-
-   This program is a drop-in replacement for GCC or clang. The most common way
-   of using it is to pass the path to afl-gcc or afl-clang via CC when invoking
-   ./configure.
-
-   (Of course, use CXX and point it to afl-g++ / afl-clang++ for C++ code.)
-
-   The wrapper needs to know the path to afl-as (renamed to 'as'). The default
-   is /usr/local/lib/afl/. A convenient way to specify alternative directories
-   would be to set AFL_PATH.
-
-   If AFL_HARDEN is set, the wrapper will compile the target app with various
-   hardening options that may help detect memory management issues more
-   reliably. You can also specify AFL_USE_ASAN to enable ASAN.
-
-   If you want to call a non-default compiler as a next step of the chain,
-   specify its location via AFL_CC or AFL_CXX.
-
- */
-
-#define AFL_MAIN
-
-#include "config.h"
-#include "types.h"
-#include "debug.h"
-#include "alloc-inl.h"
-
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-
-static u8*  as_path;                /* Path to the AFL 'as' wrapper      */
-static u8** cc_params;              /* Parameters passed to the real CC  */
-static u32  cc_par_cnt = 1;         /* Param count, including argv0      */
-static u8   be_quiet,               /* Quiet mode                        */
-            clang_mode;             /* Invoked as afl-clang*?            */
-
-
-/* Try to find our "fake" GNU assembler in AFL_PATH or at the location derived
-   from argv[0]. If that fails, abort. */
-
-static void find_as(u8* argv0) {
-
-  u8 *afl_path = getenv("AFL_PATH");
-  u8 *slash, *tmp;
-
-  if (afl_path) {
-
-    tmp = alloc_printf("%s/as", afl_path);
-
-    if (!access(tmp, X_OK)) {
-      as_path = afl_path;
-      ck_free(tmp);
-      return;
-    }
-
-    ck_free(tmp);
-
-  }
-
-  slash = strrchr(argv0, '/');
-
-  if (slash) {
-
-    u8 *dir;
-
-    *slash = 0;
-    dir = ck_strdup(argv0);
-    *slash = '/';
-
-    tmp = alloc_printf("%s/afl-as", dir);
-
-    if (!access(tmp, X_OK)) {
-      as_path = dir;
-      ck_free(tmp);
-      return;
-    }
-
-    ck_free(tmp);
-    ck_free(dir);
-
-  }
-
-  if (!access(AFL_PATH "/as", X_OK)) {
-    as_path = AFL_PATH;
-    return;
-  }
-
-  FATAL("Unable to find AFL wrapper binary for 'as'. Please set AFL_PATH");
- 
-}
-
-
-/* Copy argv to cc_params, making the necessary edits. */
-
-static void edit_params(u32 argc, char** argv) {
-
-  u8 fortify_set = 0, asan_set = 0;
-  u8 *name;
-
-#if defined(__FreeBSD__) && defined(__x86_64__)
-  u8 m32_set = 0;
-#endif
-
-  cc_params = ck_alloc((argc + 128) * sizeof(u8*));
-
-  name = strrchr(argv[0], '/');
-  if (!name) name = argv[0]; else name++;
-
-  if (!strncmp(name, "afl-clang", 9)) {
-
-    clang_mode = 1;
-
-    setenv(CLANG_ENV_VAR, "1", 1);
-
-    if (!strcmp(name, "afl-clang++")) {
-      u8* alt_cxx = getenv("AFL_CXX");
-      cc_params[0] = alt_cxx ? alt_cxx : (u8*)"clang++";
-    } else {
-      u8* alt_cc = getenv("AFL_CC");
-      cc_params[0] = alt_cc ? alt_cc : (u8*)"clang";
-    }
-
-  } else {
-
-    /* With GCJ and Eclipse installed, you can actually compile Java! The
-       instrumentation will work (amazingly). Alas, unhandled exceptions do
-       not call abort(), so afl-fuzz would need to be modified to equate
-       non-zero exit codes with crash conditions when working with Java
-       binaries. Meh. */
-
-#ifdef __APPLE__
-
-    if (!strcmp(name, "afl-g++")) cc_params[0] = getenv("AFL_CXX");
-    else if (!strcmp(name, "afl-gcj")) cc_params[0] = getenv("AFL_GCJ");
-    else cc_params[0] = getenv("AFL_CC");
-
-    if (!cc_params[0]) {
-
-      SAYF("\n" cLRD "[-] " cRST
-           "On Apple systems, 'gcc' is usually just a wrapper for clang. Please use the\n"
-           "    'afl-clang' utility instead of 'afl-gcc'. If you really have GCC installed,\n"
-           "    set AFL_CC or AFL_CXX to specify the correct path to that compiler.\n");
-
-      FATAL("AFL_CC or AFL_CXX required on MacOS X");
-
-    }
-
-#else
-
-    if (!strcmp(name, "afl-g++")) {
-      u8* alt_cxx = getenv("AFL_CXX");
-      cc_params[0] = alt_cxx ? alt_cxx : (u8*)"g++";
-    } else if (!strcmp(name, "afl-gcj")) {
-      u8* alt_cc = getenv("AFL_GCJ");
-      cc_params[0] = alt_cc ? alt_cc : (u8*)"gcj";
-    } else {
-      u8* alt_cc = getenv("AFL_CC");
-      cc_params[0] = alt_cc ? alt_cc : (u8*)"gcc";
-    }
-
-#endif /* __APPLE__ */
-
-  }
-
-  while (--argc) {
-    u8* cur = *(++argv);
-
-    if (!strncmp(cur, "-B", 2)) {
-
-      if (!be_quiet) WARNF("-B is already set, overriding");
-
-      if (!cur[2] && argc > 1) { argc--; argv++; }
-      continue;
-
-    }
-
-    if (!strcmp(cur, "-integrated-as")) continue;
-
-    if (!strcmp(cur, "-pipe")) continue;
-
-#if defined(__FreeBSD__) && defined(__x86_64__)
-    if (!strcmp(cur, "-m32")) m32_set = 1;
-#endif
-
-    if (!strcmp(cur, "-fsanitize=address") ||
-        !strcmp(cur, "-fsanitize=memory")) asan_set = 1;
-
-    if (strstr(cur, "FORTIFY_SOURCE")) fortify_set = 1;
-
-    cc_params[cc_par_cnt++] = cur;
-
-  }
-
-  cc_params[cc_par_cnt++] = "-B";
-  cc_params[cc_par_cnt++] = as_path;
-
-  if (clang_mode)
-    cc_params[cc_par_cnt++] = "-no-integrated-as";
-
-  if (getenv("AFL_HARDEN")) {
-
-    cc_params[cc_par_cnt++] = "-fstack-protector-all";
-
-    if (!fortify_set)
-      cc_params[cc_par_cnt++] = "-D_FORTIFY_SOURCE=2";
-
-  }
-
-  if (asan_set) {
-
-    /* Pass this on to afl-as to adjust map density. */
-
-    setenv("AFL_USE_ASAN", "1", 1);
-
-  } else if (getenv("AFL_USE_ASAN")) {
-
-    if (getenv("AFL_USE_MSAN"))
-      FATAL("ASAN and MSAN are mutually exclusive");
-
-    if (getenv("AFL_HARDEN"))
-      FATAL("ASAN and AFL_HARDEN are mutually exclusive");
-
-    cc_params[cc_par_cnt++] = "-U_FORTIFY_SOURCE";
-    cc_params[cc_par_cnt++] = "-fsanitize=address";
-
-  } else if (getenv("AFL_USE_MSAN")) {
-
-    if (getenv("AFL_USE_ASAN"))
-      FATAL("ASAN and MSAN are mutually exclusive");
-
-    if (getenv("AFL_HARDEN"))
-      FATAL("MSAN and AFL_HARDEN are mutually exclusive");
-
-    cc_params[cc_par_cnt++] = "-U_FORTIFY_SOURCE";
-    cc_params[cc_par_cnt++] = "-fsanitize=memory";
-
-
-  }
-
-  if (!getenv("AFL_DONT_OPTIMIZE")) {
-
-#if defined(__FreeBSD__) && defined(__x86_64__)
-
-    /* On 64-bit FreeBSD systems, clang -g -m32 is broken, but -m32 itself
-       works OK. This has nothing to do with us, but let's avoid triggering
-       that bug. */
-
-    if (!clang_mode || !m32_set)
-      cc_params[cc_par_cnt++] = "-g";
-
-#else
-
-      cc_params[cc_par_cnt++] = "-g";
-
-#endif
-
-    cc_params[cc_par_cnt++] = "-O3";
-    cc_params[cc_par_cnt++] = "-funroll-loops";
-
-    /* Two indicators that you're building for fuzzing; one of them is
-       AFL-specific, the other is shared with libfuzzer. */
-
-    cc_params[cc_par_cnt++] = "-D__AFL_COMPILER=1";
-    cc_params[cc_par_cnt++] = "-DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION=1";
-
-  }
-
-  if (getenv("AFL_NO_BUILTIN")) {
-
-    cc_params[cc_par_cnt++] = "-fno-builtin-strcmp";
-    cc_params[cc_par_cnt++] = "-fno-builtin-strncmp";
-    cc_params[cc_par_cnt++] = "-fno-builtin-strcasecmp";
-    cc_params[cc_par_cnt++] = "-fno-builtin-strncasecmp";
-    cc_params[cc_par_cnt++] = "-fno-builtin-memcmp";
-    cc_params[cc_par_cnt++] = "-fno-builtin-strstr";
-    cc_params[cc_par_cnt++] = "-fno-builtin-strcasestr";
-
-  }
-
-  cc_params[cc_par_cnt] = NULL;
-
-}
-
-
-/* Main entry point */
-
-int main(int argc, char** argv) {
-
-  if (isatty(2) && !getenv("AFL_QUIET")) {
-
-    SAYF(cCYA "afl-cc" VERSION cRST " by <lcamtuf@google.com>\n");
-
-  } else be_quiet = 1;
-
-  if (argc < 2) {
-
-    SAYF("\n"
-         "This is a helper application for afl-fuzz. It serves as a drop-in replacement\n"
-         "for gcc or clang, letting you recompile third-party code with the required\n"
-         "runtime instrumentation. A common use pattern would be one of the following:\n\n"
-
-         "  CC=%s/afl-gcc ./configure\n"
-         "  CXX=%s/afl-g++ ./configure\n\n"
-
-         "You can specify custom next-stage toolchain via AFL_CC, AFL_CXX, and AFL_AS.\n"
-         "Setting AFL_HARDEN enables hardening optimizations in the compiled code.\n\n",
-         BIN_PATH, BIN_PATH);
-
-    exit(1);
-
-  }
-
-  find_as(argv[0]);
-
-  edit_params(argc, argv);
-
-  execvp(cc_params[0], (char**)cc_params);
-
-  FATAL("Oops, failed to execute '%s' - check your PATH", cc_params[0]);
-
-  return 0;
-
-}

afl-gotcpu.c

@@ -1,252 +0,0 @@
-/*
-   american fuzzy lop - free CPU gizmo
-   -----------------------------------
-
-   Written and maintained by Michal Zalewski <lcamtuf@google.com>
-
-   Copyright 2015, 2016 Google Inc. All rights reserved.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at:
-
-     http://www.apache.org/licenses/LICENSE-2.0
-
-   This tool provides a fairly accurate measurement of CPU preemption rate.
-   It is meant to complement the quick-and-dirty load average widget shown
-   in the afl-fuzz UI. See docs/parallel_fuzzing.txt for more info.
-
-   For some work loads, the tool may actually suggest running more instances
-   than you have CPU cores. This can happen if the tested program is spending
-   a portion of its run time waiting for I/O, rather than being 100%
-   CPU-bound.
-
-   The idea for the getrusage()-based approach comes from Jakub Wilk.
-
- */
-
-#define AFL_MAIN
-#define _GNU_SOURCE
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <sched.h>
-
-#include <sys/time.h>
-#include <sys/times.h>
-#include <sys/resource.h>
-#include <sys/wait.h>
-
-#include "types.h"
-#include "debug.h"
-
-#ifdef __linux__
-#  define HAVE_AFFINITY 1
-#endif /* __linux__ */
-
-
-/* Get unix time in microseconds. */
-
-static u64 get_cur_time_us(void) {
-
-  struct timeval tv;
-  struct timezone tz;
-
-  gettimeofday(&tv, &tz);
-
-  return (tv.tv_sec * 1000000ULL) + tv.tv_usec;
-
-}
-
-
-/* Get CPU usage in microseconds. */
-
-static u64 get_cpu_usage_us(void) {
-
-  struct rusage u;
-
-  getrusage(RUSAGE_SELF, &u);
-
-  return (u.ru_utime.tv_sec * 1000000ULL) + u.ru_utime.tv_usec +
-         (u.ru_stime.tv_sec * 1000000ULL) + u.ru_stime.tv_usec;
-
-}
-
-
-/* Measure preemption rate. */
-
-static u32 measure_preemption(u32 target_ms) {
-
-  static volatile u32 v1, v2;
-
-  u64 st_t, en_t, st_c, en_c, real_delta, slice_delta;
-  s32 loop_repeats = 0;
-
-  st_t = get_cur_time_us();
-  st_c = get_cpu_usage_us();
-
-repeat_loop:
-
-  v1 = CTEST_BUSY_CYCLES;
-
-  while (v1--) v2++;
-  sched_yield();
-
-  en_t = get_cur_time_us();
-
-  if (en_t - st_t < target_ms * 1000) {
-    loop_repeats++;
-    goto repeat_loop;
-  }
-
-  /* Let's see what percentage of this time we actually had a chance to
-     run, and how much time was spent in the penalty box. */
-
-  en_c = get_cpu_usage_us();
-
-  real_delta  = (en_t - st_t) / 1000;
-  slice_delta = (en_c - st_c) / 1000;
-
-  return real_delta * 100 / slice_delta;
-
-}
-
-
-/* Do the benchmark thing. */
-
-int main(int argc, char** argv) {
-
-#ifdef HAVE_AFFINITY
-
-  u32 cpu_cnt = sysconf(_SC_NPROCESSORS_ONLN),
-      idle_cpus = 0, maybe_cpus = 0, i;
-
-  SAYF(cCYA "afl-gotcpu" VERSION cRST " by <lcamtuf@google.com>\n");
-
-  ACTF("Measuring per-core preemption rate (this will take %0.02f sec)...",
-       ((double)CTEST_CORE_TRG_MS) / 1000);
-
-  for (i = 0; i < cpu_cnt; i++) {
-
-    s32 fr = fork();
-
-    if (fr < 0) PFATAL("fork failed");
-
-    if (!fr) {
-
-      cpu_set_t c;
-      u32 util_perc;
-
-      CPU_ZERO(&c);
-      CPU_SET(i, &c);
-
-      if (sched_setaffinity(0, sizeof(c), &c))
-        PFATAL("sched_setaffinity failed");
-
-      util_perc = measure_preemption(CTEST_CORE_TRG_MS);
-
-      if (util_perc < 110) {
-
-        SAYF("    Core #%u: " cLGN "AVAILABLE\n" cRST, i);
-        exit(0);
-
-      } else if (util_perc < 250) {
-
-        SAYF("    Core #%u: " cYEL "CAUTION " cRST "(%u%%)\n", i, util_perc); 
-        exit(1);
-
-      }
-
-      SAYF("    Core #%u: " cLRD "OVERBOOKED " cRST "(%u%%)\n" cRST, i,
-           util_perc);
-      exit(2);
-
-    }
-
-  }
-
-  for (i = 0; i < cpu_cnt; i++) {
-
-    int ret;
-    if (waitpid(-1, &ret, 0) < 0) PFATAL("waitpid failed");
-
-    if (WEXITSTATUS(ret) == 0) idle_cpus++;
-    if (WEXITSTATUS(ret) <= 1) maybe_cpus++;
-
-  }
-
-  SAYF(cGRA "\n>>> ");
-
-  if (idle_cpus) {
-
-    if (maybe_cpus == idle_cpus) {
-
-      SAYF(cLGN "PASS: " cRST "You can run more processes on %u core%s.",
-           idle_cpus, idle_cpus > 1 ? "s" : "");
-
-    } else {
-
-      SAYF(cLGN "PASS: " cRST "You can run more processes on %u to %u core%s.",
-           idle_cpus, maybe_cpus, maybe_cpus > 1 ? "s" : "");
-
-    }
-
-    SAYF(cGRA " <<<" cRST "\n\n");
-    return 0;
-
-  }
-
-  if (maybe_cpus) {
-
-    SAYF(cYEL "CAUTION: " cRST "You may still have %u core%s available.",
-         maybe_cpus, maybe_cpus > 1 ? "s" : "");
-    SAYF(cGRA " <<<" cRST "\n\n");
-    return 1;
-
-  }
-
-  SAYF(cLRD "FAIL: " cRST "All cores are overbooked.");
-  SAYF(cGRA " <<<" cRST "\n\n");
-  return 2;
-
-#else
-
-  u32 util_perc;
-
-  SAYF(cCYA "afl-gotcpu" VERSION cRST " by <lcamtuf@google.com>\n");
-
-  /* Run a busy loop for CTEST_TARGET_MS. */
-
-  ACTF("Measuring gross preemption rate (this will take %0.02f sec)...",
-       ((double)CTEST_TARGET_MS) / 1000);
-
-  util_perc = measure_preemption(CTEST_TARGET_MS);
-
-  /* Deliver the final verdict. */
-
-  SAYF(cGRA "\n>>> ");
-
-  if (util_perc < 105) {
-
-    SAYF(cLGN "PASS: " cRST "You can probably run additional processes.");
-
-  } else if (util_perc < 130) {
-
-    SAYF(cYEL "CAUTION: " cRST "Your CPU may be somewhat overbooked (%u%%).",
-         util_perc);
-
-  } else {
-
-    SAYF(cLRD "FAIL: " cRST "Your CPU is overbooked (%u%%).", util_perc);
-
-  }
-
-  SAYF(cGRA " <<<" cRST "\n\n");
-
-  return (util_perc > 105) + (util_perc > 130);
-
-#endif /* ^HAVE_AFFINITY */
-
-}

afl-persistent-config

@@ -0,0 +1,146 @@
+#!/bin/bash
+# written by jhertz
+# 
+
+test "$1" = "-h" -o "$1" = "-hh" -o "$1" = "--help" && {
+  echo 'afl-persistent-config'
+  echo
+  echo $0
+  echo
+  echo afl-persistent-config has no command line options
+  echo
+  echo afl-persistent-config permanently reconfigures the system to a high performance fuzzing state.
+  echo "WARNING: this reduces the security of the system!"
+  echo
+  echo Note that there is also afl-system-config which sets additional runtime
+  echo configuration options.
+  exit 0
+}
+
+if [ $# -ne 0 ]; then
+  echo "ERROR: Unknown option(s): $@"
+  exit 1
+fi
+
+echo
+echo "WARNING: This scripts makes permanent configuration changes to the system to"
+echo "         increase the performance for fuzzing. As a result, the system also"
+echo "         becomes less secure against attacks! If you use this script, setup"
+echo "         strong firewall rules and only make SSH available as a network"
+echo "         service!"
+echo
+echo -n "Type \"YES\" to continue: "
+read ANSWER
+if [[ "$ANSWER" != "YES" ]]; then
+  echo Input was not YES, aborting ...
+  exit 1
+fi
+
+echo
+PLATFORM=`uname -s`
+ARCH=`uname -m`
+
+# check that we're on Mac
+if [[ "$PLATFORM" = "Darwin" ]] ; then
+
+  # check if UID == 0
+  if [[ "$EUID" -ne 0 ]]; then
+    echo "You need to be root to do this. E.g. use \"sudo\""
+    exit 1
+  fi
+
+  # check if SIP is disabled
+  if [[ ! $(csrutil status | grep "disabled") ]]; then
+    echo "SIP needs to be disabled. Restart and press Command-R at reboot, Utilities => Terminal => enter \"csrutil disable\""
+    exit 1
+  fi
+
+  echo "Checks passed."
+
+  echo "Installing /Library/LaunchDaemons/shm_setup.plist"
+
+  cat << EOF > /Library/LaunchDaemons/shm_setup.plist
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+  <dict>
+    <key>Label</key>
+    <string>shmemsetup</string>
+    <key>UserName</key>
+    <string>root</string>
+    <key>GroupName</key>
+    <string>wheel</string>
+    <key>ProgramArguments</key>
+    <array>
+      <string>/usr/sbin/sysctl</string>
+      <string>-w</string>
+      <string>kern.sysv.shmmax=524288000</string>
+      <string>kern.sysv.shmmin=1</string>
+      <string>kern.sysv.shmmni=128</string>
+      <string>kern.sysv.shmseg=48</string>
+      <string>kern.sysv.shmall=131072000</string>
+    </array>
+    <key>KeepAlive</key>
+    <false/>
+    <key>RunAtLoad</key>
+    <true/>
+  </dict>
+</plist>
+EOF
+
+  if [[ "$ARCH" = "x86_64" ]]; then
+    echo "Disabling ASLR system wide"
+    nvram boot-args="no_aslr=1"
+  else
+    echo NOTICE: on ARM64 we do not know currently how to disable system wide ASLR, please report if you know how.
+  fi
+
+  echo
+  echo "Reboot and enjoy your fuzzing"
+  exit 0
+fi
+
+if [[ "$PLATFORM" = "Linux" ]] ; then
+
+  # check if UID == 0
+  if [[ "$EUID" -ne 0 ]]; then
+    echo "You need to be root to do this. E.g. use \"sudo\""
+    exit 1
+  fi
+
+  echo "Checks passed."
+
+  test -d /etc/sysctl.d || echo Error: /etc/sysctl.d directory not found, cannot install shmem config
+  test -d /etc/sysctl.d -a '!' -e /etc/sysctl.d/99-fuzzing.conf && {
+    echo "Installing /etc/sysctl.d/99-fuzzing.conf"
+    cat << EOF > /etc/sysctl.d/99-fuzzing.conf
+kernel.core_uses_pid=0
+kernel.core_pattern=core
+kernel.randomize_va_space=0
+kernel.sched_child_runs_first=1
+kernel.sched_autogroup_enabled=1
+kernel.sched_migration_cost_ns=50000000
+kernel.sched_latency_ns=250000000
+EOF
+  }
+
+  grep -E -q '^GRUB_CMDLINE_LINUX_DEFAULT=' /etc/default/grub 2>/dev/null || echo Error: /etc/default/grub with GRUB_CMDLINE_LINUX_DEFAULT is not present, cannot set boot options
+  grep -E -q '^GRUB_CMDLINE_LINUX_DEFAULT=' /etc/default/grub 2>/dev/null && {
+    grep -E '^GRUB_CMDLINE_LINUX_DEFAULT=' /etc/default/grub | grep -E -q 'noibrs pcid nopti' || {
+      echo "Configuring performance boot options"
+      LINE=`grep -E '^GRUB_CMDLINE_LINUX_DEFAULT=' /etc/default/grub | sed 's/^GRUB_CMDLINE_LINUX_DEFAULT=//' | tr -d '"'`
+      OPTIONS="$LINE ibpb=off ibrs=off kpti=off l1tf=off mds=off mitigations=off no_stf_barrier noibpb noibrs pcid nopti nospec_store_bypass_disable nospectre_v1 nospectre_v2 pcid=on pti=off spec_store_bypass_disable=off spectre_v2=off stf_barrier=off srbds=off noexec=off noexec32=off tsx=on tsx=on tsx_async_abort=off mitigations=off audit=0 hardened_usercopy=off ssbd=force-off"
+      echo Setting boot options in /etc/default/grub to GRUB_CMDLINE_LINUX_DEFAULT=\"$OPTIONS\"
+      sed -i "s|^GRUB_CMDLINE_LINUX_DEFAULT=.*|GRUB_CMDLINE_LINUX_DEFAULT=\"$OPTIONS\"|" /etc/default/grub
+    }
+  }
+
+  echo
+  echo "Reboot and enjoy your fuzzing"
+  exit 0
+fi
+
+
+
+echo "Error: Unknown platform \"$PLATFORM\", currently supported are Linux and MacOS."
+exit 1

afl-plot

@@ -1,9 +1,9 @@
 #!/bin/sh
 #
-# american fuzzy lop - Advanced Persistent Graphing
+# american fuzzy lop++ - Advanced Persistent Graphing
 # -------------------------------------------------
 #
-# Written and maintained by Michal Zalewski <lcamtuf@google.com>
+# Originally written by Michal Zalewski
 # Based on a design & prototype by Michael Rash.
 #
 # Copyright 2014, 2015 Google Inc. All rights reserved.
@@ -12,61 +12,97 @@
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at:
 #
-#   http://www.apache.org/licenses/LICENSE-2.0
+#   https://www.apache.org/licenses/LICENSE-2.0
 #
 
-echo "progress plotting utility for afl-fuzz by <lcamtuf@google.com>"
+get_abs_path() {
+  echo $(cd "`dirname "$1"`" && pwd)/"`basename "$1"`"
+}
+
+echo "progress plotting utility for afl-fuzz by Michal Zalewski"
 echo
 
-if [ ! "$#" = "2" ]; then
+GRAPHICAL="0"
+
+if [ "$1"  = "-g" ] || [ "$1" = "--graphical" ]; then
+GRAPHICAL="1"
+shift
+fi
+
+if [ "$#" != "2" ]; then
 
   cat 1>&2 <<_EOF_
-This program generates gnuplot images from afl-fuzz output data. Usage:
+$0 [ -g | --graphical ] afl_state_dir graph_output_dir
 
-$0 afl_state_dir graph_output_dir
+This program generates gnuplot images from afl-fuzz output data.
 
-The afl_state_dir parameter should point to an existing state directory for any
-active or stopped instance of afl-fuzz; while graph_output_dir should point to
-an empty directory where this tool can write the resulting plots to.
+Usage:
+
+    afl_state_dir       should point to an existing state directory for any
+                        active or stopped instance of afl-fuzz
+    graph_output_dir    should point to an empty directory where this
+                        tool can write the resulting plots to
+    -g, --graphical     (optional) display the plots in a graphical window
+                        (you should have built afl-plot-ui to use this option)
 
 The program will put index.html and three PNG images in the output directory;
 you should be able to view it with any web browser of your choice.
-
 _EOF_
 
   exit 1
 
 fi
 
-if [ "$AFL_ALLOW_TMP" = "" ]; then
+inputdir=`get_abs_path "$1"`
+outputdir=`get_abs_path "$2"`
 
-  echo "$1" | grep -qE '^(/var)?/tmp/'
-  T1="$?"
+#if [ "$AFL_ALLOW_TMP" = "" ]; then
+#
+#  echo "$inputdir" | grep -qE '^(/var)?/tmp/'
+#  T1="$?"
+#
+#  echo "$outputdir" | grep -qE '^(/var)?/tmp/'
+#  T2="$?"
+#
+#  if [ "$T1" = "0" -o "$T2" = "0" ]; then
+#
+#    echo "[-] Error: this script shouldn't be used with shared /tmp directories." 1>&2
+#    exit 1
+#
+#  fi
+#
+#fi
 
-  echo "$2" | grep -qE '^(/var)?/tmp/'
-  T2="$?"
+if [ ! -f "$inputdir/plot_data" ]; then
 
-  if [ "$T1" = "0" -o "$T2" = "0" ]; then
+  if [ -f "$inputdir/default/plot_data" ]; then
 
-    echo "[-] Error: this script shouldn't be used with shared /tmp directories." 1>&2
+    echo "[-] Error: input directory is not valid (missing 'plot_data'), likely you mean $inputdir/default?" 1>&2
+    exit 1
+
+  else
+
+    echo "[-] Error: input directory is not valid (missing 'plot_data')." 1>&2
     exit 1
 
   fi
 
 fi
 
-if [ ! -f "$1/plot_data" ]; then
+LINES=`cat "$inputdir/plot_data" | wc -l`
 
-  echo "[-] Error: input directory is not valid (missing 'plot_data')." 1>&2
+if [ "$LINES" -lt 3 ]; then
+
+  echo "[-] Error: plot_data carries too little data, let it run longer." 1>&2
   exit 1
 
 fi
 
-BANNER="`cat "$1/fuzzer_stats" | grep '^afl_banner ' | cut -d: -f2- | cut -b2-`"
+BANNER="`cat "$inputdir/fuzzer_stats" 2> /dev/null | grep '^afl_banner ' | cut -d: -f2- | cut -b2-`"
 
 test "$BANNER" = "" && BANNER="(none)"
 
-GNUPLOT=`which gnuplot 2>/dev/null`
+GNUPLOT=`command -v gnuplot 2>/dev/null`
 
 if [ "$GNUPLOT" = "" ]; then
 
@@ -75,30 +111,22 @@ if [ "$GNUPLOT" = "" ]; then
 
 fi
 
-mkdir "$2" 2>/dev/null
+mkdir "$outputdir" 2>/dev/null
 
-if [ ! -d "$2" ]; then
+if [ ! -d "$outputdir" ]; then
 
   echo "[-] Error: unable to create the output directory - pick another location." 1>&2
   exit 1
 
 fi
 
-rm -f "$2/high_freq.png" "$2/low_freq.png" "$2/exec_speed.png"
-mv -f "$2/index.html" "$2/index.html.orig" 2>/dev/null
+rm -f "$outputdir/high_freq.png" "$outputdir/low_freq.png" "$outputdir/exec_speed.png" "$outputdir/edges.png"
+mv -f "$outputdir/index.html" "$outputdir/index.html.orig" 2>/dev/null
 
-echo "[*] Generating plots..."
-
-(
-
-cat <<_EOF_
-set terminal png truecolor enhanced size 1000,300 butt
-
-set output '$2/high_freq.png'
-
-set xdata time
-set timefmt '%s'
-set format x "%b %d\n%H:%M"
+GNUPLOT_SETUP="
+#set xdata time
+#set timefmt '%s'
+#set format x \"%b %d\n%H:%M\"
 set tics font 'small'
 unset mxtics
 unset mytics
@@ -112,31 +140,169 @@ set key outside
 set autoscale xfixmin
 set autoscale xfixmax
 
-plot '$1/plot_data' using 1:4 with filledcurve x1 title 'total paths' linecolor rgb '#000000' fillstyle transparent solid 0.2 noborder, \\
-     '' using 1:3 with filledcurve x1 title 'current path' linecolor rgb '#f0f0f0' fillstyle transparent solid 0.5 noborder, \\
-     '' using 1:5 with lines title 'pending paths' linecolor rgb '#0090ff' linewidth 3, \\
+set xlabel \"relative time in seconds\" font \"small\"
+"
+
+PLOT_HF="
+set terminal png truecolor enhanced size 1000,300 butt
+set output '$outputdir/high_freq.png'
+
+$GNUPLOT_SETUP
+
+plot '$inputdir/plot_data' using 1:4 with filledcurve x1 title 'corpus count' linecolor rgb '#000000' fillstyle transparent solid 0.2 noborder, \\
+     '' using 1:3 with filledcurve x1 title 'current item' linecolor rgb '#f0f0f0' fillstyle transparent solid 0.5 noborder, \\
+     '' using 1:5 with lines title 'pending items' linecolor rgb '#0090ff' linewidth 3, \\
      '' using 1:6 with lines title 'pending favs' linecolor rgb '#c00080' linewidth 3, \\
      '' using 1:2 with lines title 'cycles done' linecolor rgb '#c000f0' linewidth 3
+"
 
+PLOT_LF="
 set terminal png truecolor enhanced size 1000,200 butt
-set output '$2/low_freq.png'
+set output '$outputdir/low_freq.png'
 
-plot '$1/plot_data' using 1:8 with filledcurve x1 title '' linecolor rgb '#c00080' fillstyle transparent solid 0.2 noborder, \\
+$GNUPLOT_SETUP
+
+plot '$inputdir/plot_data' using 1:8 with filledcurve x1 title '' linecolor rgb '#c00080' fillstyle transparent solid 0.2 noborder, \\
      '' using 1:8 with lines title ' uniq crashes' linecolor rgb '#c00080' linewidth 3, \\
      '' using 1:9 with lines title 'uniq hangs' linecolor rgb '#c000f0' linewidth 3, \\
      '' using 1:10 with lines title 'levels' linecolor rgb '#0090ff' linewidth 3
+"
 
+PLOT_ES="
 set terminal png truecolor enhanced size 1000,200 butt
-set output '$2/exec_speed.png'
+set output '$outputdir/exec_speed.png'
 
-plot '$1/plot_data' using 1:11 with filledcurve x1 title '' linecolor rgb '#0090ff' fillstyle transparent solid 0.2 noborder, \\
-     '$1/plot_data' using 1:11 with lines title '    execs/sec' linecolor rgb '#0090ff' linewidth 3 smooth bezier;
+$GNUPLOT_SETUP
+
+plot '$inputdir/plot_data' using 1:11 with filledcurve x1 title '' linecolor rgb '#0090ff' fillstyle transparent solid 0.2 noborder, \\
+     '$inputdir/plot_data' using 1:11 with lines title '    execs/sec' linecolor rgb '#0090ff' linewidth 3 smooth bezier;
+"
+
+PLOT_EG="
+set terminal png truecolor enhanced size 1000,300 butt
+set output '$outputdir/edges.png'
+
+$GNUPLOT_SETUP
+
+plot '$inputdir/plot_data' using 1:13 with lines title '        edges' linecolor rgb '#0090ff' linewidth 3
+"
+
+if [ "$#" = "2" ] && [ "$GRAPHICAL" = "1" ]; then
+
+afl-plot-ui -h > /dev/null 2>&1
+
+if [ "$?" != "0" ]; then
+
+cat 1>&2 <<_EOF_
+You do not seem to have the afl-plot-ui utility installed. If you have installed afl-plot-ui, make sure the afl-plot-ui executable is in your PATH.
+If you are still facing any problems, please open an issue at https://github.com/AFLplusplus/AFLplusplus/issues.
+
+No plots have been generated. Please rerun without the "-g" or "--graphical" flag to generate the plots.
+_EOF_
+
+exit 1
+
+fi
+
+rm -rf "$outputdir/.tmp"
+mkdir -p "$outputdir/.tmp"
+mkfifo "$outputdir/.tmp/win_ids" || exit 1
+
+afl-plot-ui > "$outputdir/.tmp/win_ids" &
+W_IDS=$(cat "$outputdir/.tmp/win_ids")
+
+rm -rf "$outputdir/.tmp"
+
+W_ID1=$(echo "$W_IDS" | head -n 1)
+W_ID2=$(echo "$W_IDS" | head -n 2 | tail -n 1)
+W_ID3=$(echo "$W_IDS" | head -n 3 | tail -n 1)
+W_ID4=$(echo "$W_IDS" | tail -n 1)
+
+echo "[*] Generating plots..."
+
+(
+
+cat << _EOF_
+
+$PLOT_HF
+set term x11 window "$W_ID3"
+set output
+replot
+pause mouse close
 
 _EOF_
 
-) | gnuplot 
+) | gnuplot 2> /dev/null &
 
-if [ ! -s "$2/exec_speed.png" ]; then
+(
+
+cat << _EOF_
+
+$PLOT_LF
+set term x11 window "$W_ID4"
+set output
+replot
+pause mouse close
+
+_EOF_
+
+) | gnuplot 2> /dev/null &
+
+(
+
+cat << _EOF_
+
+$PLOT_ES
+set term x11 window "$W_ID2"
+set output
+replot
+pause mouse close
+
+_EOF_
+
+) | gnuplot 2> /dev/null &
+
+(
+
+cat << _EOF_
+
+$PLOT_EG
+set term x11 window "$W_ID1"
+set output
+replot
+pause mouse close
+
+_EOF_
+
+) | gnuplot 2> /dev/null &
+
+sleep 1
+
+else
+
+echo "[*] Generating plots..."
+
+(
+
+cat << _EOF_
+
+$PLOT_HF
+
+$PLOT_LF
+
+$PLOT_ES
+
+$PLOT_EG
+
+_EOF_
+
+) | gnuplot || echo "Note: if you see errors concerning 'unknown or ambiguous terminal type' then you need to use a gnuplot that has png support compiled in."
+
+echo "[?] You can also use -g flag to view the plots in an GUI window, and interact with the plots (if you have built afl-plot-ui). Run \"afl-plot -h\" to know more."
+
+fi
+
+if [ ! -s "$outputdir/exec_speed.png" ]; then
 
   echo "[-] Error: something went wrong! Perhaps you have an ancient version of gnuplot?" 1>&2
   exit 1
@@ -145,13 +311,14 @@ fi
 
 echo "[*] Generating index.html..."
 
-cat >"$2/index.html" <<_EOF_
+cat >"$outputdir/index.html" <<_EOF_
 <table style="font-family: 'Trebuchet MS', 'Tahoma', 'Arial', 'Helvetica'">
 <tr><td style="width: 18ex"><b>Banner:</b></td><td>$BANNER</td></tr>
-<tr><td><b>Directory:</b></td><td>$1</td></tr>
+<tr><td><b>Directory:</b></td><td>$inputdir</td></tr>
 <tr><td><b>Generated on:</b></td><td>`date`</td></tr>
 </table>
 <p>
+<img src="edges.png" width=1000 height=300>
 <img src="high_freq.png" width=1000 height=300><p>
 <img src="low_freq.png" width=1000 height=200><p>
 <img src="exec_speed.png" width=1000 height=200>
@@ -162,8 +329,8 @@ _EOF_
 # served by Apache or other HTTP daemon. Since the plots aren't horribly
 # sensitive, this seems like a reasonable trade-off.
 
-chmod 755 "$2"
-chmod 644 "$2/high_freq.png" "$2/low_freq.png" "$2/exec_speed.png" "$2/index.html"
+chmod 755 "$outputdir"
+chmod 644 "$outputdir/high_freq.png" "$outputdir/low_freq.png" "$outputdir/exec_speed.png" "$outputdir/edges.png" "$outputdir/index.html"
 
 echo "[+] All done - enjoy your charts!"
 

afl-showmap.c

@@ -1,777 +0,0 @@
-/*
-   american fuzzy lop - map display utility
-   ----------------------------------------
-
-   Written and maintained by Michal Zalewski <lcamtuf@google.com>
-
-   Copyright 2013, 2014, 2015, 2016, 2017 Google Inc. All rights reserved.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at:
-
-     http://www.apache.org/licenses/LICENSE-2.0
-
-   A very simple tool that runs the targeted binary and displays
-   the contents of the trace bitmap in a human-readable form. Useful in
-   scripts to eliminate redundant inputs and perform other checks.
-
-   Exit code is 2 if the target program crashes; 1 if it times out or
-   there is a problem executing it; or 0 if execution is successful.
-
- */
-
-#define AFL_MAIN
-
-#include "config.h"
-#include "types.h"
-#include "debug.h"
-#include "alloc-inl.h"
-#include "hash.h"
-
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-#include <errno.h>
-#include <signal.h>
-#include <dirent.h>
-#include <fcntl.h>
-
-#include <sys/wait.h>
-#include <sys/time.h>
-#include <sys/shm.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <sys/resource.h>
-
-static s32 child_pid;                 /* PID of the tested program         */
-
-static u8* trace_bits;                /* SHM with instrumentation bitmap   */
-
-static u8 *out_file,                  /* Trace output file                 */
-          *doc_path,                  /* Path to docs                      */
-          *target_path,               /* Path to target binary             */
-          *at_file;                   /* Substitution string for @@        */
-
-static u32 exec_tmout;                /* Exec timeout (ms)                 */
-
-static u64 mem_limit = MEM_LIMIT;     /* Memory limit (MB)                 */
-
-static s32 shm_id;                    /* ID of the SHM region              */
-
-static u8  quiet_mode,                /* Hide non-essential messages?      */
-           edges_only,                /* Ignore hit counts?                */
-           cmin_mode,                 /* Generate output in afl-cmin mode? */
-           binary_mode,               /* Write output as a binary map      */
-           keep_cores;                /* Allow coredumps?                  */
-
-static volatile u8
-           stop_soon,                 /* Ctrl-C pressed?                   */
-           child_timed_out,           /* Child timed out?                  */
-           child_crashed;             /* Child crashed?                    */
-
-/* Classify tuple counts. Instead of mapping to individual bits, as in
-   afl-fuzz.c, we map to more user-friendly numbers between 1 and 8. */
-
-static const u8 count_class_human[256] = {
-
-  [0]           = 0,
-  [1]           = 1,
-  [2]           = 2,
-  [3]           = 3,
-  [4 ... 7]     = 4,
-  [8 ... 15]    = 5,
-  [16 ... 31]   = 6,
-  [32 ... 127]  = 7,
-  [128 ... 255] = 8
-
-};
-
-static const u8 count_class_binary[256] = {
-
-  [0]           = 0,
-  [1]           = 1,
-  [2]           = 2,
-  [3]           = 4,
-  [4 ... 7]     = 8,
-  [8 ... 15]    = 16,
-  [16 ... 31]   = 32,
-  [32 ... 127]  = 64,
-  [128 ... 255] = 128
-
-};
-
-static void classify_counts(u8* mem, const u8* map) {
-
-  u32 i = MAP_SIZE;
-
-  if (edges_only) {
-
-    while (i--) {
-      if (*mem) *mem = 1;
-      mem++;
-    }
-
-  } else {
-
-    while (i--) {
-      *mem = map[*mem];
-      mem++;
-    }
-
-  }
-
-}
-
-
-/* Get rid of shared memory (atexit handler). */
-
-static void remove_shm(void) {
-
-  shmctl(shm_id, IPC_RMID, NULL);
-
-}
-
-
-/* Configure shared memory. */
-
-static void setup_shm(void) {
-
-  u8* shm_str;
-
-  shm_id = shmget(IPC_PRIVATE, MAP_SIZE, IPC_CREAT | IPC_EXCL | 0600);
-
-  if (shm_id < 0) PFATAL("shmget() failed");
-
-  atexit(remove_shm);
-
-  shm_str = alloc_printf("%d", shm_id);
-
-  setenv(SHM_ENV_VAR, shm_str, 1);
-
-  ck_free(shm_str);
-
-  trace_bits = shmat(shm_id, NULL, 0);
-  
-  if (!trace_bits) PFATAL("shmat() failed");
-
-}
-
-/* Write results. */
-
-static u32 write_results(void) {
-
-  s32 fd;
-  u32 i, ret = 0;
-
-  u8  cco = !!getenv("AFL_CMIN_CRASHES_ONLY"),
-      caa = !!getenv("AFL_CMIN_ALLOW_ANY");
-
-  if (!strncmp(out_file, "/dev/", 5)) {
-
-    fd = open(out_file, O_WRONLY, 0600);
-    if (fd < 0) PFATAL("Unable to open '%s'", out_file);
-
-  } else if (!strcmp(out_file, "-")) {
-
-    fd = dup(1);
-    if (fd < 0) PFATAL("Unable to open stdout");
-
-  } else {
-
-    unlink(out_file); /* Ignore errors */
-    fd = open(out_file, O_WRONLY | O_CREAT | O_EXCL, 0600);
-    if (fd < 0) PFATAL("Unable to create '%s'", out_file);
-
-  }
-
-
-  if (binary_mode) {
-
-    for (i = 0; i < MAP_SIZE; i++)
-      if (trace_bits[i]) ret++;
-    
-    ck_write(fd, trace_bits, MAP_SIZE, out_file);
-    close(fd);
-
-  } else {
-
-    FILE* f = fdopen(fd, "w");
-
-    if (!f) PFATAL("fdopen() failed");
-
-    for (i = 0; i < MAP_SIZE; i++) {
-
-      if (!trace_bits[i]) continue;
-      ret++;
-
-      if (cmin_mode) {
-
-        if (child_timed_out) break;
-        if (!caa && child_crashed != cco) break;
-
-        fprintf(f, "%u%u\n", trace_bits[i], i);
-
-      } else fprintf(f, "%06u:%u\n", i, trace_bits[i]);
-
-    }
-  
-    fclose(f);
-
-  }
-
-  return ret;
-
-}
-
-
-/* Handle timeout signal. */
-
-static void handle_timeout(int sig) {
-
-  child_timed_out = 1;
-  if (child_pid > 0) kill(child_pid, SIGKILL);
-
-}
-
-
-/* Execute target application. */
-
-static void run_target(char** argv) {
-
-  static struct itimerval it;
-  int status = 0;
-
-  if (!quiet_mode)
-    SAYF("-- Program output begins --\n" cRST);
-
-  MEM_BARRIER();
-
-  child_pid = fork();
-
-  if (child_pid < 0) PFATAL("fork() failed");
-
-  if (!child_pid) {
-
-    struct rlimit r;
-
-    if (quiet_mode) {
-
-      s32 fd = open("/dev/null", O_RDWR);
-
-      if (fd < 0 || dup2(fd, 1) < 0 || dup2(fd, 2) < 0) {
-        *(u32*)trace_bits = EXEC_FAIL_SIG;
-        PFATAL("Descriptor initialization failed");
-      }
-
-      close(fd);
-
-    }
-
-    if (mem_limit) {
-
-      r.rlim_max = r.rlim_cur = ((rlim_t)mem_limit) << 20;
-
-#ifdef RLIMIT_AS
-
-      setrlimit(RLIMIT_AS, &r); /* Ignore errors */
-
-#else
-
-      setrlimit(RLIMIT_DATA, &r); /* Ignore errors */
-
-#endif /* ^RLIMIT_AS */
-
-    }
-
-    if (!keep_cores) r.rlim_max = r.rlim_cur = 0;
-    else r.rlim_max = r.rlim_cur = RLIM_INFINITY;
-
-    setrlimit(RLIMIT_CORE, &r); /* Ignore errors */
-
-    if (!getenv("LD_BIND_LAZY")) setenv("LD_BIND_NOW", "1", 0);
-
-    setsid();
-
-    execv(target_path, argv);
-
-    *(u32*)trace_bits = EXEC_FAIL_SIG;
-    exit(0);
-
-  }
-
-  /* Configure timeout, wait for child, cancel timeout. */
-
-  if (exec_tmout) {
-
-    child_timed_out = 0;
-    it.it_value.tv_sec = (exec_tmout / 1000);
-    it.it_value.tv_usec = (exec_tmout % 1000) * 1000;
-
-  }
-
-  setitimer(ITIMER_REAL, &it, NULL);
-
-  if (waitpid(child_pid, &status, 0) <= 0) FATAL("waitpid() failed");
-
-  child_pid = 0;
-  it.it_value.tv_sec = 0;
-  it.it_value.tv_usec = 0;
-  setitimer(ITIMER_REAL, &it, NULL);
-
-  MEM_BARRIER();
-
-  /* Clean up bitmap, analyze exit condition, etc. */
-
-  if (*(u32*)trace_bits == EXEC_FAIL_SIG)
-    FATAL("Unable to execute '%s'", argv[0]);
-
-  classify_counts(trace_bits, binary_mode ?
-                  count_class_binary : count_class_human);
-
-  if (!quiet_mode)
-    SAYF(cRST "-- Program output ends --\n");
-
-  if (!child_timed_out && !stop_soon && WIFSIGNALED(status))
-    child_crashed = 1;
-
-  if (!quiet_mode) {
-
-    if (child_timed_out)
-      SAYF(cLRD "\n+++ Program timed off +++\n" cRST);
-    else if (stop_soon)
-      SAYF(cLRD "\n+++ Program aborted by user +++\n" cRST);
-    else if (child_crashed)
-      SAYF(cLRD "\n+++ Program killed by signal %u +++\n" cRST, WTERMSIG(status));
-
-  }
-
-
-}
-
-
-/* Handle Ctrl-C and the like. */
-
-static void handle_stop_sig(int sig) {
-
-  stop_soon = 1;
-
-  if (child_pid > 0) kill(child_pid, SIGKILL);
-
-}
-
-
-/* Do basic preparations - persistent fds, filenames, etc. */
-
-static void set_up_environment(void) {
-
-  setenv("ASAN_OPTIONS", "abort_on_error=1:"
-                         "detect_leaks=0:"
-                         "symbolize=0:"
-                         "allocator_may_return_null=1", 0);
-
-  setenv("MSAN_OPTIONS", "exit_code=" STRINGIFY(MSAN_ERROR) ":"
-                         "symbolize=0:"
-                         "abort_on_error=1:"
-                         "allocator_may_return_null=1:"
-                         "msan_track_origins=0", 0);
-
-  if (getenv("AFL_PRELOAD")) {
-    setenv("LD_PRELOAD", getenv("AFL_PRELOAD"), 1);
-    setenv("DYLD_INSERT_LIBRARIES", getenv("AFL_PRELOAD"), 1);
-  }
-
-}
-
-
-/* Setup signal handlers, duh. */
-
-static void setup_signal_handlers(void) {
-
-  struct sigaction sa;
-
-  sa.sa_handler   = NULL;
-  sa.sa_flags     = SA_RESTART;
-  sa.sa_sigaction = NULL;
-
-  sigemptyset(&sa.sa_mask);
-
-  /* Various ways of saying "stop". */
-
-  sa.sa_handler = handle_stop_sig;
-  sigaction(SIGHUP, &sa, NULL);
-  sigaction(SIGINT, &sa, NULL);
-  sigaction(SIGTERM, &sa, NULL);
-
-  /* Exec timeout notifications. */
-
-  sa.sa_handler = handle_timeout;
-  sigaction(SIGALRM, &sa, NULL);
-
-}
-
-
-/* Detect @@ in args. */
-
-static void detect_file_args(char** argv) {
-
-  u32 i = 0;
-  u8* cwd = getcwd(NULL, 0);
-
-  if (!cwd) PFATAL("getcwd() failed");
-
-  while (argv[i]) {
-
-    u8* aa_loc = strstr(argv[i], "@@");
-
-    if (aa_loc) {
-
-      u8 *aa_subst, *n_arg;
-
-      if (!at_file) FATAL("@@ syntax is not supported by this tool.");
-
-      /* Be sure that we're always using fully-qualified paths. */
-
-      if (at_file[0] == '/') aa_subst = at_file;
-      else aa_subst = alloc_printf("%s/%s", cwd, at_file);
-
-      /* Construct a replacement argv value. */
-
-      *aa_loc = 0;
-      n_arg = alloc_printf("%s%s%s", argv[i], aa_subst, aa_loc + 2);
-      argv[i] = n_arg;
-      *aa_loc = '@';
-
-      if (at_file[0] != '/') ck_free(aa_subst);
-
-    }
-
-    i++;
-
-  }
-
-  free(cwd); /* not tracked */
-
-}
-
-
-/* Show banner. */
-
-static void show_banner(void) {
-
-  SAYF(cCYA "afl-showmap" VERSION cRST " by <lcamtuf@google.com>\n");
-
-}
-
-/* Display usage hints. */
-
-static void usage(u8* argv0) {
-
-  show_banner();
-
-  SAYF("\n%s [ options ] -- /path/to/target_app [ ... ]\n\n"
-
-       "Required parameters:\n\n"
-
-       "  -o file       - file to write the trace data to\n\n"
-
-       "Execution control settings:\n\n"
-
-       "  -t msec       - timeout for each run (none)\n"
-       "  -m megs       - memory limit for child process (%u MB)\n"
-       "  -Q            - use binary-only instrumentation (QEMU mode)\n\n"
-
-       "Other settings:\n\n"
-
-       "  -q            - sink program's output and don't show messages\n"
-       "  -e            - show edge coverage only, ignore hit counts\n"
-       "  -c            - allow core dumps\n\n"
-
-       "This tool displays raw tuple data captured by AFL instrumentation.\n"
-       "For additional help, consult %s/README.\n\n" cRST,
-
-       argv0, MEM_LIMIT, doc_path);
-
-  exit(1);
-
-}
-
-
-/* Find binary. */
-
-static void find_binary(u8* fname) {
-
-  u8* env_path = 0;
-  struct stat st;
-
-  if (strchr(fname, '/') || !(env_path = getenv("PATH"))) {
-
-    target_path = ck_strdup(fname);
-
-    if (stat(target_path, &st) || !S_ISREG(st.st_mode) ||
-        !(st.st_mode & 0111) || st.st_size < 4)
-      FATAL("Program '%s' not found or not executable", fname);
-
-  } else {
-
-    while (env_path) {
-
-      u8 *cur_elem, *delim = strchr(env_path, ':');
-
-      if (delim) {
-
-        cur_elem = ck_alloc(delim - env_path + 1);
-        memcpy(cur_elem, env_path, delim - env_path);
-        delim++;
-
-      } else cur_elem = ck_strdup(env_path);
-
-      env_path = delim;
-
-      if (cur_elem[0])
-        target_path = alloc_printf("%s/%s", cur_elem, fname);
-      else
-        target_path = ck_strdup(fname);
-
-      ck_free(cur_elem);
-
-      if (!stat(target_path, &st) && S_ISREG(st.st_mode) &&
-          (st.st_mode & 0111) && st.st_size >= 4) break;
-
-      ck_free(target_path);
-      target_path = 0;
-
-    }
-
-    if (!target_path) FATAL("Program '%s' not found or not executable", fname);
-
-  }
-
-}
-
-
-/* Fix up argv for QEMU. */
-
-static char** get_qemu_argv(u8* own_loc, char** argv, int argc) {
-
-  char** new_argv = ck_alloc(sizeof(char*) * (argc + 4));
-  u8 *tmp, *cp, *rsl, *own_copy;
-
-  memcpy(new_argv + 3, argv + 1, sizeof(char*) * argc);
-
-  new_argv[2] = target_path;
-  new_argv[1] = "--";
-
-  /* Now we need to actually find qemu for argv[0]. */
-
-  tmp = getenv("AFL_PATH");
-
-  if (tmp) {
-
-    cp = alloc_printf("%s/afl-qemu-trace", tmp);
-
-    if (access(cp, X_OK))
-      FATAL("Unable to find '%s'", tmp);
-
-    target_path = new_argv[0] = cp;
-    return new_argv;
-
-  }
-
-  own_copy = ck_strdup(own_loc);
-  rsl = strrchr(own_copy, '/');
-
-  if (rsl) {
-
-    *rsl = 0;
-
-    cp = alloc_printf("%s/afl-qemu-trace", own_copy);
-    ck_free(own_copy);
-
-    if (!access(cp, X_OK)) {
-
-      target_path = new_argv[0] = cp;
-      return new_argv;
-
-    }
-
-  } else ck_free(own_copy);
-
-  if (!access(BIN_PATH "/afl-qemu-trace", X_OK)) {
-
-    target_path = new_argv[0] = BIN_PATH "/afl-qemu-trace";
-    return new_argv;
-
-  }
-
-  FATAL("Unable to find 'afl-qemu-trace'.");
-
-}
-
-
-/* Main entry point */
-
-int main(int argc, char** argv) {
-
-  s32 opt;
-  u8  mem_limit_given = 0, timeout_given = 0, qemu_mode = 0;
-  u32 tcnt;
-  char** use_argv;
-
-  doc_path = access(DOC_PATH, F_OK) ? "docs" : DOC_PATH;
-
-  while ((opt = getopt(argc,argv,"+o:m:t:A:eqZQbc")) > 0)
-
-    switch (opt) {
-
-      case 'o':
-
-        if (out_file) FATAL("Multiple -o options not supported");
-        out_file = optarg;
-        break;
-
-      case 'm': {
-
-          u8 suffix = 'M';
-
-          if (mem_limit_given) FATAL("Multiple -m options not supported");
-          mem_limit_given = 1;
-
-          if (!strcmp(optarg, "none")) {
-
-            mem_limit = 0;
-            break;
-
-          }
-
-          if (sscanf(optarg, "%llu%c", &mem_limit, &suffix) < 1 ||
-              optarg[0] == '-') FATAL("Bad syntax used for -m");
-
-          switch (suffix) {
-
-            case 'T': mem_limit *= 1024 * 1024; break;
-            case 'G': mem_limit *= 1024; break;
-            case 'k': mem_limit /= 1024; break;
-            case 'M': break;
-
-            default:  FATAL("Unsupported suffix or bad syntax for -m");
-
-          }
-
-          if (mem_limit < 5) FATAL("Dangerously low value of -m");
-
-          if (sizeof(rlim_t) == 4 && mem_limit > 2000)
-            FATAL("Value of -m out of range on 32-bit systems");
-
-        }
-
-        break;
-
-      case 't':
-
-        if (timeout_given) FATAL("Multiple -t options not supported");
-        timeout_given = 1;
-
-        if (strcmp(optarg, "none")) {
-          exec_tmout = atoi(optarg);
-
-          if (exec_tmout < 20 || optarg[0] == '-')
-            FATAL("Dangerously low value of -t");
-
-        }
-
-        break;
-
-      case 'e':
-
-        if (edges_only) FATAL("Multiple -e options not supported");
-        edges_only = 1;
-        break;
-
-      case 'q':
-
-        if (quiet_mode) FATAL("Multiple -q options not supported");
-        quiet_mode = 1;
-        break;
-
-      case 'Z':
-
-        /* This is an undocumented option to write data in the syntax expected
-           by afl-cmin. Nobody else should have any use for this. */
-
-        cmin_mode  = 1;
-        quiet_mode = 1;
-        break;
-
-      case 'A':
-
-        /* Another afl-cmin specific feature. */
-        at_file = optarg;
-        break;
-
-      case 'Q':
-
-        if (qemu_mode) FATAL("Multiple -Q options not supported");
-        if (!mem_limit_given) mem_limit = MEM_LIMIT_QEMU;
-
-        qemu_mode = 1;
-        break;
-
-      case 'b':
-
-        /* Secret undocumented mode. Writes output in raw binary format
-           similar to that dumped by afl-fuzz in <out_dir/queue/fuzz_bitmap. */
-
-        binary_mode = 1;
-        break;
-
-      case 'c':
-
-        if (keep_cores) FATAL("Multiple -c options not supported");
-        keep_cores = 1;
-        break;
-
-      default:
-
-        usage(argv[0]);
-
-    }
-
-  if (optind == argc || !out_file) usage(argv[0]);
-
-  setup_shm();
-  setup_signal_handlers();
-
-  set_up_environment();
-
-  find_binary(argv[optind]);
-
-  if (!quiet_mode) {
-    show_banner();
-    ACTF("Executing '%s'...\n", target_path);
-  }
-
-  detect_file_args(argv + optind);
-
-  if (qemu_mode)
-    use_argv = get_qemu_argv(argv[0], argv + optind, argc - optind);
-  else
-    use_argv = argv + optind;
-
-  run_target(use_argv);
-
-  tcnt = write_results();
-
-  if (!quiet_mode) {
-
-    if (!tcnt) FATAL("No instrumentation detected" cRST);
-    OKF("Captured %u tuples in '%s'." cRST, tcnt, out_file);
-
-  }
-
-  exit(child_crashed * 2 + child_timed_out);
-
-}
-

afl-system-config

@@ -1,15 +1,143 @@
 #!/bin/sh
-echo This reconfigures the system to have a better fuzzing performance
-sysctl -w kernel.core_pattern=core
-sysctl -w kernel.randomize_va_space=0
-sysctl -w kernel.sched_child_runs_first=1
-sysctl -w kernel.sched_autogroup_enabled=1
-sysctl -w kernel.sched_migration_cost_ns=50000000
-sysctl -w kernel.sched_latency_ns=250000000
-echo never > /sys/kernel/mm/transparent_hugepage/enabled
-echo performance | tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor > /dev/null
+test "$1" = "-h" -o "$1" = "-hh" -o "$1" = "--help" && {
+  echo 'afl-system-config by Marc Heuse <mh@mh-sec.de>'
+  echo
+  echo $0
+  echo
+  echo afl-system-config has no command line options
+  echo
+  echo afl-system-config reconfigures the system to a high performance fuzzing state.
+  echo "WARNING: this reduces the security of the system!"
+  echo
+  echo Note that there is also afl-persistent-config which sets additional permanent
+  echo configuration options.
+  exit 0
+}
+if [ $# -ne 0 ]; then
+  echo "ERROR: Unknown option(s): $@"
+  exit 1
+fi
+
+DONE=
+PLATFORM=`uname -s`
+echo This reconfigures the system to have a better fuzzing performance.
+echo "WARNING: this reduces the security of the system!"
 echo
-echo It is recommended to boot the kernel with lots of security off - if you are running a machine that is in a secured network - so set this:
-echo '/etc/default/grub:GRUB_CMDLINE_LINUX_DEFAULT="ibpb=off ibrs=off kpti=off l1tf=off mds=off mitigations=off no_stf_barrier noibpb noibrs nopcid nopti nospec_store_bypass_disable nospectre_v1 nospectre_v2 pcid=off pti=off spec_store_bypass_disable=off spectre_v2=off stf_barrier=off"'
-echo
-echo Also use AFL_TMPDIR to use a tmpfs for the input file
+if [ '!' "$EUID" = 0 ] && [ '!' `id -u` = 0 ] ; then
+	echo "Warning: you need to be root to run this!"
+	sleep 1
+	# we do not exit as other mechanisms exist that allows to do this than
+	# being root. let the errors speak for themselves.
+fi
+sleep 1
+if [ "$PLATFORM" = "Linux" ] ; then
+{
+  sysctl -w kernel.core_uses_pid=0
+  # Arch Linux requires core_pattern to be empty :(
+  test -e /etc/arch-release && sysctl -w kernel.core_pattern=
+  test -e /etc/arch-release || sysctl -w kernel.core_pattern=core
+  sysctl -w kernel.randomize_va_space=0
+  sysctl -w kernel.sched_child_runs_first=1
+  sysctl -w kernel.sched_autogroup_enabled=1
+  sysctl -w kernel.sched_migration_cost_ns=50000000 2>/dev/null
+  sysctl -w kernel.sched_latency_ns=250000000 2>/dev/null
+  echo never > /sys/kernel/mm/transparent_hugepage/enabled
+  test -e /sys/devices/system/cpu/cpufreq/scaling_governor && echo performance | tee /sys/devices/system/cpu/cpufreq/scaling_governor
+  test -e /sys/devices/system/cpu/cpufreq/policy0/scaling_governor && echo performance | tee /sys/devices/system/cpu/cpufreq/policy*/scaling_governor
+  test -e /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor && echo performance | tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
+  test -e /sys/devices/system/cpu/intel_pstate/no_turbo && echo 0 > /sys/devices/system/cpu/intel_pstate/no_turbo
+  test -e /sys/devices/system/cpu/cpufreq/boost && echo 1 > /sys/devices/system/cpu/cpufreq/boost
+  test -e /sys/devices/system/cpu/intel_pstate/max_perf_pct && echo 100 > /sys/devices/system/cpu/intel_pstate/max_perf_pct
+  test -n "$(which auditctl)" && auditctl -a never,task >/dev/null 2>&1
+} > /dev/null
+  echo Settings applied.
+  echo
+  dmesg | grep -E -q 'noibrs pcid nopti' || {
+    echo It is recommended to boot the kernel with lots of security off - if you are running a machine that is in a secured network - so set this:
+    echo '  /etc/default/grub:GRUB_CMDLINE_LINUX_DEFAULT="ibpb=off ibrs=off kpti=0 l1tf=off mds=off mitigations=off no_stf_barrier noibpb noibrs pcid nopti nospec_store_bypass_disable nospectre_v1 nospectre_v2 pcid=on pti=off spec_store_bypass_disable=off spectre_v2=off stf_barrier=off srbds=off noexec=off noexec32=off tsx=on tsx_async_abort=off arm64.nopauth audit=0 hardened_usercopy=off ssbd=force-off"'
+    echo
+  }
+  echo If you run fuzzing instances in docker, run them with \"--security-opt seccomp=unconfined\" for more speed.
+  echo
+  DONE=1
+fi
+if [ "$PLATFORM" = "FreeBSD" ] ; then
+{
+  sysctl kern.elf32.aslr.enable=0
+  sysctl kern.elf64.aslr.enable=0
+} > /dev/null
+  echo Settings applied.
+  echo
+  cat <<EOF
+In order to suppress core file generation during fuzzing it is recommended to set
+me:\\
+	:coredumpsize=0:
+in the ~/.login_conf file for the user used for fuzzing.
+EOF
+  echo It is recommended to boot the kernel with lots of security off - if you are running a machine that is in a secured network - so set this:
+  echo '  sysctl hw.ibrs_disable=1'
+  echo 'Setting kern.pmap.pg_ps_enabled=0 into /boot/loader.conf might be helpful too.'
+  echo
+  DONE=1
+fi
+if [ "$PLATFORM" = "OpenBSD" ] ; then
+  doas sysctl vm.malloc_conf=
+  echo 'Freecheck on allocation in particular can be detrimental to performance.'
+  echo 'Also we might not want necessarily to abort at any allocation failure.'
+  echo 'System security features cannot be disabled on OpenBSD.'
+  echo
+  DONE=1
+fi
+if [ "$PLATFORM" = "DragonFly" ] ; then
+  #/sbin/sysctl kern.corefile=/dev/null
+  #echo Settings applied.
+  cat <<EOF
+In order to suppress core file generation during fuzzing it is recommended to set
+me:\\
+	:coredumpsize=0:
+in the ~/.login_conf file for the user used for fuzzing.
+EOF
+  echo
+  DONE=1
+fi
+if [ "$PLATFORM" = "NetBSD" ] ; then
+{
+  /sbin/sysctl -w security.models.extensions.user_set_cpu_affinity=1
+} > /dev/null
+  echo Settings applied.
+  echo
+  DONE=1
+fi
+if [ "$PLATFORM" = "Darwin" ] ; then
+  sysctl kern.sysv.shmmax=524288000
+  sysctl kern.sysv.shmmin=1
+  sysctl kern.sysv.shmseg=48
+  sysctl kern.sysv.shmall=131072000
+  echo Settings applied.
+  echo
+  if $(launchctl list 2>/dev/null | grep -q '\.ReportCrash\>') ; then
+    echo
+    echo Unloading the default crash reporter
+    SL=/System/Library; PL=com.apple.ReportCrash
+    sudo -u "$SUDO_USER" launchctl unload -w ${SL}/LaunchAgents/${PL}.plist
+    launchctl unload -w ${SL}/LaunchDaemons/${PL}.Root.plist
+    echo
+  fi
+  echo It is recommended to disable System Integrity Protection for increased performance.
+  echo See: https://developer.apple.com/documentation/security/disabling_and_enabling_system_integrity_protection
+  echo
+  DONE=1
+fi
+if [ "$PLATFORM" = "Haiku" ] ; then
+  DEBUG_SERVER_DIR=~/config/settings/system/debug_server
+  [ ! -d ${DEBUG_SERVER_DIR} ] && mkdir -p ${DEBUG_SERVER_DIR}
+  SETTINGS=${DEBUG_SERVER_DIR}/settings
+  [ -r ${SETTINGS} ] && grep -qE "default_action\s+kill" ${SETTINGS} && { echo "Nothing to do"; } || { \
+    echo We change the debug_server default_action from user to silently kill; \
+    [ ! -r ${SETTINGS} ] && echo "default_action kill" >${SETTINGS} || { mv ${SETTINGS} s.tmp; sed -e "s/default_action\s\s*user/default_action kill/" s.tmp > ${SETTINGS}; rm s.tmp; }; \
+    echo Settings applied.; echo; \
+  }
+  DONE=1
+fi
+test -z "$DONE" && echo Error: Unknown platform: $PLATFORM
+exit 0

afl-whatsup

@@ -1,163 +1,438 @@
 #!/bin/sh
 #
-# american fuzzy lop - status check tool
-# --------------------------------------
+# american fuzzy lop++ - status check tool
+# ----------------------------------------
 #
-# Written and maintained by Michal Zalewski <lcamtuf@google.com>
+# Originally written by Michal Zalewski
 #
 # Copyright 2015 Google Inc. All rights reserved.
+# Copyright 2019-2024 AFLplusplus Project. All rights reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at:
 #
-#   http://www.apache.org/licenses/LICENSE-2.0
+#   https://www.apache.org/licenses/LICENSE-2.0
 #
 # This tool summarizes the status of any locally-running synchronized
 # instances of afl-fuzz.
 #
 
-echo "status check tool for afl-fuzz by <lcamtuf@google.com>"
-echo
+test "$1" = "-h" -o "$1" = "-hh" && {
+  echo "$0 status check tool for afl-fuzz by Michal Zalewski"
+  echo
+  echo "Usage: $0 [-s] [-d] afl_output_directory"
+  echo
+  echo Options:
+  echo "  -d  -  include dead fuzzer stats"
+  echo "  -m  -  just show minimal stats"
+  echo "  -n  -  no color output"
+  echo "  -s  -  skip details and output summary results only"
+  echo
+  exit 1
+}
 
-if [ "$1" = "-s" ]; then
+unset MINIMAL_ONLY
+unset NO_COLOR
+unset PROCESS_DEAD
+unset SUMMARY_ONLY
+unset RED
+unset GREEN
+unset YELLOW
+unset BLUE
+unset NC
+unset RESET
 
-  SUMMARY_ONLY=1
-  DIR="$2"
+if [ -z "$TERM" ]; then export TERM=vt220; fi
 
-else
+while [ "$1" = "-d" -o "$1" = "-m"  -o "$1" = "-n"  -o "$1" = "-s" ]; do
+  
+  if [ "$1" = "-d" ]; then
+    PROCESS_DEAD=1
+  fi
+  
+  if [ "$1" = "-m" ]; then
+    MINIMAL_ONLY=1
+  fi
+  
+  if [ "$1" = "-n" ]; then
+    NO_COLOR=1
+  fi
+  
+  if [ "$1" = "-s" ]; then
+    SUMMARY_ONLY=1
+  fi
+  
+  shift
+  
+done
 
-  unset SUMMARY_ONLY
-  DIR="$1"
+DIR="$1"
 
-fi
-
-if [ "$DIR" = "" ]; then
-
-  echo "Usage: $0 [ -s ] afl_sync_dir" 1>&2
+if [ "$DIR" = "" -o "$DIR" = "-h" -o "$DIR" = "--help" ]; then
+  
+  echo "$0 status check tool for afl-fuzz by Michal Zalewski" 1>&2
   echo 1>&2
-  echo "The -s option causes the tool to skip all the per-fuzzer trivia and show" 1>&2
-  echo "just the summary results. See docs/parallel_fuzzing.txt for additional tips." 1>&2
+  echo "Usage: $0 [-d] [-m] [-n] [-s] afl_output_directory" 1>&2
+  echo 1>&2
+  echo Options: 1>&2
+  echo "  -d  -  include dead fuzzer stats" 1>&2
+  echo "  -m  -  just show minimal stats" 1>&2
+  echo "  -n  -  no color output" 1>&2
+  echo "  -s  -  skip details and output summary results only" 1>&2
   echo 1>&2
   exit 1
+  
+fi
 
+if [ -z "$MINIMAL_ONLY" ]; then
+  echo "$0 status check tool for afl-fuzz by Michal Zalewski"
+  echo
 fi
 
 cd "$DIR" || exit 1
 
 if [ -d queue ]; then
-
+  
   echo "[-] Error: parameter is an individual output directory, not a sync dir." 1>&2
   exit 1
+  
+fi
 
+BC=`which bc 2>/dev/null`
+FUSER=`which fuser 2>/dev/null`
+
+if [ -z "$NO_COLOR" ]; then
+  RED=`tput setaf 9 1 1 2>/dev/null`
+  GREEN=`tput setaf 2 1 1 2>/dev/null`
+  BLUE=`tput setaf 4 1 1 2>/dev/null`
+  YELLOW=`tput setaf 11 1 1 2>/dev/null`
+  NC=`tput sgr0`
+  RESET="$NC"
 fi
 
 CUR_TIME=`date +%s`
 
-TMP=`mktemp -t .afl-whatsup-XXXXXXXX` || exit 1
+TMP=`mktemp -t .afl-whatsup-XXXXXXXX` || TMP=`mktemp -p /data/local/tmp .afl-whatsup-XXXXXXXX` || TMP=`mktemp -p /data/local/tmp .afl-whatsup-XXXXXXXX` || exit 1
 
 ALIVE_CNT=0
 DEAD_CNT=0
+START_CNT=0
 
 TOTAL_TIME=0
 TOTAL_EXECS=0
 TOTAL_EPS=0
 TOTAL_CRASHES=0
+TOTAL_HANGS=0
 TOTAL_PFAV=0
 TOTAL_PENDING=0
+TOTAL_COVERAGE=
+
+# Time since last find / crash / hang, formatted as string
+FMT_TIME="0 days 0 hours"
+FMT_FIND="${RED}none seen yet${NC}"
+FMT_CRASH="none seen yet"
+FMT_HANG="none seen yet"
 
 if [ "$SUMMARY_ONLY" = "" ]; then
-
+  
   echo "Individual fuzzers"
   echo "=================="
   echo
-
+  
 fi
 
-for i in `find . -maxdepth 2 -iname fuzzer_stats | sort`; do
-
-  sed 's/^command_line.*$/_skip:1/;s/[ ]*:[ ]*/="/;s/$/"/' "$i" >"$TMP"
-  . "$TMP"
-
-  RUN_UNIX=$((CUR_TIME - start_time))
-  RUN_DAYS=$((RUN_UNIX / 60 / 60 / 24))
-  RUN_HRS=$(((RUN_UNIX / 60 / 60) % 24))
-
-  if [ "$SUMMARY_ONLY" = "" ]; then
-
-    echo ">>> $afl_banner ($RUN_DAYS days, $RUN_HRS hrs) <<<"
-    echo
-
+fmt_duration()
+{
+  DUR_STRING=
+  if [ $1 -le 0 ]; then
+    return 1
   fi
+  
+  local duration=$((CUR_TIME - $1))
+  local days=$((duration / 60 / 60 / 24))
+  local hours=$(((duration / 60 / 60) % 24))
+  local minutes=$(((duration / 60) % 60))
+  local seconds=$((duration % 60))
+  
+  if [ $duration -le 0 ]; then
+    DUR_STRING="0 seconds"
+    elif [ $duration -eq 1 ]; then
+    DUR_STRING="1 second"
+    elif [ $days -gt 0 ]; then
+    DUR_STRING="$days days, $hours hours"
+    elif [ $hours -gt 0 ]; then
+    DUR_STRING="$hours hours, $minutes minutes"
+    elif [ $minutes -gt 0 ]; then
+    DUR_STRING="$minutes minutes, $seconds seconds"
+  else
+    DUR_STRING="$seconds seconds"
+  fi
+}
 
-  if ! kill -0 "$fuzzer_pid" 2>/dev/null; then
+FIRST=true
+TOTAL_WCOP=
+TOTAL_LAST_FIND=0
 
+for j in `find . -maxdepth 2 -iname fuzzer_setup | sort`; do
+  
+  DIR=$(dirname "$j")
+  i=$DIR/fuzzer_stats
+  
+  if [ -f "$i" ]; then
+    
+    sed 's/^command_line.*$/_skip:1/;s/[ ]*:[ ]*/="/;s/$/"/' "$i" >"$TMP"
+    . "$TMP"
+    DIRECTORY=$DIR
+    DIR=${DIR##*/}
+    RUN_UNIX=$run_time
+    RUN_DAYS=$((RUN_UNIX / 60 / 60 / 24))
+    RUN_HRS=$(((RUN_UNIX / 60 / 60) % 24))
+    COVERAGE=$(echo $bitmap_cvg|tr -d %)
+    if [ -n "$TOTAL_COVERAGE" -a -n "$COVERAGE" -a -n "$BC" ]; then
+      if [ "$(echo "$TOTAL_COVERAGE < $COVERAGE" | bc)" -eq 1 ]; then
+        TOTAL_COVERAGE=$COVERAGE
+      fi
+    fi
+    if [ -z "$TOTAL_COVERAGE" ]; then TOTAL_COVERAGE=$COVERAGE ; fi
+    
+    test -n "$cycles_wo_finds" && {
+      test -z "$FIRST" && TOTAL_WCOP="${TOTAL_WCOP}/"
+      TOTAL_WCOP="${TOTAL_WCOP}${cycles_wo_finds}"
+      FIRST=
+    }
+    
     if [ "$SUMMARY_ONLY" = "" ]; then
-
-      echo "  Instance is dead or running remotely, skipping."
+      
+      echo ">>> $afl_banner instance: $DIR ($RUN_DAYS days, $RUN_HRS hrs) fuzzer PID: $fuzzer_pid <<<"
       echo
-
+      
+    fi
+    
+    if ! kill -0 "$fuzzer_pid" 2>/dev/null; then
+      
+      IS_STARTING=
+      IS_DEAD=
+      
+      if [ -e "$i" ] && [ -e "$j" ] && [ -n "$FUSER" ]; then
+        
+        if [ "$i" -ot "$j" ]; then
+          
+          # fuzzer_setup is newer than fuzzer_stats, maybe the instance is starting?
+          TMP_PID=`fuser -v "$DIRECTORY" 2>&1 | grep afl-fuzz`
+          
+          if [ -n "$TMP_PID" ]; then
+            
+            if [ "$SUMMARY_ONLY" = "" ]; then
+              
+              echo "  Instance is still starting up, skipping."
+              echo
+              
+            fi
+            
+            START_CNT=$((START_CNT + 1))
+            last_find=0
+            IS_STARTING=1
+            
+            if [ "$PROCESS_DEAD" = "" ]; then
+              
+              continue
+              
+            fi
+            
+          fi
+          
+        fi
+        
+      fi
+      
+      if [ -z "$IS_STARTING" ]; then
+        
+        if [ "$SUMMARY_ONLY" = "" ]; then
+          
+          echo "  Instance is dead or running remotely, skipping."
+          echo
+          
+        fi
+        
+        DEAD_CNT=$((DEAD_CNT + 1))
+        IS_DEAD=1
+        last_find=0
+        
+        if [ "$PROCESS_DEAD" = "" ]; then
+          
+          continue
+          
+        fi
+        
+      fi
+      
+    fi
+    
+    ALIVE_CNT=$((ALIVE_CNT + 1))
+    
+    EXEC_SEC=0
+    test -z "$RUN_UNIX" -o "$RUN_UNIX" = 0 || EXEC_SEC=$((execs_done / RUN_UNIX))
+    PATH_PERC=$((cur_item * 100 / corpus_count))
+    
+    TOTAL_TIME=$((TOTAL_TIME + RUN_UNIX))
+    TOTAL_EPS=$((TOTAL_EPS + EXEC_SEC))
+    TOTAL_EXECS=$((TOTAL_EXECS + execs_done))
+    TOTAL_CRASHES=$((TOTAL_CRASHES + saved_crashes))
+    TOTAL_HANGS=$((TOTAL_HANGS + saved_hangs))
+    TOTAL_PENDING=$((TOTAL_PENDING + pending_total))
+    TOTAL_PFAV=$((TOTAL_PFAV + pending_favs))
+    
+    if [ "$last_find" -gt "$TOTAL_LAST_FIND" ]; then
+      TOTAL_LAST_FIND=$last_find
+    fi
+    
+    if [ "$SUMMARY_ONLY" = "" ]; then
+      
+      # Warnings in red
+      TIMEOUT_PERC=$((exec_timeout * 100 / execs_done))
+      if [ $TIMEOUT_PERC -ge 10 ]; then
+        echo "  ${RED}timeout_ratio $TIMEOUT_PERC%${NC}"
+      fi
+      
+      if [ $EXEC_SEC -eq 0 ]; then
+        echo "  ${YELLOW}no data yet, 0 execs/sec${NC}"
+        elif [ $EXEC_SEC -lt 100 ]; then
+        echo "  ${RED}slow execution, $EXEC_SEC execs/sec${NC}"
+      fi
+      
+      fmt_duration $last_find && FMT_FIND=$DUR_STRING
+      fmt_duration $last_crash && FMT_CRASH=$DUR_STRING
+      fmt_duration $last_hang && FMT_HANG=$DUR_STRING
+      FMT_CWOP="not available"
+      test -n "$cycles_wo_finds" && {
+        test "$cycles_wo_finds" = 0 && FMT_CWOP="$cycles_wo_finds"
+        test "$cycles_wo_finds" -gt 10 && FMT_CWOP="${YELLOW}$cycles_wo_finds${NC}"
+        test "$cycles_wo_finds" -gt 50 && FMT_CWOP="${RED}$cycles_wo_finds${NC}"
+      }
+      
+      echo "  last_find       : $FMT_FIND"
+      echo "  last_crash      : $FMT_CRASH"
+      if [ -z "$MINIMAL_ONLY" ]; then
+        echo "  last_hang       : $FMT_HANG"
+        echo "  cycles_wo_finds : $FMT_CWOP"
+      fi
+      echo "  coverage        : $COVERAGE%"
+      
+      if [ -z "$MINIMAL_ONLY" ]; then
+        
+        CPU_USAGE=$(ps aux | grep -w $fuzzer_pid | grep -v grep | awk '{print $3}')
+        MEM_USAGE=$(ps aux | grep -w $fuzzer_pid | grep -v grep | awk '{print $4}')
+        
+        echo "  cpu usage $CPU_USAGE%, memory usage $MEM_USAGE%"
+        
+      fi
+      
+      echo "  cycles $((cycles_done + 1)), lifetime speed $EXEC_SEC execs/sec, items $cur_item/$corpus_count (${PATH_PERC}%)"
+      
+      if [ "$saved_crashes" = "0" ]; then
+        echo "  pending $pending_favs/$pending_total, coverage $bitmap_cvg, no crashes yet"
+      else
+        echo "  pending $pending_favs/$pending_total, coverage $bitmap_cvg, crashes saved $saved_crashes (!)"
+      fi
+      
+      echo
+      
     fi
 
-    DEAD_CNT=$((DEAD_CNT + 1))
-    continue
+  else
 
-  fi
+    if [ ! -e "$i" -a -e "$j" ]; then
 
-  ALIVE_CNT=$((ALIVE_CNT + 1))
-
-  EXEC_SEC=$((execs_done / RUN_UNIX))
-  PATH_PERC=$((cur_path * 100 / paths_total))
-
-  TOTAL_TIME=$((TOTAL_TIME + RUN_UNIX))
-  TOTAL_EPS=$((TOTAL_EPS + EXEC_SEC))
-  TOTAL_EXECS=$((TOTAL_EXECS + execs_done))
-  TOTAL_CRASHES=$((TOTAL_CRASHES + unique_crashes))
-  TOTAL_PENDING=$((TOTAL_PENDING + pending_total))
-  TOTAL_PFAV=$((TOTAL_PFAV + pending_favs))
-
-  if [ "$SUMMARY_ONLY" = "" ]; then
-
-    echo "  cycle $((cycles_done + 1)), lifetime speed $EXEC_SEC execs/sec, path $cur_path/$paths_total (${PATH_PERC}%)"
-
-    if [ "$unique_crashes" = "0" ]; then
-      echo "  pending $pending_favs/$pending_total, coverage $bitmap_cvg, no crashes yet"
-    else
-      echo "  pending $pending_favs/$pending_total, coverage $bitmap_cvg, crash count $unique_crashes (!)"
+      if [ '!' "$PROCESS_DEAD" = "" ]; then
+        ALIVE_CNT=$((ALIVE_CNT + 1))
+      fi
+      START_CNT=$((START_CNT + 1))
+      last_find=0
+      IS_STARTING=1
+      
     fi
 
-    echo
-
   fi
-
+  
 done
 
+# Formatting for total time, time since last find, crash, and hang
+fmt_duration $((CUR_TIME - TOTAL_TIME)) && FMT_TIME=$DUR_STRING
+# Formatting for total execution
+FMT_EXECS="0 millions"
+EXECS_MILLION=$((TOTAL_EXECS / 1000 / 1000))
+EXECS_THOUSAND=$((TOTAL_EXECS / 1000 % 1000))
+if [ $EXECS_MILLION -gt 9 ]; then
+  FMT_EXECS="$EXECS_MILLION millions"
+  elif [ $EXECS_MILLION -gt 0 ]; then
+  FMT_EXECS="$EXECS_MILLION millions, $EXECS_THOUSAND thousands"
+else
+  FMT_EXECS="$EXECS_THOUSAND thousands"
+fi
+
 rm -f "$TMP"
 
 TOTAL_DAYS=$((TOTAL_TIME / 60 / 60 / 24))
 TOTAL_HRS=$(((TOTAL_TIME / 60 / 60) % 24))
 
+test -z "$TOTAL_WCOP" && TOTAL_WCOP="not available"
+fmt_duration $TOTAL_LAST_FIND && TOTAL_LAST_FIND=$DUR_STRING
+
 test "$TOTAL_TIME" = "0" && TOTAL_TIME=1
 
+if [ "$PROCESS_DEAD" = "" ]; then
+  
+  TXT="excluded from stats"
+  
+else
+  
+  TXT="included in stats"
+  ALIVE_CNT=$(($ALIVE_CNT - $DEAD_CNT - $START_CNT))
+  
+fi
+
 echo "Summary stats"
 echo "============="
-echo
+if [ -z "$SUMMARY_ONLY" -o -z "$MINIMAL_ONLY" ]; then
+  echo
+fi
+
 echo "       Fuzzers alive : $ALIVE_CNT"
 
+if [ ! "$START_CNT" = "0" ]; then
+  echo "         Starting up : $START_CNT ($TXT)"
+fi
+
 if [ ! "$DEAD_CNT" = "0" ]; then
-  echo "      Dead or remote : $DEAD_CNT (excluded from stats)"
+  echo "      Dead or remote : $DEAD_CNT ($TXT)"
 fi
 
-echo "      Total run time : $TOTAL_DAYS days, $TOTAL_HRS hours"
-echo "         Total execs : $((TOTAL_EXECS / 1000 / 1000)) million"
-echo "    Cumulative speed : $TOTAL_EPS execs/sec"
-echo "       Pending paths : $TOTAL_PFAV faves, $TOTAL_PENDING total"
-
-if [ "$ALIVE_CNT" -gt "1" ]; then
-  echo "  Pending per fuzzer : $((TOTAL_PFAV/ALIVE_CNT)) faves, $((TOTAL_PENDING/ALIVE_CNT)) total (on average)"
+echo "      Total run time : $FMT_TIME"
+if [ -z "$MINIMAL_ONLY" ]; then
+  echo "         Total execs : $FMT_EXECS"
+  echo "    Cumulative speed : $TOTAL_EPS execs/sec"
+fi
+if [ "$ALIVE_CNT" -gt "0" ]; then
+  echo "       Average speed : $((TOTAL_EPS / ALIVE_CNT)) execs/sec"
+fi
+if [ -z "$MINIMAL_ONLY" ]; then
+  echo "       Pending items : $TOTAL_PFAV faves, $TOTAL_PENDING total"
 fi
 
-echo "       Crashes found : $TOTAL_CRASHES locally unique"
+if [ "$ALIVE_CNT" -gt "1" -o -n "$MINIMAL_ONLY" ]; then
+  if [ "$ALIVE_CNT" -gt "0" ]; then
+    echo "  Pending per fuzzer : $((TOTAL_PFAV/ALIVE_CNT)) faves, $((TOTAL_PENDING/ALIVE_CNT)) total (on average)"
+  fi
+fi
+
+echo "    Coverage reached : ${TOTAL_COVERAGE}%"
+echo "       Crashes saved : $TOTAL_CRASHES"
+if [ -z "$MINIMAL_ONLY" ]; then
+  echo "         Hangs saved : $TOTAL_HANGS"
+  echo "Cycles without finds : $TOTAL_WCOP"
+fi
+echo "  Time without finds : $TOTAL_LAST_FIND"
 echo
 
 exit 0

afl-wine-trace

@@ -0,0 +1,80 @@
+#!/usr/bin/env python3
+
+import os
+import sys
+import pefile
+import shutil
+import subprocess
+
+if len(sys.argv) < 2:
+    print("[afl-wine-trace] usage: ./afl-wine-trace binary [args...]\n")
+    exit(1)
+
+if os.getenv("AFL_PATH"):
+    my_dir = os.getenv("AFL_PATH")
+else:
+    my_dir = os.path.dirname(os.path.abspath(__file__))
+
+os.environ["WINELOADERNOEXEC"] = "1"
+
+pe = pefile.PE(sys.argv[1])
+
+if "AFL_ENTRYPOINT" not in os.environ:
+    os.environ["AFL_ENTRYPOINT"] = "0x%x" % (pe.OPTIONAL_HEADER.ImageBase + pe.OPTIONAL_HEADER.AddressOfEntryPoint)
+if not os.getenv("AFL_INST_LIBS"):
+    if "AFL_CODE_START" not in os.environ:
+        os.environ["AFL_CODE_START"] = "0x%x" % (pe.OPTIONAL_HEADER.ImageBase + pe.OPTIONAL_HEADER.BaseOfCode)
+    if "AFL_CODE_END" not in os.environ:
+        os.environ["AFL_CODE_END"] = "0x%x" % (pe.OPTIONAL_HEADER.ImageBase + pe.OPTIONAL_HEADER.BaseOfCode + pe.OPTIONAL_HEADER.SizeOfCode)
+
+if pe.FILE_HEADER.Machine == pefile.MACHINE_TYPE["IMAGE_FILE_MACHINE_AMD64"] or pe.FILE_HEADER.Machine == pefile.MACHINE_TYPE["IMAGE_FILE_MACHINE_IA64"]:
+    os.environ["QEMU_SET_ENV"] = "LD_PRELOAD=" + os.path.join(my_dir, "qemu_mode/unsigaction/unsigaction64.so") + ",WINEARCH=win64"
+else:
+    os.environ["QEMU_SET_ENV"] = "LD_PRELOAD=" + os.path.join(my_dir, "qemu_mode/unsigaction/unsigaction32.so") + ",WINEARCH=win32"
+
+if os.getenv("WINECOV_QEMU_PATH"):
+    qemu_path = os.getenv("WINECOV_QEMU_PATH")
+elif os.path.exists(os.path.join(my_dir, "afl-qemu-trace")):
+    qemu_path = os.path.join(my_dir, "afl-qemu-trace")
+else:
+    qemu_path = "qemu-"
+    if pe.FILE_HEADER.Machine == pefile.MACHINE_TYPE["IMAGE_FILE_MACHINE_AMD64"] or pe.FILE_HEADER.Machine == pefile.MACHINE_TYPE["IMAGE_FILE_MACHINE_IA64"]:
+        qemu_path += "x86_64"
+    elif pe.FILE_HEADER.Machine == pefile.MACHINE_TYPE["IMAGE_FILE_MACHINE_I386"]:
+        qemu_path += "i386"
+    else:
+        print ("[afl-wine-trace] unsuppoted architecture\n")
+        exit(1)
+    qemu_path = shutil.which(qemu_path)
+
+wine_path = None
+if os.getenv("AFL_WINE_PATH"):
+    wine_path = os.getenv("AFL_WINE_PATH")
+else:
+    if not wine_path and shutil.which("wine"):
+        wine_path = shutil.which("wine")
+    if not wine_path and os.path.exists("/usr/bin/wine"):
+        wine_path = "/usr/bin/wine"
+    if not wine_path and os.path.exists("/usr/lib/wine/wine"):
+        wine_path = "/usr/lib/wine/wine"
+    if pe.FILE_HEADER.Machine == pefile.MACHINE_TYPE["IMAGE_FILE_MACHINE_AMD64"] or pe.FILE_HEADER.Machine == pefile.MACHINE_TYPE["IMAGE_FILE_MACHINE_IA64"]:
+        wine_path += "64"
+    elif pe.FILE_HEADER.Machine == pefile.MACHINE_TYPE["IMAGE_FILE_MACHINE_I386"]:
+        pass
+    else:
+        print ("[afl-wine-trace] unsopported architecture\n")
+        exit(1)
+
+argv = sys.argv[1:]
+for i in range(len(argv)):
+    if ".cur_input" in argv[i]:
+        # Get the Wine translated path using the winepath tool
+        arg_translated = subprocess.run([os.path.join(os.path.dirname(wine_path), "winepath"), "--windows", argv[i]], universal_newlines=True, stdout=subprocess.PIPE).stdout
+        # Remove the spurious LF at the end of the path
+        if len(arg_translated) > 0 and arg_translated[-1] == '\n':
+            arg_translated = arg_translated[:-1]
+        argv[i] = arg_translated
+        break
+
+print("[afl-wine-trace] exec:", " ".join([qemu_path, wine_path] + argv))
+os.execve(qemu_path, [qemu_path, wine_path] + argv, os.environ)

alloc-inl.h

@@ -1,570 +0,0 @@
-/*
-   american fuzzy lop - error-checking, memory-zeroing alloc routines
-   ------------------------------------------------------------------
-
-   Written and maintained by Michal Zalewski <lcamtuf@google.com>
-
-   Copyright 2013, 2014, 2015 Google Inc. All rights reserved.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at:
-
-     http://www.apache.org/licenses/LICENSE-2.0
-
-   This allocator is not designed to resist malicious attackers (the canaries
-   are small and predictable), but provides a robust and portable way to detect
-   use-after-free, off-by-one writes, stale pointers, and so on.
-
- */
-
-#ifndef _HAVE_ALLOC_INL_H
-#define _HAVE_ALLOC_INL_H
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "config.h"
-#include "types.h"
-#include "debug.h"
-
-/* User-facing macro to sprintf() to a dynamically allocated buffer. */
-
-#define alloc_printf(_str...) ({ \
-    u8* _tmp; \
-    s32 _len = snprintf(NULL, 0, _str); \
-    if (_len < 0) FATAL("Whoa, snprintf() fails?!"); \
-    _tmp = ck_alloc(_len + 1); \
-    snprintf((char*)_tmp, _len + 1, _str); \
-    _tmp; \
-  })
-
-/* Macro to enforce allocation limits as a last-resort defense against
-   integer overflows. */
-
-#define ALLOC_CHECK_SIZE(_s) do { \
-    if ((_s) > MAX_ALLOC) \
-      ABORT("Bad alloc request: %u bytes", (_s)); \
-  } while (0)
-
-/* Macro to check malloc() failures and the like. */
-
-#define ALLOC_CHECK_RESULT(_r, _s) do { \
-    if (!(_r)) \
-      ABORT("Out of memory: can't allocate %u bytes", (_s)); \
-  } while (0)
-
-/* Magic tokens used to mark used / freed chunks. */
-
-#define ALLOC_MAGIC_C1  0xFF00FF00 /* Used head (dword)  */
-#define ALLOC_MAGIC_F   0xFE00FE00 /* Freed head (dword) */
-#define ALLOC_MAGIC_C2  0xF0       /* Used tail (byte)   */
-
-/* Positions of guard tokens in relation to the user-visible pointer. */
-
-#define ALLOC_C1(_ptr)  (((u32*)(_ptr))[-2])
-#define ALLOC_S(_ptr)   (((u32*)(_ptr))[-1])
-#define ALLOC_C2(_ptr)  (((u8*)(_ptr))[ALLOC_S(_ptr)])
-
-#define ALLOC_OFF_HEAD  8
-#define ALLOC_OFF_TOTAL (ALLOC_OFF_HEAD + 1)
-
-/* Allocator increments for ck_realloc_block(). */
-
-#define ALLOC_BLK_INC    256
-
-/* Sanity-checking macros for pointers. */
-
-#define CHECK_PTR(_p) do { \
-    if (_p) { \
-      if (ALLOC_C1(_p) ^ ALLOC_MAGIC_C1) {\
-        if (ALLOC_C1(_p) == ALLOC_MAGIC_F) \
-          ABORT("Use after free."); \
-        else ABORT("Corrupted head alloc canary."); \
-      } \
-      if (ALLOC_C2(_p) ^ ALLOC_MAGIC_C2) \
-        ABORT("Corrupted tail alloc canary."); \
-    } \
-  } while (0)
-
-#define CHECK_PTR_EXPR(_p) ({ \
-    typeof (_p) _tmp = (_p); \
-    CHECK_PTR(_tmp); \
-    _tmp; \
-  })
-
-
-/* Allocate a buffer, explicitly not zeroing it. Returns NULL for zero-sized
-   requests. */
-
-static inline void* DFL_ck_alloc_nozero(u32 size) {
-
-  void* ret;
-
-  if (!size) return NULL;
-
-  ALLOC_CHECK_SIZE(size);
-  ret = malloc(size + ALLOC_OFF_TOTAL);
-  ALLOC_CHECK_RESULT(ret, size);
-
-  ret += ALLOC_OFF_HEAD;
-
-  ALLOC_C1(ret) = ALLOC_MAGIC_C1;
-  ALLOC_S(ret)  = size;
-  ALLOC_C2(ret) = ALLOC_MAGIC_C2;
-
-  return ret;
-
-}
-
-
-/* Allocate a buffer, returning zeroed memory. */
-
-static inline void* DFL_ck_alloc(u32 size) {
-
-  void* mem;
-
-  if (!size) return NULL;
-  mem = DFL_ck_alloc_nozero(size);
-
-  return memset(mem, 0, size);
-
-}
-
-
-/* Free memory, checking for double free and corrupted heap. When DEBUG_BUILD
-   is set, the old memory will be also clobbered with 0xFF. */
-
-static inline void DFL_ck_free(void* mem) {
-
-  if (!mem) return;
-
-  CHECK_PTR(mem);
-
-#ifdef DEBUG_BUILD
-
-  /* Catch pointer issues sooner. */
-  memset(mem, 0xFF, ALLOC_S(mem));
-
-#endif /* DEBUG_BUILD */
-
-  ALLOC_C1(mem) = ALLOC_MAGIC_F;
-
-  free(mem - ALLOC_OFF_HEAD);
-
-}
-
-
-/* Re-allocate a buffer, checking for issues and zeroing any newly-added tail.
-   With DEBUG_BUILD, the buffer is always reallocated to a new addresses and the
-   old memory is clobbered with 0xFF. */
-
-static inline void* DFL_ck_realloc(void* orig, u32 size) {
-
-  void* ret;
-  u32   old_size = 0;
-
-  if (!size) {
-
-    DFL_ck_free(orig);
-    return NULL;
-
-  }
-
-  if (orig) {
-
-    CHECK_PTR(orig);
-
-#ifndef DEBUG_BUILD
-    ALLOC_C1(orig) = ALLOC_MAGIC_F;
-#endif /* !DEBUG_BUILD */
-
-    old_size  = ALLOC_S(orig);
-    orig     -= ALLOC_OFF_HEAD;
-
-    ALLOC_CHECK_SIZE(old_size);
-
-  }
-
-  ALLOC_CHECK_SIZE(size);
-
-#ifndef DEBUG_BUILD
-
-  ret = realloc(orig, size + ALLOC_OFF_TOTAL);
-  ALLOC_CHECK_RESULT(ret, size);
-
-#else
-
-  /* Catch pointer issues sooner: force relocation and make sure that the
-     original buffer is wiped. */
-
-  ret = malloc(size + ALLOC_OFF_TOTAL);
-  ALLOC_CHECK_RESULT(ret, size);
-
-  if (orig) {
-
-    memcpy(ret + ALLOC_OFF_HEAD, orig + ALLOC_OFF_HEAD, MIN(size, old_size));
-    memset(orig + ALLOC_OFF_HEAD, 0xFF, old_size);
-
-    ALLOC_C1(orig + ALLOC_OFF_HEAD) = ALLOC_MAGIC_F;
-
-    free(orig);
-
-  }
-
-#endif /* ^!DEBUG_BUILD */
-
-  ret += ALLOC_OFF_HEAD;
-
-  ALLOC_C1(ret) = ALLOC_MAGIC_C1;
-  ALLOC_S(ret)  = size;
-  ALLOC_C2(ret) = ALLOC_MAGIC_C2;
-
-  if (size > old_size)
-    memset(ret + old_size, 0, size - old_size);
-
-  return ret;
-
-}
-
-
-/* Re-allocate a buffer with ALLOC_BLK_INC increments (used to speed up
-   repeated small reallocs without complicating the user code). */
-
-static inline void* DFL_ck_realloc_block(void* orig, u32 size) {
-
-#ifndef DEBUG_BUILD
-
-  if (orig) {
-
-    CHECK_PTR(orig);
-
-    if (ALLOC_S(orig) >= size) return orig;
-
-    size += ALLOC_BLK_INC;
-
-  }
-
-#endif /* !DEBUG_BUILD */
-
-  return DFL_ck_realloc(orig, size);
-
-}
-
-
-/* Create a buffer with a copy of a string. Returns NULL for NULL inputs. */
-
-static inline u8* DFL_ck_strdup(u8* str) {
-
-  void* ret;
-  u32   size;
-
-  if (!str) return NULL;
-
-  size = strlen((char*)str) + 1;
-
-  ALLOC_CHECK_SIZE(size);
-  ret = malloc(size + ALLOC_OFF_TOTAL);
-  ALLOC_CHECK_RESULT(ret, size);
-
-  ret += ALLOC_OFF_HEAD;
-
-  ALLOC_C1(ret) = ALLOC_MAGIC_C1;
-  ALLOC_S(ret)  = size;
-  ALLOC_C2(ret) = ALLOC_MAGIC_C2;
-
-  return memcpy(ret, str, size);
-
-}
-
-
-/* Create a buffer with a copy of a memory block. Returns NULL for zero-sized
-   or NULL inputs. */
-
-static inline void* DFL_ck_memdup(void* mem, u32 size) {
-
-  void* ret;
-
-  if (!mem || !size) return NULL;
-
-  ALLOC_CHECK_SIZE(size);
-  ret = malloc(size + ALLOC_OFF_TOTAL);
-  ALLOC_CHECK_RESULT(ret, size);
-  
-  ret += ALLOC_OFF_HEAD;
-
-  ALLOC_C1(ret) = ALLOC_MAGIC_C1;
-  ALLOC_S(ret)  = size;
-  ALLOC_C2(ret) = ALLOC_MAGIC_C2;
-
-  return memcpy(ret, mem, size);
-
-}
-
-
-/* Create a buffer with a block of text, appending a NUL terminator at the end.
-   Returns NULL for zero-sized or NULL inputs. */
-
-static inline u8* DFL_ck_memdup_str(u8* mem, u32 size) {
-
-  u8* ret;
-
-  if (!mem || !size) return NULL;
-
-  ALLOC_CHECK_SIZE(size);
-  ret = malloc(size + ALLOC_OFF_TOTAL + 1);
-  ALLOC_CHECK_RESULT(ret, size);
-  
-  ret += ALLOC_OFF_HEAD;
-
-  ALLOC_C1(ret) = ALLOC_MAGIC_C1;
-  ALLOC_S(ret)  = size;
-  ALLOC_C2(ret) = ALLOC_MAGIC_C2;
-
-  memcpy(ret, mem, size);
-  ret[size] = 0;
-
-  return ret;
-
-}
-
-
-#ifndef DEBUG_BUILD
-
-/* In non-debug mode, we just do straightforward aliasing of the above functions
-   to user-visible names such as ck_alloc(). */
-
-#define ck_alloc          DFL_ck_alloc
-#define ck_alloc_nozero   DFL_ck_alloc_nozero
-#define ck_realloc        DFL_ck_realloc
-#define ck_realloc_block  DFL_ck_realloc_block
-#define ck_strdup         DFL_ck_strdup
-#define ck_memdup         DFL_ck_memdup
-#define ck_memdup_str     DFL_ck_memdup_str
-#define ck_free           DFL_ck_free
-
-#define alloc_report()
-
-#else
-
-/* In debugging mode, we also track allocations to detect memory leaks, and the
-   flow goes through one more layer of indirection. */
-
-/* Alloc tracking data structures: */
-
-#define ALLOC_BUCKETS     4096
-
-struct TRK_obj {
-  void *ptr;
-  char *file, *func;
-  u32  line;
-};
-
-#ifdef AFL_MAIN
-
-struct TRK_obj* TRK[ALLOC_BUCKETS];
-u32 TRK_cnt[ALLOC_BUCKETS];
-
-#  define alloc_report() TRK_report()
-
-#else
-
-extern struct TRK_obj* TRK[ALLOC_BUCKETS];
-extern u32 TRK_cnt[ALLOC_BUCKETS];
-
-#  define alloc_report()
-
-#endif /* ^AFL_MAIN */
-
-/* Bucket-assigning function for a given pointer: */
-
-#define TRKH(_ptr) (((((u32)(_ptr)) >> 16) ^ ((u32)(_ptr))) % ALLOC_BUCKETS)
-
-
-/* Add a new entry to the list of allocated objects. */
-
-static inline void TRK_alloc_buf(void* ptr, const char* file, const char* func,
-                                 u32 line) {
-
-  u32 i, bucket;
-
-  if (!ptr) return;
-
-  bucket = TRKH(ptr);
-
-  /* Find a free slot in the list of entries for that bucket. */
-
-  for (i = 0; i < TRK_cnt[bucket]; i++)
-
-    if (!TRK[bucket][i].ptr) {
-
-      TRK[bucket][i].ptr  = ptr;
-      TRK[bucket][i].file = (char*)file;
-      TRK[bucket][i].func = (char*)func;
-      TRK[bucket][i].line = line;
-      return;
-
-    }
-
-  /* No space available - allocate more. */
-
-  TRK[bucket] = DFL_ck_realloc_block(TRK[bucket],
-    (TRK_cnt[bucket] + 1) * sizeof(struct TRK_obj));
-
-  TRK[bucket][i].ptr  = ptr;
-  TRK[bucket][i].file = (char*)file;
-  TRK[bucket][i].func = (char*)func;
-  TRK[bucket][i].line = line;
-
-  TRK_cnt[bucket]++;
-
-}
-
-
-/* Remove entry from the list of allocated objects. */
-
-static inline void TRK_free_buf(void* ptr, const char* file, const char* func,
-                                u32 line) {
-
-  u32 i, bucket;
-
-  if (!ptr) return;
-
-  bucket = TRKH(ptr);
-
-  /* Find the element on the list... */
-
-  for (i = 0; i < TRK_cnt[bucket]; i++)
-
-    if (TRK[bucket][i].ptr == ptr) {
-
-      TRK[bucket][i].ptr = 0;
-      return;
-
-    }
-
-  WARNF("ALLOC: Attempt to free non-allocated memory in %s (%s:%u)",
-        func, file, line);
-
-}
-
-
-/* Do a final report on all non-deallocated objects. */
-
-static inline void TRK_report(void) {
-
-  u32 i, bucket;
-
-  fflush(0);
-
-  for (bucket = 0; bucket < ALLOC_BUCKETS; bucket++)
-    for (i = 0; i < TRK_cnt[bucket]; i++)
-      if (TRK[bucket][i].ptr)
-        WARNF("ALLOC: Memory never freed, created in %s (%s:%u)",
-              TRK[bucket][i].func, TRK[bucket][i].file, TRK[bucket][i].line);
-
-}
-
-
-/* Simple wrappers for non-debugging functions: */
-
-static inline void* TRK_ck_alloc(u32 size, const char* file, const char* func,
-                                 u32 line) {
-
-  void* ret = DFL_ck_alloc(size);
-  TRK_alloc_buf(ret, file, func, line);
-  return ret;
-
-}
-
-
-static inline void* TRK_ck_realloc(void* orig, u32 size, const char* file,
-                                   const char* func, u32 line) {
-
-  void* ret = DFL_ck_realloc(orig, size);
-  TRK_free_buf(orig, file, func, line);
-  TRK_alloc_buf(ret, file, func, line);
-  return ret;
-
-}
-
-
-static inline void* TRK_ck_realloc_block(void* orig, u32 size, const char* file,
-                                         const char* func, u32 line) {
-
-  void* ret = DFL_ck_realloc_block(orig, size);
-  TRK_free_buf(orig, file, func, line);
-  TRK_alloc_buf(ret, file, func, line);
-  return ret;
-
-}
-
-
-static inline void* TRK_ck_strdup(u8* str, const char* file, const char* func,
-                                  u32 line) {
-
-  void* ret = DFL_ck_strdup(str);
-  TRK_alloc_buf(ret, file, func, line);
-  return ret;
-
-}
-
-
-static inline void* TRK_ck_memdup(void* mem, u32 size, const char* file,
-                                  const char* func, u32 line) {
-
-  void* ret = DFL_ck_memdup(mem, size);
-  TRK_alloc_buf(ret, file, func, line);
-  return ret;
-
-}
-
-
-static inline void* TRK_ck_memdup_str(void* mem, u32 size, const char* file,
-                                      const char* func, u32 line) {
-
-  void* ret = DFL_ck_memdup_str(mem, size);
-  TRK_alloc_buf(ret, file, func, line);
-  return ret;
-
-}
-
-
-static inline void TRK_ck_free(void* ptr, const char* file,
-                                const char* func, u32 line) {
-
-  TRK_free_buf(ptr, file, func, line);
-  DFL_ck_free(ptr);
-
-}
-
-/* Aliasing user-facing names to tracking functions: */
-
-#define ck_alloc(_p1) \
-  TRK_ck_alloc(_p1, __FILE__, __FUNCTION__, __LINE__)
-
-#define ck_alloc_nozero(_p1) \
-  TRK_ck_alloc(_p1, __FILE__, __FUNCTION__, __LINE__)
-
-#define ck_realloc(_p1, _p2) \
-  TRK_ck_realloc(_p1, _p2, __FILE__, __FUNCTION__, __LINE__)
-
-#define ck_realloc_block(_p1, _p2) \
-  TRK_ck_realloc_block(_p1, _p2, __FILE__, __FUNCTION__, __LINE__)
-
-#define ck_strdup(_p1) \
-  TRK_ck_strdup(_p1, __FILE__, __FUNCTION__, __LINE__)
-
-#define ck_memdup(_p1, _p2) \
-  TRK_ck_memdup(_p1, _p2, __FILE__, __FUNCTION__, __LINE__)
-
-#define ck_memdup_str(_p1, _p2) \
-  TRK_ck_memdup_str(_p1, _p2, __FILE__, __FUNCTION__, __LINE__)
-
-#define ck_free(_p1) \
-  TRK_ck_free(_p1, __FILE__, __FUNCTION__, __LINE__)
-
-#endif /* ^!DEBUG_BUILD */
-
-#endif /* ! _HAVE_ALLOC_INL_H */

benchmark/COMPARISON.md

@@ -0,0 +1,9 @@
+CPU                                                 | MHz   | threads | singlecore | multicore | afl-*-config |
+====================================================|=======|=========|============|===========|==============|
+Raspberry Pi 5                                      | 2400  | 4       | 25786      | 101114    | both         |
+AMD EPYC 7282 16-Core Processor                     | 3194  | 32      | 87199      | 769001    | both         |
+AMD Ryzen 5 PRO 4650G with Radeon Graphics          | 3700  | 12      | 95356      | 704840    | both         |
+Intel(R) Core(TM) i9-9900K CPU @ 3.60GHz            | 4995  | 16      | 120064     | 1168943   | both         |
+12th Gen Intel(R) Core(TM) i7-1270P                 | 4761  | 16      | 149778     | 641219    | both         |
+AMD Ryzen 9 5950X 16-Core Processor                 | 4792  | 32      | 161690     | 2339763   | both         |
+Apple Mac Studio M2 Ultra 2023, Linux VM guest      | 3500  | 16      | 163570     | 1157465   | both         |

benchmark/README.md

@@ -0,0 +1,59 @@
+# American Fuzzy Lop plus plus (AFL++)
+
+## benchmarking
+
+This directory contains benchmarking tools that allow you to compare one machine
+with another in terms of raw ability to execute a fuzzing target repeatedly.
+
+To achieve this, we use a sample program ("test-instr.c") where each path is
+equally likely, supply it a single seed, and tell AFL to exit after one run of
+deterministic mutations against that seed.
+
+**Note that this is not a real-world scenario!**
+Because the target does basically nothing this is rather a stress test on
+Kernel I/O / context switching.
+For this reason you will not see a difference if you run the multicore test
+with 20 or 40 threads - or even see the performance decline the more threads
+(`-f` parameter) you use. In a real-world scenario you can expect to gain
+exec/s until 40-60 threads (if you have that many available on your CPU).
+
+Usage example:
+
+```
+cd aflplusplus/benchmark
+python3 benchmark.py
+ [*] Ready, starting benchmark...
+ [*] Compiling the test-instr-persist-shmem fuzzing harness for the benchmark to use.
+ [*] singlecore test-instr-persist-shmem run 1 of 2, execs/s: 124883.62
+ [*] singlecore test-instr-persist-shmem run 2 of 2, execs/s: 126704.93
+ [*] Average execs/sec for this test across all runs was: 125794.28
+ [*] Using 16 fuzzers for multicore fuzzing (use --fuzzers to override).
+ [*] multicore test-instr-persist-shmem run 1 of 2, execs/s: 1179822.66
+ [*] multicore test-instr-persist-shmem run 2 of 2, execs/s: 1175584.09
+ [*] Average execs/sec for this test across all runs was: 1177703.38
+ [*] Results have been written to the benchmark-results.jsonl file.
+ [*] Results have been written to the COMPARISON.md file.
+```
+
+By default, the script will use a number of parallel fuzzers equal to your
+available CPUs/threads (change with `--fuzzers`), and will perform each test
+three times and average the result (change with `--runs`).
+
+The script will use multicore fuzzing instead of singlecore by default (change
+with `--mode singlecore`) and use a persistent-mode shared memory harness for
+optimal speed (change with `--target test-instr`).
+
+Feel free to submit the resulting line for your CPU added to the COMPARISON.md
+and benchmark-results.jsonl files back to AFL++ in a pull request.
+
+Each run writes results to [benchmark-results.jsonl](benchmark-results.jsonl)
+in [JSON Lines](https://jsonlines.org/) format, ready to be pulled in to other
+tools such as [jq -cs](https://jqlang.github.io/jq/) or
+[pandas](https://pandas.pydata.org/) for analysis.
+
+## Data analysis
+
+There is sample data in [benchmark-results.jsonl](benchmark-results.jsonl), and
+a Jupyter notebook for exploring the results and suggesting their meaning at
+[benchmark.ipynb](benchmark.ipynb).
+

benchmark/benchmark-results.jsonl

@@ -0,0 +1,420 @@
+{"config": {"afl_persistent_config": true, "afl_system_config": true, "afl_version": "++4.09a", "comment": "i9-9900k, 16GB DDR4-3000, Arch Linux", "compiler": "clang version 16.0.6", "target_arch": "x86_64-pc-linux-gnu"}, "hardware": {"cpu_fastest_core_mhz": 4788.77, "cpu_model": "Intel(R) Core(TM) i9-9900K CPU @ 3.60GHz", "cpu_threads": 16}, "targets": {"test-instr": {"singlecore": {"execs_per_sec": 9845.64, "execs_total": 98545, "fuzzers_used": 1}}}}
+{"config": {"afl_persistent_config": true, "afl_system_config": true, "afl_version": "++4.09a", "comment": "i9-9900k, 16GB DDR4-3000, Arch Linux", "compiler": "clang version 16.0.6", "target_arch": "x86_64-pc-linux-gnu"}, "hardware": {"cpu_fastest_core_mhz": 4989.281, "cpu_model": "Intel(R) Core(TM) i9-9900K CPU @ 3.60GHz", "cpu_threads": 16}, "targets": {"test-instr-persist-shmem": {"singlecore": {"execs_per_sec": 125682.73, "execs_total": 1257330, "fuzzers_used": 1}}}}
+{"config": {"afl_persistent_config": true, "afl_system_config": true, "afl_version": "++4.09a", "comment": "i9-9900k, 16GB DDR4-3000, Arch Linux", "compiler": "clang version 16.0.6", "target_arch": "x86_64-pc-linux-gnu"}, "hardware": {"cpu_fastest_core_mhz": 4799.415, "cpu_model": "Intel(R) Core(TM) i9-9900K CPU @ 3.60GHz", "cpu_threads": 16}, "targets": {"test-instr-persist-shmem": {"multicore": {"execs_per_sec": 120293.77, "execs_total": 1203058, "fuzzers_used": 1}}}}
+{"config": {"afl_persistent_config": true, "afl_system_config": true, "afl_version": "++4.09a", "comment": "i9-9900k, 16GB DDR4-3000, Arch Linux", "compiler": "clang version 16.0.6", "target_arch": "x86_64-pc-linux-gnu"}, "hardware": {"cpu_fastest_core_mhz": 4703.293, "cpu_model": "Intel(R) Core(TM) i9-9900K CPU @ 3.60GHz", "cpu_threads": 16}, "targets": {"test-instr-persist-shmem": {"multicore": {"execs_per_sec": 231429.96, "execs_total": 2314531, "fuzzers_used": 2}}}}
+{"config": {"afl_persistent_config": true, "afl_system_config": true, "afl_version": "++4.09a", "comment": "i9-9900k, 16GB DDR4-3000, Arch Linux", "compiler": "clang version 16.0.6", "target_arch": "x86_64-pc-linux-gnu"}, "hardware": {"cpu_fastest_core_mhz": 4800.375, "cpu_model": "Intel(R) Core(TM) i9-9900K CPU @ 3.60GHz", "cpu_threads": 16}, "targets": {"test-instr-persist-shmem": {"multicore": {"execs_per_sec": 346759.33, "execs_total": 3468290, "fuzzers_used": 3}}}}
+{"config": {"afl_persistent_config": true, "afl_system_config": true, "afl_version": "++4.09a", "comment": "i9-9900k, 16GB DDR4-3000, Arch Linux", "compiler": "clang version 16.0.6", "target_arch": "x86_64-pc-linux-gnu"}, "hardware": {"cpu_fastest_core_mhz": 4915.27, "cpu_model": "Intel(R) Core(TM) i9-9900K CPU @ 3.60GHz", "cpu_threads": 16}, "targets": {"test-instr-persist-shmem": {"multicore": {"execs_per_sec": 455340.06, "execs_total": 4554427, "fuzzers_used": 4}}}}
+{"config": {"afl_persistent_config": true, "afl_system_config": true, "afl_version": "++4.09a", "comment": "i9-9900k, 16GB DDR4-3000, Arch Linux", "compiler": "clang version 16.0.6", "target_arch": "x86_64-pc-linux-gnu"}, "hardware": {"cpu_fastest_core_mhz": 4701.051, "cpu_model": "Intel(R) Core(TM) i9-9900K CPU @ 3.60GHz", "cpu_threads": 16}, "targets": {"test-instr-persist-shmem": {"multicore": {"execs_per_sec": 568405.15, "execs_total": 5685076, "fuzzers_used": 5}}}}
+{"config": {"afl_persistent_config": true, "afl_system_config": true, "afl_version": "++4.09a", "comment": "i9-9900k, 16GB DDR4-3000, Arch Linux", "compiler": "clang version 16.0.6", "target_arch": "x86_64-pc-linux-gnu"}, "hardware": {"cpu_fastest_core_mhz": 4704.999, "cpu_model": "Intel(R) Core(TM) i9-9900K CPU @ 3.60GHz", "cpu_threads": 16}, "targets": {"test-instr-persist-shmem": {"multicore": {"execs_per_sec": 678030.96, "execs_total": 6781781, "fuzzers_used": 6}}}}
+{"config": {"afl_persistent_config": true, "afl_system_config": true, "afl_version": "++4.09a", "comment": "i9-9900k, 16GB DDR4-3000, Arch Linux", "compiler": "clang version 16.0.6", "target_arch": "x86_64-pc-linux-gnu"}, "hardware": {"cpu_fastest_core_mhz": 4800.438, "cpu_model": "Intel(R) Core(TM) i9-9900K CPU @ 3.60GHz", "cpu_threads": 16}, "targets": {"test-instr-persist-shmem": {"multicore": {"execs_per_sec": 782585.04, "execs_total": 7827974, "fuzzers_used": 7}}}}
+{"config": {"afl_persistent_config": true, "afl_system_config": true, "afl_version": "++4.09a", "comment": "i9-9900k, 16GB DDR4-3000, Arch Linux", "compiler": "clang version 16.0.6", "target_arch": "x86_64-pc-linux-gnu"}, "hardware": {"cpu_fastest_core_mhz": 4794.851, "cpu_model": "Intel(R) Core(TM) i9-9900K CPU @ 3.60GHz", "cpu_threads": 16}, "targets": {"test-instr-persist-shmem": {"multicore": {"execs_per_sec": 893618.35, "execs_total": 8938405, "fuzzers_used": 8}}}}
+{"config": {"afl_persistent_config": true, "afl_system_config": true, "afl_version": "++4.09a", "comment": "i9-9900k, 16GB DDR4-3000, Arch Linux", "compiler": "clang version 16.0.6", "target_arch": "x86_64-pc-linux-gnu"}, "hardware": {"cpu_fastest_core_mhz": 4998.383, "cpu_model": "Intel(R) Core(TM) i9-9900K CPU @ 3.60GHz", "cpu_threads": 16}, "targets": {"test-instr-persist-shmem": {"multicore": {"execs_per_sec": 956026.15, "execs_total": 9562791, "fuzzers_used": 9}}}}
+{"config": {"afl_persistent_config": true, "afl_system_config": true, "afl_version": "++4.09a", "comment": "i9-9900k, 16GB DDR4-3000, Arch Linux", "compiler": "clang version 16.0.6", "target_arch": "x86_64-pc-linux-gnu"}, "hardware": {"cpu_fastest_core_mhz": 4997.352, "cpu_model": "Intel(R) Core(TM) i9-9900K CPU @ 3.60GHz", "cpu_threads": 16}, "targets": {"test-instr-persist-shmem": {"multicore": {"execs_per_sec": 984942.13, "execs_total": 9853724, "fuzzers_used": 10}}}}
+{"config": {"afl_persistent_config": true, "afl_system_config": true, "afl_version": "++4.09a", "comment": "i9-9900k, 16GB DDR4-3000, Arch Linux", "compiler": "clang version 16.0.6", "target_arch": "x86_64-pc-linux-gnu"}, "hardware": {"cpu_fastest_core_mhz": 4987.681, "cpu_model": "Intel(R) Core(TM) i9-9900K CPU @ 3.60GHz", "cpu_threads": 16}, "targets": {"test-instr-persist-shmem": {"multicore": {"execs_per_sec": 1016758.62, "execs_total": 10172892, "fuzzers_used": 11}}}}
+{"config": {"afl_persistent_config": true, "afl_system_config": true, "afl_version": "++4.09a", "comment": "i9-9900k, 16GB DDR4-3000, Arch Linux", "compiler": "clang version 16.0.6", "target_arch": "x86_64-pc-linux-gnu"}, "hardware": {"cpu_fastest_core_mhz": 4998.196, "cpu_model": "Intel(R) Core(TM) i9-9900K CPU @ 3.60GHz", "cpu_threads": 16}, "targets": {"test-instr-persist-shmem": {"multicore": {"execs_per_sec": 1053087.9, "execs_total": 10536439, "fuzzers_used": 12}}}}
+{"config": {"afl_persistent_config": true, "afl_system_config": true, "afl_version": "++4.09a", "comment": "i9-9900k, 16GB DDR4-3000, Arch Linux", "compiler": "clang version 16.0.6", "target_arch": "x86_64-pc-linux-gnu"}, "hardware": {"cpu_fastest_core_mhz": 4995.211, "cpu_model": "Intel(R) Core(TM) i9-9900K CPU @ 3.60GHz", "cpu_threads": 16}, "targets": {"test-instr-persist-shmem": {"multicore": {"execs_per_sec": 1085797.87, "execs_total": 10865305, "fuzzers_used": 13}}}}
+{"config": {"afl_persistent_config": true, "afl_system_config": true, "afl_version": "++4.09a", "comment": "i9-9900k, 16GB DDR4-3000, Arch Linux", "compiler": "clang version 16.0.6", "target_arch": "x86_64-pc-linux-gnu"}, "hardware": {"cpu_fastest_core_mhz": 4997.577, "cpu_model": "Intel(R) Core(TM) i9-9900K CPU @ 3.60GHz", "cpu_threads": 16}, "targets": {"test-instr-persist-shmem": {"multicore": {"execs_per_sec": 1110640.2, "execs_total": 11114033, "fuzzers_used": 14}}}}
+{"config": {"afl_persistent_config": true, "afl_system_config": true, "afl_version": "++4.09a", "comment": "i9-9900k, 16GB DDR4-3000, Arch Linux", "compiler": "clang version 16.0.6", "target_arch": "x86_64-pc-linux-gnu"}, "hardware": {"cpu_fastest_core_mhz": 4799.955, "cpu_model": "Intel(R) Core(TM) i9-9900K CPU @ 3.60GHz", "cpu_threads": 16}, "targets": {"test-instr-persist-shmem": {"multicore": {"execs_per_sec": 1138984.22, "execs_total": 11397389, "fuzzers_used": 15}}}}
+{"config": {"afl_persistent_config": true, "afl_system_config": true, "afl_version": "++4.09a", "comment": "i9-9900k, 16GB DDR4-3000, Arch Linux", "compiler": "clang version 16.0.6", "target_arch": "x86_64-pc-linux-gnu"}, "hardware": {"cpu_fastest_core_mhz": 4997.247, "cpu_model": "Intel(R) Core(TM) i9-9900K CPU @ 3.60GHz", "cpu_threads": 16}, "targets": {"test-instr-persist-shmem": {"multicore": {"execs_per_sec": 1168943.19, "execs_total": 11699439, "fuzzers_used": 16}}}}
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+{"config": {"afl_persistent_config": true, "afl_system_config": true, "afl_version": "++4.09a", "comment": "AWS EC2 r6a.48xlarge spot instance", "compiler": "clang version 15.0.7 (Amazon Linux 15.0.7-3.amzn2023.0.1)", "target_arch": "x86_64-amazon-linux-gnu"}, "hardware": {"cpu_fastest_core_mhz": 3583.539, "cpu_model": "AMD EPYC 7R13 Processor", "cpu_threads": 192}, "targets": {"test-instr-persist-shmem": {"multicore": {"execs_per_sec": 472179.98, "execs_total": 4724913, "fuzzers_used": 185}}}}
+{"config": {"afl_persistent_config": true, "afl_system_config": true, "afl_version": "++4.09a", "comment": "AWS EC2 r6a.48xlarge spot instance", "compiler": "clang version 15.0.7 (Amazon Linux 15.0.7-3.amzn2023.0.1)", "target_arch": "x86_64-amazon-linux-gnu"}, "hardware": {"cpu_fastest_core_mhz": 3598.57, "cpu_model": "AMD EPYC 7R13 Processor", "cpu_threads": 192}, "targets": {"test-instr-persist-shmem": {"multicore": {"execs_per_sec": 465528.62, "execs_total": 4658439, "fuzzers_used": 186}}}}
+{"config": {"afl_persistent_config": true, "afl_system_config": true, "afl_version": "++4.09a", "comment": "AWS EC2 r6a.48xlarge spot instance", "compiler": "clang version 15.0.7 (Amazon Linux 15.0.7-3.amzn2023.0.1)", "target_arch": "x86_64-amazon-linux-gnu"}, "hardware": {"cpu_fastest_core_mhz": 3587.126, "cpu_model": "AMD EPYC 7R13 Processor", "cpu_threads": 192}, "targets": {"test-instr-persist-shmem": {"multicore": {"execs_per_sec": 476194.69, "execs_total": 4765385, "fuzzers_used": 187}}}}
+{"config": {"afl_persistent_config": true, "afl_system_config": true, "afl_version": "++4.09a", "comment": "AWS EC2 r6a.48xlarge spot instance", "compiler": "clang version 15.0.7 (Amazon Linux 15.0.7-3.amzn2023.0.1)", "target_arch": "x86_64-amazon-linux-gnu"}, "hardware": {"cpu_fastest_core_mhz": 3423.033, "cpu_model": "AMD EPYC 7R13 Processor", "cpu_threads": 192}, "targets": {"test-instr-persist-shmem": {"multicore": {"execs_per_sec": 475886.86, "execs_total": 4762069, "fuzzers_used": 188}}}}
+{"config": {"afl_persistent_config": true, "afl_system_config": true, "afl_version": "++4.09a", "comment": "AWS EC2 r6a.48xlarge spot instance", "compiler": "clang version 15.0.7 (Amazon Linux 15.0.7-3.amzn2023.0.1)", "target_arch": "x86_64-amazon-linux-gnu"}, "hardware": {"cpu_fastest_core_mhz": 3599.32, "cpu_model": "AMD EPYC 7R13 Processor", "cpu_threads": 192}, "targets": {"test-instr-persist-shmem": {"multicore": {"execs_per_sec": 473599.91, "execs_total": 4739128, "fuzzers_used": 189}}}}
+{"config": {"afl_persistent_config": true, "afl_system_config": true, "afl_version": "++4.09a", "comment": "AWS EC2 r6a.48xlarge spot instance", "compiler": "clang version 15.0.7 (Amazon Linux 15.0.7-3.amzn2023.0.1)", "target_arch": "x86_64-amazon-linux-gnu"}, "hardware": {"cpu_fastest_core_mhz": 3597.599, "cpu_model": "AMD EPYC 7R13 Processor", "cpu_threads": 192}, "targets": {"test-instr-persist-shmem": {"multicore": {"execs_per_sec": 476949.52, "execs_total": 4772500, "fuzzers_used": 190}}}}
+{"config": {"afl_persistent_config": true, "afl_system_config": true, "afl_version": "++4.09a", "comment": "AWS EC2 r6a.48xlarge spot instance", "compiler": "clang version 15.0.7 (Amazon Linux 15.0.7-3.amzn2023.0.1)", "target_arch": "x86_64-amazon-linux-gnu"}, "hardware": {"cpu_fastest_core_mhz": 3437.101, "cpu_model": "AMD EPYC 7R13 Processor", "cpu_threads": 192}, "targets": {"test-instr-persist-shmem": {"multicore": {"execs_per_sec": 474259.76, "execs_total": 4745505, "fuzzers_used": 191}}}}
+{"config": {"afl_persistent_config": true, "afl_system_config": true, "afl_version": "++4.09a", "comment": "AWS EC2 r6a.48xlarge spot instance", "compiler": "clang version 15.0.7 (Amazon Linux 15.0.7-3.amzn2023.0.1)", "target_arch": "x86_64-amazon-linux-gnu"}, "hardware": {"cpu_fastest_core_mhz": 3599.17, "cpu_model": "AMD EPYC 7R13 Processor", "cpu_threads": 192}, "targets": {"test-instr-persist-shmem": {"multicore": {"execs_per_sec": 479848.23, "execs_total": 4801111, "fuzzers_used": 192}}}}
+{"config": {"afl_persistent_config": true, "afl_system_config": true, "afl_version": "++4.09a", "comment": "", "compiler": "Debian clang version 17.0.4 (++20231031083102+309d55140c46-1~exp1~20231031083155.63)", "target_arch": "x86_64-pc-linux-gnu"}, "hardware": {"cpu_fastest_core_mhz": 4761.063, "cpu_model": "12th Gen Intel(R) Core(TM) i7-1270P", "cpu_threads": 16}, "targets": {"test-instr-persist-shmem": {"multicore": {"execs_per_sec": 641219.02, "execs_total": 19251242, "fuzzers_used": 16}, "singlecore": {"execs_per_sec": 149778.22, "execs_total": 4493796, "fuzzers_used": 1}}}}
+{"config": {"afl_persistent_config": true, "afl_system_config": true, "afl_version": "++4.09a", "comment": "", "compiler": "Ubuntu clang version 17.0.2 (++20231003073128+b2417f51dbbd-1~exp1~20231003073233.51)", "target_arch": "x86_64-pc-linux-gnu"}, "hardware": {"cpu_fastest_core_mhz": 3193.942, "cpu_model": "AMD EPYC 7282 16-Core Processor", "cpu_threads": 64}, "targets": {"test-instr-persist-shmem": {"multicore": {"execs_per_sec": 769000.8, "execs_total": 23084516, "fuzzers_used": 32}, "singlecore": {"execs_per_sec": 87198.85, "execs_total": 2616227, "fuzzers_used": 1}}}}
+{"config": {"afl_persistent_config": true, "afl_system_config": true, "afl_version": "++4.08a", "comment": "", "compiler": "Ubuntu clang version 14.0.0-1ubuntu1.1", "target_arch": "x86_64-pc-linux-gnu"}, "hardware": {"cpu_fastest_core_mhz": 3700.0, "cpu_model": "AMD Ryzen 5 PRO 4650G with Radeon Graphics", "cpu_threads": 12}, "targets": {"test-instr-persist-shmem": {"multicore": {"execs_per_sec": 704840.16, "execs_total": 21163992, "fuzzers_used": 12}, "singlecore": {"execs_per_sec": 95356.14, "execs_total": 2862114, "fuzzers_used": 1}}}}
+{"config": {"afl_persistent_config": true, "afl_system_config": true, "afl_version": "++4.09a", "comment": "", "compiler": "Debian clang version 14.0.6", "target_arch": "aarch64-unknown-linux-gnu"}, "hardware": {"cpu_fastest_core_mhz": 2400.0, "cpu_model": "Raspberry Pi 5", "cpu_threads": 4}, "targets": {"test-instr-persist-shmem": {"multicore": {"execs_per_sec": 101114.23, "execs_total": 3036637, "fuzzers_used": 4}, "singlecore": {"execs_per_sec": 25786.11, "execs_total": 774460, "fuzzers_used": 1}}}}
+{"config": {"afl_persistent_config": true, "afl_system_config": true, "afl_version": "++4.07a", "comment": "", "compiler": "Debian clang version 17.0.0 (++20230417071830+ae77aceba5ad-1~exp1~20230417071935.630)", "target_arch": "x86_64-pc-linux-gnu"}, "hardware": {"cpu_fastest_core_mhz": 4792.073, "cpu_model": "AMD Ryzen 9 5950X 16-Core Processor", "cpu_threads": 32}, "targets": {"test-instr-persist-shmem": {"multicore": {"execs_per_sec": 2339762.91, "execs_total": 70253164, "fuzzers_used": 32}, "singlecore": {"execs_per_sec": 161690.07, "execs_total": 4851838, "fuzzers_used": 1}}}}

benchmark/benchmark.py

@@ -0,0 +1,281 @@
+#!/usr/bin/env python3
+# Part of the aflplusplus project, requires Python 3.8+.
+# Author: Chris Ball <chris@printf.net>, ported from Marc "van Hauser" Heuse's "benchmark.sh".
+import argparse, asyncio, json, multiprocessing, os, platform, re, shutil, sys
+from dataclasses import asdict, dataclass
+from decimal import Decimal
+from enum import Enum, auto
+from pathlib import Path
+from typing import Dict, List, Optional, Tuple
+
+blue   = lambda text: f"\033[1;94m{text}\033[0m"; gray = lambda text: f"\033[1;90m{text}\033[0m"
+green  = lambda text: f"\033[0;32m{text}\033[0m"; red  = lambda text: f"\033[0;31m{text}\033[0m"
+yellow = lambda text: f"\033[0;33m{text}\033[0m"
+
+class Mode(Enum):
+    multicore  = auto()
+    singlecore = auto()
+
+@dataclass
+class Target:
+    source: Path
+    binary: Path
+
+@dataclass
+class Run:
+    execs_per_sec: float
+    execs_total: float
+    fuzzers_used: int
+
+@dataclass
+class Config:
+    afl_persistent_config: bool
+    afl_system_config: bool
+    afl_version: Optional[str]
+    comment: str
+    compiler: str
+    target_arch: str
+
+@dataclass
+class Hardware:
+    cpu_fastest_core_mhz: float
+    cpu_model: str
+    cpu_threads: int
+
+@dataclass
+class Results:
+    config: Optional[Config]
+    hardware: Optional[Hardware]
+    targets: Dict[str, Dict[str, Optional[Run]]]
+
+all_modes = [Mode.singlecore, Mode.multicore]
+all_targets = [
+    Target(source=Path("../utils/persistent_mode/test-instr.c").resolve(), binary=Path("test-instr-persist-shmem")),
+    Target(source=Path("../test-instr.c").resolve(), binary=Path("test-instr"))
+]
+modes = [mode.name for mode in all_modes]
+targets = [str(target.binary) for target in all_targets]
+cpu_count = multiprocessing.cpu_count()
+env_vars = {
+    "AFL_DISABLE_TRIM": "1", "AFL_I_DONT_CARE_ABOUT_MISSING_CRASHES": "1", "AFL_FAST_CAL": "1",
+    "AFL_NO_UI": "1", "AFL_TRY_AFFINITY": "1", "PATH": f'{str(Path("../").resolve())}:{os.environ["PATH"]}',
+}
+
+parser = argparse.ArgumentParser(formatter_class=argparse.ArgumentDefaultsHelpFormatter)
+parser.add_argument("-b", "--basedir", help="directory to use for temp files", type=str, default="/tmp/aflpp-benchmark")
+parser.add_argument("-d", "--debug", help="show verbose debugging output", action="store_true")
+parser.add_argument("-r", "--runs", help="how many runs to average results over", type=int, default=3)
+parser.add_argument("-f", "--fuzzers", help="how many afl-fuzz workers to use", type=int, default=cpu_count)
+parser.add_argument("-m", "--mode", help="pick modes", action="append", default=modes, choices=modes)
+parser.add_argument("-c", "--comment", help="add a comment about your setup", type=str, default="")
+parser.add_argument("--cpu", help="override the detected CPU model name", type=str, default="")
+parser.add_argument("--mhz", help="override the detected CPU MHz", type=str, default="")
+parser.add_argument(
+    "-t", "--target", help="pick targets", action="append", default=["test-instr-persist-shmem"], choices=targets
+)
+args = parser.parse_args()
+# Really unsatisfying argparse behavior: we want a default and to allow multiple choices, but if there's a manual choice
+# it should override the default.  Seems like we have to remove the default to get that and have correct help text?
+if len(args.target) > 1:
+    args.target = args.target[1:]
+if len(args.mode) > 2:
+    args.mode = args.mode[2:]
+
+chosen_modes = [mode for mode in all_modes if mode.name in args.mode]
+chosen_targets = [target for target in all_targets if str(target.binary) in args.target]
+results = Results(config=None, hardware=None, targets={
+    str(t.binary): {m.name: None for m in chosen_modes} for t in chosen_targets}
+)
+debug = lambda text: args.debug and print(blue(text))
+
+async def clean_up_tempfiles() -> None:
+    shutil.rmtree(f"{args.basedir}/in")
+    for target in chosen_targets:
+        target.binary.unlink()
+        for mode in chosen_modes:
+            shutil.rmtree(f"{args.basedir}/out-{mode.name}-{str(target.binary)}")
+
+async def check_afl_persistent() -> bool:
+    with open("/proc/cmdline", "r") as cmdline:
+        return "mitigations=off" in cmdline.read().strip().split(" ")
+
+async def check_afl_system() -> bool:
+    sysctl = next((s for s in ["sysctl", "/sbin/sysctl"] if shutil.which(s)), None)
+    if sysctl:
+        (returncode, stdout, _) = await run_command([sysctl, "kernel.randomize_va_space"])
+        return returncode == 0 and stdout.decode().rstrip().split(" = ")[1] == "0"
+    return False
+
+async def prep_env() -> None:
+    Path(f"{args.basedir}/in").mkdir(exist_ok=True, parents=True)
+    with open(f"{args.basedir}/in/in.txt", "wb") as seed:
+        seed.write(b"\x00" * 10240)
+
+async def compile_target(source: Path, binary: Path) -> None:
+    print(f" [*] Compiling the {binary} fuzzing harness for the benchmark to use.")
+    (returncode, stdout, stderr) = await run_command(
+        [str(Path("../afl-clang-lto").resolve()), "-o", str(Path(binary.resolve())), str(Path(source).resolve())]
+    )
+    if returncode == 0:
+        return
+    print(yellow(f" [*] afl-clang-lto was unable to compile; falling back to afl-cc."))
+    (returncode, stdout, stderr) = await run_command(
+        [str(Path("../afl-cc").resolve()), "-o", str(Path(binary.resolve())), str(Path(source).resolve())]
+    )
+    if returncode != 0:
+        sys.exit(red(f" [*] Error: afl-cc is unable to compile: {stderr.decode()} {stdout.decode()}"))
+
+async def run_command(cmd: List[str]) -> Tuple[Optional[int], bytes, bytes]:
+    debug(f"Launching command: {cmd} with env {env_vars}")
+    p = await asyncio.create_subprocess_exec(
+        *cmd, stdout=asyncio.subprocess.PIPE, stderr=asyncio.subprocess.PIPE, env=env_vars
+    )
+    stdout, stderr = await p.communicate()
+    debug(f"Output: {stdout.decode()} {stderr.decode()}")
+    return (p.returncode, stdout, stderr)
+
+async def check_deps() -> None:
+    if not (plat := platform.system()) == "Linux": sys.exit(red(f" [*] {plat} is not supported by this script yet."))
+    if not os.access(Path("../afl-fuzz").resolve(), os.X_OK) and os.access(Path("../afl-cc").resolve(), os.X_OK) and (
+        os.path.exists(Path("../SanitizerCoveragePCGUARD.so").resolve())):
+        sys.exit(red(" [*] Compile AFL++: we need afl-fuzz, afl-clang-fast and SanitizerCoveragePCGUARD.so built."))
+
+    (returncode, stdout, stderr) = await run_command([str(Path("../afl-cc").resolve()), "-v"])
+    if returncode != 0:
+        sys.exit(red(f" [*] Error: afl-cc -v returned: {stderr.decode()} {stdout.decode()}"))
+    compiler = ""
+    target_arch = ""
+    for line in stderr.decode().split("\n"):
+        if "clang version" in line:
+            compiler = line
+        elif m := re.match(r"^Target: (.*)", line):
+            target_arch = m.group(1)
+
+    # Pick some sample settings from afl-{persistent,system}-config to try to see whether they were run.
+    afl_pc = await check_afl_persistent()
+    afl_sc = await check_afl_system()
+    if not afl_pc:
+        print(yellow(f" [*] afl-persistent-config did not run; run it to improve performance (and decrease security)."))
+    if not afl_sc:
+        print(yellow(f" [*] afl-system-config did not run; run it to improve performance (and decrease security)."))
+    results.config = Config(afl_persistent_config=afl_pc, afl_system_config=afl_sc, afl_version="",
+                            comment=args.comment, compiler=compiler, target_arch=target_arch)
+
+async def colon_values(filename: str, searchKey: str) -> List[str]:
+    """Return a colon-separated value given a key in a file, e.g. 'cpu MHz         : 4976.109')"""
+    with open(filename, "r") as fh:
+        kv_pairs = (line.split(": ", 1) for line in fh if ": " in line)
+        v_list = [v.rstrip() for k, v in kv_pairs if k.rstrip() == searchKey]
+        return v_list
+
+async def describe_afl_config() -> str:
+   if results.config is None:
+       return "unknown"
+   elif results.config.afl_persistent_config and results.config.afl_system_config:
+       return "both"
+   elif results.config.afl_persistent_config:
+       return "persistent"
+   elif results.config.afl_system_config:
+       return "system"
+   else:
+       return "none"
+
+async def save_benchmark_results() -> None:
+    """Append a single row to the benchmark results in JSON Lines format (which is simple to write and diff)."""
+    with open("benchmark-results.jsonl", "a") as jsonfile:
+        json.dump(asdict(results), jsonfile, sort_keys=True)
+        jsonfile.write("\n")
+        print(blue(f" [*] Results have been written to the {jsonfile.name} file."))
+    with open("COMPARISON.md", "r+") as comparisonfile:
+        described_config = await describe_afl_config()
+        aflconfig = described_config.ljust(12)
+        if results.hardware is None:
+            return
+        cpu_model = results.hardware.cpu_model.ljust(51)
+        if cpu_model in comparisonfile.read():
+            print(blue(f" [*] Results have not been written to the COMPARISON.md file; this CPU is already present."))
+            return
+        cpu_mhz = str(round(results.hardware.cpu_fastest_core_mhz)).ljust(5)
+        if not "test-instr-persist-shmem" in results.targets or \
+           not "multicore" in results.targets["test-instr-persist-shmem"] or \
+           not "singlecore" in results.targets["test-instr-persist-shmem"] or \
+           results.targets["test-instr-persist-shmem"]["singlecore"] is None or \
+           results.targets["test-instr-persist-shmem"]["multicore"] is None:
+            return
+        single = str(round(results.targets["test-instr-persist-shmem"]["singlecore"].execs_per_sec)).ljust(10)
+        multi = str(round(results.targets["test-instr-persist-shmem"]["multicore"].execs_per_sec)).ljust(9)
+        cores = str(args.fuzzers).ljust(7)
+        comparisonfile.write(f"{cpu_model} | {cpu_mhz} | {cores} | {single} | {multi} | {aflconfig} |\n")
+        print(blue(f" [*] Results have been written to the COMPARISON.md file."))
+    with open("COMPARISON.md", "r") as comparisonfile:
+        print(comparisonfile.read())
+
+
+async def main() -> None:
+    try:
+        await clean_up_tempfiles()
+    except FileNotFoundError:
+        pass
+    await check_deps()
+    if args.mhz:
+        cpu_mhz = float(args.mhz)
+    else:
+        cpu_mhz_str = await colon_values("/proc/cpuinfo", "cpu MHz")
+        if len(cpu_mhz_str) == 0:
+            cpu_mhz_str.append("0")
+        cpu_mhz = max([float(c) for c in cpu_mhz_str]) # use the fastest CPU MHz for now
+    if args.cpu:
+        cpu_model = [args.cpu]
+    else:
+        cpu_model = await colon_values("/proc/cpuinfo", "model name") or [""]
+    results.hardware = Hardware(cpu_fastest_core_mhz=cpu_mhz, cpu_model=cpu_model[0], cpu_threads=cpu_count)
+    await prep_env()
+    print(f" [*] Ready, starting benchmark...")
+    for target in chosen_targets:
+        await compile_target(target.source, target.binary)
+        binary = str(target.binary)
+        for mode in chosen_modes:
+            if mode == Mode.multicore:
+                print(blue(f" [*] Using {args.fuzzers} fuzzers for multicore fuzzing "), end="")
+                print(blue("(use --fuzzers to override)." if args.fuzzers == cpu_count else f"(the default is {cpu_count})"))
+            execs_per_sec, execs_total = ([] for _ in range(2))
+            for run_idx in range(0, args.runs):
+                print(gray(f" [*] {mode.name} {binary} run {run_idx+1} of {args.runs}, execs/s: "), end="", flush=True)
+                fuzzers = range(0, args.fuzzers if mode == Mode.multicore else 1)
+                outdir = f"{args.basedir}/out-{mode.name}-{binary}"
+                cmds = []
+                for fuzzer_idx, afl in enumerate(fuzzers):
+                    name = ["-o", outdir, "-M" if fuzzer_idx == 0 else "-S", str(afl)]
+                    cmds.append(["afl-fuzz", "-i", f"{args.basedir}/in"] + name + ["-s", "123", "-V10", "-D", f"./{binary}"])
+                # Prepare the afl-fuzz tasks, and then block while waiting for them to finish.
+                fuzztasks = [run_command(cmds[cpu]) for cpu in fuzzers]
+                await asyncio.gather(*fuzztasks)
+                afl_versions = await colon_values(f"{outdir}/0/fuzzer_stats", "afl_version")
+                if results.config:
+                    results.config.afl_version = afl_versions[0]
+                # Our score is the sum of all execs_per_sec entries in fuzzer_stats files for the run.
+                sectasks = [colon_values(f"{outdir}/{afl}/fuzzer_stats", "execs_per_sec") for afl in fuzzers]
+                all_execs_per_sec = await asyncio.gather(*sectasks)
+                execs = sum([Decimal(count[0]) for count in all_execs_per_sec])
+                print(green(execs))
+                execs_per_sec.append(execs)
+                # Also gather execs_total and total_run_time for this run.
+                exectasks = [colon_values(f"{outdir}/{afl}/fuzzer_stats", "execs_done") for afl in fuzzers]
+                all_execs_total = await asyncio.gather(*exectasks)
+                execs_total.append(sum([Decimal(count[0]) for count in all_execs_total]))
+
+            # (Using float() because Decimal() is not JSON-serializable.)
+            avg_afl_execs_per_sec = round(Decimal(sum(execs_per_sec) / len(execs_per_sec)), 2)
+            afl_execs_total = int(sum([Decimal(execs) for execs in execs_total]))
+            run = Run(execs_per_sec=float(avg_afl_execs_per_sec), execs_total=afl_execs_total, fuzzers_used=len(fuzzers))
+            results.targets[binary][mode.name] = run
+            print(f" [*] Average execs/sec for this test across all runs was: {green(avg_afl_execs_per_sec)}")
+            if (((max(execs_per_sec) - min(execs_per_sec)) / avg_afl_execs_per_sec) * 100) > 15:
+                print(yellow(" [*] The difference between your slowest and fastest runs was >15%, maybe try again?"))
+
+    await clean_up_tempfiles()
+    await save_benchmark_results()
+
+if __name__ == "__main__":
+    asyncio.run(main())
+

config.h

@@ -1,354 +0,0 @@
-/*
-   american fuzzy lop plus plus - vaguely configurable bits
-   ----------------------------------------------
-
-   Written and maintained by Michal Zalewski <lcamtuf@google.com>
-
-   Copyright 2013, 2014, 2015, 2016 Google Inc. All rights reserved.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at:
-
-     http://www.apache.org/licenses/LICENSE-2.0
-
- */
-
-#ifndef _HAVE_CONFIG_H
-#define _HAVE_CONFIG_H
-
-#include "types.h"
-
-/* Version string: */
-
-#define VERSION             "++2.52c"
-
-/******************************************************
- *                                                    *
- *  Settings that may be of interest to power users:  *
- *                                                    *
- ******************************************************/
-
-/* Comment out to disable terminal colors (note that this makes afl-analyze
-   a lot less nice): */
-
-#define USE_COLOR
-
-/* Comment out to disable fancy ANSI boxes and use poor man's 7-bit UI: */
-
-#define FANCY_BOXES
-
-/* Default timeout for fuzzed code (milliseconds). This is the upper bound,
-   also used for detecting hangs; the actual value is auto-scaled: */
-
-#define EXEC_TIMEOUT        1000
-
-/* Timeout rounding factor when auto-scaling (milliseconds): */
-
-#define EXEC_TM_ROUND       20
-
-/* Default memory limit for child process (MB): */
-
-#ifndef __x86_64__ 
-#  define MEM_LIMIT         25
-#else
-#  define MEM_LIMIT         50
-#endif /* ^!__x86_64__ */
-
-/* Default memory limit when running in QEMU mode (MB): */
-
-#define MEM_LIMIT_QEMU      200
-
-/* Number of calibration cycles per every new test case (and for test
-   cases that show variable behavior): */
-
-#define CAL_CYCLES          8
-#define CAL_CYCLES_LONG     40
-
-/* Number of subsequent timeouts before abandoning an input file: */
-
-#define TMOUT_LIMIT         250
-
-/* Maximum number of unique hangs or crashes to record: */
-
-#define KEEP_UNIQUE_HANG    500
-#define KEEP_UNIQUE_CRASH   5000
-
-/* Baseline number of random tweaks during a single 'havoc' stage: */
-
-#define HAVOC_CYCLES        256
-#define HAVOC_CYCLES_INIT   1024
-
-/* Maximum multiplier for the above (should be a power of two, beware
-   of 32-bit int overflows): */
-
-#define HAVOC_MAX_MULT      16
-
-/* Absolute minimum number of havoc cycles (after all adjustments): */
-
-#define HAVOC_MIN           16
-
-/* Power Schedule Divisor */
-#define POWER_BETA          1
-#define MAX_FACTOR          (POWER_BETA * 32)
-
-/* Maximum stacking for havoc-stage tweaks. The actual value is calculated
-   like this: 
-
-   n = random between 1 and HAVOC_STACK_POW2
-   stacking = 2^n
-
-   In other words, the default (n = 7) produces 2, 4, 8, 16, 32, 64, or
-   128 stacked tweaks: */
-
-#define HAVOC_STACK_POW2    7
-
-/* Caps on block sizes for cloning and deletion operations. Each of these
-   ranges has a 33% probability of getting picked, except for the first
-   two cycles where smaller blocks are favored: */
-
-#define HAVOC_BLK_SMALL     32
-#define HAVOC_BLK_MEDIUM    128
-#define HAVOC_BLK_LARGE     1500
-
-/* Extra-large blocks, selected very rarely (<5% of the time): */
-
-#define HAVOC_BLK_XL        32768
-
-/* Probabilities of skipping non-favored entries in the queue, expressed as
-   percentages: */
-
-#define SKIP_TO_NEW_PROB    99 /* ...when there are new, pending favorites */
-#define SKIP_NFAV_OLD_PROB  95 /* ...no new favs, cur entry already fuzzed */
-#define SKIP_NFAV_NEW_PROB  75 /* ...no new favs, cur entry not fuzzed yet */
-
-/* Splicing cycle count: */
-
-#define SPLICE_CYCLES       15
-
-/* Nominal per-splice havoc cycle length: */
-
-#define SPLICE_HAVOC        32
-
-/* Maximum offset for integer addition / subtraction stages: */
-
-#define ARITH_MAX           35
-
-/* Limits for the test case trimmer. The absolute minimum chunk size; and
-   the starting and ending divisors for chopping up the input file: */
-
-#define TRIM_MIN_BYTES      4
-#define TRIM_START_STEPS    16
-#define TRIM_END_STEPS      1024
-
-/* Maximum size of input file, in bytes (keep under 100MB): */
-
-#define MAX_FILE            (1 * 1024 * 1024)
-
-/* The same, for the test case minimizer: */
-
-#define TMIN_MAX_FILE       (10 * 1024 * 1024)
-
-/* Block normalization steps for afl-tmin: */
-
-#define TMIN_SET_MIN_SIZE   4
-#define TMIN_SET_STEPS      128
-
-/* Maximum dictionary token size (-x), in bytes: */
-
-#define MAX_DICT_FILE       128
-
-/* Length limits for auto-detected dictionary tokens: */
-
-#define MIN_AUTO_EXTRA      3
-#define MAX_AUTO_EXTRA      32
-
-/* Maximum number of user-specified dictionary tokens to use in deterministic
-   steps; past this point, the "extras/user" step will be still carried out,
-   but with proportionally lower odds: */
-
-#define MAX_DET_EXTRAS      200
-
-/* Maximum number of auto-extracted dictionary tokens to actually use in fuzzing
-   (first value), and to keep in memory as candidates. The latter should be much
-   higher than the former. */
-
-#define USE_AUTO_EXTRAS     50
-#define MAX_AUTO_EXTRAS     (USE_AUTO_EXTRAS * 10)
-
-/* Scaling factor for the effector map used to skip some of the more
-   expensive deterministic steps. The actual divisor is set to
-   2^EFF_MAP_SCALE2 bytes: */
-
-#define EFF_MAP_SCALE2      3
-
-/* Minimum input file length at which the effector logic kicks in: */
-
-#define EFF_MIN_LEN         128
-
-/* Maximum effector density past which everything is just fuzzed
-   unconditionally (%): */
-
-#define EFF_MAX_PERC        90
-
-/* UI refresh frequency (Hz): */
-
-#define UI_TARGET_HZ        5
-
-/* Fuzzer stats file and plot update intervals (sec): */
-
-#define STATS_UPDATE_SEC    60
-#define PLOT_UPDATE_SEC     5
-
-/* Smoothing divisor for CPU load and exec speed stats (1 - no smoothing). */
-
-#define AVG_SMOOTHING       16
-
-/* Sync interval (every n havoc cycles): */
-
-#define SYNC_INTERVAL       5
-
-/* Output directory reuse grace period (minutes): */
-
-#define OUTPUT_GRACE        25
-
-/* Uncomment to use simple file names (id_NNNNNN): */
-
-// #define SIMPLE_FILES
-
-/* List of interesting values to use in fuzzing. */
-
-#define INTERESTING_8 \
-  -128,          /* Overflow signed 8-bit when decremented  */ \
-  -1,            /*                                         */ \
-   0,            /*                                         */ \
-   1,            /*                                         */ \
-   16,           /* One-off with common buffer size         */ \
-   32,           /* One-off with common buffer size         */ \
-   64,           /* One-off with common buffer size         */ \
-   100,          /* One-off with common buffer size         */ \
-   127           /* Overflow signed 8-bit when incremented  */
-
-#define INTERESTING_16 \
-  -32768,        /* Overflow signed 16-bit when decremented */ \
-  -129,          /* Overflow signed 8-bit                   */ \
-   128,          /* Overflow signed 8-bit                   */ \
-   255,          /* Overflow unsig 8-bit when incremented   */ \
-   256,          /* Overflow unsig 8-bit                    */ \
-   512,          /* One-off with common buffer size         */ \
-   1000,         /* One-off with common buffer size         */ \
-   1024,         /* One-off with common buffer size         */ \
-   4096,         /* One-off with common buffer size         */ \
-   32767         /* Overflow signed 16-bit when incremented */
-
-#define INTERESTING_32 \
-  -2147483648LL, /* Overflow signed 32-bit when decremented */ \
-  -100663046,    /* Large negative number (endian-agnostic) */ \
-  -32769,        /* Overflow signed 16-bit                  */ \
-   32768,        /* Overflow signed 16-bit                  */ \
-   65535,        /* Overflow unsig 16-bit when incremented  */ \
-   65536,        /* Overflow unsig 16 bit                   */ \
-   100663045,    /* Large positive number (endian-agnostic) */ \
-   2147483647    /* Overflow signed 32-bit when incremented */
-
-/***********************************************************
- *                                                         *
- *  Really exotic stuff you probably don't want to touch:  *
- *                                                         *
- ***********************************************************/
-
-/* Call count interval between reseeding the libc PRNG from /dev/urandom: */
-
-#define RESEED_RNG          10000
-
-/* Maximum line length passed from GCC to 'as' and used for parsing
-   configuration files: */
-
-#define MAX_LINE            8192
-
-/* Environment variable used to pass SHM ID to the called program. */
-
-#define SHM_ENV_VAR         "__AFL_SHM_ID"
-
-/* Other less interesting, internal-only variables. */
-
-#define CLANG_ENV_VAR       "__AFL_CLANG_MODE"
-#define AS_LOOP_ENV_VAR     "__AFL_AS_LOOPCHECK"
-#define PERSIST_ENV_VAR     "__AFL_PERSISTENT"
-#define DEFER_ENV_VAR       "__AFL_DEFER_FORKSRV"
-
-/* In-code signatures for deferred and persistent mode. */
-
-#define PERSIST_SIG         "##SIG_AFL_PERSISTENT##"
-#define DEFER_SIG           "##SIG_AFL_DEFER_FORKSRV##"
-
-/* Distinctive bitmap signature used to indicate failed execution: */
-
-#define EXEC_FAIL_SIG       0xfee1dead
-
-/* Distinctive exit code used to indicate MSAN trip condition: */
-
-#define MSAN_ERROR          86
-
-/* Designated file descriptors for forkserver commands (the application will
-   use FORKSRV_FD and FORKSRV_FD + 1): */
-
-#define FORKSRV_FD          198
-
-/* Fork server init timeout multiplier: we'll wait the user-selected
-   timeout plus this much for the fork server to spin up. */
-
-#define FORK_WAIT_MULT      10
-
-/* Calibration timeout adjustments, to be a bit more generous when resuming
-   fuzzing sessions or trying to calibrate already-added internal finds.
-   The first value is a percentage, the other is in milliseconds: */
-
-#define CAL_TMOUT_PERC      125
-#define CAL_TMOUT_ADD       50
-
-/* Number of chances to calibrate a case before giving up: */
-
-#define CAL_CHANCES         3
-
-/* Map size for the traced binary (2^MAP_SIZE_POW2). Must be greater than
-   2; you probably want to keep it under 18 or so for performance reasons
-   (adjusting AFL_INST_RATIO when compiling is probably a better way to solve
-   problems with complex programs). You need to recompile the target binary
-   after changing this - otherwise, SEGVs may ensue. */
-
-#define MAP_SIZE_POW2       16
-#define MAP_SIZE            (1 << MAP_SIZE_POW2)
-
-/* Maximum allocator request size (keep well under INT_MAX): */
-
-#define MAX_ALLOC           0x40000000
-
-/* A made-up hashing seed: */
-
-#define HASH_CONST          0xa5b35705
-
-/* Constants for afl-gotcpu to control busy loop timing: */
-
-#define  CTEST_TARGET_MS    5000
-#define  CTEST_CORE_TRG_MS  1000
-#define  CTEST_BUSY_CYCLES  (10 * 1000 * 1000)
-
-/* Uncomment this to use inferior block-coverage-based instrumentation. Note
-   that you need to recompile the target binary for this to have any effect: */
-
-// #define COVERAGE_ONLY
-
-/* Uncomment this to ignore hit counts and output just one bit per tuple.
-   As with the previous setting, you will need to recompile the target
-   binary: */
-
-// #define SKIP_COUNTS
-
-/* Uncomment this to use instrumentation data to record newly discovered paths,
-   but do not use them as seeds for fuzzing. This is useful for conveniently
-   measuring coverage that could be attained by a "dumb" fuzzing algorithm: */
-
-// #define IGNORE_FINDS
-
-#endif /* ! _HAVE_CONFIG_H */

config.h

@@ -0,0 +1 @@
+include/config.h

coresight_mode/.gitignore

@@ -0,0 +1,2 @@
+.local
+glibc*

coresight_mode/GNUmakefile

@@ -0,0 +1,62 @@
+#!/usr/bin/env make
+# SPDX-License-Identifier: Apache-2.0
+# Copyright 2021 Ricerca Security, Inc. All rights reserved.
+
+SHELL:=bash
+PREFIX?=$(shell pwd)/.local
+
+CS_TRACE:=coresight-trace
+
+PATCHELF?=$(PREFIX)/bin/patchelf
+
+PATCH_DIR:=patches
+
+GLIBC_VER:=2.33
+GLIBC_NAME:=glibc-$(GLIBC_VER)
+GLIBC_URL_BASE:=http://ftp.gnu.org/gnu/glibc
+GLIBC_LDSO?=$(PREFIX)/lib/ld-linux-aarch64.so.1
+
+OUTPUT?="$(TARGET).patched"
+
+all: build
+
+build:
+	git submodule update --init --recursive $(CS_TRACE)
+	$(MAKE) -C $(CS_TRACE)
+	cp $(CS_TRACE)/cs-proxy ../afl-cs-proxy
+
+patch: | $(PATCHELF) $(GLIBC_LDSO)
+	@if test -z "$(TARGET)"; then echo "TARGET is not set"; exit 1; fi
+	$(PATCHELF) \
+	  --set-interpreter $(GLIBC_LDSO) \
+	  --set-rpath $(dir $(GLIBC_LDSO)) \
+	  --output $(OUTPUT) \
+	  $(TARGET)
+
+$(PATCHELF): patchelf
+	git submodule update --init $<
+	cd $< && \
+	  ./bootstrap.sh && \
+	  ./configure --prefix=$(PREFIX) && \
+	  $(MAKE) && \
+	  $(MAKE) check && \
+	  $(MAKE) install
+
+$(GLIBC_LDSO): | $(GLIBC_NAME).tar.xz
+	tar -xf $(GLIBC_NAME).tar.xz
+	for file in $(shell find $(PATCH_DIR) -maxdepth 1 -type f); do \
+	  patch -p1 < $$file ; \
+	done
+	mkdir -p $(GLIBC_NAME)/build
+	cd $(GLIBC_NAME)/build && \
+	  ../configure --prefix=$(PREFIX) && \
+	  $(MAKE) && \
+	  $(MAKE) install
+
+$(GLIBC_NAME).tar.xz:
+	wget -qO $@ $(GLIBC_URL_BASE)/$@
+
+clean:
+	$(MAKE) -C $(CS_TRACE) clean
+
+.PHONY: all build patch clean

coresight_mode/Makefile

@@ -0,0 +1,21 @@
+#!/usr/bin/env make
+# SPDX-License-Identifier: Apache-2.0
+# Copyright 2021 Ricerca Security, Inc. All rights reserved.
+
+all:
+	@echo trying to use GNU make...
+	@gmake all || echo please install GNUmake
+
+build:
+	@echo trying to use GNU make...
+	@gmake build || echo please install GNUmake
+
+patch:
+	@echo trying to use GNU make...
+	@gmake patch || echo please install GNUmake
+
+clean:
+	@echo trying to use GNU make...
+	@gmake clean || echo please install GNUmake
+
+.PHONY: all build patch clean

coresight_mode/README.md

@@ -0,0 +1,70 @@
+# AFL++ CoreSight mode
+
+CoreSight mode enables binary-only fuzzing on ARM64 Linux using CoreSight (ARM's hardware tracing technology).
+
+NOTE: CoreSight mode is in the early development stage. Not applicable for production use.
+Currently the following hardware boards are supported:
+* NVIDIA Jetson TX2 (NVIDIA Parker)
+* NVIDIA Jetson Nano (NVIDIA Tegra X1)
+* GIGABYTE R181-T90 (Marvell ThunderX2 CN99XX)
+
+## Getting started
+
+Please read the [RICSec/coresight-trace README](https://github.com/RICSecLab/coresight-trace/blob/master/README.md) and check the prerequisites (capstone) before getting started.
+
+CoreSight mode supports the AFL++ fork server mode to reduce `exec` system call
+overhead. To support it for binary-only fuzzing, it needs to modify the target
+ELF binary to re-link to the patched glibc. We employ this design from
+[PTrix](https://github.com/junxzm1990/afl-pt).
+
+Check out all the git submodules in the `cs_mode` directory:
+
+```bash
+git submodule update --init --recursive
+```
+
+### Build coresight-trace
+
+There are some notes on building coresight-trace. Refer to the [README](https://github.com/RICSecLab/coresight-trace/blob/master/README.md) for the details. Run make in the `cs_mode` directory:
+
+```bash
+make build
+```
+
+Make sure `cs-proxy` is placed in the AFL++ root directory as `afl-cs-proxy`.
+
+### Patch COTS binary
+
+The fork server mode requires patchelf and the patched glibc. The dependency build can be done by just run make:
+
+```bash
+make patch TARGET=$BIN
+```
+
+The above make command builds and installs the dependencies to `$PREFIX` (default to `$PWD/.local`) at the first time. Then, it runs `patchelf` to `$BIN` with output `$OUTPUT` (`$BIN.patched` by default).
+
+### Run afl-fuzz
+
+Run `afl-fuzz` with `-A` option to use CoreSight mode.
+
+```bash
+sudo afl-fuzz -A -i input -o output -- $OUTPUT @@
+```
+
+## Environment Variables
+
+There are AFL++ CoreSight mode-specific environment variables for run-time configuration.
+
+* `AFL_CS_CUSTOM_BIN` overrides the proxy application path. `afl-cs-proxy` will be used if not defined.
+
+* `AFLCS_COV` specifies coverage type on CoreSight trace decoding. `edge` and `path` is supported. The default value is `edge`.
+* `AFLCS_UDMABUF` is the u-dma-buf device number used to store trace data in the DMA region. The default value is `0`.
+
+## TODO List
+
+* Eliminate modified glibc dependency
+* Support parallel fuzzing
+
+## Acknowledgements
+
+This project has received funding from the Acquisition, Technology & Logistics Agency (ATLA) under the National Security Technology Research Promotion Fund 2021 (JPJ004596).

coresight_mode/patches/0001-Add-AFL-forkserver.patch

@@ -0,0 +1,117 @@
+diff --git a/glibc-2.33/elf/rtld.c b/glibc-2.33/elf/rtld.c
+index 596b6ac3..2ee270d4 100644
+--- a/glibc-2.33/elf/rtld.c
++++ b/glibc-2.33/elf/rtld.c
+@@ -169,6 +169,99 @@ uintptr_t __pointer_chk_guard_local
+ strong_alias (__pointer_chk_guard_local, __pointer_chk_guard)
+ #endif
+ 
++#define AFLCS_RTLD 1
++
++#if AFLCS_RTLD
++
++#include <sys/shm.h>
++#include <sys/types.h>
++#include <sys/wait.h>
++#include <dlfcn.h>
++#include <signal.h>
++
++#include <asm/unistd.h>
++#include <unistd.h>
++
++#define FORKSRV_FD 198
++
++#define AFLCS_ENABLE "__AFLCS_ENABLE"
++
++/* We use this additional AFLCS_# AFLCS_#+1 pair to communicate with proxy */
++#define AFLCS_FORKSRV_FD (FORKSRV_FD - 3)
++#define AFLCS_RTLD_SNIPPET do { __cs_start_forkserver(); } while(0)
++
++/* Fork server logic, invoked before we return from _dl_start. */
++
++static void __cs_start_forkserver(void) {
++  int status;
++  pid_t child_pid;
++  static char tmp[4] = {0, 0, 0, 0};
++
++  if (!getenv(AFLCS_ENABLE)) {
++    return;
++  }
++
++  if (write(AFLCS_FORKSRV_FD + 1, tmp, 4) != 4) {
++    _exit(-1);
++  }
++
++  /* All right, let's await orders... */
++  while (1) {
++    /* Whoops, parent dead? */
++    if (read(AFLCS_FORKSRV_FD, tmp, 4) != 4) {
++      _exit(1);
++    }
++
++    child_pid = INLINE_SYSCALL(clone, 5,
++        CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID | SIGCHLD, 0,
++        NULL, NULL, &THREAD_SELF->tid);
++    if (child_pid < 0) {
++      _exit(4);
++    }
++    if (!child_pid) {
++      /* Child process. Wait for parent start tracing */
++      kill(getpid(), SIGSTOP);
++      /* Close descriptors and run free. */
++      close(AFLCS_FORKSRV_FD);
++      close(AFLCS_FORKSRV_FD + 1);
++      return;
++    }
++
++    /* Parent. */
++    if (write(AFLCS_FORKSRV_FD + 1, &child_pid, 4) != 4) {
++      _exit(5);
++    }
++
++    /* Wait until SIGCONT is signaled. */
++    if (waitpid(child_pid, &status, WCONTINUED) < 0) {
++      _exit(6);
++    }
++    if (!WIFCONTINUED(status)) {
++      /* Relay status to proxy. */
++      if (write(AFLCS_FORKSRV_FD + 1, &status, 4) != 4) {
++        _exit(7);
++      }
++      continue;
++    }
++    while (1) {
++      /* Get status. */
++      if (waitpid(child_pid, &status, WUNTRACED) < 0) {
++        _exit(8);
++      }
++      /* Relay status to proxy. */
++      if (write(AFLCS_FORKSRV_FD + 1, &status, 4) != 4) {
++        _exit(9);
++      }
++      if (!(WIFSTOPPED(status) && WSTOPSIG(status) == SIGSTOP)) {
++        /* The child process is exited. */
++        break;
++      }
++    }
++  }
++}
++
++#endif /* AFLCS_RTLD */
++
+ /* Check that AT_SECURE=0, or that the passed name does not contain
+    directories and is not overly long.  Reject empty names
+    unconditionally.  */
+@@ -588,6 +681,12 @@ _dl_start (void *arg)
+ # define ELF_MACHINE_START_ADDRESS(map, start) (start)
+ #endif
+ 
++    /* AFL-CS-START */
++#if AFLCS_RTLD
++    AFLCS_RTLD_SNIPPET;
++#endif
++    /* AFL-CS-END */
++
+     return ELF_MACHINE_START_ADDRESS (GL(dl_ns)[LM_ID_BASE]._ns_loaded, entry);
+   }
+ }

custom_mutators/Android.bp

@@ -0,0 +1,121 @@
+cc_library_shared {
+  name: "libfuzzer-mutator",
+  vendor_available: true,
+  host_supported: true,
+
+  cflags: [
+    "-g",
+    "-O0",
+    "-funroll-loops",
+    "-fPIC",
+    "-fpermissive",
+    "-std=c++11",
+    "-Wno-unused-parameter",
+    "-Wno-unused-variable",
+  ],
+
+  srcs: [
+    "libfuzzer/FuzzerCrossOver.cpp",
+    "libfuzzer/FuzzerDataFlowTrace.cpp",
+    "libfuzzer/FuzzerDriver.cpp",
+    "libfuzzer/FuzzerExtFunctionsDlsym.cpp",
+    "libfuzzer/FuzzerExtFunctionsWeak.cpp",
+    "libfuzzer/FuzzerExtFunctionsWindows.cpp",
+    "libfuzzer/FuzzerExtraCounters.cpp",
+    "libfuzzer/FuzzerFork.cpp",
+    "libfuzzer/FuzzerIO.cpp",
+    "libfuzzer/FuzzerIOPosix.cpp",
+    "libfuzzer/FuzzerIOWindows.cpp",
+    "libfuzzer/FuzzerLoop.cpp",
+    "libfuzzer/FuzzerMerge.cpp",
+    "libfuzzer/FuzzerMutate.cpp",
+    "libfuzzer/FuzzerSHA1.cpp",
+    "libfuzzer/FuzzerTracePC.cpp",
+    "libfuzzer/FuzzerUtil.cpp",
+    "libfuzzer/FuzzerUtilDarwin.cpp",
+    "libfuzzer/FuzzerUtilFuchsia.cpp",
+    "libfuzzer/FuzzerUtilLinux.cpp",
+    "libfuzzer/FuzzerUtilPosix.cpp",
+    "libfuzzer/FuzzerUtilWindows.cpp",
+    "libfuzzer/libfuzzer.cpp",
+  ],
+
+  header_libs: [
+    "libafl_headers",
+  ],
+}
+
+/*cc_library_shared {
+  name: "honggfuzz-mutator",
+  vendor_available: true,
+  host_supported: true,
+
+  cflags: [
+    "-g",
+    "-O0",
+    "-funroll-loops",
+    "-fPIC",
+    "-Wl,-Bsymbolic",
+  ],
+
+  srcs: [
+    "honggfuzz/honggfuzz.c",
+    "honggfuzz/mangle.c",
+//    "../src/afl-perfomance.c",
+  ],
+
+  header_libs: [
+    "libafl_headers",
+  ],
+}*/
+
+cc_library_shared {
+  name: "radamsa-mutator",
+  vendor_available: true,
+  host_supported: true,
+
+  cflags: [
+    "-g",
+    "-O0",
+    "-funroll-loops",
+    "-fPIC",
+    "-Wno-unused-parameter",
+    "-Wno-unused-function",
+  ],
+
+  srcs: [
+    "radamsa/libradamsa.c",
+    "radamsa/radamsa-mutator.c",
+  ],
+
+  header_libs: [
+    "libafl_headers",
+  ],
+}
+
+cc_library_shared {
+  name: "symcc-mutator",
+  vendor_available: true,
+  host_supported: true,
+
+  cflags: [
+    "-g",
+    "-O0",
+    "-funroll-loops",
+    "-fPIC",
+    "-Wno-unused-parameter",
+    "-Wno-pointer-sign",
+  ],
+
+  srcs: [
+    "symcc/symcc.c",
+  ],
+
+  header_libs: [
+    "libafl_headers",
+  ],
+}
+
+subdirs = [
+  "libprotobuf-mutator-example",
+]

custom_mutators/README.md

@@ -0,0 +1,86 @@
+# Custom Mutators
+
+Custom mutators enhance and alter the mutation strategies of AFL++.
+For further information and documentation on how to write your own, read [the docs](../docs/custom_mutators.md).
+
+## Examples
+
+The `./examples` folder contains examples for custom mutators in python and C.
+
+## Rust
+
+In `./rust`, you will find rust bindings, including a simple example in `./rust/example` and an example for structured fuzzing, based on lain, in`./rust/example_lain`.
+
+## Production-Ready Custom Mutators
+
+This directory holds ready to use custom mutators.
+Just type "make" in the individual subdirectories.
+
+Use with e.g.
+
+`AFL_CUSTOM_MUTATOR_LIBRARY=custom_mutators/radamsa/radamsa-mutator.so afl-fuzz ....`
+
+and add `AFL_CUSTOM_MUTATOR_ONLY=1` if you only want to use the custom mutator.
+
+Multiple custom mutators can be used by separating their paths with `:` in the environment variable.
+
+### The AFL++ grammar agnostic grammar mutator
+
+In `./autotokens` you find a token-level fuzzer that does not need to know
+anything about the grammar of an input as long as it is in ascii and allows
+whitespace.
+It is very fast and effective.
+
+If you are looking for an example of how to effectively create a custom
+mutator take a look at this one.
+
+### The AFL++ Grammar Mutator
+
+If you use git to clone AFL++, then the following will incorporate our
+excellent grammar custom mutator:
+
+```sh
+git submodule update --init
+```
+
+Read the README in the [Grammar-Mutator] repository on how to use it.
+
+[Grammar-Mutator]: https://github.com/AFLplusplus/Grammar-Mutator
+
+Note that this custom mutator is not very good though!
+
+### Other Mutators
+
+atnwalk and gramatron are grammar custom mutators. Example grammars are
+provided.
+
+honggfuzz, libfuzzer and  libafl are partial implementations based on the
+mutator implementations of the respective fuzzers. 
+More for playing than serious usage.
+
+radamsa is slow and not very good.
+
+## 3rd Party Custom Mutators
+
+### Superion Mutators
+
+Adrian Tiron ported the Superion grammar fuzzer to AFL++, it is WIP and
+requires cmake (among other things):
+[https://github.com/adrian-rt/superion-mutator](https://github.com/adrian-rt/superion-mutator)
+
+### libprotobuf Mutators
+
+There are three WIP protobuf projects, that require work to be working though:
+
+ASN.1 example:
+[https://github.com/airbus-seclab/AFLplusplus-blogpost/tree/main/src/mutator](https://github.com/airbus-seclab/AFLplusplus-blogpost/tree/main/src/mutator)
+
+transforms protobuf raw:
+[https://github.com/bruce30262/libprotobuf-mutator_fuzzing_learning/tree/master/4_libprotobuf_aflpp_custom_mutator](https://github.com/bruce30262/libprotobuf-mutator_fuzzing_learning/tree/master/4_libprotobuf_aflpp_custom_mutator)
+
+has a transform function you need to fill for your protobuf format, however
+needs to be ported to the updated AFL++ custom mutator API (not much work):
+[https://github.com/thebabush/afl-libprotobuf-mutator](https://github.com/thebabush/afl-libprotobuf-mutator)
+
+same as above but is for current AFL++:
+[https://github.com/P1umer/AFLplusplus-protobuf-mutator](https://github.com/P1umer/AFLplusplus-protobuf-mutator)

custom_mutators/aflpp/Makefile

@@ -0,0 +1,10 @@
+
+CFLAGS = -O3 -funroll-loops -fPIC -Wl,-Bsymbolic
+
+all: aflpp-mutator.so
+
+aflpp-mutator.so:	aflpp.c
+	$(CC) $(CFLAGS) -I../../include -I. -shared -o aflpp-mutator.so aflpp.c ../../src/afl-performance.c
+
+clean:
+	rm -f *.o *~ *.so core

custom_mutators/aflpp/README.md

@@ -0,0 +1,8 @@
+# custum mutator: AFL++
+
+this is the AFL++ havoc mutator as a custom mutator module for AFL++.
+
+just type `make` to build
+
+```AFL_CUSTOM_MUTATOR_LIBRARY=custom_mutators/aflpp/aflpp-mutator.so afl-fuzz ...```
+

custom_mutators/aflpp/aflpp.c

@@ -0,0 +1,89 @@
+#include "afl-mutations.h"
+
+typedef struct my_mutator {
+
+  afl_state_t *afl;
+  u8          *buf;
+  u32          buf_size;
+
+} my_mutator_t;
+
+my_mutator_t *afl_custom_init(afl_state_t *afl, unsigned int seed) {
+
+  (void)seed;
+
+  my_mutator_t *data = calloc(1, sizeof(my_mutator_t));
+  if (!data) {
+
+    perror("afl_custom_init alloc");
+    return NULL;
+
+  }
+
+  if ((data->buf = malloc(MAX_FILE)) == NULL) {
+
+    perror("afl_custom_init alloc");
+    return NULL;
+
+  } else {
+
+    data->buf_size = MAX_FILE;
+
+  }
+
+  data->afl = afl;
+
+  return data;
+
+}
+
+/* here we run the AFL++ mutator, which is the best! */
+
+size_t afl_custom_fuzz(my_mutator_t *data, uint8_t *buf, size_t buf_size,
+                       u8 **out_buf, uint8_t *add_buf, size_t add_buf_size,
+                       size_t max_size) {
+
+  if (max_size > data->buf_size) {
+
+    u8 *ptr = realloc(data->buf, max_size);
+
+    if (ptr) {
+
+      return 0;
+
+    } else {
+
+      data->buf = ptr;
+      data->buf_size = max_size;
+
+    }
+
+  }
+
+  u32 havoc_steps = 1 + rand_below(data->afl, 16);
+
+  /* set everything up, costly ... :( */
+  memcpy(data->buf, buf, buf_size);
+
+  /* the mutation */
+  u32 out_buf_len = afl_mutate(data->afl, data->buf, buf_size, havoc_steps,
+                               false, true, add_buf, add_buf_size, max_size);
+
+  /* return size of mutated data */
+  *out_buf = data->buf;
+  return out_buf_len;
+
+}
+
+/**
+ * Deinitialize everything
+ *
+ * @param data The data ptr from afl_custom_init
+ */
+void afl_custom_deinit(my_mutator_t *data) {
+
+  free(data->buf);
+  free(data);
+
+}
+

custom_mutators/aflpp/standalone/Makefile

@@ -0,0 +1,10 @@
+
+CFLAGS = -O3 -funroll-loops -fPIC
+
+all: aflpp-standalone
+
+aflpp-standalone:	aflpp-standalone.c
+	$(CC) $(CFLAGS) -I../../../include -I. -o aflpp-standalone aflpp-standalone.c ../../../src/afl-performance.c
+
+clean:
+	rm -f *.o *~ aflpp-standalone core

custom_mutators/aflpp/standalone/README.md

@@ -0,0 +1,10 @@
+# AFL++ standalone mutator
+
+this is the AFL++ havoc mutator as a standalone mutator
+
+just type `make` to build.
+
+```
+aflpp-standalone inputfile outputfile [splicefile]
+```
+

custom_mutators/aflpp/standalone/aflpp-standalone.c

@@ -0,0 +1,166 @@
+#include "afl-mutations.h"
+
+s8  interesting_8[] = {INTERESTING_8};
+s16 interesting_16[] = {INTERESTING_8, INTERESTING_16};
+s32 interesting_32[] = {INTERESTING_8, INTERESTING_16, INTERESTING_32};
+
+typedef struct my_mutator {
+
+  afl_state_t *afl;
+  u8          *buf;
+  u32          buf_size;
+
+} my_mutator_t;
+
+my_mutator_t *afl_custom_init(afl_state_t *afl, unsigned int seed) {
+
+  (void)seed;
+
+  my_mutator_t *data = calloc(1, sizeof(my_mutator_t));
+  if (!data) {
+
+    perror("afl_custom_init alloc");
+    return NULL;
+
+  }
+
+  if ((data->buf = malloc(1024*1024)) == NULL) {
+
+    perror("afl_custom_init alloc");
+    return NULL;
+
+  } else {
+
+    data->buf_size = 1024*1024;
+
+  }
+
+  /* fake AFL++ state */
+  data->afl = calloc(1, sizeof(afl_state_t));
+  data->afl->queue_cycle = 1;
+  data->afl->fsrv.dev_urandom_fd = open("/dev/urandom", O_RDONLY);
+  if (data->afl->fsrv.dev_urandom_fd < 0) { PFATAL("Unable to open /dev/urandom"); }
+  rand_set_seed(data->afl, getpid());
+
+  return data;
+
+}
+
+/* here we run the AFL++ mutator, which is the best! */
+
+size_t afl_custom_fuzz(my_mutator_t *data, uint8_t *buf, size_t buf_size,
+                       u8 **out_buf, uint8_t *add_buf, size_t add_buf_size,
+                       size_t max_size) {
+
+  if (max_size > data->buf_size) {
+
+    u8 *ptr = realloc(data->buf, max_size);
+
+    if (ptr) {
+
+      return 0;
+
+    } else {
+
+      data->buf = ptr;
+      data->buf_size = max_size;
+
+    }
+
+  }
+
+  u32 havoc_steps = 1 + rand_below(data->afl, 16);
+
+  /* set everything up, costly ... :( */
+  memcpy(data->buf, buf, buf_size);
+
+  /* the mutation */
+  u32 out_buf_len = afl_mutate(data->afl, data->buf, buf_size, havoc_steps,
+                               false, true, add_buf, add_buf_size, max_size);
+
+  /* return size of mutated data */
+  *out_buf = data->buf;
+  return out_buf_len;
+
+}
+
+int main(int argc, char *argv[]) {
+
+  if (argc > 1 && strncmp(argv[1], "-h", 2) == 0) {
+    printf("Syntax: %s [-v] [inputfile [outputfile [splicefile]]]\n\n", argv[0]);
+    printf("Reads a testcase from stdin when no input file (or '-') is specified,\n");
+    printf("mutates according to AFL++'s mutation engine, and write to stdout when '-' or\n");
+    printf("no output filename is given. As an optional third parameter you can give a file\n");
+    printf("for splicing. Maximum input and output length is 1MB.\n");
+    printf("The -v verbose option prints debug output to stderr.\n");
+    return 0;
+  }
+
+  FILE *in = stdin, *out = stdout, *splice = NULL;
+  unsigned char *inbuf = malloc(1024 * 1024), *outbuf, *splicebuf = NULL;
+  int verbose = 0, splicelen = 0;
+
+  if (argc > 1 && strcmp(argv[1], "-v") == 0) {
+    verbose = 1;
+    argc--;
+    argv++;
+    fprintf(stderr, "Verbose active\n");
+  }
+
+  my_mutator_t *data = afl_custom_init(NULL, 0);
+
+  if (argc > 1 && strcmp(argv[1], "-") != 0) {
+    if ((in = fopen(argv[1], "r")) == NULL) {
+      perror(argv[1]);
+      return -1;
+    }
+    if (verbose) fprintf(stderr, "Input: %s\n", argv[1]);
+  }
+
+  size_t inlen = fread(inbuf, 1, 1024*1024, in);
+  
+  if (!inlen) {
+    fprintf(stderr, "Error: empty file %s\n", argv[1] ? argv[1] : "stdin");
+    return -1;
+  }
+
+  if (argc > 2 && strcmp(argv[2], "-") != 0) {
+    if ((out = fopen(argv[2], "w")) == NULL) {
+      perror(argv[2]);
+      return -1;
+    }
+    if (verbose) fprintf(stderr, "Output: %s\n", argv[2]);
+  }
+
+  if (argc > 3) {
+    if ((splice = fopen(argv[3], "r")) == NULL) {
+      perror(argv[3]);
+      return -1;
+    }
+    if (verbose) fprintf(stderr, "Splice: %s\n", argv[3]);
+    splicebuf = malloc(1024*1024);
+    size_t splicelen = fread(splicebuf, 1, 1024*1024, splice);
+    if (!splicelen) {
+      fprintf(stderr, "Error: empty file %s\n", argv[3]);
+      return -1;
+    }
+    if (verbose) fprintf(stderr, "Mutation splice length: %zu\n", splicelen);
+  }
+
+  if (verbose) fprintf(stderr, "Mutation input length: %zu\n", inlen);
+  unsigned int outlen = afl_custom_fuzz(data, inbuf, inlen, &outbuf, splicebuf, splicelen, 1024*1024);
+
+  if (outlen == 0 || !outbuf) {
+    fprintf(stderr, "Error: no mutation data returned.\n");
+    return -1;
+  }
+
+  if (verbose) fprintf(stderr, "Mutation output length: %zu\n", outlen);
+
+  if (fwrite(outbuf, 1, outlen, out) != outlen) {
+    fprintf(stderr, "Warning: incomplete write.\n");
+    return -1;
+  }
+  
+  return 0;
+}

custom_mutators/aflpp_tritondse/README.md

@@ -0,0 +1,22 @@
+# An AFL++ custom mutator using TritonDSE
+
+## Installing the requirements
+
+`pip3 install tritondse`
+
+## How to run with an example
+
+```
+../../afl-cc -o ../../test-instr ../../test-instr.c
+mkdir -p in
+echo aaaa > in/in
+AFL_DISABLE_TRIM=1 AFL_CUSTOM_MUTATOR_ONLY=1 AFL_SYNC_TIME=1 AFL_PYTHON_MODULE=aflpp_tritondse PYTHONPATH=. ../../afl-fuzz -i in -o out -- ../../test-instr
+```
+
+Note that this custom mutator works differently, new finds are synced
+after 10-60 seconds to the fuzzing instance. This is necessary because only
+C/C++ custom mutators have access to the internal AFL++ state.
+
+Note that you should run first with `AFL_DEBUG` for 5-10 minutes and see if
+all important libraries and syscalls are hooked (look at `WARNING` and `CRITICAL`
+output during the run, best use with `AFL_NO_UI=1`)

custom_mutators/aflpp_tritondse/aflpp_tritondse.py

@@ -0,0 +1,220 @@
+import sys
+import os
+import logging
+import hashlib
+
+from tritondse import CleLoader
+from tritondse import CompositeData
+from tritondse import Config
+from tritondse import CoverageStrategy
+from tritondse import ProcessState
+from tritondse import Program
+from tritondse import Seed
+from tritondse import SeedFormat
+from tritondse import SymbolicExecutor
+from tritondse import SymbolicExplorator
+
+is_debug = False
+out_path = ""
+input_file = None
+prog = None
+config = None
+dse = None
+cycle = 0
+count = 0
+finding = 0
+hashes = set()
+format = SeedFormat.RAW
+
+def pre_exec_hook(se: SymbolicExecutor, state: ProcessState):
+    global count
+    global hashes
+    global finding
+    if se.seed.hash not in hashes:
+        hashes.add(se.seed.hash)
+        finding = 1
+        filename = out_path + "/id:" + f"{count:06}" + "," + se.seed.hash
+        if not os.path.exists(filename):
+            if is_debug:
+                print('Creating queue input ' + filename)
+            with open(filename, 'wb') as file:
+                if input_file:
+                    file.write(se.seed.content.files[input_file])
+                else:
+                    file.write(se.seed.content)
+                count += 1
+    #if input_file:
+    #    if is_debug:
+    #        print('Writing to ' + input_file + ' the content: ' + str(se.seed.content))
+    #    with open(input_file, 'wb') as file:
+    #        file.write(se.seed.content)
+
+
+#def rtn_open(se: SymbolicExecutor, pstate: ProcessState, pc):
+#    """
+#    The open behavior.
+#    """
+#    logging.debug('open hooked')
+#
+#    # Get arguments
+#    arg0 = pstate.get_argument_value(0)  # const char *pathname
+#    flags = pstate.get_argument_value(1)  # int flags
+#    mode = pstate.get_argument_value(2)  # int mode
+#    arg0s = pstate.memory.read_string(arg0)
+#
+#    # Concretize the whole path name
+#    pstate.concretize_memory_bytes(arg0, len(arg0s)+1)  # Concretize the whole string + \0
+#
+#    # We use flags as concrete value
+#    pstate.concretize_argument(1)
+#
+#    # Use the flags to open the file in the write mode.
+#    mode = ""
+#    if (flags & 0xFF) == 0x00:   # O_RDONLY
+#        mode = "r"
+#    elif (flags & 0xFF) == 0x01: # O_WRONLY
+#        mode = "w"
+#    elif (flags & 0xFF) == 0x02: # O_RDWR
+#        mode = "r+"
+#
+#    if (flags & 0x0100): # O_CREAT
+#        mode += "x"
+#    if (flags & 0x0200): # O_APPEND
+#        mode = "a"  # replace completely value
+#
+#    if se.seed.is_file_defined(arg0s) and "r" in mode:  # input file and opened in reading
+#        logging.info(f"opening an input file: {arg0s}")
+#        # Program is opening an input
+#        data = se.seed.get_file_input(arg0s)
+#        filedesc = pstate.create_file_descriptor(arg0s, io.BytesIO(data))
+#        fd = filedesc.id
+#    else:
+#        # Try to open it as a regular file
+#        try:
+#            fd = open(arg0s, mode)  # use the mode here
+#            filedesc = pstate.create_file_descriptor(arg0s, fd)
+#            fd = filedesc.id
+#        except Exception as e:
+#            logging.debug(f"Failed to open {arg0s} {e}")
+#            fd = pstate.minus_one
+#
+#    pstate.write_register("rax", fd)  # write the return value
+#    pstate.cpu.program_counter = pstate.pop_stack_value()  # pop the return value
+#    se.skip_instruction()  # skip the current instruction so that the engine go straight fetching the next instruction
+
+
+def init(seed):
+    global config
+    global dse
+    global format
+    global input_file
+    global is_debug
+    global out_path
+    global prog
+    # Load the program (LIEF-based program loader).
+    prog = CleLoader(os.environ['AFL_CUSTOM_INFO_PROGRAM'])
+    # Process other configuration environment variables.
+    argv = None
+    try:
+        foo = os.environ['AFL_DEBUG']
+        is_debug = True
+    except KeyError:
+        pass
+    if is_debug:
+        logging.basicConfig(level=logging.WARNING)
+    else:
+        logging.basicConfig(level=logging.CRITICAL)
+    try:
+        foo = os.environ['AFL_CUSTOM_INFO_OUT']
+        out_path = foo + '/../tritondse/queue'
+    except KeyError:
+        pass
+    try:
+        foo = os.environ['AFL_CUSTOM_INFO_PROGRAM_INPUT']
+        input_file = foo
+    except KeyError:
+        pass
+    try:
+        argv_list = os.environ['AFL_CUSTOM_INFO_PROGRAM_ARGV']
+        argv_tmp = [ os.environ['AFL_CUSTOM_INFO_PROGRAM'] ]
+        argv_tmp += argv_list.split()
+        argv = []
+        # now check for @@
+        for item in argv_tmp:
+            if "@@" in item:
+                input_file = out_path + '/../.input'
+                argv.append(input_file)
+            else:
+                argv.append(item)
+    except KeyError:
+        pass
+    # Create the output directory
+    os.makedirs(out_path, exist_ok=True)
+    # Debug
+    if is_debug:
+        print('DEBUG target: ' + os.environ['AFL_CUSTOM_INFO_PROGRAM'])
+        if argv:
+            print('DEBUG argv: ')
+            print(argv)
+        if input_file:
+            print('DEBUG input_file: ' + input_file)
+        print('DEBUG out_path: ' + out_path)
+        print('')
+    if input_file:
+        format = SeedFormat.COMPOSITE
+    # Now set up TritonDSE
+    config = Config(coverage_strategy = CoverageStrategy.PATH,
+    #                debug = is_debug,
+                    pipe_stdout = is_debug,
+                    pipe_stderr = is_debug,
+                    execution_timeout = 1,
+                    program_argv = argv,
+                    smt_timeout= 50,
+                    seed_format = format)
+    # Create an instance of the Symbolic Explorator
+    dse = SymbolicExplorator(config, prog)
+    # Add callbacks.
+    dse.callback_manager.register_pre_execution_callback(pre_exec_hook)
+    #dse.callback_manager.register_function_callback("open", rtn_open)
+
+
+def fuzz(buf, add_buf, max_size):
+    global finding
+    finding = 1
+    while finding == 1:
+      finding = 0
+      dse.step()
+    return b""
+
+
+def queue_new_entry(filename_new_queue, filename_orig_queue):
+    global cycle
+    global dse
+    # Add seed to the worklist.
+    with open(filename_new_queue, "rb") as file:
+        data = file.read()
+    hash = hashlib.md5(data).hexdigest()
+    if hash not in hashes:
+        hashes.add(hash)
+        if is_debug:
+            print("NEW FILE " + filename_new_queue + " hash " + hash + " count " + str(cycle))
+            cycle += 1
+        if input_file:
+            seed = Seed(CompositeData(files={"stdin": b"", # nothing on stdin
+                                  input_file: data}))
+        else:
+            seed = Seed(data)
+        dse.add_input_seed(seed)
+        # Start exploration!
+        #dse.step()
+        #dse.explore()
+    pass
+
+
+# we simulate just doing one single fuzz in the custom mutator
+def fuzz_count(buf):
+    return 1
+
+
+def splice_optout():
+    pass

custom_mutators/atnwalk/Makefile

@@ -0,0 +1,7 @@
+all:	atnwalk.so
+
+atnwalk.so:	atnwalk.c
+	$(CC) -I ../../include/ -shared -fPIC -O3 -o atnwalk.so atnwalk.c
+
+clean:
+	rm -f *.so *.o *~ core

custom_mutators/atnwalk/README.md

@@ -0,0 +1,43 @@
+# ATNwalk: Grammar-Based Fuzzing using Only Bit-Mutations
+
+This is a custom mutator integration of ATNwalk that works by communicating via UNIX domain sockets.
+
+Refer to [https://github.com/atnwalk/testbed](https://github.com/atnwalk/testbed) for detailed instructions on how to get ATNwalk running.
+
+## Build
+
+Just type `make` to build `atnwalk.so`.
+
+## Run
+
+**NOTE:** The commands below just demonstrate an example how running ATNwalk looks like and require a working [testbed](https://github.com/atnwalk/testbed)
+
+```bash
+# create the required a random seed first
+mkdir -p ~/campaign/example/seeds
+cd ~/campaign/example/seeds
+head -c1 /dev/urandom | ~/atnwalk/build/javascript/bin/decode -wb > seed.decoded 2> seed.encoded
+
+# create the required atnwalk directory and copy the seed
+cd ../
+mkdir -p atnwalk/in
+cp ./seeds/seed.encoded atnwalk/in/seed
+cd atnwalk
+
+# assign to a single core when benchmarking it, change the CPU number as required
+CPU_ID=0
+
+# start the ATNwalk server
+nohup taskset -c ${CPU_ID} ${HOME}/atnwalk/build/javascript/bin/server 100 > server.log 2>&1 &
+
+# start AFL++ with ATNwalk
+AFL_SKIP_CPUFREQ=1 \
+  AFL_DISABLE_TRIM=1 \
+  AFL_CUSTOM_MUTATOR_ONLY=1 \
+  AFL_CUSTOM_MUTATOR_LIBRARY=${HOME}/AFLplusplus/custom_mutators/atnwalk/atnwalk.so \
+  AFL_POST_PROCESS_KEEP_ORIGINAL=1 \
+  ~/AFLplusplus/afl-fuzz -t 100 -i in/ -o out -b ${CPU_ID} -- ~/jerryscript/build/bin/jerry
+
+# make sure to kill the ATNwalk server process after you're done
+kill "$(cat atnwalk.pid)"
+```

custom_mutators/atnwalk/atnwalk.c

@@ -0,0 +1,539 @@
+#include "afl-fuzz.h"
+
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <unistd.h>
+
+#define BUF_SIZE_INIT 4096
+#define SOCKET_NAME "./atnwalk.socket"
+
+// how many errors (e.g. timeouts) to tolerate until moving on to the next queue
+// entry
+#define ATNWALK_ERRORS_MAX 1
+
+// how many execution timeouts to tolerate until moving on to the next queue
+// entry
+#define EXEC_TIMEOUT_MAX 2
+
+// handshake constants
+const uint8_t SERVER_ARE_YOU_ALIVE = 213;
+const uint8_t SERVER_YES_I_AM_ALIVE = 42;
+
+// control bits
+const uint8_t SERVER_CROSSOVER_BIT = 0b00000001;
+const uint8_t SERVER_MUTATE_BIT = 0b00000010;
+const uint8_t SERVER_DECODE_BIT = 0b00000100;
+const uint8_t SERVER_ENCODE_BIT = 0b00001000;
+
+typedef struct atnwalk_mutator {
+
+  afl_state_t *afl;
+  uint8_t      atnwalk_error_count;
+  uint64_t     prev_timeouts;
+  uint32_t     prev_hits;
+  uint32_t     stage_havoc_cur;
+  uint32_t     stage_havoc_max;
+  uint32_t     stage_splice_cur;
+  uint32_t     stage_splice_max;
+  uint8_t     *fuzz_buf;
+  size_t       fuzz_size;
+  uint8_t     *post_process_buf;
+  size_t       post_process_size;
+
+} atnwalk_mutator_t;
+
+int read_all(int fd, uint8_t *buf, size_t buf_size) {
+
+  int    n;
+  size_t offset = 0;
+  while (offset < buf_size) {
+
+    n = read(fd, buf + offset, buf_size - offset);
+    if (n == -1) { return 0; }
+    offset += n;
+
+  }
+
+  return 1;
+
+}
+
+int write_all(int fd, uint8_t *buf, size_t buf_size) {
+
+  int    n;
+  size_t offset = 0;
+  while (offset < buf_size) {
+
+    n = write(fd, buf + offset, buf_size - offset);
+    if (n == -1) { return 0; }
+    offset += n;
+
+  }
+
+  return 1;
+
+}
+
+void put_uint32(uint8_t *buf, uint32_t val) {
+
+  buf[0] = (uint8_t)(val >> 24);
+  buf[1] = (uint8_t)((val & 0x00ff0000) >> 16);
+  buf[2] = (uint8_t)((val & 0x0000ff00) >> 8);
+  buf[3] = (uint8_t)(val & 0x000000ff);
+
+}
+
+uint32_t to_uint32(uint8_t *buf) {
+
+  uint32_t val = 0;
+  val |= (((uint32_t)buf[0]) << 24);
+  val |= (((uint32_t)buf[1]) << 16);
+  val |= (((uint32_t)buf[2]) << 8);
+  val |= ((uint32_t)buf[3]);
+  return val;
+
+}
+
+void put_uint64(uint8_t *buf, uint64_t val) {
+
+  buf[0] = (uint8_t)(val >> 56);
+  buf[1] = (uint8_t)((val & 0x00ff000000000000) >> 48);
+  buf[2] = (uint8_t)((val & 0x0000ff0000000000) >> 40);
+  buf[3] = (uint8_t)((val & 0x000000ff00000000) >> 32);
+  buf[4] = (uint8_t)((val & 0x00000000ff000000) >> 24);
+  buf[5] = (uint8_t)((val & 0x0000000000ff0000) >> 16);
+  buf[6] = (uint8_t)((val & 0x000000000000ff00) >> 8);
+  buf[7] = (uint8_t)(val & 0x00000000000000ff);
+
+}
+
+/**
+ * Initialize this custom mutator
+ *
+ * @param[in] afl a pointer to the internal state object. Can be ignored for
+ * now.
+ * @param[in] seed A seed for this mutator - the same seed should always mutate
+ * in the same way.
+ * @return Pointer to the data object this custom mutator instance should use.
+ *         There may be multiple instances of this mutator in one afl-fuzz run!
+ *         Return NULL on error.
+ */
+atnwalk_mutator_t *afl_custom_init(afl_state_t *afl, unsigned int seed) {
+
+  srand(seed);
+  atnwalk_mutator_t *data =
+      (atnwalk_mutator_t *)malloc(sizeof(atnwalk_mutator_t));
+  if (!data) {
+
+    perror("afl_custom_init alloc");
+    return NULL;
+
+  }
+
+  data->afl = afl;
+  data->prev_hits = 0;
+  data->fuzz_buf = (uint8_t *)malloc(BUF_SIZE_INIT);
+  data->fuzz_size = BUF_SIZE_INIT;
+  data->post_process_buf = (uint8_t *)malloc(BUF_SIZE_INIT);
+  data->post_process_size = BUF_SIZE_INIT;
+  return data;
+
+}
+
+unsigned int afl_custom_fuzz_count(atnwalk_mutator_t   *data,
+                                   const unsigned char *buf, size_t buf_size) {
+
+  // afl_custom_fuzz_count is called exactly once before entering the
+  // 'stage-loop' for the current queue entry thus, we use it to reset the error
+  // count and to initialize stage variables (somewhat not intended by the API,
+  // but still better than rewriting the whole thing to have a custom mutator
+  // stage)
+  data->atnwalk_error_count = 0;
+  data->prev_timeouts = data->afl->total_tmouts;
+
+  // it might happen that on the last execution of the splice stage a new path
+  // is found we need to fix that here and count it
+  if (data->prev_hits) {
+
+    data->afl->stage_finds[STAGE_SPLICE] +=
+        data->afl->queued_items + data->afl->saved_crashes - data->prev_hits;
+
+  }
+
+  data->prev_hits = data->afl->queued_items + data->afl->saved_crashes;
+  data->stage_havoc_cur = 0;
+  data->stage_splice_cur = 0;
+
+  // 50% havoc, 50% splice
+  data->stage_havoc_max = data->afl->stage_max >> 1;
+  if (data->stage_havoc_max < HAVOC_MIN) { data->stage_havoc_max = HAVOC_MIN; }
+  data->stage_splice_max = data->stage_havoc_max;
+  return data->stage_havoc_max + data->stage_splice_max;
+
+}
+
+size_t fail_fatal(int fd_socket, uint8_t **out_buf) {
+
+  if (fd_socket != -1) { close(fd_socket); }
+  *out_buf = NULL;
+  return 0;
+
+}
+
+size_t fail_gracefully(int fd_socket, atnwalk_mutator_t *data, uint8_t *buf,
+                       size_t buf_size, uint8_t **out_buf) {
+
+  if (fd_socket != -1) { close(fd_socket); }
+  data->atnwalk_error_count++;
+  if (data->atnwalk_error_count > ATNWALK_ERRORS_MAX) {
+
+    data->afl->stage_max = data->afl->stage_cur;
+
+  }
+
+  *out_buf = buf;
+  return buf_size;
+
+}
+
+/**
+ * Perform custom mutations on a given input
+ *
+ * (Optional for now. Required in the future)
+ *
+ * @param[in] data pointer returned in afl_custom_init for this fuzz case
+ * @param[in] buf Pointer to input data to be mutated
+ * @param[in] buf_size Size of input data
+ * @param[out] out_buf the buffer we will work on. we can reuse *buf. NULL on
+ * error.
+ * @param[in] add_buf Buffer containing the additional test case
+ * @param[in] add_buf_size Size of the additional test case
+ * @param[in] max_size Maximum size of the mutated output. The mutation must not
+ *     produce data larger than max_size.
+ * @return Size of the mutated output.
+ */
+size_t afl_custom_fuzz(atnwalk_mutator_t *data, uint8_t *buf, size_t buf_size,
+                       uint8_t **out_buf, uint8_t *add_buf, size_t add_buf_size,
+                       size_t max_size) {
+
+  struct sockaddr_un addr;
+  int                fd_socket;
+  uint8_t            ctrl_buf[8];
+  uint8_t            wanted;
+
+  // let's display what's going on in a nice way
+  if (data->stage_havoc_cur == 0) {
+
+    data->afl->stage_name = (uint8_t *)"atnwalk - havoc";
+
+  }
+
+  if (data->stage_havoc_cur == data->stage_havoc_max) {
+
+    data->afl->stage_name = (uint8_t *)"atnwalk - splice";
+
+  }
+
+  // increase the respective havoc or splice counters
+  if (data->stage_havoc_cur < data->stage_havoc_max) {
+
+    data->stage_havoc_cur++;
+    data->afl->stage_cycles[STAGE_HAVOC]++;
+
+  } else {
+
+    // if there is nothing to splice, continue with havoc and skip splicing this
+    // time
+    if (data->afl->ready_for_splicing_count < 1) {
+
+      data->stage_havoc_max = data->afl->stage_max;
+      data->stage_havoc_cur++;
+      data->afl->stage_cycles[STAGE_HAVOC]++;
+
+    } else {
+
+      data->stage_splice_cur++;
+      data->afl->stage_cycles[STAGE_SPLICE]++;
+
+    }
+
+  }
+
+  // keep track of found new corpus seeds per stage
+  if (data->afl->queued_items + data->afl->saved_crashes > data->prev_hits) {
+
+    if (data->stage_splice_cur <= 1) {
+
+      data->afl->stage_finds[STAGE_HAVOC] +=
+          data->afl->queued_items + data->afl->saved_crashes - data->prev_hits;
+
+    } else {
+
+      data->afl->stage_finds[STAGE_SPLICE] +=
+          data->afl->queued_items + data->afl->saved_crashes - data->prev_hits;
+
+    }
+
+  }
+
+  data->prev_hits = data->afl->queued_items + data->afl->saved_crashes;
+
+  // check whether this input produces a lot of timeouts, if it does then
+  // abandon this queue entry
+  if (data->afl->total_tmouts - data->prev_timeouts >= EXEC_TIMEOUT_MAX) {
+
+    data->afl->stage_max = data->afl->stage_cur;
+    return fail_gracefully(-1, data, buf, buf_size, out_buf);
+
+  }
+
+  // initialize the socket
+  fd_socket = socket(AF_UNIX, SOCK_STREAM, 0);
+  if (fd_socket == -1) { return fail_fatal(fd_socket, out_buf); }
+  memset(&addr, 0, sizeof(addr));
+  addr.sun_family = AF_UNIX;
+  strncpy(addr.sun_path, SOCKET_NAME, sizeof(addr.sun_path) - 1);
+  if (connect(fd_socket, (const struct sockaddr *)&addr, sizeof(addr)) == -1) {
+
+    return fail_fatal(fd_socket, out_buf);
+
+  }
+
+  // ask whether the server is alive
+  ctrl_buf[0] = SERVER_ARE_YOU_ALIVE;
+  if (!write_all(fd_socket, ctrl_buf, 1)) {
+
+    return fail_fatal(fd_socket, out_buf);
+
+  }
+
+  // see whether the server replies as expected
+  if (!read_all(fd_socket, ctrl_buf, 1) ||
+      ctrl_buf[0] != SERVER_YES_I_AM_ALIVE) {
+
+    return fail_fatal(fd_socket, out_buf);
+
+  }
+
+  // tell the server what we want to do
+  wanted = SERVER_MUTATE_BIT | SERVER_ENCODE_BIT;
+
+  // perform a crossover if we are splicing
+  if (data->stage_splice_cur > 0) { wanted |= SERVER_CROSSOVER_BIT; }
+
+  // tell the server what we want and how much data will be sent
+  ctrl_buf[0] = wanted;
+  put_uint32(ctrl_buf + 1, (uint32_t)buf_size);
+  if (!write_all(fd_socket, ctrl_buf, 5)) {
+
+    return fail_fatal(fd_socket, out_buf);
+
+  }
+
+  // send the data to mutate and encode
+  if (!write_all(fd_socket, buf, buf_size)) {
+
+    return fail_gracefully(fd_socket, data, buf, buf_size, out_buf);
+
+  }
+
+  if (wanted & SERVER_CROSSOVER_BIT) {
+
+    // since we requested crossover, we will first tell how much additional data
+    // is to be expected
+    put_uint32(ctrl_buf, (uint32_t)add_buf_size);
+    if (!write_all(fd_socket, ctrl_buf, 4)) {
+
+      return fail_gracefully(fd_socket, data, buf, buf_size, out_buf);
+
+    }
+
+    // send the additional data for crossover
+    if (!write_all(fd_socket, add_buf, add_buf_size)) {
+
+      return fail_gracefully(fd_socket, data, buf, buf_size, out_buf);
+
+    }
+
+    // lastly, a seed is required for crossover so send one
+    put_uint64(ctrl_buf, (uint64_t)rand());
+    if (!write_all(fd_socket, ctrl_buf, 8)) {
+
+      return fail_gracefully(fd_socket, data, buf, buf_size, out_buf);
+
+    }
+
+  }
+
+  // since we requested mutation, we need to provide a seed for that
+  put_uint64(ctrl_buf, (uint64_t)rand());
+  if (!write_all(fd_socket, ctrl_buf, 8)) {
+
+    return fail_gracefully(fd_socket, data, buf, buf_size, out_buf);
+
+  }
+
+  // obtain the required buffer size for the data that will be returned
+  if (!read_all(fd_socket, ctrl_buf, 4)) {
+
+    return fail_gracefully(fd_socket, data, buf, buf_size, out_buf);
+
+  }
+
+  size_t new_size = (size_t)to_uint32(ctrl_buf);
+
+  // if the data is too large then we ignore this round
+  if (new_size > max_size) {
+
+    return fail_gracefully(fd_socket, data, buf, buf_size, out_buf);
+
+  }
+
+  if (new_size > buf_size) {
+
+    // buf is too small, need to use data->fuzz_buf, let's see whether we need
+    // to reallocate
+    if (new_size > data->fuzz_size) {
+
+      data->fuzz_size = new_size << 1;
+      data->fuzz_buf = (uint8_t *)realloc(data->fuzz_buf, data->fuzz_size);
+
+    }
+
+    *out_buf = data->fuzz_buf;
+
+  } else {
+
+    // new_size fits into buf, so re-use it
+    *out_buf = buf;
+
+  }
+
+  // obtain the encoded data
+  if (!read_all(fd_socket, *out_buf, new_size)) {
+
+    return fail_gracefully(fd_socket, data, buf, buf_size, out_buf);
+
+  }
+
+  close(fd_socket);
+  return new_size;
+
+}
+
+/**
+ * A post-processing function to use right before AFL writes the test case to
+ * disk in order to execute the target.
+ *
+ * (Optional) If this functionality is not needed, simply don't define this
+ * function.
+ *
+ * @param[in] data pointer returned in afl_custom_init for this fuzz case
+ * @param[in] buf Buffer containing the test case to be executed
+ * @param[in] buf_size Size of the test case
+ * @param[out] out_buf Pointer to the buffer containing the test case after
+ *     processing. External library should allocate memory for out_buf.
+ *     The buf pointer may be reused (up to the given buf_size);
+ * @return Size of the output buffer after processing or the needed amount.
+ *     A return of 0 indicates an error.
+ */
+size_t afl_custom_post_process(atnwalk_mutator_t *data, uint8_t *buf,
+                               size_t buf_size, uint8_t **out_buf) {
+
+  struct sockaddr_un addr;
+  int                fd_socket;
+  uint8_t            ctrl_buf[8];
+
+  // initialize the socket
+  fd_socket = socket(AF_UNIX, SOCK_STREAM, 0);
+  if (fd_socket == -1) { return fail_fatal(fd_socket, out_buf); }
+  memset(&addr, 0, sizeof(addr));
+  addr.sun_family = AF_UNIX;
+  strncpy(addr.sun_path, SOCKET_NAME, sizeof(addr.sun_path) - 1);
+  if (connect(fd_socket, (const struct sockaddr *)&addr, sizeof(addr)) == -1) {
+
+    return fail_fatal(fd_socket, out_buf);
+
+  }
+
+  // ask whether the server is alive
+  ctrl_buf[0] = SERVER_ARE_YOU_ALIVE;
+  if (!write_all(fd_socket, ctrl_buf, 1)) {
+
+    return fail_fatal(fd_socket, out_buf);
+
+  }
+
+  // see whether the server replies as expected
+  if (!read_all(fd_socket, ctrl_buf, 1) ||
+      ctrl_buf[0] != SERVER_YES_I_AM_ALIVE) {
+
+    return fail_fatal(fd_socket, out_buf);
+
+  }
+
+  // tell the server what we want and how much data will be sent
+  ctrl_buf[0] = SERVER_DECODE_BIT;
+  put_uint32(ctrl_buf + 1, (uint32_t)buf_size);
+  if (!write_all(fd_socket, ctrl_buf, 5)) {
+
+    return fail_gracefully(fd_socket, data, buf, buf_size, out_buf);
+
+  }
+
+  // send the data to decode
+  if (!write_all(fd_socket, buf, buf_size)) {
+
+    return fail_gracefully(fd_socket, data, buf, buf_size, out_buf);
+
+  }
+
+  // obtain the required buffer size for the data that will be returned
+  if (!read_all(fd_socket, ctrl_buf, 4)) {
+
+    return fail_gracefully(fd_socket, data, buf, buf_size, out_buf);
+
+  }
+
+  size_t new_size = (size_t)to_uint32(ctrl_buf);
+
+  // need to use data->post_process_buf, let's see whether we need to reallocate
+  if (new_size > data->post_process_size) {
+
+    data->post_process_size = new_size << 1;
+    data->post_process_buf =
+        (uint8_t *)realloc(data->post_process_buf, data->post_process_size);
+
+  }
+
+  *out_buf = data->post_process_buf;
+
+  // obtain the decoded data
+  if (!read_all(fd_socket, *out_buf, new_size)) {
+
+    return fail_gracefully(fd_socket, data, buf, buf_size, out_buf);
+
+  }
+
+  close(fd_socket);
+  return new_size;
+
+}
+
+/**
+ * Deinitialize everything
+ *
+ * @param data The data ptr from afl_custom_init
+ */
+void afl_custom_deinit(atnwalk_mutator_t *data) {
+
+  free(data->fuzz_buf);
+  free(data->post_process_buf);
+  free(data);
+
+}
+

custom_mutators/autotokens/Makefile

@@ -0,0 +1,26 @@
+ifdef debug
+	CPPLAGS += -fsanitize=address
+	CXXFLAGS += -Wall
+	CC := clang
+	CXX := clang++
+endif
+ifdef DEBUG
+	CPPFLAGS += -fsanitize=address
+	CXXFLAGS += -Wall
+	CC := clang
+	CXX := clang++
+endif
+
+all:	autotokens.so
+
+afl-fuzz-queue.o:	../../src/afl-fuzz-queue.c
+	$(CC) -D_STANDALONE_MODULE=1 -I../../include -g -O3 $(CPPFLAGS) -fPIC -c -o ./afl-fuzz-queue.o ../../src/afl-fuzz-queue.c
+
+afl-common.o:	../../src/afl-common.c
+	$(CC) -I../../include -g -O3 $(CPPFLAGS) -DBIN_PATH=\"dummy\" -Wno-pointer-sign -fPIC -c -o ./afl-common.o ../../src/afl-common.c
+
+autotokens.so:	afl-fuzz-queue.o afl-common.o autotokens.cpp
+	$(CXX) -Wno-deprecated -g -O3 $(CXXFLAGS) $(CPPFLAGS) -shared -fPIC -o autotokens.so -I../../include autotokens.cpp  ./afl-fuzz-queue.o ../../src/afl-performance.o ./afl-common.o
+
+clean:
+	rm -f autotokens.so *.o *~ core

custom_mutators/autotokens/README

@@ -0,0 +1,34 @@
+# Autotokens
+
+This implements an improved autotoken grammar fuzzing idea presented in
+[Token-Level Fuzzing][https://www.usenix.org/system/files/sec21-salls.pdf].
+It is a grammar fuzzer without actually knowing the grammar, but only works
+with text based inputs.
+
+It is recommended to run with together in an instance with `CMPLOG`.
+
+If you have a dictionary (`-x`) this improves this custom grammar mutator.
+
+If **not** running with `CMPLOG`, it is possible to set
+`AFL_CUSTOM_MUTATOR_ONLY` to concentrate on grammar bug classes.
+
+Do **not** set `AFL_DISABLE_TRIM` with this custom mutator!
+
+## Configuration via environment variables
+
+`AUTOTOKENS_ONLY_FAV` - only use this mutator on favorite queue items
+`AUTOTOKENS_COMMENT` - what character or string starts a comment which will be
+                       removed. Default: `/* ... */`
+`AUTOTOKENS_FUZZ_COUNT_SHIFT` - reduce the number of fuzzing performed, shifting
+                                the value by this number, e.g. 1.
+`AUTOTOKENS_AUTO_DISABLE` - disable this module if the seeds are not ascii
+                            (or no input and no (ascii) dictionary)
+`AUTOTOKENS_LEARN_DICT` - learn from dictionaries?
+                          0 = none
+                          1 = only -x or autodict
+                          2 = -x, autodict and `CMPLOG`
+`AUTOTOKENS_CHANGE_MIN` - minimum number of mutations (1-256, default 8)
+`AUTOTOKENS_CHANGE_MAX` - maximum number of mutations (1-4096, default 64)
+`AUTOTOKENS_CREATE_FROM_THIN_AIR` - if only one small start file is present and
+                                    a dictionary loaded then create one initial
+                                    structure based on the dictionary.

custom_mutators/examples/Makefile

@@ -0,0 +1,7 @@
+all: libexamplemutator.so
+
+libexamplemutator.so:
+	$(CC) $(CFLAGS) -D_FORTIFY_SOURCE=2 -O3 -fPIC -shared -g -I ../../include example.c -o libexamplemutator.so
+
+clean:
+	rm -rf libexamplemutator.so

custom_mutators/examples/README.md

@@ -0,0 +1,38 @@
+# Examples for the custom mutator
+
+These are example and helper files for the custom mutator feature.
+See [docs/custom_mutators.md](../../docs/custom_mutators.md) for more information
+
+Note that if you compile with python3.7 you must use python3 scripts, and if
+you use python2.7 to compile python2 scripts!
+
+simple_example.c - most simplest example. generates a random sized buffer
+          filled with 'A'
+
+example.c - this is a simple example written in C and should be compiled to a
+          shared library. Use make to compile it and produce libexamplemutator.so
+
+example.py - this is the template you can use, the functions are there but they
+           are empty
+
+post_library_gif.so.c - fix a fuzz input to ensure it is valid for GIF
+
+post_library_png.so.c - fix a fuzz input to ensure it is valid for PNG
+
+simple-chunk-replace.py - this is a simple example where chunks are replaced
+
+common.py - this can be used for common functions and helpers.
+          the examples do not use this though. But you can :)
+
+wrapper_afl_min.py - mutation of XML documents, loads XmlMutatorMin.py
+
+XmlMutatorMin.py - module for XML mutation
+
+custom_mutator_helpers.h is an header that defines some helper routines
+like surgical_havoc_mutate() that allow to perform a randomly chosen
+mutation from a subset of the havoc mutations.
+If you do so, you have to specify -I /path/to/AFLplusplus/include when
+compiling.
+
+elf_header_mutator.c - example ELF header mutator based on 
+ [LibGolf](https://github.com/xcellerator/libgolf/)

custom_mutators/examples/XmlMutatorMin.py

@@ -0,0 +1,348 @@
+#!/usr/bin/python
+
+""" Mutation of XML documents, should be called from one of its wrappers (CLI, AFL, ...) """
+
+from __future__ import print_function
+from copy import deepcopy
+from lxml import etree as ET
+import random, re, io
+
+
+###########################
+# The XmlMutatorMin class #
+###########################
+
+
+class XmlMutatorMin:
+
+    """
+    Optionals parameters:
+        seed        Seed used by the PRNG (default: "RANDOM")
+        verbose     Verbosity (default: False)
+    """
+
+    def __init__(self, seed="RANDOM", verbose=False):
+
+        """ Initialize seed, database and mutators """
+
+        # Verbosity
+        self.verbose = verbose
+
+        # Initialize PRNG
+        self.seed = str(seed)
+        if self.seed == "RANDOM":
+            random.seed()
+        else:
+            if self.verbose:
+                print("Static seed '%s'" % self.seed)
+            random.seed(self.seed)
+
+        # Initialize input and output documents
+        self.input_tree = None
+        self.tree = None
+
+        # High-level mutators (no database needed)
+        hl_mutators_delete = [
+            "del_node_and_children",
+            "del_node_but_children",
+            "del_attribute",
+            "del_content",
+        ]  # Delete items
+        hl_mutators_fuzz = ["fuzz_attribute"]  # Randomly change attribute values
+
+        # Exposed mutators
+        self.hl_mutators_all = hl_mutators_fuzz + hl_mutators_delete
+
+    def __parse_xml(self, xml):
+
+        """ Parse an XML string. Basic wrapper around lxml.parse() """
+
+        try:
+            # Function parse() takes care of comments / DTD / processing instructions / ...
+            tree = ET.parse(io.BytesIO(xml))
+        except ET.ParseError:
+            raise RuntimeError("XML isn't well-formed!")
+        except LookupError as e:
+            raise RuntimeError(e)
+
+        # Return a document wrapper
+        return tree
+
+    def __exec_among(self, module, functions, min_times, max_times):
+
+        """ Randomly execute $functions between $min and $max times """
+
+        for i in xrange(random.randint(min_times, max_times)):
+            # Function names are mangled because they are "private"
+            getattr(module, "_XmlMutatorMin__" + random.choice(functions))()
+
+    def __serialize_xml(self, tree):
+
+        """ Serialize a XML document. Basic wrapper around lxml.tostring() """
+
+        return ET.tostring(
+            tree, with_tail=False, xml_declaration=True, encoding=tree.docinfo.encoding
+        )
+
+    def __ver(self, version):
+
+        """ Helper for displaying lxml version numbers """
+
+        return ".".join(map(str, version))
+
+    def reset(self):
+
+        """ Reset the mutator """
+
+        self.tree = deepcopy(self.input_tree)
+
+    def init_from_string(self, input_string):
+
+        """ Initialize the mutator from a XML string """
+
+        # Get a pointer to the top-element
+        self.input_tree = self.__parse_xml(input_string)
+
+        # Get a working copy
+        self.tree = deepcopy(self.input_tree)
+
+    def save_to_string(self):
+
+        """ Return the current XML document as UTF-8 string """
+
+        # Return a text version of the tree
+        return self.__serialize_xml(self.tree)
+
+    def __pick_element(self, exclude_root_node=False):
+
+        """ Pick a random element from the current document """
+
+        # Get a list of all elements, but nodes like PI and comments
+        elems = list(self.tree.getroot().iter(tag=ET.Element))
+
+        # Is the root node excluded?
+        if exclude_root_node:
+            start = 1
+        else:
+            start = 0
+
+        # Pick a random element
+        try:
+            elem_id = random.randint(start, len(elems) - 1)
+            elem = elems[elem_id]
+        except ValueError:
+            # Should only occurs if "exclude_root_node = True"
+            return (None, None)
+
+        return (elem_id, elem)
+
+    def __fuzz_attribute(self):
+
+        """ Fuzz (part of) an attribute value """
+
+        # Select a node to modify
+        (rand_elem_id, rand_elem) = self.__pick_element()
+
+        # Get all the attributes
+        attribs = rand_elem.keys()
+
+        # Is there attributes?
+        if len(attribs) < 1:
+            if self.verbose:
+                print("No attribute: can't replace!")
+            return
+
+        # Pick a random attribute
+        rand_attrib_id = random.randint(0, len(attribs) - 1)
+        rand_attrib = attribs[rand_attrib_id]
+
+        # We have the attribute to modify
+        # Get its value
+        attrib_value = rand_elem.get(rand_attrib)
+        # print("- Value: " + attrib_value)
+
+        # Should we work on the whole value?
+        func_call = "(?P<func>[a-zA-Z:\-]+)\((?P<args>.*?)\)"
+        p = re.compile(func_call)
+        l = p.findall(attrib_value)
+        if random.choice((True, False)) and l:
+            # Randomly pick one the function calls
+            (func, args) = random.choice(l)
+            # Split by "," and randomly pick one of the arguments
+            value = random.choice(args.split(","))
+            # Remove superfluous characters
+            unclean_value = value
+            value = value.strip(" ").strip("'")
+            # print("Selected argument: [%s]" % value)
+        else:
+            value = attrib_value
+
+        # For each type, define some possible replacement values
+        choices_number = (
+            "0",
+            "11111",
+            "-128",
+            "2",
+            "-1",
+            "1/3",
+            "42/0",
+            "1094861636 idiv 1.0",
+            "-1123329771506872 idiv 3.8",
+            "17=$numericRTF",
+            str(3 + random.randrange(0, 100)),
+        )
+
+        choices_letter = (
+            "P" * (25 * random.randrange(1, 100)),
+            "%s%s%s%s%s%s",
+            "foobar",
+        )
+
+        choices_alnum = (
+            "Abc123",
+            "020F0302020204030204",
+            "020F0302020204030204" * (random.randrange(5, 20)),
+        )
+
+        # Fuzz the value
+        if random.choice((True, False)) and value == "":
+
+            # Empty
+            new_value = value
+
+        elif random.choice((True, False)) and value.isdigit():
+
+            # Numbers
+            new_value = random.choice(choices_number)
+
+        elif random.choice((True, False)) and value.isalpha():
+
+            # Letters
+            new_value = random.choice(choices_letter)
+
+        elif random.choice((True, False)) and value.isalnum():
+
+            # Alphanumeric
+            new_value = random.choice(choices_alnum)
+
+        else:
+
+            # Default type
+            new_value = random.choice(choices_alnum + choices_letter + choices_number)
+
+        # If we worked on a substring, apply changes to the whole string
+        if value != attrib_value:
+            # No ' around empty values
+            if new_value != "" and value != "":
+                new_value = "'" + new_value + "'"
+            # Apply changes
+            new_value = attrib_value.replace(unclean_value, new_value)
+
+        # Log something
+        if self.verbose:
+            print(
+                "Fuzzing attribute #%i '%s' of tag #%i '%s'"
+                % (rand_attrib_id, rand_attrib, rand_elem_id, rand_elem.tag)
+            )
+
+        # Modify the attribute
+        rand_elem.set(rand_attrib, new_value.decode("utf-8"))
+
+    def __del_node_and_children(self):
+
+        """High-level minimizing mutator
+        Delete a random node and its children (i.e. delete a random tree)"""
+
+        self.__del_node(True)
+
+    def __del_node_but_children(self):
+
+        """High-level minimizing mutator
+        Delete a random node but its children (i.e. link them to the parent of the deleted node)"""
+
+        self.__del_node(False)
+
+    def __del_node(self, delete_children):
+
+        """ Called by the __del_node_* mutators """
+
+        # Select a node to modify (but the root one)
+        (rand_elem_id, rand_elem) = self.__pick_element(exclude_root_node=True)
+
+        # If the document includes only a top-level element
+        # Then we can't pick a element (given that "exclude_root_node = True")
+
+        # Is the document deep enough?
+        if rand_elem is None:
+            if self.verbose:
+                print("Can't delete a node: document not deep enough!")
+            return
+
+        # Log something
+        if self.verbose:
+            but_or_and = "and" if delete_children else "but"
+            print(
+                "Deleting tag #%i '%s' %s its children"
+                % (rand_elem_id, rand_elem.tag, but_or_and)
+            )
+
+        if delete_children is False:
+            # Link children of the random (soon to be deleted) node to its parent
+            for child in rand_elem:
+                rand_elem.getparent().append(child)
+
+        # Remove the node
+        rand_elem.getparent().remove(rand_elem)
+
+    def __del_content(self):
+
+        """High-level minimizing mutator
+        Delete the attributes and children of a random node"""
+
+        # Select a node to modify
+        (rand_elem_id, rand_elem) = self.__pick_element()
+
+        # Log something
+        if self.verbose:
+            print("Reseting tag #%i '%s'" % (rand_elem_id, rand_elem.tag))
+
+        # Reset the node
+        rand_elem.clear()
+
+    def __del_attribute(self):
+
+        """High-level minimizing mutator
+        Delete a random attribute from a random node"""
+
+        # Select a node to modify
+        (rand_elem_id, rand_elem) = self.__pick_element()
+
+        # Get all the attributes
+        attribs = rand_elem.keys()
+
+        # Is there attributes?
+        if len(attribs) < 1:
+            if self.verbose:
+                print("No attribute: can't delete!")
+            return
+
+        # Pick a random attribute
+        rand_attrib_id = random.randint(0, len(attribs) - 1)
+        rand_attrib = attribs[rand_attrib_id]
+
+        # Log something
+        if self.verbose:
+            print(
+                "Deleting attribute #%i '%s' of tag #%i '%s'"
+                % (rand_attrib_id, rand_attrib, rand_elem_id, rand_elem.tag)
+            )
+
+        # Delete the attribute
+        rand_elem.attrib.pop(rand_attrib)
+
+    def mutate(self, min=1, max=5):
+
+        """ Execute some high-level mutators between $min and $max times, then some medium-level ones """
+
+        # High-level mutation
+        self.__exec_among(self, self.hl_mutators_all, min, max)

custom_mutators/examples/common.py

@@ -0,0 +1,40 @@
+#!/usr/bin/env python
+# encoding: utf-8
+"""
+Module containing functions shared between multiple AFL modules
+
+@author:     Christian Holler (:decoder)
+
+@license:
+
+This Source Code Form is subject to the terms of the Mozilla Public
+License, v. 2.0. If a copy of the MPL was not distributed with this
+file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+@contact:    choller@mozilla.com
+"""
+
+from __future__ import print_function
+import random
+import os
+import re
+
+
+def randel(l):
+    if not l:
+        return None
+    return l[random.randint(0, len(l) - 1)]
+
+
+def randel_pop(l):
+    if not l:
+        return None
+    return l.pop(random.randint(0, len(l) - 1))
+
+
+def write_exc_example(data, exc):
+    exc_name = re.sub(r"[^a-zA-Z0-9]", "_", repr(exc))
+
+    if not os.path.exists(exc_name):
+        with open(exc_name, "w") as f:
+            f.write(data)

custom_mutators/examples/custom_post_run.c

@@ -0,0 +1,53 @@
+//
+// This is an example on how to use afl_custom_post_run
+// It executes custom code each time after AFL++ executes the target
+//
+// cc -O3 -fPIC -shared -g -o custom_post_run.so -I../../include custom_post_run.c
+// cd ../..
+// afl-cc -o test-instr test-instr.c
+// AFL_CUSTOM_MUTATOR_LIBRARY=custom_mutators/examples/custom_post_run.so \
+//   afl-fuzz -i in -o out -- ./test-instr -f /tmp/foo
+//
+
+
+#include "afl-fuzz.h"
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+typedef struct my_mutator {
+
+  afl_state_t *afl;
+
+} my_mutator_t;
+
+my_mutator_t *afl_custom_init(afl_state_t *afl, unsigned int seed) {
+
+  my_mutator_t *data = calloc(1, sizeof(my_mutator_t));
+  if (!data) {
+
+    perror("afl_custom_init alloc");
+    return NULL;
+
+  }
+
+  data->afl = afl;
+
+  return data;
+
+}
+
+void afl_custom_post_run(my_mutator_t *data) {
+
+  printf("hello from afl_custom_post_run\n");
+  return;
+}
+
+
+void afl_custom_deinit(my_mutator_t *data) {
+
+  free(data);
+
+}

custom_mutators/examples/custom_send.c

@@ -0,0 +1,63 @@
+//
+// This is an example on how to use afl_custom_send
+// It writes each mutated data set to /tmp/foo
+// You can modify this to send to IPC, shared memory, etc.
+//
+// cc -O3 -fPIC -shared -g -o custom_send.so -I../../include custom_send.c
+// cd ../..
+// afl-cc -o test-instr test-instr.c
+// AFL_CUSTOM_MUTATOR_LIBRARY=custom_mutators/examples/custom_send.so \
+//   afl-fuzz -i in -o out -- ./test-instr -f /tmp/foo
+//
+
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#include "afl-fuzz.h"
+
+typedef struct my_mutator {
+
+  afl_state_t *afl;
+
+} my_mutator_t;
+
+my_mutator_t *afl_custom_init(afl_state_t *afl, unsigned int seed) {
+
+  my_mutator_t *data = calloc(1, sizeof(my_mutator_t));
+  if (!data) {
+
+    perror("afl_custom_init alloc");
+    return NULL;
+
+  }
+
+  data->afl = afl;
+
+  return data;
+
+}
+
+void afl_custom_fuzz_send(my_mutator_t *data, uint8_t *buf, size_t buf_size) {
+
+  int fd = open("/tmp/foo", O_CREAT | O_NOFOLLOW | O_TRUNC | O_RDWR, 0644);
+
+  if (fd >= 0) {
+
+    (void)write(fd, buf, buf_size);
+    close(fd);
+
+  }
+
+  return;
+
+}
+
+void afl_custom_deinit(my_mutator_t *data) {
+
+  free(data);
+
+}
+

custom_mutators/examples/elf_header_mutator.c

@@ -0,0 +1,679 @@
+/*
+   AFL++ Custom Mutator for ELF Headers
+   Written by @echel0n <melih.sahin@protonmail.com>
+   based on libgolf.h by @xcellerator
+   $ gcc -O3 -fPIC -shared -o elf_mutator.so -I ~/AFLplusplus/include/
+ */
+#include "afl-fuzz.h"
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <limits.h>
+#include <linux/elf.h>
+
+/* EI_ABIVERSION isn't used anymore and elf.h defines EI_PAD to be 0x09 */
+#define EI_ABIVERSION 0x08
+#define EI_PAD 0x09
+/* Define the Architecture and ISA constants to match those in <linux/elf.h> */
+#define X86_64 EM_X86_64
+#define ARM32 EM_ARM
+#define AARCH64 EM_AARCH64
+#define uchar unsigned char
+#define DATA_SIZE 0x100
+
+/*
+ * The ELF and Program headers are different sizes depending on 32- and 64-bit
+ * architectures
+ * taken from libgolf.h
+ */
+#define EHDR_T(x) Elf##x##_Ehdr
+#define PHDR_T(x) Elf##x##_Phdr
+#define EHDR(x) ehdr##x
+#define PHDR(x) phdr##x
+#define GET_EHDR(x) (&(elf_ptr->EHDR(x)));
+#define GET_PHDR(x) (&(elf_ptr->PHDR(x)));
+#define REF_EHDR(b, x) ((Elf##b##_Ehdr *)ehdr)->x
+#define REF_PHDR(b, x) ((Elf##b##_Phdr *)phdr)->x
+int ehdr_size;
+int phdr_size;
+/*
+ * This struct holds the bytes that will be executed, and the size.
+ */
+typedef struct text_segment {
+
+  size_t         text_size;
+  unsigned char *text_segment;
+
+} TextSegment;
+
+// example shellcode that exits
+// taken from libgolf.h
+unsigned char buf[] = {0xb0, 0x3c, 0x31, 0xff, 0x0f, 0x05};
+
+/*
+ * This is the raw ELF file
+ * - EHDR(xx) is the ELF header
+ * - PHDR(xx) is the program header
+ * - text is the text segment
+ * - filename is the name of the golf'd binary
+ * - isa is the target architecture (X86_64, ARM32, AARCH64)
+ * taken from libgolf.h
+ */
+typedef struct rawbinary_t {
+
+  EHDR_T(32) EHDR(32);
+  PHDR_T(32) PHDR(32);
+  EHDR_T(64) EHDR(64);
+  PHDR_T(64) PHDR(64);
+  TextSegment text;
+  char       *filename;
+  int         isa;
+
+} RawBinary;
+
+/*
+ * Copy an E_IDENT array into the corresponding fields in the ELF header
+ * Called by populate_ehdr()
+ * taken from libgolf.h
+ */
+int populate_e_ident(RawBinary *elf_ptr, unsigned char e_ident[]) {
+
+  int i;
+  /* Depending on whether the target ISA is 32- or 64-bit, set e_ident */
+  switch (elf_ptr->isa) {
+
+    case X86_64:
+    case AARCH64:
+      for (i = 0; i < EI_NIDENT; i++)
+        elf_ptr->EHDR(64).e_ident[i] = e_ident[i];
+      break;
+    case ARM32:
+      for (i = 0; i < EI_NIDENT; i++)
+        elf_ptr->EHDR(32).e_ident[i] = e_ident[i];
+      break;
+    default:
+      exit(1);
+
+  }
+
+  return 0;
+
+}
+
+/*
+ * Copy bytes from buf[] array into text_segment in ELF struct
+ * taken from libgolf.h
+ */
+int copy_text_segment(RawBinary *elf_ptr, unsigned char buf[], int text_size) {
+
+  int i;
+
+  /* Set size of text segment and allocate the buffer */
+  elf_ptr->text.text_size = text_size;
+  elf_ptr->text.text_segment =
+      malloc(elf_ptr->text.text_size * sizeof(unsigned char));
+
+  /* Copy the bytes into the text segment buffer */
+  for (i = 0; i < elf_ptr->text.text_size; i++) {
+
+    elf_ptr->text.text_segment[i] = buf[i];
+
+  }
+
+}
+
+/*
+ * Populate the ELF Header with sane values
+ * Returns a pointer to an EHDR struct
+ * taken from libgolf.h
+ */
+void *populate_ehdr(RawBinary *elf_ptr) {
+
+  /*
+   * Set ehdr_size and phdr_size. Determined by whether target ISA is 32- or
+   * 64-bit.
+   */
+  switch (elf_ptr->isa) {
+
+    case X86_64:
+    case AARCH64:
+      ehdr_size = sizeof(EHDR_T(64));
+      phdr_size = sizeof(PHDR_T(64));
+      break;
+    case ARM32:
+      ehdr_size = sizeof(EHDR_T(32));
+      phdr_size = sizeof(PHDR_T(32));
+      break;
+    default:
+      exit(1);
+
+  };
+
+  /* Start with the E_IDENT area at the top of the file */
+  unsigned char e_ident[EI_NIDENT] = {0};
+
+  /* Magic Bytes */
+  e_ident[EI_MAG0] = 0x7F;
+  e_ident[EI_MAG1] = 0x45;  // E
+  e_ident[EI_MAG2] = 0x4C;  // L
+  e_ident[EI_MAG3] = 0x46;  // F
+
+  /*
+   * EI_CLASS denotes the architecture:
+   * ELFCLASS32: 0x01
+   * ELFCLASS64: 0x02
+   */
+  switch (elf_ptr->isa) {
+
+    case X86_64:
+    case AARCH64:
+      e_ident[EI_CLASS] = ELFCLASS64;
+      break;
+    case ARM32:
+      e_ident[EI_CLASS] = ELFCLASS32;
+      break;
+    default:
+      exit(1);
+
+  }
+
+  /*
+   * EI_DATA denotes the endianness:
+   * ELFDATA2LSB:   0x01
+   * ELFDATA2MSB:   0x02
+   */
+  e_ident[EI_DATA] = ELFDATA2LSB;
+
+  /* EI_VERSION is always 0x01 */
+  e_ident[EI_VERSION] = EV_CURRENT;
+
+  /*
+   * EI_OSABI defines the target OS. Ignored by most modern ELF parsers.
+   */
+  e_ident[EI_OSABI] = ELFOSABI_NONE;
+
+  /* EI_ABIVERSION was for sub-classification. Un-defined since Linux 2.6 */
+  e_ident[EI_ABIVERSION] = 0x00;
+
+  /* EI_PAD is currently unused */
+  e_ident[EI_PAD] = 0x00;
+
+  /* Copy the E_IDENT section to the ELF struct */
+  populate_e_ident(elf_ptr, e_ident);
+
+  /*
+   * The remainder of the ELF header following E_IDENT follows.
+   *
+   * ehdr is a pointer to either an Elf32_Edhr, or Elf64_Ehdr struct.
+   */
+  void *ehdr = NULL;
+  switch (elf_ptr->isa) {
+
+    case X86_64:
+    case AARCH64:
+      ehdr = (&(elf_ptr->EHDR(64)));
+      break;
+    case ARM32:
+      ehdr = (&(elf_ptr->EHDR(32)));
+      break;
+    default:
+      exit(1);
+
+  }
+
+  /*
+   * Depending on whether the ISA is 32- or 64-bit determines the size of
+   * many of the fields in the ELF Header. This switch case deals with it.
+   */
+  switch (elf_ptr->isa) {
+
+    // 64-Bit ISAs
+    case X86_64:
+    case AARCH64:
+      /*
+       * e_type specifies what kind of ELF file this is:
+       * ET_NONE:         0x00    // Unknown Type
+       * ET_REL:          0x01    // Relocatable
+       * ET_EXEC:         0x02    // Executable File
+       * ET_DYN:          0x03    // Shared Object
+       * ET_CORE:         0x04    // Core Dump
+       */
+      REF_EHDR(64, e_type) = ET_EXEC;  // 0x0002
+
+      /* e_machine specifies the target ISA */
+      REF_EHDR(64, e_machine) = elf_ptr->isa;
+
+      /* e_version is always set of 0x01 for the original ELF spec */
+      REF_EHDR(64, e_version) = EV_CURRENT;  // 0x00000001
+
+      /*
+       * e_entry is the memory address of the entry point
+       * Set by set_entry_point() after p_vaddr is set in the phdr
+       */
+      REF_EHDR(64, e_entry) = 0x0;
+
+      /*
+       * e_phoff points to the start of the program header, which
+       * immediately follows the ELF header
+       */
+      REF_EHDR(64, e_phoff) = ehdr_size;
+
+      /* e_shoff points to the start of the section header table */
+      REF_EHDR(64, e_shoff) = 0x00;
+
+      /* e_flags is architecture dependent */
+      REF_EHDR(64, e_flags) = 0x0;
+
+      /* e_ehsize contains the size of the ELF header */
+      REF_EHDR(64, e_ehsize) = ehdr_size;
+
+      /* e_phentsize is the size of the program header */
+      REF_EHDR(64, e_phentsize) = phdr_size;
+
+      /*
+       * e_phnum contains the number of entries in the program header
+       * e_phnum * e_phentsize = size of program header table
+       */
+      REF_EHDR(64, e_phnum) = 0x1;
+
+      /* e_shentsize contains the size of a section header entry */
+      REF_EHDR(64, e_shentsize) = 0x0;
+
+      /*
+       * e_shnum contains the number of entries in the section header
+       * e_shnum * e_shentsize = size of section header table
+       */
+      REF_EHDR(64, e_shnum) = 0x0;
+
+      /*
+       * e_shstrndx contains the index of the section header table that
+       * contains the section names
+       */
+      REF_EHDR(64, e_shstrndx) = 0x0;
+
+      break;
+    // 32-Bit ISAs
+    case ARM32:
+      /*
+       * e_type specifies what kind of ELF file this is:
+       * ET_NONE:         0x00    // Unknown Type
+       * ET_REL:          0x01    // Relocatable
+       * ET_EXEC:         0x02    // Executable File
+       * ET_DYN:          0x03    // Shared Object
+       * ET_CORE:         0x04    // Core Dump
+       */
+      REF_EHDR(32, e_type) = ET_EXEC;  // 0x0002
+
+      /* e_machine specifies the target ISA */
+      REF_EHDR(32, e_machine) = elf_ptr->isa;
+
+      /* e_version is always set of 0x01 for the original ELF spec */
+      REF_EHDR(32, e_version) = EV_CURRENT;  // 0x00000001
+
+      /*
+       * e_entry is the memory address of the entry point
+       * Set by set_entry_point() after p_vaddr is set in the phdr
+       */
+      REF_EHDR(32, e_entry) = 0x0;
+
+      /*
+       * e_phoff points to the start of the program header, which
+       * immediately follows the ELF header
+       */
+      REF_EHDR(32, e_phoff) = ehdr_size;
+
+      /* e_shoff points to the start of the section header table */
+      REF_EHDR(32, e_shoff) = 0x0i;
+
+      /* e_flags is architecture dependent */
+      REF_EHDR(32, e_flags) = 0x0;
+
+      /* e_ehsize contains the size of the ELF header */
+      REF_EHDR(32, e_ehsize) = ehdr_size;
+
+      /* e_phentsize is the size of the program header */
+      REF_EHDR(32, e_phentsize) = phdr_size;
+
+      /*
+       * e_phnum contains the number of entries in the program header
+       * e_phnum * e_phentsize = size of program header table
+       */
+      REF_EHDR(32, e_phnum) = 0x1;
+
+      /* e_shentsize contains the size of a section header entry */
+      REF_EHDR(32, e_shentsize) = 0x0;
+
+      /*
+       * e_shnum contains the number of entries in the section header
+       * e_shnum * e_shentsize = size of section header table
+       */
+      REF_EHDR(32, e_shnum) = 0x0;
+
+      /*
+       * e_shstrndx contains the index of the section header table that
+       * contains the section names
+       */
+      REF_EHDR(32, e_shnum) = 0x0;
+
+      break;
+
+  }
+
+  return ehdr;
+
+}
+
+/*
+ * Populate the program headers with sane values
+ * Returns a pointer to a PHDR struct
+ * taken from libgolf.h
+ */
+void *populate_phdr(RawBinary *elf_ptr) {
+
+  /*
+   * All offsets are relative to the start of the program header (0x40)
+   *
+   * phdr is a pointer to either an Elf32_Phdr, or Elf64_Phdr struct.
+   */
+  void *phdr = NULL;
+  switch (elf_ptr->isa) {
+
+    case X86_64:
+    case AARCH64:
+      phdr = (&(elf_ptr->PHDR(64)));
+      break;
+    case ARM32:
+      phdr = (&(elf_ptr->PHDR(32)));
+      break;
+    default:
+      exit(1);
+
+  }
+
+  /*
+   * Depending on whether the ISA is 32- or 64-bit determines the size of
+   * many of the fields in the Progra Header. This switch case deals with it.
+   */
+  switch (elf_ptr->isa) {
+
+    // 64-Bit ISAs
+    case X86_64:
+    case AARCH64:
+      /*
+       * p_type identifies what type of segment this is
+       * PT_NULL:         0x0     // Unused
+       * PT_LOAD:         0x1     // Loadable Segment
+       * PT_DYNAMIC:      0x2     // Dynamic Linker Information
+       * PT_INTERP:       0x3     // Interpreter Information
+       * PT_NOTE:         0x4     // Auxiliary Information
+       * PT_SHLIB:        0x5     // Reserved
+       * PT_PHDR:         0x6     // Segment with Program Header
+       * PT_TLS:          0x7     // Thread Local Storage
+       */
+      REF_PHDR(64, p_type) = PT_LOAD;  // 0x1
+
+      /*
+       * p_flags defines permissions for this section
+       * PF_R:    0x4     // Read
+       * PF_W:    0x2     // Write
+       * PF_X:    0x1     // Execute
+       */
+      REF_PHDR(64, p_flags) = PF_R | PF_X;  // 0x5
+
+      /*
+       * p_offset is the offset in the file image (relative to the start
+       * of the program header) for this segment.
+       */
+      REF_PHDR(64, p_offset) = 0x0;
+
+      /*
+       * p_vaddr is the virtual address where this segment should be loaded
+       * p_paddr is for the physical address (unused by System V)
+       */
+      REF_PHDR(64, p_vaddr) = 0x400000;
+      REF_PHDR(64, p_paddr) = 0x400000;
+
+      /*
+       * p_filesz is the size of the segment in the file image
+       * p_memsz is the size of the segment in memory
+       *
+       * Note: p_filesz doesn't have to equal p_memsz
+       */
+      REF_PHDR(64, p_filesz) = elf_ptr->text.text_size;
+      REF_PHDR(64, p_memsz) = elf_ptr->text.text_size;
+
+      break;
+    // 32-Bit ISAs
+    case ARM32:
+      /*
+       * p_type identifies what type of segment this is
+       * PT_NULL:         0x0     // Unused
+       * PT_LOAD:         0x1     // Loadable Segment
+       * PT_DYNAMIC:      0x2     // Dynamic Linker Information
+       * PT_INTERP:       0x3     // Interpreter Information
+       * PT_NOTE:         0x4     // Auxiliary Information
+       * PT_SHLIB:        0x5     // Reserved
+       * PT_PHDR:         0x6     // Segment with Program Header
+       * PT_TLS:          0x7     // Thread Local Storage
+       */
+      REF_PHDR(32, p_type) = PT_LOAD;  // 0x1
+
+      /*
+       * p_flags defines permissions for this section
+       * PF_R:    0x4     // Read
+       * PF_W:    0x2     // Write
+       * PF_X:    0x1     // Execute
+       */
+      REF_PHDR(32, p_flags) = PF_R | PF_X;  // 0x5
+
+      /*
+       * p_offset is the offset in the file image (relative to the start
+       * of the program header) for this segment.
+       */
+      REF_PHDR(32, p_offset) = 0x0;
+
+      /*
+       * p_vaddr is the virtual address where this segment should be loaded
+       * p_paddr is for the physical address (unused by System V)
+       */
+      REF_PHDR(32, p_vaddr) = 0x10000;
+      REF_PHDR(32, p_paddr) = 0x10000;
+
+      /*
+       * p_filesz is the size of the segment in the file image
+       * p_memsz is the size of the segment in memory
+       *
+       * Note: p_filesz doesn't have to equal p_memsz
+       */
+      REF_PHDR(32, p_filesz) = elf_ptr->text.text_size;
+      REF_PHDR(32, p_memsz) = elf_ptr->text.text_size;
+
+      break;
+    default:
+      exit(1);
+
+  }
+
+  /*
+   * p_align is the memory alignment
+   *
+   * Note: p_vaddr = p_offset % p_align
+   */
+  switch (elf_ptr->isa) {
+
+    case X86_64:
+      REF_PHDR(64, p_align) = 0x400000;
+      break;
+    case ARM32:
+      REF_PHDR(32, p_align) = 0x10000;
+      break;
+    case AARCH64:
+      REF_PHDR(64, p_align) = 0x400000;
+      break;
+
+  }
+
+  return phdr;
+
+}
+
+/*
+ * e_entry depends on p_vaddr, so has to be set after populate_ehdr()
+ * and populate_phdr() have been called.
+ * taken from libgolf.h
+ */
+int set_entry_point(RawBinary *elf_ptr) {
+
+  /*
+   * Once the whole ELF file is copied into memory, control is handed to
+   * e_entry. Relative to the process's virtual memory address, the .text
+   * segment will be located immediately after the ELF and program header.
+   *
+   * ehdr and phdr are pointers to the ELF and Program headers respectively.
+   * The switch case casts and assigns them to the correct fields of the ELF
+   * struct, then sets ehdr->e_entry.
+   */
+  void *ehdr, *phdr;
+
+  switch (elf_ptr->isa) {
+
+    case X86_64:
+    case AARCH64:
+      ehdr = GET_EHDR(64);
+      phdr = GET_PHDR(64);
+      REF_EHDR(64, e_entry) = REF_PHDR(64, p_vaddr) + ehdr_size + phdr_size;
+      break;
+    case ARM32:
+      ehdr = GET_EHDR(32);
+      phdr = GET_PHDR(32);
+      REF_EHDR(32, e_entry) = REF_PHDR(32, p_vaddr) + ehdr_size + phdr_size;
+      break;
+    default:
+      exit(1);
+
+  }
+
+  return 0;
+
+}
+
+typedef struct my_mutator {
+
+  afl_state_t *afl;
+  size_t       trim_size_current;
+  int          trimmming_steps;
+  int          cur_step;
+  u8          *mutated_out, *post_process_buf, *trim_buf;
+
+} my_mutator_t;
+
+my_mutator_t *afl_custom_init(afl_state_t *afl, unsigned int seed) {
+
+  srand(seed);  // needed also by surgical_havoc_mutate()
+  my_mutator_t *data = calloc(1, sizeof(my_mutator_t));
+  if (!data) {
+
+    perror("afl_custom_init alloc");
+    return NULL;
+
+  }
+
+  if ((data->mutated_out = (u8 *)malloc(MAX_FILE)) == NULL) {
+
+    perror("afl_custom_init malloc");
+    return NULL;
+
+  }
+
+  if ((data->post_process_buf = (u8 *)malloc(MAX_FILE)) == NULL) {
+
+    perror("afl_custom_init malloc");
+    return NULL;
+
+  }
+
+  if ((data->trim_buf = (u8 *)malloc(MAX_FILE)) == NULL) {
+
+    perror("afl_custom_init malloc");
+    return NULL;
+
+  }
+
+  data->afl = afl;
+  return data;
+
+}
+
+size_t afl_custom_fuzz(my_mutator_t *data, uint8_t *in_buf, size_t buf_size,
+                       u8 **out_buf, uint8_t *add_buf,
+                       size_t add_buf_size,  // add_buf can be NULL
+                       size_t max_size) {
+
+  RawBinary  elf_obj;
+  RawBinary *elf = &elf_obj;
+  elf->isa = 62;
+  Elf64_Ehdr *ehdr;
+  Elf64_Phdr *phdr;
+  copy_text_segment(elf, buf, sizeof(buf));
+  ehdr = populate_ehdr(elf);
+  phdr = populate_phdr(elf);
+  set_entry_point(elf);
+
+  size_t mutated_size = ehdr_size + phdr_size + elf->text.text_size;
+  int    pos = 0;
+  // example fields
+  ehdr->e_ident[EI_CLASS] = (uint8_t *)(in_buf + pos++);
+  ehdr->e_ident[EI_DATA] = (uint8_t *)(in_buf + pos++);
+  ehdr->e_ident[EI_VERSION] = (uint8_t *)(in_buf + pos++);
+  ehdr->e_ident[EI_OSABI] = (uint8_t *)(in_buf + pos++);
+  for (int i = 0x8; i < 0x10; ++i) {
+
+    (ehdr->e_ident)[i] = (uint8_t *)(in_buf + pos++);
+
+  }
+
+  ehdr->e_version = (uint32_t *)(in_buf + pos);
+  pos += 4;
+  // sections headers
+  ehdr->e_shoff = (uint64_t *)(in_buf + pos);
+  pos += 8;
+  ehdr->e_shentsize = (uint16_t *)(in_buf + pos);
+  pos += 2;
+  ehdr->e_shnum = (uint16_t *)(in_buf + pos);
+  pos += 2;
+  ehdr->e_shstrndx = (uint16_t *)(in_buf + pos);
+  pos += 2;
+  ehdr->e_flags = (uint32_t *)(in_buf + pos);
+  pos += 4;
+  // physical addr
+  phdr->p_paddr = (uint64_t *)(in_buf + pos);
+  pos += 8;
+  phdr->p_align = (uint64_t *)(in_buf + pos);
+  pos += 8;
+
+  /* mimic GEN_ELF()
+   * Write:
+   * - ELF Header
+   * - Program Header
+   * - Text Segment
+   */
+  memcpy(data->mutated_out, ehdr, ehdr_size);
+  memcpy(data->mutated_out + ehdr_size, phdr, phdr_size);
+  memcpy(data->mutated_out + ehdr_size + phdr_size, elf->text.text_segment,
+         elf->text.text_size);
+
+  *out_buf = data->mutated_out;
+  return mutated_size;
+
+}
+
+void afl_custom_deinit(my_mutator_t *data) {
+
+  free(data->post_process_buf);
+  free(data->mutated_out);
+  free(data->trim_buf);
+  free(data);
+
+}
+

custom_mutators/examples/example.c

@@ -0,0 +1,347 @@
+/*
+  New Custom Mutator for AFL++
+  Written by Khaled Yakdan <yakdan@code-intelligence.de>
+             Andrea Fioraldi <andreafioraldi@gmail.com>
+             Shengtuo Hu <h1994st@gmail.com>
+             Dominik Maier <mail@dmnk.co>
+*/
+
+// You need to use -I/path/to/AFLplusplus/include -I.
+#include "afl-fuzz.h"
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+#define DATA_SIZE (100)
+
+static const char *commands[] = {
+
+    "GET",
+    "PUT",
+    "DEL",
+
+};
+
+typedef struct my_mutator {
+
+  afl_state_t *afl;
+
+  // any additional data here!
+  size_t trim_size_current;
+  int    trimmming_steps;
+  int    cur_step;
+
+  u8 *mutated_out, *post_process_buf, *trim_buf;
+
+} my_mutator_t;
+
+/**
+ * Initialize this custom mutator
+ *
+ * @param[in] afl a pointer to the internal state object. Can be ignored for
+ * now.
+ * @param[in] seed A seed for this mutator - the same seed should always mutate
+ * in the same way.
+ * @return Pointer to the data object this custom mutator instance should use.
+ *         There may be multiple instances of this mutator in one afl-fuzz run!
+ *         Return NULL on error.
+ */
+my_mutator_t *afl_custom_init(afl_state_t *afl, unsigned int seed) {
+
+  srand(seed);  // needed also by surgical_havoc_mutate()
+
+  my_mutator_t *data = calloc(1, sizeof(my_mutator_t));
+  if (!data) {
+
+    perror("afl_custom_init alloc");
+    return NULL;
+
+  }
+
+  if ((data->mutated_out = (u8 *)malloc(MAX_FILE)) == NULL) {
+
+    perror("afl_custom_init malloc");
+    return NULL;
+
+  }
+
+  if ((data->post_process_buf = (u8 *)malloc(MAX_FILE)) == NULL) {
+
+    perror("afl_custom_init malloc");
+    return NULL;
+
+  }
+
+  if ((data->trim_buf = (u8 *)malloc(MAX_FILE)) == NULL) {
+
+    perror("afl_custom_init malloc");
+    return NULL;
+
+  }
+
+  data->afl = afl;
+
+  return data;
+
+}
+
+/**
+ * Perform custom mutations on a given input
+ *
+ * (Optional for now. Required in the future)
+ *
+ * @param[in] data pointer returned in afl_custom_init for this fuzz case
+ * @param[in] buf Pointer to input data to be mutated
+ * @param[in] buf_size Size of input data
+ * @param[out] out_buf the buffer we will work on. we can reuse *buf. NULL on
+ * error.
+ * @param[in] add_buf Buffer containing the additional test case
+ * @param[in] add_buf_size Size of the additional test case
+ * @param[in] max_size Maximum size of the mutated output. The mutation must not
+ *     produce data larger than max_size.
+ * @return Size of the mutated output.
+ */
+size_t afl_custom_fuzz(my_mutator_t *data, uint8_t *buf, size_t buf_size,
+                       u8 **out_buf, uint8_t *add_buf,
+                       size_t add_buf_size,  // add_buf can be NULL
+                       size_t max_size) {
+
+  // Make sure that the packet size does not exceed the maximum size expected by
+  // the fuzzer
+  size_t mutated_size = DATA_SIZE <= max_size ? DATA_SIZE : max_size;
+
+  memcpy(data->mutated_out, buf, buf_size);
+
+  // Randomly select a command string to add as a header to the packet
+  memcpy(data->mutated_out, commands[rand() % 3], 3);
+
+  if (mutated_size > max_size) { mutated_size = max_size; }
+
+  *out_buf = data->mutated_out;
+  return mutated_size;
+
+}
+
+/**
+ * A post-processing function to use right before AFL writes the test case to
+ * disk in order to execute the target.
+ *
+ * (Optional) If this functionality is not needed, simply don't define this
+ * function.
+ *
+ * @param[in] data pointer returned in afl_custom_init for this fuzz case
+ * @param[in] buf Buffer containing the test case to be executed
+ * @param[in] buf_size Size of the test case
+ * @param[out] out_buf Pointer to the buffer containing the test case after
+ *     processing. External library should allocate memory for out_buf.
+ *     The buf pointer may be reused (up to the given buf_size);
+ * @return Size of the output buffer after processing or the needed amount.
+ *     A return of 0 indicates an error.
+ */
+size_t afl_custom_post_process(my_mutator_t *data, uint8_t *buf,
+                               size_t buf_size, uint8_t **out_buf) {
+
+  if (buf_size + 5 > MAX_FILE) { buf_size = MAX_FILE - 5; }
+
+  memcpy(data->post_process_buf + 5, buf, buf_size);
+  data->post_process_buf[0] = 'A';
+  data->post_process_buf[1] = 'F';
+  data->post_process_buf[2] = 'L';
+  data->post_process_buf[3] = '+';
+  data->post_process_buf[4] = '+';
+
+  *out_buf = data->post_process_buf;
+
+  return buf_size + 5;
+
+}
+
+/**
+ * This method is called at the start of each trimming operation and receives
+ * the initial buffer. It should return the amount of iteration steps possible
+ * on this input (e.g. if your input has n elements and you want to remove
+ * them one by one, return n, if you do a binary search, return log(n),
+ * and so on...).
+ *
+ * If your trimming algorithm doesn't allow you to determine the amount of
+ * (remaining) steps easily (esp. while running), then you can alternatively
+ * return 1 here and always return 0 in post_trim until you are finished and
+ * no steps remain. In that case, returning 1 in post_trim will end the
+ * trimming routine. The whole current index/max iterations stuff is only used
+ * to show progress.
+ *
+ * (Optional)
+ *
+ * @param data pointer returned in afl_custom_init for this fuzz case
+ * @param buf Buffer containing the test case
+ * @param buf_size Size of the test case
+ * @return The amount of possible iteration steps to trim the input.
+ *        negative on error.
+ */
+int32_t afl_custom_init_trim(my_mutator_t *data, uint8_t *buf,
+                             size_t buf_size) {
+
+  // We simply trim once
+  data->trimmming_steps = 1;
+
+  data->cur_step = 0;
+
+  memcpy(data->trim_buf, buf, buf_size);
+
+  data->trim_size_current = buf_size;
+
+  return data->trimmming_steps;
+
+}
+
+/**
+ * This method is called for each trimming operation. It doesn't have any
+ * arguments because we already have the initial buffer from init_trim and we
+ * can memorize the current state in *data. This can also save
+ * reparsing steps for each iteration. It should return the trimmed input
+ * buffer, where the returned data must not exceed the initial input data in
+ * length. Returning anything that is larger than the original data (passed
+ * to init_trim) will result in a fatal abort of AFLFuzz.
+ *
+ * (Optional)
+ *
+ * @param[in] data pointer returned in afl_custom_init for this fuzz case
+ * @param[out] out_buf Pointer to the buffer containing the trimmed test case.
+ *     External library should allocate memory for out_buf.
+ *     AFL++ will not release the memory after saving the test case.
+ *     Keep a ref in *data.
+ *     *out_buf = NULL is treated as error.
+ * @return Pointer to the size of the trimmed test case
+ */
+size_t afl_custom_trim(my_mutator_t *data, uint8_t **out_buf) {
+
+  *out_buf = data->trim_buf;
+
+  // Remove the last byte of the trimming input
+  return data->trim_size_current - 1;
+
+}
+
+/**
+ * This method is called after each trim operation to inform you if your
+ * trimming step was successful or not (in terms of coverage). If you receive
+ * a failure here, you should reset your input to the last known good state.
+ *
+ * (Optional)
+ *
+ * @param[in] data pointer returned in afl_custom_init for this fuzz case
+ * @param success Indicates if the last trim operation was successful.
+ * @return The next trim iteration index (from 0 to the maximum amount of
+ *     steps returned in init_trim). negative ret on failure.
+ */
+int32_t afl_custom_post_trim(my_mutator_t *data, int success) {
+
+  if (success) {
+
+    ++data->cur_step;
+    return data->cur_step;
+
+  }
+
+  return data->trimmming_steps;
+
+}
+
+/**
+ * Perform a single custom mutation on a given input.
+ * This mutation is stacked with the other muatations in havoc.
+ *
+ * (Optional)
+ *
+ * @param[in] data pointer returned in afl_custom_init for this fuzz case
+ * @param[in] buf Pointer to the input data to be mutated and the mutated
+ *     output
+ * @param[in] buf_size Size of input data
+ * @param[out] out_buf The output buffer. buf can be reused, if the content
+ * fits. *out_buf = NULL is treated as error.
+ * @param[in] max_size Maximum size of the mutated output. The mutation must
+ *     not produce data larger than max_size.
+ * @return Size of the mutated output.
+ */
+size_t afl_custom_havoc_mutation(my_mutator_t *data, u8 *buf, size_t buf_size,
+                                 u8 **out_buf, size_t max_size) {
+
+  *out_buf = buf;  // in-place mutation
+
+  if (buf_size <= sizeof(size_t)) { return buf_size; }
+
+  size_t victim = rand() % (buf_size - sizeof(size_t));
+  (*out_buf)[victim] += rand() % 10;
+
+  return buf_size;
+
+}
+
+/**
+ * Return the probability (in percentage) that afl_custom_havoc_mutation
+ * is called in havoc. By default it is 6 %.
+ *
+ * (Optional)
+ *
+ * @param[in] data pointer returned in afl_custom_init for this fuzz case
+ * @return The probability (0-100).
+ */
+uint8_t afl_custom_havoc_mutation_probability(my_mutator_t *data) {
+
+  return 5;  // 5 %
+
+}
+
+/**
+ * Determine whether the fuzzer should fuzz the queue entry or not.
+ *
+ * (Optional)
+ *
+ * @param[in] data pointer returned in afl_custom_init for this fuzz case
+ * @param filename File name of the test case in the queue entry
+ * @return Return True(1) if the fuzzer will fuzz the queue entry, and
+ *     False(0) otherwise.
+ */
+uint8_t afl_custom_queue_get(my_mutator_t *data, const uint8_t *filename) {
+
+  return 1;
+
+}
+
+/**
+ * Allow for additional analysis (e.g. calling a different tool that does a
+ * different kind of coverage and saves this for the custom mutator).
+ *
+ * (Optional)
+ *
+ * @param data pointer returned in afl_custom_init for this fuzz case
+ * @param filename_new_queue File name of the new queue entry
+ * @param filename_orig_queue File name of the original queue entry
+ * @return if the file contents was modified return 1 (True), 0 (False)
+ *         otherwise
+ */
+uint8_t afl_custom_queue_new_entry(my_mutator_t  *data,
+                                   const uint8_t *filename_new_queue,
+                                   const uint8_t *filename_orig_queue) {
+
+  /* Additional analysis on the original or new test case */
+  return 0;
+
+}
+
+/**
+ * Deinitialize everything
+ *
+ * @param data The data ptr from afl_custom_init
+ */
+void afl_custom_deinit(my_mutator_t *data) {
+
+  free(data->post_process_buf);
+  free(data->mutated_out);
+  free(data->trim_buf);
+  free(data);
+
+}
+

custom_mutators/examples/example.py

@@ -0,0 +1,192 @@
+#!/usr/bin/env python
+# encoding: utf-8
+"""
+Example Python Module for AFLFuzz
+
+@author:     Christian Holler (:decoder)
+
+@license:
+
+This Source Code Form is subject to the terms of the Mozilla Public
+License, v. 2.0. If a copy of the MPL was not distributed with this
+file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+@contact:    choller@mozilla.com
+"""
+
+import random
+
+
+COMMANDS = [
+    b"GET",
+    b"PUT",
+    b"DEL",
+    b"AAAAAAAAAAAAAAAAA",
+]
+
+
+def init(seed):
+    """
+    Called once when AFLFuzz starts up. Used to seed our RNG.
+
+    @type seed: int
+    @param seed: A 32-bit random value
+    """
+    random.seed(seed)
+
+
+def deinit():
+    pass
+
+
+def fuzz(buf, add_buf, max_size):
+    """
+    Called per fuzzing iteration.
+
+    @type buf: bytearray
+    @param buf: The buffer that should be mutated.
+
+    @type add_buf: bytearray
+    @param add_buf: A second buffer that can be used as mutation source.
+
+    @type max_size: int
+    @param max_size: Maximum size of the mutated output. The mutation must not
+        produce data larger than max_size.
+
+    @rtype: bytearray
+    @return: A new bytearray containing the mutated data
+    """
+    ret = bytearray(100)
+
+    ret[:3] = random.choice(COMMANDS)
+
+    return ret
+
+
+# Uncomment and implement the following methods if you want to use a custom
+# trimming algorithm. See also the documentation for a better API description.
+
+# def init_trim(buf):
+#     '''
+#     Called per trimming iteration.
+#
+#     @type buf: bytearray
+#     @param buf: The buffer that should be trimmed.
+#
+#     @rtype: int
+#     @return: The maximum number of trimming steps.
+#     '''
+#     global ...
+#
+#     # Initialize global variables
+#
+#     # Figure out how many trimming steps are possible.
+#     # If this is not possible for your trimming, you can
+#     # return 1 instead and always return 0 in post_trim
+#     # until you are done (then you return 1).
+#
+#     return steps
+#
+# def trim():
+#     '''
+#     Called per trimming iteration.
+#
+#     @rtype: bytearray
+#     @return: A new bytearray containing the trimmed data.
+#     '''
+#     global ...
+#
+#     # Implement the actual trimming here
+#
+#     return bytearray(...)
+#
+# def post_trim(success):
+#     '''
+#     Called after each trimming operation.
+#
+#     @type success: bool
+#     @param success: Indicates if the last trim operation was successful.
+#
+#     @rtype: int
+#     @return: The next trim index (0 to max number of steps) where max
+#              number of steps indicates the trimming is done.
+#     '''
+#     global ...
+#
+#     if not success:
+#         # Restore last known successful input, determine next index
+#     else:
+#         # Just determine the next index, based on what was successfully
+#         # removed in the last step
+#
+#     return next_index
+#
+# def post_process(buf):
+#     '''
+#     Called just before the execution to write the test case in the format
+#     expected by the target
+#
+#     @type buf: bytearray
+#     @param buf: The buffer containing the test case to be executed
+#
+#     @rtype: bytearray
+#     @return: The buffer containing the test case after
+#     '''
+#     return buf
+# def post_run():
+#     '''
+#     Called after each time the execution of the target program by AFL++
+#     '''
+#     pass
+#
+# def havoc_mutation(buf, max_size):
+#     '''
+#     Perform a single custom mutation on a given input.
+#
+#     @type buf: bytearray
+#     @param buf: The buffer that should be mutated.
+#
+#     @type max_size: int
+#     @param max_size: Maximum size of the mutated output. The mutation must not
+#         produce data larger than max_size.
+#
+#     @rtype: bytearray
+#     @return: A new bytearray containing the mutated data
+#     '''
+#     return mutated_buf
+#
+# def havoc_mutation_probability():
+#     '''
+#     Called for each `havoc_mutation`. Return the probability (in percentage)
+#     that `havoc_mutation` is called in havoc. Be default it is 6%.
+#
+#     @rtype: int
+#     @return: The probability (0-100)
+#     '''
+#     return prob
+#
+# def queue_get(filename):
+#     '''
+#     Called at the beginning of each fuzz iteration to determine whether the
+#     test case should be fuzzed
+#
+#     @type filename: str
+#     @param filename: File name of the test case in the current queue entry
+#
+#     @rtype: bool
+#     @return: Return True if the custom mutator decides to fuzz the test case,
+#         and False otherwise
+#     '''
+#     return True
+#
+# def queue_new_entry(filename_new_queue, filename_orig_queue):
+#     '''
+#     Called after adding a new test case to the queue
+#
+#     @type filename_new_queue: str
+#     @param filename_new_queue: File name of the new queue entry
+#
+#     @type filename_orig_queue: str
+#     @param filename_orig_queue: File name of the original queue entry
+#     '''
+#     pass

custom_mutators/examples/post_library_gif.so.c

@@ -1,8 +1,9 @@
 /*
-   american fuzzy lop - postprocessor library example
+   american fuzzy lop++ - postprocessor library example
    --------------------------------------------------
 
-   Written and maintained by Michal Zalewski <lcamtuf@google.com>
+   Originally written by Michal Zalewski
+   Edited by Dominik Maier, 2020
 
    Copyright 2015 Google Inc. All rights reserved.
 
@@ -21,9 +22,9 @@
       in the targeted binary (as shown in ../libpng_no_checksum/). One possible
       exception is the process of fuzzing binary-only software in QEMU mode.
 
-   2) The use of postprocessors for anything other than checksums is questionable
-      and may cause more harm than good. AFL is normally pretty good about
-      dealing with length fields, magic values, etc.
+   2) The use of postprocessors for anything other than checksums is
+   questionable and may cause more harm than good. AFL is normally pretty good
+   about dealing with length fields, magic values, etc.
 
    3) Postprocessors that do anything non-trivial must be extremely robust to
       gracefully handle malformed data and other error conditions - otherwise,
@@ -38,27 +39,26 @@
 
      gcc -shared -Wall -O3 post_library.so.c -o post_library.so
 
-   AFL will call the afl_postprocess() function for every mutated output buffer.
-   From there, you have three choices:
+   AFL will call the afl_custom_post_process() function for every mutated output
+   buffer. From there, you have three choices:
 
-   1) If you don't want to modify the test case, simply return the original
-      buffer pointer ('in_buf').
+   1) If you don't want to modify the test case, simply set `*out_buf = in_buf`
+      and return the original `len`.
 
    2) If you want to skip this test case altogether and have AFL generate a
-      new one, return NULL. Use this sparingly - it's faster than running
-      the target program with patently useless inputs, but still wastes CPU
-      time.
+      new one, return 0.
+      Use this sparingly - it's faster than running the target program
+      with patently useless inputs, but still wastes CPU time.
 
    3) If you want to modify the test case, allocate an appropriately-sized
       buffer, move the data into that buffer, make the necessary changes, and
-      then return the new pointer. You can update *len if necessary, too.
+      then return the new pointer as out_buf. Return an appropriate len
+      afterwards.
 
       Note that the buffer will *not* be freed for you. To avoid memory leaks,
       you need to free it or reuse it on subsequent calls (as shown below).
 
-      *** DO NOT MODIFY THE ORIGINAL 'in_buf' BUFFER. ***
-
-    Aight. The example below shows a simple postprocessor that tries to make
+    Alright. The example below shows a simple postprocessor that tries to make
     sure that all input files start with "GIF89a".
 
     PS. If you don't like C, you can try out the unix-based wrapper from
@@ -69,51 +69,64 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include "afl-fuzz.h"
 
 /* Header that must be present at the beginning of every test case: */
 
 #define HEADER "GIF89a"
 
+typedef struct post_state {
+
+  size_t size;
+
+} post_state_t;
+
+void *afl_custom_init(void *afl) {
+
+  post_state_t *state = malloc(sizeof(post_state_t));
+  if (!state) {
+
+    perror("malloc");
+    return NULL;
+
+  }
+
+  return state;
+
+}
+
 /* The actual postprocessor routine called by afl-fuzz: */
 
-const unsigned char* afl_postprocess(const unsigned char* in_buf,
-                                     unsigned int* len) {
+size_t afl_custom_post_process(post_state_t *data, unsigned char *in_buf,
+                               unsigned int len, unsigned char **out_buf) {
 
-  static unsigned char* saved_buf;
-  unsigned char* new_buf;
+  /* we do in-place modification as we do not increase the size */
+
+  *out_buf = in_buf;
 
   /* Skip execution altogether for buffers shorter than 6 bytes (just to
-     show how it's done). We can trust *len to be sane. */
+     show how it's done). We can trust len to be sane. */
 
-  if (*len < strlen(HEADER)) return NULL;
+  if (len < strlen(HEADER)) return 0;
 
   /* Do nothing for buffers that already start with the expected header. */
 
-  if (!memcmp(in_buf, HEADER, strlen(HEADER))) return in_buf;
-
-  /* Allocate memory for new buffer, reusing previous allocation if
-     possible. */
-
-  new_buf = realloc(saved_buf, *len);
-
-  /* If we're out of memory, the most graceful thing to do is to return the
-     original buffer and give up on modifying it. Let AFL handle OOM on its
-     own later on. */
-
-  if (!new_buf) return in_buf;
-  saved_buf = new_buf;
-
-  /* Copy the original data to the new location. */
-
-  memcpy(new_buf, in_buf, *len);
+  if (!memcmp(in_buf, HEADER, strlen(HEADER))) { return len; }
 
   /* Insert the new header. */
 
-  memcpy(new_buf, HEADER, strlen(HEADER));
+  memcpy(*out_buf, HEADER, strlen(HEADER));
 
-  /* Return modified buffer. No need to update *len in this particular case,
-     as we're not changing it. */
+  /* Return the new len. It hasn't changed, so it's just len. */
 
-  return new_buf;
+  return len;
 
 }
+
+/* Gets called afterwards */
+void afl_custom_deinit(post_state_t *data) {
+
+  free(data);
+
+}
+

custom_mutators/examples/post_library_png.so.c

@@ -1,10 +1,11 @@
 /*
-   american fuzzy lop - postprocessor for PNG
+   american fuzzy lop++ - postprocessor for PNG
    ------------------------------------------
 
-   Written and maintained by Michal Zalewski <lcamtuf@google.com>
+   Originally written by Michal Zalewski
 
    Copyright 2015 Google Inc. All rights reserved.
+   Adapted to the new API, 2020 by Dominik Maier
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
@@ -28,41 +29,73 @@
 #include <stdint.h>
 #include <string.h>
 #include <zlib.h>
-
 #include <arpa/inet.h>
+#include "afl-fuzz.h"
 
 /* A macro to round an integer up to 4 kB. */
 
 #define UP4K(_i) ((((_i) >> 12) + 1) << 12)
 
-const unsigned char* afl_postprocess(const unsigned char* in_buf,
-                                     unsigned int* len) {
+typedef struct post_state {
 
-  static unsigned char* saved_buf;
-  static unsigned int   saved_len;
+  unsigned char *buf;
+  size_t         size;
 
-  unsigned char* new_buf = (unsigned char*)in_buf;
-  unsigned int pos = 8;
+} post_state_t;
+
+void *afl_custom_init(void *afl) {
+
+  post_state_t *state = malloc(sizeof(post_state_t));
+  if (!state) {
+
+    perror("malloc");
+    return NULL;
+
+  }
+
+  state->buf = calloc(sizeof(unsigned char), MAX_FILE);
+  if (!state->buf) {
+
+    free(state);
+    perror("calloc");
+    return NULL;
+
+  }
+
+  return state;
+
+}
+
+size_t afl_custom_post_process(post_state_t *data, const unsigned char *in_buf,
+                               unsigned int          len,
+                               const unsigned char **out_buf) {
 
   /* Don't do anything if there's not enough room for the PNG header
      (8 bytes). */
 
-  if (*len < 8) return in_buf;
+  if (len < 8) {
+
+    *out_buf = in_buf;
+    return len;
+
+  }
+
+  unsigned int pos = 8;
 
   /* Minimum size of a zero-length PNG chunk is 12 bytes; if we
      don't have that, we can bail out. */
 
-  while (pos + 12 <= *len) {
+  while (pos + 12 <= len) {
 
     unsigned int chunk_len, real_cksum, file_cksum;
 
     /* Chunk length is the first big-endian dword in the chunk. */
 
-    chunk_len = ntohl(*(uint32_t*)(in_buf + pos));
+    chunk_len = ntohl(*(uint32_t *)(in_buf + pos));
 
     /* Bail out if chunk size is too big or goes past EOF. */
 
-    if (chunk_len > 1024 * 1024 || pos + 12 + chunk_len > *len) break;
+    if (chunk_len > 1024 * 1024 || pos + 12 + chunk_len > len) break;
 
     /* Chunk checksum is calculated for chunk ID (dword) and the actual
        payload. */
@@ -71,34 +104,13 @@ const unsigned char* afl_postprocess(const unsigned char* in_buf,
 
     /* The in-file checksum is the last dword past the chunk data. */
 
-    file_cksum = *(uint32_t*)(in_buf + pos + 8 + chunk_len);
+    file_cksum = *(uint32_t *)(in_buf + pos + 8 + chunk_len);
 
     /* If the checksums do not match, we need to fix the file. */
 
     if (real_cksum != file_cksum) {
 
-      /* First modification? Make a copy of the input buffer. Round size
-         up to 4 kB to minimize the number of reallocs needed. */
-
-      if (new_buf == in_buf) {
-
-        if (*len <= saved_len) {
-
-          new_buf = saved_buf;
-
-        } else {
-
-          new_buf = realloc(saved_buf, UP4K(*len));
-          if (!new_buf) return in_buf;
-          saved_buf = new_buf;
-          saved_len = UP4K(*len);
-          memcpy(new_buf, in_buf, *len);
-
-        }
-
-      }
-
-      *(uint32_t*)(new_buf + pos + 8 + chunk_len) = real_cksum;
+      *(uint32_t *)(data->buf + pos + 8 + chunk_len) = real_cksum;
 
     }
 
@@ -108,6 +120,16 @@ const unsigned char* afl_postprocess(const unsigned char* in_buf,
 
   }
 
-  return new_buf;
+  *out_buf = data->buf;
+  return len;
 
 }
+
+/* Gets called afterwards */
+void afl_custom_deinit(post_state_t *data) {
+
+  free(data->buf);
+  free(data);
+
+}
+

custom_mutators/examples/simple-chunk-replace.py

@@ -0,0 +1,66 @@
+#!/usr/bin/env python
+# encoding: utf-8
+"""
+Simple Chunk Cross-Over Replacement Module for AFLFuzz
+
+@author:     Christian Holler (:decoder)
+
+@license:
+
+This Source Code Form is subject to the terms of the Mozilla Public
+License, v. 2.0. If a copy of the MPL was not distributed with this
+file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+@contact:    choller@mozilla.com
+"""
+
+import random
+
+
+def init(seed):
+    """
+    Called once when AFLFuzz starts up. Used to seed our RNG.
+
+    @type seed: int
+    @param seed: A 32-bit random value
+    """
+    # Seed our RNG
+    random.seed(seed)
+
+
+def fuzz(buf, add_buf, max_size):
+    """
+    Called per fuzzing iteration.
+
+    @type buf: bytearray
+    @param buf: The buffer that should be mutated.
+
+    @type add_buf: bytearray
+    @param add_buf: A second buffer that can be used as mutation source.
+
+    @type max_size: int
+    @param max_size: Maximum size of the mutated output. The mutation must not
+        produce data larger than max_size.
+
+    @rtype: bytearray
+    @return: A new bytearray containing the mutated data
+    """
+    # Make a copy of our input buffer for returning
+    ret = bytearray(buf)
+
+    # Take a random fragment length between 2 and 32 (or less if add_buf is shorter)
+    fragment_len = random.randint(1, min(len(add_buf), 32))
+
+    # Determine a random source index where to take the data chunk from
+    rand_src_idx = random.randint(0, len(add_buf) - fragment_len)
+
+    # Determine a random destination index where to put the data chunk
+    rand_dst_idx = random.randint(0, len(buf))
+
+    # Make the chunk replacement
+    ret[rand_dst_idx : rand_dst_idx + fragment_len] = add_buf[
+        rand_src_idx : rand_src_idx + fragment_len
+    ]
+
+    # Return data
+    return ret

custom_mutators/examples/simple_example.c

@@ -0,0 +1,74 @@
+// This simple example just creates random buffer <= 100 filled with 'A'
+// needs -I /path/to/AFLplusplus/include
+#include "afl-fuzz.h"
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+#ifndef _FIXED_CHAR
+  #define _FIXED_CHAR 0x41
+#endif
+
+typedef struct my_mutator {
+
+  afl_state_t *afl;
+
+  // Reused buffers:
+  u8 *fuzz_buf;
+
+} my_mutator_t;
+
+my_mutator_t *afl_custom_init(afl_state_t *afl, unsigned int seed) {
+
+  srand(seed);
+  my_mutator_t *data = calloc(1, sizeof(my_mutator_t));
+  if (!data) {
+
+    perror("afl_custom_init alloc");
+    return NULL;
+
+  }
+
+  data->fuzz_buf = (u8 *)malloc(MAX_FILE);
+  if (!data->fuzz_buf) {
+
+    perror("afl_custom_init malloc");
+    return NULL;
+
+  }
+
+  data->afl = afl;
+
+  return data;
+
+}
+
+size_t afl_custom_fuzz(my_mutator_t *data, uint8_t *buf, size_t buf_size,
+                       u8 **out_buf, uint8_t *add_buf,
+                       size_t add_buf_size,  // add_buf can be NULL
+                       size_t max_size) {
+
+  int size = (rand() % 100) + 1;
+  if (size > max_size) size = max_size;
+
+  memset(data->fuzz_buf, _FIXED_CHAR, size);
+
+  *out_buf = data->fuzz_buf;
+  return size;
+
+}
+
+/**
+ * Deinitialize everything
+ *
+ * @param data The data ptr from afl_custom_init
+ */
+void afl_custom_deinit(my_mutator_t *data) {
+
+  free(data->fuzz_buf);
+  free(data);
+
+}
+

custom_mutators/examples/wrapper_afl_min.py

@@ -0,0 +1,123 @@
+#!/usr/bin/env python
+
+from XmlMutatorMin import XmlMutatorMin
+
+# Default settings (production mode)
+
+__mutator__ = None
+__seed__ = "RANDOM"
+__log__ = False
+__log_file__ = "wrapper.log"
+
+
+# AFL functions
+def log(text):
+    """
+    Logger
+    """
+
+    global __seed__
+    global __log__
+    global __log_file__
+
+    if __log__:
+        with open(__log_file__, "a") as logf:
+            logf.write("[%s] %s\n" % (__seed__, text))
+
+
+def init(seed):
+    """
+    Called once when AFL starts up. Seed is used to identify the AFL instance in log files
+    """
+
+    global __mutator__
+    global __seed__
+
+    # Get the seed
+    __seed__ = seed
+
+    # Create a global mutation class
+    try:
+        __mutator__ = XmlMutatorMin(__seed__, verbose=__log__)
+        log("init(): Mutator created")
+    except RuntimeError as e:
+        log("init(): Can't create mutator: %s" % e.message)
+
+
+def fuzz(buf, add_buf, max_size):
+    """
+    Called for each fuzzing iteration.
+    """
+
+    global __mutator__
+
+    # Do we have a working mutator object?
+    if __mutator__ is None:
+        log("fuzz(): Can't fuzz, no mutator available")
+        return buf
+
+    # Try to use the AFL buffer
+    via_buffer = True
+
+    # Interpret the AFL buffer (an array of bytes) as a string
+    if via_buffer:
+        try:
+            buf_str = str(buf)
+            log("fuzz(): AFL buffer converted to a string")
+        except Exception:
+            via_buffer = False
+            log("fuzz(): Can't convert AFL buffer to a string")
+
+    # Load XML from the AFL string
+    if via_buffer:
+        try:
+            __mutator__.init_from_string(buf_str)
+            log(
+                "fuzz(): Mutator successfully initialized with AFL buffer (%d bytes)"
+                % len(buf_str)
+            )
+        except Exception:
+            via_buffer = False
+            log("fuzz(): Can't initialize mutator with AFL buffer")
+
+    # If init from AFL buffer wasn't succesful
+    if not via_buffer:
+        log("fuzz(): Returning unmodified AFL buffer")
+        return buf
+
+    # Sucessful initialization -> mutate
+    try:
+        __mutator__.mutate(max=5)
+        log("fuzz(): Input mutated")
+    except Exception:
+        log("fuzz(): Can't mutate input => returning buf")
+        return buf
+
+    # Convert mutated data to a array of bytes
+    try:
+        data = bytearray(__mutator__.save_to_string())
+        log("fuzz(): Mutated data converted as bytes")
+    except Exception:
+        log("fuzz(): Can't convert mutated data to bytes => returning buf")
+        return buf
+
+    # Everything went fine, returning mutated content
+    log("fuzz(): Returning %d bytes" % len(data))
+    return data
+
+
+# Main (for debug)
+if __name__ == "__main__":
+
+    __log__ = True
+    __log_file__ = "/dev/stdout"
+    __seed__ = "RANDOM"
+
+    init(__seed__)
+
+    in_1 = bytearray(
+        "<foo ddd='eeee'>ffff<a b='c' d='456' eee='ffffff'>zzzzzzzzzzzz</a><b yyy='YYY' zzz='ZZZ'></b></foo>"
+    )
+    in_2 = bytearray("<abc abc123='456' abcCBA='ppppppppppppppppppppppppppppp'/>")
+    out = fuzz(in_1, in_2)
+    print(out)

custom_mutators/gramatron/JSONC_VERSION

@@ -0,0 +1 @@
+af8dd4a307e7b837f9fa2959549548ace4afe08b

custom_mutators/gramatron/README.md

@@ -0,0 +1,49 @@
+# GramaTron
+
+GramaTron is a coverage-guided fuzzer that uses grammar automatons to perform
+grammar-aware fuzzing.  Technical details about our framework are available in
+the [ISSTA'21 paper](https://nebelwelt.net/files/21ISSTA.pdf). The artifact to
+reproduce the experiments presented in the paper are present in `artifact/`.
+Instructions to run a sample campaign and incorporate new grammars is presented
+below:
+
+## Compiling
+
+Execute `./build_gramatron_mutator.sh`.
+
+## Running
+
+You have to set the grammar file to use with `GRAMATRON_AUTOMATION`:
+
+```
+export AFL_DISABLE_TRIM=1
+export AFL_CUSTOM_MUTATOR_ONLY=1
+export AFL_CUSTOM_MUTATOR_LIBRARY=./gramatron.so
+export GRAMATRON_AUTOMATION=grammars/ruby/source_automata.json
+afl-fuzz -i in -o out -- ./target
+```
+
+## Adding and testing a new grammar
+
+- Specify in a JSON format for CFG. Examples are correspond `source.json` files.
+- Run the automaton generation script (in `src/gramfuzz-mutator/preprocess`)
+  which will place the generated automaton in the same folder.
+
+  ```
+  ./preprocess/prep_automaton.sh <grammar_file> <start_symbol> [stack_limit]
+
+  E.g., ./preprocess/prep_automaton.sh ~/grammars/ruby/source.json PROGRAM
+  ```
+
+- If the grammar has no self-embedding rules, then you do not need to pass the
+  stack limit parameter. However, if it does have self-embedding rules, then you
+  need to pass the stack limit parameter. We recommend starting with `5` and
+  then increasing it if you need more complexity.
+- To sanity-check that the automaton is generating inputs as expected, you can
+  use the `test` binary housed in `src/gramfuzz-mutator`.
+
+  ```
+  ./test SanityCheck <automaton_file>
+
+  E.g., ./test SanityCheck ~/grammars/ruby/source_automata.json
+  ```

custom_mutators/gramatron/build_gramatron_mutator.sh

@@ -0,0 +1,149 @@
+#!/bin/sh
+#
+# american fuzzy lop++ - gramatron build script
+# ------------------------------------------------
+#
+# Originally written by Nathan Voss <njvoss99@gmail.com>
+#
+# Adapted from code by Andrew Griffiths <agriffiths@google.com> and
+#                      Michal Zalewski
+#
+# Adapted for AFLplusplus by Dominik Maier <mail@dmnk.co>
+#
+# Copyright 2017 Battelle Memorial Institute. All rights reserved.
+# Copyright 2019-2023 AFLplusplus Project. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# This script downloads, patches, and builds a version of Unicorn with
+# minor tweaks to allow Unicorn-emulated binaries to be run under
+# afl-fuzz.
+#
+# The modifications reside in patches/*. The standalone Unicorn library
+# will be written to /usr/lib/libunicornafl.so, and the Python bindings
+# will be installed system-wide.
+#
+# You must make sure that Unicorn Engine is not already installed before
+# running this script. If it is, please uninstall it first.
+
+JSONC_VERSION="$(cat ./JSONC_VERSION)"
+JSONC_REPO="https://github.com/json-c/json-c"
+
+echo "================================================="
+echo "Gramatron Mutator build script"
+echo "================================================="
+echo
+
+echo "[*] Performing basic sanity checks..."
+
+PLT=`uname -s`
+
+if [ ! -f "../../config.h" ]; then
+
+  echo "[-] Error: key files not found - wrong working directory?"
+  exit 1
+
+fi
+
+if [ ! -f "../../src/afl-performance.o" ]; then
+
+  echo "[-] Error: you must build afl-fuzz first and not do a \"make clean\""
+  exit 1
+
+fi
+
+PYTHONBIN=`command -v python3 || command -v python || command -v python2 || echo python3`
+MAKECMD=make
+TARCMD=tar
+
+if [ "$PLT" = "Darwin" ]; then
+  CORES=`sysctl -n hw.ncpu`
+  TARCMD=tar
+fi
+
+if [ "$PLT" = "FreeBSD" ]; then
+  MAKECMD=gmake
+  CORES=`sysctl -n hw.ncpu`
+  TARCMD=gtar
+fi
+
+if [ "$PLT" = "NetBSD" ] || [ "$PLT" = "OpenBSD" ]; then
+  MAKECMD=gmake
+  CORES=`sysctl -n hw.ncpu`
+  TARCMD=gtar
+fi
+
+PREREQ_NOTFOUND=
+for i in git $MAKECMD $TARCMD; do
+
+  T=`command -v "$i" 2>/dev/null`
+
+  if [ "$T" = "" ]; then
+
+    echo "[-] Error: '$i' not found. Run 'sudo apt-get install $i' or similar."
+    PREREQ_NOTFOUND=1
+
+  fi
+
+done
+
+test -z "$CC" && export CC=cc
+
+if echo "$CC" | grep -qF /afl-; then
+
+  echo "[-] Error: do not use afl-gcc or afl-clang to compile this tool."
+  PREREQ_NOTFOUND=1
+
+fi
+
+if [ "$PREREQ_NOTFOUND" = "1" ]; then
+  exit 1
+fi
+
+echo "[+] All checks passed!"
+
+echo "[*] Making sure json-c is checked out"
+
+git status 1>/dev/null 2>/dev/null
+if [ $? -eq 0 ]; then
+  echo "[*] initializing json-c submodule"
+  git submodule init || exit 1
+  git submodule update ./json-c 2>/dev/null # ignore errors
+else
+  echo "[*] cloning json-c"
+  test -d json-c/.git || {
+    CNT=1
+    while [ '!' -d json-c/.git -a "$CNT" -lt 4 ]; do
+      echo "Trying to clone json-c (attempt $CNT/3)"
+      git clone "$JSONC_REPO" 
+      CNT=`expr "$CNT" + 1`
+    done
+  }
+fi
+
+test -e json-c/.git || { echo "[-] not checked out, please install git or check your internet connection." ; exit 1 ; }
+echo "[+] Got json-c."
+
+test -e json-c/.libs/libjson-c.a || {
+  cd "json-c" || exit 1
+  echo "[*] Checking out $JSONC_VERSION"
+  sh -c 'git stash && git stash drop' 1>/dev/null 2>/dev/null
+  git checkout "$JSONC_VERSION" || exit 1
+  sh autogen.sh || exit 1
+  export CFLAGS=-fPIC
+  ./configure --disable-shared || exit 1
+  make || exit 1
+  cd ..
+}
+
+echo
+echo
+echo "[+] Json-c successfully prepared!"
+echo "[+] Builing gramatron now."
+$CC -O3 -g -fPIC -Wno-unused-result -Wl,--allow-multiple-definition -I../../include -o gramatron.so -shared -I. -I/prg/dev/include gramfuzz.c gramfuzz-helpers.c gramfuzz-mutators.c gramfuzz-util.c hashmap.c ../../src/afl-performance.o json-c/.libs/libjson-c.a || exit 1
+echo
+echo "[+] gramatron successfully built!"

custom_mutators/gramatron/gramfuzz-helpers.c

@@ -0,0 +1,336 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <assert.h>
+#include "afl-fuzz.h"
+#include "gramfuzz.h"
+
+/*Slices from beginning till idx*/
+Array *slice(Array *input, int idx) {
+
+  // printf("\nSlice idx:%d", idx);
+  terminal *origptr;
+  terminal *term_ptr;
+  Array *   sliced = (Array *)malloc(sizeof(Array));
+  initArray(sliced, input->size);
+  // Populate dynamic array members
+  if (idx == 0) { return sliced; }
+  for (int x = 0; x < idx; x++) {
+
+    origptr = &input->start[x];
+    insertArray(sliced, origptr->state, origptr->symbol, origptr->symbol_len,
+                origptr->trigger_idx);
+
+  }
+
+  return sliced;
+
+}
+
+/* Slices from idx till end*/
+Array *slice_inverse(Array *input, int idx) {
+
+  // printf("\nSlice idx:%d", idx);
+  terminal *origptr;
+  terminal *term_ptr;
+  Array *   sliced = (Array *)malloc(sizeof(Array));
+  initArray(sliced, input->size);
+  for (int x = idx; x < input->used; x++) {
+
+    origptr = &input->start[x];
+    insertArray(sliced, origptr->state, origptr->symbol, origptr->symbol_len,
+                origptr->trigger_idx);
+
+  }
+
+  return sliced;
+
+}
+
+/*Carves with `start` included and `end` excluded*/
+Array *carve(Array *input, int start, int end) {
+
+  terminal *origptr;
+  terminal *term_ptr;
+  Array *   sliced = (Array *)malloc(sizeof(Array));
+  initArray(sliced, input->size);
+  for (int x = start; x < end; x++) {
+
+    origptr = &input->start[x];
+    insertArray(sliced, origptr->state, origptr->symbol, origptr->symbol_len,
+                origptr->trigger_idx);
+
+  }
+
+  return sliced;
+
+}
+
+/*Concats prefix + feature *mult*/
+void concatPrefixFeature(Array *prefix, Array *feature) {
+
+  // XXX: Currently we have hardcoded the multiplication threshold for adding
+  // the recursive feature. Might want to fix it to choose a random number upper
+  // bounded by a static value instead.
+  terminal *featureptr;
+  int       len = rand_below(global_afl, RECUR_THRESHOLD);
+  for (int x = 0; x < len; x++) {
+
+    for (int y = 0; y < feature->used; y++) {
+
+      featureptr = &feature->start[y];
+      insertArray(prefix, featureptr->state, featureptr->symbol,
+                  featureptr->symbol_len, featureptr->trigger_idx);
+
+    }
+
+  }
+
+}
+
+void concatPrefixFeatureBench(Array *prefix, Array *feature) {
+
+  // XXX: Currently we have hardcoded the multiplication threshold for adding
+  // the recursive feature. Might want to fix it to choose a random number upper
+  // bounded by a static value instead.
+  terminal *featureptr;
+  int       len =
+      5;  // 5 is the number of times we compare performing random recursion.
+  for (int x = 0; x < len; x++) {
+
+    for (int y = 0; y < feature->used; y++) {
+
+      featureptr = &feature->start[y];
+      insertArray(prefix, featureptr->state, featureptr->symbol,
+                  featureptr->symbol_len, featureptr->trigger_idx);
+
+    }
+
+  }
+
+}
+
+Array *spliceGF(Array *orig, Array *toSplice, int idx) {
+
+  terminal *toSplicePtr;
+  terminal *tempPtr;
+  // Iterate through the splice candidate from the `idx` till end
+  for (int x = idx; x < toSplice->used; x++) {
+
+    toSplicePtr = &toSplice->start[x];
+    insertArray(orig, toSplicePtr->state, toSplicePtr->symbol,
+                toSplicePtr->symbol_len, toSplicePtr->trigger_idx);
+
+  }
+
+  return orig;
+
+}
+
+Array *gen_input(state *pda, Array *input) {
+
+  state *   state_ptr;
+  trigger * trigger_ptr;
+  terminal *term_ptr;
+  int       offset = 0;
+  int       randval, error;
+  // Generating an input for the first time
+  if (input == NULL) {
+
+    input = (Array *)calloc(1, sizeof(Array));
+    initArray(input, INIT_SIZE);
+    curr_state = init_state;
+
+  }
+
+  while (curr_state != final_state) {
+
+    // Retrieving the state from the pda
+    state_ptr = pda + curr_state;
+
+    // Get a random trigger
+    randval = rand_below(global_afl, state_ptr->trigger_len);
+    trigger_ptr = (state_ptr->ptr) + randval;
+
+    // Insert into the dynamic array
+    insertArray(input, curr_state, trigger_ptr->term, trigger_ptr->term_len,
+                randval);
+    curr_state = trigger_ptr->dest;
+    offset += 1;
+
+  }
+
+  return input;
+
+}
+
+Array *gen_input_count(state *pda, Array *input, int *mut_count) {
+
+  state *   state_ptr;
+  trigger * trigger_ptr;
+  terminal *term_ptr;
+  int       offset = 0;
+  int       randval, error;
+  // Generating an input for the first time
+  if (input == NULL) {
+
+    input = (Array *)calloc(1, sizeof(Array));
+    initArray(input, INIT_SIZE);
+    curr_state = init_state;
+
+  }
+
+  while (curr_state != final_state) {
+
+    *mut_count += 1;
+    // Retrieving the state from the pda
+    state_ptr = pda + curr_state;
+
+    // Get a random trigger
+    randval = rand_below(global_afl, state_ptr->trigger_len);
+    trigger_ptr = (state_ptr->ptr) + randval;
+
+    // Insert into the dynamic array
+    insertArray(input, curr_state, trigger_ptr->term, trigger_ptr->term_len,
+                randval);
+    curr_state = trigger_ptr->dest;
+    offset += 1;
+
+  }
+
+  return input;
+
+}
+
+/*Creates a candidate from walk with state hashmap and
+ * recursion hashmap
+ */
+
+Candidate *gen_candidate(Array *input) {
+
+  terminal *  term_ptr;
+  IdxMap_new *idxmapPtr;
+  // Declare the State Hash Table
+  IdxMap_new *idxmapStart =
+      (IdxMap_new *)malloc(sizeof(IdxMap_new) * numstates);
+  for (int x = 0; x < numstates; x++) {
+
+    idxmapPtr = &idxmapStart[x];
+    utarray_new(idxmapPtr->nums, &ut_int_icd);
+
+  }
+
+  char *     trigger;
+  int        state;
+  char *     key;
+  Candidate *candidate = (Candidate *)malloc(sizeof(Candidate));
+  candidate->walk = input;
+  int offset = 0, error;
+
+  // Generate statemap for splicing
+  while (offset < input->used) {
+
+    term_ptr = &input->start[offset];
+    state = term_ptr->state;
+    // char *statenum = state + 1;
+    // int num = atoi(statenum);
+    idxmapPtr = &idxmapStart[state];
+    utarray_push_back(idxmapPtr->nums, &offset);
+    offset += 1;
+
+  }
+
+  candidate->statemap = idxmapStart;
+  return candidate;
+
+}
+
+char *get_state(char *trigger) {
+
+  // Get the state from transition
+  int trigger_idx = 0;
+  printf("\nTrigger:%s", trigger);
+  char *state = (char *)malloc(sizeof(char) * 10);
+  while (trigger[trigger_idx] != '_') {
+
+    state[trigger_idx] = trigger[trigger_idx];
+    trigger_idx += 1;
+
+  }
+
+  printf("\nTrigger Idx:%d", trigger_idx);
+  state[trigger_idx] = '\0';
+  return state;
+
+}
+
+void print_repr(Array *input, char *prefix) {
+
+  size_t    offset = 0;
+  terminal *term_ptr;
+  char      geninput[input->used * 100];
+  if (!input->used) {
+
+    printf("\n=============");
+    printf("\n%s:%s", prefix, "");
+    printf("\n=============");
+    return;
+
+  }
+
+  // This is done to create a null-terminated initial string
+  term_ptr = &input->start[offset];
+  strcpy(geninput, term_ptr->symbol);
+  offset += 1;
+
+  while (offset < input->used) {
+
+    term_ptr = &input->start[offset];
+    strcat(geninput, term_ptr->symbol);
+    offset += 1;
+
+  }
+
+  printf("\n=============");
+  printf("\n%s:%s", prefix, geninput);
+  printf("\n=============");
+
+}
+
+// int main(int argc, char*argv[]) {
+
+//     char *mode;
+//     if (argc == 1) {
+
+//         printf("\nUsage: ./gramfuzzer <mode>");
+//         return -1;
+//     }
+//     if (argc >= 2) {
+
+//         mode = argv[1];
+//         printf("\nMode:%s", mode);
+//     }
+//     if (! strcmp(mode, "Generate")) {
+
+//         GenInputBenchmark();
+//     }
+//     else if (! strcmp(mode, "RandomMutation")) {
+
+//         RandomMutationBenchmark();
+//     }
+//     else if (! strcmp(mode, "Splice")) {
+
+//         SpliceMutationBenchmark();
+//     }
+//     else if (! strcmp(mode, "Recursive")) {
+
+//         RandomRecursiveBenchmark();
+//     }
+//     else {
+
+//         printf("\nUnrecognized mode");
+//         return -1;
+//     }
+//     return 0;
+// }
+

custom_mutators/gramatron/gramfuzz-mutators.c

@@ -0,0 +1,247 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <assert.h>
+#include "afl-fuzz.h"
+#include "gramfuzz.h"
+
+Array *performRandomMutation(state *pda, Array *input) {
+
+  terminal *term_ptr;
+  // terminal *prev_ptr;
+  Array *mutated;
+  Array *sliced;
+
+  // Get offset at which to generate new input and slice it
+  int idx = rand_below(global_afl, input->used);
+  sliced = slice(input, idx);
+  // print_repr(sliced, "Slice");
+
+  // prev_ptr = & input->start[idx - 1];
+  // printf("\nState:%s Symbol:%s", prev_ptr->state, prev_ptr->symbol);
+  // Reset current state to that of the slice's last member
+  term_ptr = &input->start[idx];
+  curr_state = term_ptr->state;
+  // printf("\nState:%s Symbol:%s", curr_state, term_ptr->symbol);
+
+  // Set the next available cell to the one adjacent to this chosen point
+  mutated = gen_input(pda, sliced);
+  return mutated;
+
+}
+
+// Tries to perform splice operation between two automaton walks
+UT_icd intpair_icd = {sizeof(intpair_t), NULL, NULL, NULL};
+
+Array *performSpliceOne(Array *originput, IdxMap_new *statemap_orig,
+                        Array *splicecand) {
+
+  UT_array * stateptr, *pairs;
+  intpair_t  ip;
+  intpair_t *cand;
+
+  terminal *term_ptr;
+  Array *   prefix;
+  int       state;
+
+  // Initialize the dynamic holding the splice indice pairs
+  utarray_new(pairs, &intpair_icd);
+  // print_repr(originput, "Orig");
+  // print_repr(splicecand, "SpliceCand");
+
+  // Iterate through the splice candidate identifying potential splice points
+  // and pushing pair (orig_idx, splice_idx) to a dynamic array
+  for (int x = 0; x < splicecand->used; x++) {
+
+    term_ptr = &splicecand->start[x];
+    stateptr = statemap_orig[term_ptr->state].nums;
+    int length = utarray_len(stateptr);
+    if (length) {
+
+      int *splice_idx = (int *)utarray_eltptr(stateptr, rand_below(global_afl, length));
+      ip.orig_idx = *splice_idx;
+      ip.splice_idx = x;
+      utarray_push_back(pairs, &ip);
+
+    }
+
+  }
+
+  // Pick a random pair
+  int length = utarray_len(pairs);
+  cand = (intpair_t *)utarray_eltptr(pairs, rand_below(global_afl, length));
+  // printf("\n Orig_idx:%d Splice_idx:%d", cand->orig_idx, cand->splice_idx);
+
+  // Perform the splicing
+  prefix = slice(originput, cand->orig_idx);
+  Array *spliced = spliceGF(prefix, splicecand, cand->splice_idx);
+  // print_repr(spliced, "Spliced");
+  //
+  utarray_free(pairs);
+
+  return spliced;
+
+}
+
+UT_array **get_dupes(Array *input, int *recur_len) {
+
+  // Variables related to finding duplicates
+  int         offset = 0;
+  int         state;
+  terminal *  term_ptr;
+  IdxMap_new *idxMapPtr;
+  UT_array ** recurIdx;
+
+  // Declare the Recursive Map Table
+  IdxMap_new *idxmapStart =
+      (IdxMap_new *)malloc(sizeof(IdxMap_new) * numstates);
+  //
+  // UT_array *(recurIdx[numstates]);
+  recurIdx = malloc(sizeof(UT_array *) * numstates);
+
+  for (int x = 0; x < numstates; x++) {
+
+    idxMapPtr = &idxmapStart[x];
+    utarray_new(idxMapPtr->nums, &ut_int_icd);
+
+  }
+
+  // Obtain frequency distribution of states
+  while (offset < input->used) {
+
+    term_ptr = &input->start[offset];
+    state = term_ptr->state;
+    // int num = atoi(state + 1);
+    idxMapPtr = &idxmapStart[state];
+    utarray_push_back(idxMapPtr->nums, &offset);
+    offset += 1;
+
+  }
+
+  // Retrieve the duplicated states
+  offset = 0;
+  while (offset < numstates) {
+
+    idxMapPtr = &idxmapStart[offset];
+    int length = utarray_len(idxMapPtr->nums);
+    if (length >= 2) {
+
+      recurIdx[*recur_len] = idxMapPtr->nums;
+      *recur_len += 1;
+
+    }
+
+    // else {
+
+    //     utarray_free(idxMapPtr->nums);
+    // }
+    offset += 1;
+
+  }
+
+  if (*recur_len) {
+
+    // Declare the return struct
+    // We use this struct so that we save the reference to IdxMap_new and free
+    // it after we have used it in doMult
+    // Get_Dupes_Ret* getdupesret =
+    // (Get_Dupes_Ret*)malloc(sizeof(Get_Dupes_Ret));
+    return recurIdx;
+    // getdupesret->idxmap = idxmapStart;
+    // getdupesret->recurIdx = recurIdx;
+    // return getdupesret;
+
+  } else {
+
+    return NULL;
+
+  }
+
+}
+
+Array *doMult(Array *input, UT_array **recur, int recurlen) {
+
+  int       offset = 0;
+  int       idx = rand_below(global_afl, recurlen);
+  UT_array *recurMap = recur[idx];
+  UT_array *recurPtr;
+  Array *   prefix;
+  Array *   postfix;
+  Array *   feature;
+
+  // Choose two indices to get the recursive feature
+  int recurIndices = utarray_len(recurMap);
+  int firstIdx = 0;
+  int secondIdx = 0;
+  getTwoIndices(recurMap, recurIndices, &firstIdx, &secondIdx);
+
+  // Perform the recursive mut
+  // print_repr(input, "Orig");
+  prefix = slice(input, firstIdx);
+  // print_repr(prefix, "Prefix");
+  if (firstIdx < secondIdx) {
+
+    feature = carve(input, firstIdx, secondIdx);
+
+  } else {
+
+    feature = carve(input, secondIdx, firstIdx);
+
+  }
+
+  // print_repr(feature, "Feature");
+  concatPrefixFeature(prefix, feature);
+
+  // GC allocated structures
+  free(feature->start);
+  free(feature);
+  // for(int x = 0; x < recurlen; x++) {
+
+  //     utarray_free(recur[x]);
+  // }
+  // free(recur);
+  // print_repr(prefix, "Concat");
+  return spliceGF(prefix, input, secondIdx);
+
+}
+
+void getTwoIndices(UT_array *recur, int recurlen, int *firstIdx,
+                   int *secondIdx) {
+
+  int ArrayRecurIndices[recurlen];
+  int offset = 0, *p;
+  // Unroll into an array
+  for (p = (int *)utarray_front(recur); p != NULL;
+       p = (int *)utarray_next(recur, p)) {
+
+    ArrayRecurIndices[offset] = *p;
+    offset += 1;
+
+  }
+
+  /*Source:
+   * https://www.geeksforgeeks.org/shuffle-a-given-array-using-fisher-yates-shuffle-algorithm/
+   */
+  for (int i = offset - 1; i > 0; i--) {
+
+    // Pick a random index from 0 to i
+    int j = rand_below(global_afl, i + 1);
+
+    // Swap arr[i] with the element at random index
+    swap(&ArrayRecurIndices[i], &ArrayRecurIndices[j]);
+
+  }
+
+  *firstIdx = ArrayRecurIndices[0];
+  *secondIdx = ArrayRecurIndices[1];
+
+}
+
+void swap(int *a, int *b) {
+
+  int temp = *a;
+  *a = *b;
+  *b = temp;
+
+}
+

custom_mutators/gramatron/gramfuzz-util.c

@@ -0,0 +1,268 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <assert.h>
+#include "afl-fuzz.h"
+#include "gramfuzz.h"
+#ifdef _GNU_SOURCE
+  #undef _GNU_SOURCE
+#endif
+#define _GNU_SOURCE
+#include <sys/mman.h>
+
+/* Dynamic Array for adding to the input repr
+ * */
+void initArray(Array *a, size_t initialSize) {
+
+  a->start = (terminal *)calloc(1, sizeof(terminal) * initialSize);
+  a->used = 0;
+  a->size = initialSize;
+  a->inputlen = 0;
+
+}
+
+void insertArray(Array *a, int state, char *symbol, size_t symbol_len,
+                 int trigger_idx) {
+
+  // a->used is the number of used entries, because a->array[a->used++] updates
+  // a->used only *after* the array has been accessed. Therefore a->used can go
+  // up to a->size
+  terminal *term_ptr;
+  if (a->used == a->size) {
+
+    a->size = a->size * sizeof(terminal);
+    a->start = (terminal *)realloc(a->start, a->size * sizeof(terminal));
+
+  }
+
+  // Add the element
+  term_ptr = &a->start[a->used];
+  term_ptr->state = state;
+  term_ptr->symbol = symbol;
+  term_ptr->symbol_len = symbol_len;
+  term_ptr->trigger_idx = trigger_idx;
+
+  // Increment the pointer
+  a->used += 1;
+  a->inputlen += symbol_len;
+
+}
+
+void freeArray(Array *a) {
+
+  terminal *ptr;
+  for (int x = 0; x < a->used; x++) {
+
+    ptr = &a->start[x];
+    free(ptr);
+
+  }
+
+  a->start = NULL;
+  a->used = a->size = 0;
+
+}
+
+/* Dynamic array for adding indices of states/recursive features
+ * Source:
+ * https://stackoverflow.com/questions/3536153/c-dynamically-growing-array
+ */
+void initArrayIdx(IdxMap *a, size_t initialSize) {
+
+  a->array = (int *)malloc(initialSize * sizeof(int));
+  a->used = 0;
+  a->size = initialSize;
+
+}
+
+void insertArrayIdx(IdxMap *a, int idx) {
+
+  // a->used is the number of used entries, because a->array[a->used++] updates
+  // a->used only *after* the array has been accessed. Therefore a->used can go
+  // up to a->size
+  if (a->used == a->size) {
+
+    a->size *= 2;
+    a->array = (int *)realloc(a->array, a->size * sizeof(int));
+
+  }
+
+  a->array[a->used++] = idx;
+
+}
+
+void freeArrayIdx(IdxMap *a) {
+
+  free(a->array);
+  a->array = NULL;
+  a->used = a->size = 0;
+
+}
+
+/* Dynamic array for adding potential splice points
+ */
+void initArraySplice(SpliceCandArray *a, size_t initialSize) {
+
+  a->start = (SpliceCand *)malloc(initialSize * sizeof(SpliceCand));
+  a->used = 0;
+  a->size = initialSize;
+
+}
+
+void insertArraySplice(SpliceCandArray *a, Candidate *candidate, int idx) {
+
+  // a->used is the number of used entries, because a->array[a->used++] updates
+  // a->used only *after* the array has been accessed. Therefore a->used can go
+  // up to a->size
+  SpliceCand *candptr;
+  if (a->used == a->size) {
+
+    a->size = a->size * sizeof(SpliceCand);
+    a->start = (SpliceCand *)realloc(a->start, a->size * sizeof(SpliceCand));
+
+  }
+
+  // Add the element
+  candptr = &a->start[a->used];
+  candptr->splice_cand = candidate;
+  candptr->idx = idx;
+  a->used += 1;
+
+}
+
+void freeArraySplice(IdxMap *a) {
+
+  free(a->array);
+  a->array = NULL;
+  a->used = a->size = 0;
+
+}
+
+int fact(int n) {
+
+  int i, f = 1;
+  for (i = 1; i <= n; i++) {
+
+    f *= i;
+
+  }
+
+  return f;
+
+}
+
+/* Uses the walk to create the input in-memory */
+u8 *unparse_walk(Array *input) {
+
+  terminal *term_ptr;
+  int       offset = 0;
+  u8 *      unparsed = (u8 *)malloc(input->inputlen + 1);
+  term_ptr = &input->start[offset];
+  strcpy(unparsed, term_ptr->symbol);
+  offset += 1;
+  while (offset < input->used) {
+
+    term_ptr = &input->start[offset];
+    strcat(unparsed, term_ptr->symbol);
+    offset += 1;
+
+  }
+
+  return unparsed;
+
+}
+
+/*Dump the input representation into a file*/
+void write_input(Array *input, u8 *fn) {
+
+  FILE *fp;
+  // If file already exists, then skip creating the file
+  if (access(fn, F_OK) != -1) { return; }
+
+  fp = fopen(fn, "wbx+");
+  // If the input has already been flushed, then skip silently
+  if (fp == NULL) {
+
+    fprintf(stderr, "\n File '%s' could not be open, exiting\n", fn);
+    exit(1);
+
+  }
+
+  // Write the length parameters
+  fwrite(&input->used, sizeof(size_t), 1, fp);
+  fwrite(&input->size, sizeof(size_t), 1, fp);
+  fwrite(&input->inputlen, sizeof(size_t), 1, fp);
+
+  // Write the dynamic array to file
+  fwrite(input->start, input->size * sizeof(terminal), 1, fp);
+  // printf("\nUsed:%zu Size:%zu Inputlen:%zu", input->used, input->size,
+  // input->inputlen);
+  fclose(fp);
+
+}
+
+Array *parse_input(state *pda, FILE *fp) {
+
+  terminal *term;
+  state *   state_ptr;
+  trigger * trigger;
+  int       trigger_idx;
+  Array *   input = (Array *)calloc(1, sizeof(Array));
+
+  // Read the length parameters
+  fread(&input->used, sizeof(size_t), 1, fp);
+  fread(&input->size, sizeof(size_t), 1, fp);
+  fread(&input->inputlen, sizeof(size_t), 1, fp);
+
+  terminal *start_ptr = (terminal *)calloc(input->size, sizeof(terminal));
+  if (!start_ptr) {
+
+    fprintf(stderr, "alloc failed!\n");
+    return NULL;
+
+  }
+
+  // Read the dynamic array to memory
+  fread(start_ptr, input->size * sizeof(terminal), 1, fp);
+  // Update the pointers to the terminals since they would have
+  // changed
+  int idx = 0;
+  while (idx < input->used) {
+
+    terminal *term = &start_ptr[idx];
+    // Find the state
+    state_ptr = pda + term->state;
+    // Find the trigger and update the terminal address
+    trigger_idx = term->trigger_idx;
+    trigger = (state_ptr->ptr) + trigger_idx;
+    term->symbol = trigger->term;
+    idx += 1;
+
+  }
+
+  input->start = start_ptr;
+  // printf("\nUsed:%zu Size:%zu Inputlen:%zu", input->used, input->size,
+  // input->inputlen);
+
+  return input;
+
+}
+
+// Read the input representation into memory
+Array *read_input(state *pda, u8 *fn) {
+
+  FILE *fp;
+  fp = fopen(fn, "rb");
+  if (fp == NULL) {
+
+    fprintf(stderr, "\n File '%s' does not exist, exiting\n", fn);
+    exit(1);
+
+  }
+
+  Array *res = parse_input(pda, fp);
+  fclose(fp);
+  return res;
+
+}
+

custom_mutators/gramatron/gramfuzz.c

@@ -0,0 +1,429 @@
+// This simple example just creates random buffer <= 100 filled with 'A'
+// needs -I /path/to/AFLplusplus/include
+//#include "custom_mutator_helpers.h"
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+#include "afl-fuzz.h"
+#include "gramfuzz.h"
+
+#define MUTATORS 4  // Specify the total number of mutators
+
+typedef struct my_mutator {
+
+  afl_state_t *afl;
+
+  u8 *   mutator_buf;
+  u8 *   unparsed_input;
+  Array *mutated_walk;
+  Array *orig_walk;
+
+  IdxMap_new *statemap;  // Keeps track of the statemap
+  UT_array ** recurIdx;
+  // Get_Dupes_Ret* getdupesret; // Recursive feature map
+  int recurlen;
+
+  int mut_alloced;
+  int orig_alloced;
+  int mut_idx;  // Signals the current mutator being used, used to cycle through
+                // each mutator
+
+  unsigned int seed;
+
+} my_mutator_t;
+
+state *create_pda(u8 *automaton_file) {
+
+  struct json_object *parsed_json;
+  state *             pda;
+  json_object *       source_obj, *attr;
+  int                 arraylen, ii, ii2, trigger_len, error;
+
+  printf("\n[GF] Automaton file passed:%s", automaton_file);
+  // parsed_json =
+  // json_object_from_file("./gramfuzz/php_gnf_processed_full.json");
+  parsed_json = json_object_from_file(automaton_file);
+
+  // Getting final state
+  source_obj = json_object_object_get(parsed_json, "final_state");
+  printf("\t\nFinal=%s\n", json_object_get_string(source_obj));
+  final_state = atoi(json_object_get_string(source_obj));
+
+  // Getting initial state
+  source_obj = json_object_object_get(parsed_json, "init_state");
+  init_state = atoi(json_object_get_string(source_obj));
+  printf("\tInit=%s\n", json_object_get_string(source_obj));
+
+  // Getting number of states
+  source_obj = json_object_object_get(parsed_json, "numstates");
+  numstates = atoi(json_object_get_string(source_obj)) + 1;
+  printf("\tNumStates=%d\n", numstates);
+
+  // Allocate state space for each pda state
+  pda = (state *)calloc(atoi(json_object_get_string(source_obj)) + 1,
+                        sizeof(state));
+
+  // Getting PDA representation
+  source_obj = json_object_object_get(parsed_json, "pda");
+  enum json_type type;
+  json_object_object_foreach(source_obj, key, val) {
+
+    state *  state_ptr;
+    trigger *trigger_ptr;
+    int      offset;
+
+    // Get the correct offset into the pda to store state information
+    state_ptr = pda;
+    offset = atoi(key);
+    state_ptr += offset;
+    // Store state string
+    state_ptr->state_name = offset;
+
+    // Create trigger array of structs
+    trigger_len = json_object_array_length(val);
+    state_ptr->trigger_len = trigger_len;
+    trigger_ptr = (trigger *)calloc(trigger_len, sizeof(trigger));
+    state_ptr->ptr = trigger_ptr;
+
+    for (ii = 0; ii < trigger_len; ii++) {
+
+      json_object *obj = json_object_array_get_idx(val, ii);
+      // Get all the trigger trigger attributes
+      attr = json_object_array_get_idx(obj, 0);
+      (trigger_ptr)->id = strdup(json_object_get_string(attr));
+
+      attr = json_object_array_get_idx(obj, 1);
+      trigger_ptr->dest = atoi(json_object_get_string(attr));
+
+      attr = json_object_array_get_idx(obj, 2);
+      if (!strcmp("\\n", json_object_get_string(attr))) {
+
+        trigger_ptr->term = strdup("\n");
+
+      } else {
+
+        trigger_ptr->term = strdup(json_object_get_string(attr));
+
+      }
+
+      trigger_ptr->term_len = strlen(trigger_ptr->term);
+      trigger_ptr++;
+
+    }
+
+  }
+
+  // Delete the JSON object
+  json_object_put(parsed_json);
+
+  return pda;
+
+}
+
+my_mutator_t *afl_custom_init(afl_state_t *afl, unsigned int seed) {
+
+  my_mutator_t *data = calloc(1, sizeof(my_mutator_t));
+  if (!data) {
+
+    perror("afl_custom_init alloc");
+    return NULL;
+
+  }
+
+  if ((data->mutator_buf = malloc(MAX_FILE)) == NULL) {
+
+    perror("mutator_buf alloc");
+    return NULL;
+
+  }
+
+  data->afl = afl;
+  global_afl = afl;  // dirty
+  data->seed = seed;
+
+  data->mut_alloced = 0;
+  data->orig_alloced = 0;
+  data->mut_idx = 0;
+  data->recurlen = 0;
+
+  // data->mutator_buf = NULL;
+  // data->unparsed_input = NULL;
+  // data->mutated_walk = NULL;
+  // data->orig_walk = NULL;
+  //
+  // data->statemap = NULL;  // Keeps track of the statemap
+  // data->recur_idx = NULL; // Will keep track of recursive feature indices
+  // u32 recur_len = 0;       // The number of recursive features
+  // data->mutator_buf = NULL;
+
+  char *automaton_file = getenv("GRAMATRON_AUTOMATION");
+  if (automaton_file) {
+
+    pda = create_pda(automaton_file);
+
+  } else {
+
+    fprintf(stderr,
+            "\nError: GrammaTron needs an automation json file set in "
+            "GRAMATRON_AUTOMATION\n");
+    exit(-1);
+
+  }
+
+  return data;
+
+}
+
+size_t afl_custom_fuzz(my_mutator_t *data, uint8_t *buf, size_t buf_size,
+                       u8 **out_buf, uint8_t *add_buf, size_t add_buf_size,
+                       size_t max_size) {
+
+  u8 *unparsed_input;
+
+  // Pick a mutator
+  // int choice = rand() % MUTATORS;
+  // data->mut_idx = 1;
+  // GC old mutant
+  if (data->mut_alloced) {
+
+    free(data->mutated_walk->start);
+    free(data->mutated_walk);
+    data->mut_alloced = 0;
+
+  };
+
+  // printf("\nChoice:%d", choice);
+
+  if (data->mut_idx == 0) {  // Perform random mutation
+    data->mutated_walk = performRandomMutation(pda, data->orig_walk);
+    data->mut_alloced = 1;
+
+  } else if (data->mut_idx == 1 &&
+
+             data->recurlen) {  // Perform recursive mutation
+    data->mutated_walk =
+        doMult(data->orig_walk, data->recurIdx, data->recurlen);
+    data->mut_alloced = 1;
+
+  } else if (data->mut_idx == 2) {  // Perform splice mutation
+
+    // we cannot use the supplied splice data so choose a new random file
+    u32                 tid = rand_below(global_afl, data->afl->queued_items);
+    struct queue_entry *q = data->afl->queue_buf[tid];
+
+    // Read the input representation for the splice candidate
+    u8 *   automaton_fn = alloc_printf("%s.aut", q->fname);
+    Array *spliceCandidate = read_input(pda, automaton_fn);
+
+    if (spliceCandidate) {
+
+      data->mutated_walk =
+          performSpliceOne(data->orig_walk, data->statemap, spliceCandidate);
+      data->mut_alloced = 1;
+      free(spliceCandidate->start);
+      free(spliceCandidate);
+
+    } else {
+
+      data->mutated_walk = gen_input(pda, NULL);
+      data->mut_alloced = 1;
+
+    }
+
+    ck_free(automaton_fn);
+
+  } else {  // Generate an input from scratch
+
+    data->mutated_walk = gen_input(pda, NULL);
+    data->mut_alloced = 1;
+
+  }
+
+  // Cycle to the next mutator
+  if (data->mut_idx == MUTATORS - 1)
+    data->mut_idx =
+        0;  // Wrap around if we have reached end of the mutator list
+  else
+    data->mut_idx += 1;
+
+  // Unparse the mutated automaton walk
+  if (data->unparsed_input) { free(data->unparsed_input); }
+  data->unparsed_input = unparse_walk(data->mutated_walk);
+  *out_buf = data->unparsed_input;
+
+  return data->mutated_walk->inputlen;
+
+}
+
+/**
+ * Create the automaton-based representation for the corresponding input
+ *
+ * @param data pointer returned in afl_custom_init for this fuzz case
+ * @param filename_new_queue File name of the new queue entry
+ * @param filename_orig_queue File name of the original queue entry
+ */
+u8 afl_custom_queue_new_entry(my_mutator_t * data,
+                              const uint8_t *filename_new_queue,
+                              const uint8_t *filename_orig_queue) {
+
+  // get the filename
+  u8 *   automaton_fn, *unparsed_input;
+  Array *new_input;
+  s32    fd;
+
+  automaton_fn = alloc_printf("%s.aut", filename_new_queue);
+  // Check if this method is being called during initialization
+
+  // fprintf(stderr, "new: %s, old: %s, auto: %s\n",
+  // filename_new_queue,filename_orig_queue,automaton_fn);
+
+  if (filename_orig_queue) {
+
+    write_input(data->mutated_walk, automaton_fn);
+
+  } else {
+
+    new_input = gen_input(pda, NULL);
+    write_input(new_input, automaton_fn);
+
+    // Update the placeholder file
+    if (unlink(filename_new_queue)) {
+
+      PFATAL("Unable to delete '%s'", filename_new_queue);
+
+    }
+
+    unparsed_input = unparse_walk(new_input);
+    fd = open(filename_new_queue, O_WRONLY | O_CREAT | O_TRUNC,
+              S_IRUSR | S_IWUSR);
+    if (fd < 0) { PFATAL("Failed to update file '%s'", filename_new_queue); }
+    int written = write(fd, unparsed_input, new_input->inputlen + 1);
+    close(fd);
+
+    free(new_input->start);
+    free(new_input);
+    free(unparsed_input);
+
+  }
+
+  ck_free(automaton_fn);
+
+  return 1;
+
+}
+
+/**
+ * Get the corresponding tree representation for the candidate that is to be
+ * mutated
+ *
+ * @param[in] data pointer returned in afl_custom_init for this fuzz case
+ * @param filename File name of the test case in the queue entry
+ * @return Return True(1) if the fuzzer will fuzz the queue entry, and
+ *     False(0) otherwise.
+ */
+uint8_t afl_custom_queue_get(my_mutator_t *data, const uint8_t *filename) {
+
+  // get the filename
+  u8 *        automaton_fn = alloc_printf("%s.aut", filename);
+  IdxMap_new *statemap_ptr;
+  terminal *  term_ptr;
+  int         state;
+
+  // TODO: I don't think we need to update pointers when reading back
+  // Probably build two different versions of read_input one for flushing
+  // inputs to disk and the other that
+  if (data->orig_alloced) {
+
+    free(data->orig_walk->start);
+    free(data->orig_walk);
+    data->orig_alloced = 0;
+
+  }
+
+  if (data->statemap) {
+
+    for (int x = 0; x < numstates; x++) {
+
+      utarray_free(data->statemap[x].nums);
+
+    }
+
+    free(data->statemap);
+
+  }
+
+  if (data->recurIdx) {
+
+    data->recurlen = 0;
+    free(data->recurIdx);
+
+  }
+
+  data->orig_walk = read_input(pda, automaton_fn);
+  data->orig_alloced = 1;
+
+  // Create statemap for the fuzz candidate
+  IdxMap_new *statemap_start =
+      (IdxMap_new *)malloc(sizeof(IdxMap_new) * numstates);
+  for (int x = 0; x < numstates; x++) {
+
+    statemap_ptr = &statemap_start[x];
+    utarray_new(statemap_ptr->nums, &ut_int_icd);
+
+  }
+
+  int offset = 0;
+  while (offset < data->orig_walk->used) {
+
+    term_ptr = &data->orig_walk->start[offset];
+    state = term_ptr->state;
+    statemap_ptr = &statemap_start[state];
+    utarray_push_back(statemap_ptr->nums, &offset);
+    offset += 1;
+
+  }
+
+  data->statemap = statemap_start;
+
+  // Create recursive feature map (if it exists)
+  data->recurIdx = malloc(sizeof(UT_array *) * numstates);
+  // Retrieve the duplicated states
+  offset = 0;
+  while (offset < numstates) {
+
+    statemap_ptr = &data->statemap[offset];
+    int length = utarray_len(statemap_ptr->nums);
+    if (length >= 2) {
+
+      data->recurIdx[data->recurlen] = statemap_ptr->nums;
+      data->recurlen += 1;
+
+    }
+
+    offset += 1;
+
+  }
+
+  // data->getdupesret = get_dupes(data->orig_walk, &data->recurlen);
+
+  ck_free(automaton_fn);
+  return 1;
+
+}
+
+/**
+ * Deinitialize everything
+ *
+ * @param data The data ptr from afl_custom_init
+ */
+
+void afl_custom_deinit(my_mutator_t *data) {
+
+  free(data->mutator_buf);
+  free(data);
+
+}
+

custom_mutators/gramatron/gramfuzz.h

@@ -0,0 +1,255 @@
+#ifndef _GRAMFUZZ_H
+
+#define _GRAMFUZZ_H
+
+#include <json-c/json.h>
+#include <unistd.h>
+#include "hashmap.h"
+#include "uthash.h"
+#include "utarray.h"
+
+#define INIT_INPUTS 100  // No. of initial inputs to be generated
+
+// Set this as `numstates` + 1 where `numstates` is retrieved from gen automata
+// json #define STATES 63
+
+#define INIT_SIZE 100  // Initial size of the dynamic array holding the input
+
+#define SPLICE_CORPUS 10000
+#define RECUR_THRESHOLD 6
+#define SIZE_THRESHOLD 2048
+
+#define FLUSH_INTERVAL \
+  3600  // Inputs that gave new coverage will be dumped every FLUSH_INTERVAL
+        // seconds
+
+afl_state_t *global_afl;
+
+typedef struct trigger {
+
+  char * id;
+  int    dest;
+  char * term;
+  size_t term_len;
+
+} trigger;
+
+typedef struct state {
+
+  int      state_name;   // Integer State name
+  int      trigger_len;  // Number of triggers associated with this state
+  trigger *ptr;          // Pointer to beginning of the list of triggers
+
+} state;
+
+typedef struct terminal {
+
+  int    state;
+  int    trigger_idx;
+  size_t symbol_len;
+  char * symbol;
+
+} terminal;
+
+typedef struct buckethash {
+
+  int freq;
+
+} buckethash;
+
+int init_state;
+int curr_state;
+int final_state;
+int numstates;
+
+/*****************
+/ DYNAMIC ARRAY FOR WALKS
+*****************/
+
+typedef struct {
+
+  size_t    used;
+  size_t    size;
+  size_t    inputlen;
+  terminal *start;
+
+} Array;
+
+/*****************
+/ DYNAMIC ARRAY FOR STATEMAPS/RECURSION MAPS
+*****************/
+
+typedef struct {
+
+  int *  array;
+  size_t used;
+  size_t size;
+
+} IdxMap;
+
+typedef struct {
+
+  UT_array *nums;
+
+} IdxMap_new;
+
+typedef struct {
+
+  IdxMap_new *idxmap;
+  UT_array ** recurIdx;
+
+} Get_Dupes_Ret;
+
+/* Candidate Struct */
+typedef struct {
+
+  Array *     walk;
+  IdxMap_new *statemap;
+
+} Candidate;
+
+/* Splice Mutation helpers*/
+typedef struct {
+
+  Candidate *splice_cand;
+  int        idx;
+
+} SpliceCand;
+
+typedef struct {
+
+  SpliceCand *start;
+  size_t      used;
+  size_t      size;
+
+} SpliceCandArray;
+
+// Initialize dynamic array for potential splice points
+SpliceCand potential[SPLICE_CORPUS];
+
+typedef struct {
+
+  int orig_idx;
+  int splice_idx;
+
+} intpair_t;
+
+// Initialize dynamic array for potential splice points
+// SpliceCand potential[SPLICE_CORPUS];
+// IdxMap_new* rcuridx[STATES];
+
+/* Prototypes*/
+Array *    slice(Array *, int);
+state *    create_pda(u8 *);
+Array *    gen_input(state *, Array *);
+Array *    gen_input_count(state *, Array *, int *);
+int        updatebucket(map_t, int);
+void       itoa(int, char *, int);
+void       strrreverse(char *, char *);
+void       dbg_hashmap(map_t);
+void       print_repr(Array *, char *);
+int        isSatisfied(map_t);
+char *     get_state(char *);
+Candidate *gen_candidate(Array *);
+
+Array *spliceGF(Array *, Array *, int);
+Array *performSpliceOne(Array *, IdxMap_new *, Array *);
+/* Mutation Methods*/
+Array *    performRandomMutation(state *, Array *);
+Array *    performRandomMutationCount(state *, Array *, int *);
+Array *    performSpliceMutationBench(state *, Array *, Candidate **);
+UT_array **get_dupes(Array *, int *);
+Array *    doMult(Array *, UT_array **, int);
+Array *    doMultBench(Array *, UT_array **, int);
+
+/* Benchmarks*/
+void SpaceBenchmark(char *);
+void GenInputBenchmark(char *, char *);
+void RandomMutationBenchmark(char *, char *);
+void MutationAggrBenchmark(char *, char *);
+void SpliceMutationBenchmark(char *, char *);
+void SpliceMutationBenchmarkOne(char *, char *);
+void RandomRecursiveBenchmark(char *, char *);
+
+/* Testers */
+void SanityCheck(char *);
+
+/*Helpers*/
+void   initArray(Array *, size_t);
+void   insertArray(Array *, int, char *, size_t, int);
+void   freeArray(Array *);
+void   initArrayIdx(IdxMap *, size_t);
+void   insertArrayIdx(IdxMap *, int);
+void   freeArrayIdx(IdxMap *);
+void   initArraySplice(SpliceCandArray *, size_t);
+void   insertArraySplice(SpliceCandArray *, Candidate *, int);
+void   freeArraySplice(IdxMap *);
+void   getTwoIndices(UT_array *, int, int *, int *);
+void   swap(int *, int *);
+Array *slice_inverse(Array *, int);
+void   concatPrefixFeature(Array *, Array *);
+void   concatPrefixFeatureBench(Array *, Array *);
+Array *carve(Array *, int, int);
+int    fact(int);
+
+void                add_to_corpus(struct json_object *, Array *);
+struct json_object *term_to_json(terminal *);
+
+/* Gramatron specific prototypes */
+u8 *   unparse_walk(Array *);
+Array *performSpliceGF(state *, Array *, afl_state_t *);
+void   dump_input(u8 *, char *, int *);
+void   write_input(Array *, u8 *);
+Array *read_input(state *, u8 *);
+state *pda;
+
+// // AFL-specific struct
+// typedef uint8_t  u8;
+// typedef uint16_t u16;
+// typedef uint32_t u32;
+// #ifdef __x86_64__
+// typedef unsigned long long u64;
+// #else
+// typedef uint64_t u64;
+// #endif                                                    /* ^__x86_64__ */
+//
+// struct queue_entry {
+
+//   Array* walk;                           /* Pointer to the automaton walk*/
+//   u32 walk_len;                          /* Number of tokens in the input*/
+//   Candidate* cand;                     /* Preprocessed info about the
+//   candidate to allow for faster mutations*/
+//
+//   u8* fname;                          /* File name for the test case      */
+//   u32 len;                            /* Input length                     */
+//   UT_array** recur_idx;               /* Keeps track of recursive feature
+//   indices*/
+//
+//   u32 recur_len;                      /* The number of recursive features*/
+//
+//   u8  cal_failed,                     /* Calibration failed?              */
+//       trim_done,                      /* Trimmed?                         */
+//       was_fuzzed,                     /* Had any fuzzing done yet?        */
+//       passed_det,                     /* Deterministic stages passed?     */
+//       has_new_cov,                    /* Triggers new coverage?           */
+//       var_behavior,                   /* Variable behavior?               */
+//       favored,                        /* Currently favored?               */
+//       fs_redundant;                   /* Marked as redundant in the fs?   */
+//
+//   u32 bitmap_size,                    /* Number of bits set in bitmap     */
+//       exec_cksum;                     /* Checksum of the execution trace  */
+//
+//   u64 exec_us,                        /* Execution time (us)              */
+//       handicap,                       /* Number of queue cycles behind    */
+//       depth;                          /* Path depth                       */
+//
+//   u8* trace_mini;                     /* Trace bytes, if kept             */
+//   u32 tc_ref;                         /* Trace bytes ref count            */
+//
+//   struct queue_entry *next,           /* Next element, if any             */
+//                      *next_100;       /* 100 elements ahead               */
+//
+// };
+
+#endif
+

custom_mutators/gramatron/grammars/js/source.json

@@ -0,0 +1,606 @@
+{
+    "ARGLIST": [
+        "EXPR ',' ARGLIST",
+        "EXPR",
+        "EXPR ',' ARGLIST",
+        "EXPR"
+    ],
+    "ARGS": [
+        "'()'",
+        "'(' ARGLIST ')'",
+        "'()'",
+        "'(' ARGLIST ')'"
+    ],
+    "ARITHMETICOPERATION": [
+        "EXPR '/' EXPR",
+        "EXPR '*' EXPR",
+        "EXPR '+' EXPR",
+        "EXPR '-' EXPR",
+        "EXPR '%' EXPR",
+        "EXPR '**' EXPR",
+        "EXPR '++'"
+    ],
+    "ARRAY": [
+        "'[' ARRAYCONTENT ']'",
+        "'[]'"
+    ],
+    "ARRAYCONTENT": [
+        "EXPR ',' ARRAYCONTENT",
+        "EXPR"
+    ],
+    "BOOLEAN": [
+        "'true'",
+        "'false'"
+    ],
+    "BYTEWISEOPERATION": [
+        "EXPR '&' EXPR",
+        "EXPR '|' EXPR"
+    ],
+    "COMPARISONOPERATION": [
+        "EXPR '<' EXPR"
+    ],
+    "DECIMALDIGITS": [
+        "'20'",
+        "'1234'",
+        "'66'",
+        "'234_9'",
+        "'99999999999999999999'"
+    ],
+    "DECIMALNUMBER": [
+        "DECIMALDIGITS"
+    ],
+    "EXPR": [
+        "'(' EXPR ')'",
+        "VAR",
+        "'delete' SP EXPR",
+        "'new' SP IDENTIFIER ARGS",
+        "LITERAL",
+        "IDENTIFIER",
+        "METHODCALL",
+        "'(' ARITHMETICOPERATION ')'",
+        "'(' COMPARISONOPERATION ')'",
+        "'(' BYTEWISEOPERATION ')'",
+        "'(' LOGICALOPERATION ')'"
+    ],
+    "IDENTIFIER": [
+        "'Object'",
+        "VAR",
+        "'Function'",
+        "'main'",
+        "'opt'",
+        "'Boolean'",
+        "'Symbol'",
+        "'JSON'",
+        "'Error'",
+        "'EvalError'",
+        "'RangeError'",
+        "'ReferenceError'",
+        "'SyntaxError'",
+        "'TypeError'",
+        "'URIError'",
+        "'this'",
+        "'Number'",
+        "'Math'",
+        "'Date'",
+        "'String'",
+        "'RegExp'",
+        "'Array'",
+        "'Int8Array'",
+        "'Uint8Array'",
+        "'Uint8ClampedArray'",
+        "'Int16Array'",
+        "'Uint16Array'",
+        "'Int32Array'",
+        "'Uint32Array'",
+        "'Float32Array'",
+        "'Float64Array'",
+        "'DataView'",
+        "'ArrayBuffer'",
+        "'Map'",
+        "'Set'",
+        "'WeakMap'",
+        "'WeakSet'",
+        "'Promise'",
+        "'AsyncFunction'",
+        "'asyncGenerator'",
+        "'Reflect'",
+        "'Proxy'",
+        "'Intl'",
+        "'Intl.Collator'",
+        "'Intl.DateTimeFormat'",
+        "'Intl.NumberFormat'",
+        "'Intl.PluralRules'",
+        "'WebAssembly'",
+        "'WebAssembly.Module'",
+        "'WebAssembly.Instance'",
+        "'WebAssembly.Memory'",
+        "'WebAssembly.Table'",
+        "'WebAssembly.CompileError'",
+        "'WebAssembly.LinkError'",
+        "'WebAssembly.RuntimeError'",
+        "'arguments'",
+        "'Infinity'",
+        "'NaN'",
+        "'undefined'",
+        "'null'",
+        "'console'",
+        "' '"
+    ],
+    "IDENTIFIERLIST": [
+        "IDENTIFIER ',' IDENTIFIERLIST",
+        "'(' IDENTIFIERLIST '),' IDENTIFIERLIST",
+        "IDENTIFIER"
+    ],
+    "JSBLOCK": [
+        "JSSTATEMENT",
+        "JSSTATEMENT JSBLOCK"
+    ],
+    "JSSTATEMENT": [
+        "STATEMENT NEWLINE"
+    ],
+    "LITERAL": [
+        "'null'",
+        "BOOLEAN",
+        "NUMBER",
+        "ARRAY"
+    ],
+    "LOGICALOPERATION": [
+        "EXPR '&&' EXPR",
+        "EXPR '||' EXPR"
+    ],
+    "METHODCALL": [
+        "OBJECT PROPERTY METHODCALL1"
+    ],
+    "METHODCALL1": [
+        "'.' METHOD_NAME ARGS METHODCALL1",
+        "' '"
+    ],
+    "METHOD_NAME": [
+        "IDENTIFIER",
+        "'print'",
+        "'eval'",
+        "'uneval'",
+        "'isFinite'",
+        "'isNaN'",
+        "'parseFloat'",
+        "'parseInt'",
+        "'decodeURI'",
+        "'decodeURIComponent'",
+        "'encodeURI'",
+        "'encodeURIComponent'",
+        "'escape'",
+        "'unescape'",
+        "'assign'",
+        "'create'",
+        "'defineProperty'",
+        "'defineProperties'",
+        "'entries'",
+        "'freeze'",
+        "'getOwnPropertyDescriptor'",
+        "'getOwnPropertyDescriptors'",
+        "'getOwnPropertyNames'",
+        "'getOwnPropertySymbols'",
+        "'getPrototypeOf'",
+        "'is'",
+        "'isExtensible'",
+        "'isFrozen'",
+        "'isSealed'",
+        "'keys'",
+        "'preventExtensions'",
+        "'seal'",
+        "'setPrototypeOf'",
+        "'values'",
+        "'__defineGetter__'",
+        "'__defineSetter__'",
+        "'__lookupGetter__'",
+        "'__lookupSetter__'",
+        "'hasOwnProperty'",
+        "'isPrototypeOf'",
+        "'propertyIsEnumerable'",
+        "'toSource'",
+        "'toLocaleString'",
+        "'toString'",
+        "'unwatch'",
+        "'valueOf'",
+        "'watch'",
+        "'apply'",
+        "'bind'",
+        "'call'",
+        "'isGenerator'",
+        "'valueOf'",
+        "'for'",
+        "'keyFor'",
+        "'stringify'",
+        "'isInteger'",
+        "'isSafeInteger'",
+        "'toInteger'",
+        "'toExponential'",
+        "'toFixed'",
+        "'toLocaleString'",
+        "'toPrecision'",
+        "'abs'",
+        "'acos'",
+        "'acosh'",
+        "'asin'",
+        "'asinh'",
+        "'atan'",
+        "'atanh'",
+        "'atan2'",
+        "'cbrt'",
+        "'ceil'",
+        "'clz32'",
+        "'cos'",
+        "'cosh'",
+        "'exp'",
+        "'expm1'",
+        "'floor'",
+        "'fround'",
+        "'hypot'",
+        "'imul'",
+        "'log'",
+        "'log1p'",
+        "'log10'",
+        "'log2'",
+        "'max'",
+        "'min'",
+        "'pow'",
+        "'random'",
+        "'round'",
+        "'sign'",
+        "'sin'",
+        "'sinh'",
+        "'sqrt'",
+        "'tan'",
+        "'tanh'",
+        "'trunc'",
+        "'now'",
+        "'parse'",
+        "'UTC'",
+        "'getDate'",
+        "'getDay'",
+        "'getFullYear'",
+        "'getHours'",
+        "'getMilliseconds'",
+        "'getMinutes'",
+        "'getMonth'",
+        "'getSeconds'",
+        "'getTime'",
+        "'getTimezoneOffset'",
+        "'getUTCDate'",
+        "'getUTCDay'",
+        "'getUTCFullYear'",
+        "'getUTCHours'",
+        "'getUTCMilliseconds'",
+        "'getUTCMinutes'",
+        "'getUTCMonth'",
+        "'getUTCSeconds'",
+        "'getYear'",
+        "'setDate'",
+        "'setFullYear'",
+        "'setHours'",
+        "'setMilliseconds'",
+        "'setMinutes'",
+        "'setMonth'",
+        "'setSeconds'",
+        "'setTime'",
+        "'setUTCDate'",
+        "'setUTCFullYear'",
+        "'setUTCHours'",
+        "'setUTCMilliseconds'",
+        "'setUTCMinutes'",
+        "'setUTCMonth'",
+        "'setUTCSeconds'",
+        "'setYear'",
+        "'toDateString'",
+        "'toISOString'",
+        "'toJSON'",
+        "'toGMTString'",
+        "'toLocaleDateString'",
+        "'toLocaleFormat'",
+        "'toLocaleString'",
+        "'toLocaleTimeString'",
+        "'toTimeString'",
+        "'toUTCString'",
+        "'indexOf'",
+        "'substring'",
+        "'charAt'",
+        "'strcmp'",
+        "'fromCharCode'",
+        "'fromCodePoint'",
+        "'raw'",
+        "'charCodeAt'",
+        "'slice'",
+        "'codePointAt'",
+        "'concat'",
+        "'includes'",
+        "'endsWith'",
+        "'lastIndexOf'",
+        "'localeCompare'",
+        "'match'",
+        "'normalize'",
+        "'padEnd'",
+        "'padStart'",
+        "'quote'",
+        "'repeat'",
+        "'replace'",
+        "'search'",
+        "'split'",
+        "'startsWith'",
+        "'substr'",
+        "'toLocaleLowerCase'",
+        "'toLocaleUpperCase'",
+        "'toLowerCase'",
+        "'toUpperCase'",
+        "'trim'",
+        "'trimleft'",
+        "'trimright'",
+        "'anchor'",
+        "'big'",
+        "'blink'",
+        "'bold'",
+        "'fixed'",
+        "'fontcolor'",
+        "'fontsize'",
+        "'italics'",
+        "'link'",
+        "'small'",
+        "'strike'",
+        "'sub'",
+        "'sup'",
+        "'compile'",
+        "'exec'",
+        "'test'",
+        "'from'",
+        "'isArray'",
+        "'of'",
+        "'copyWithin'",
+        "'fill'",
+        "'pop'",
+        "'push'",
+        "'reverse'",
+        "'shift'",
+        "'sort'",
+        "'splice'",
+        "'unshift'",
+        "'concat'",
+        "'join'",
+        "'every'",
+        "'filter'",
+        "'findIndex'",
+        "'forEach'",
+        "'map'",
+        "'reduce'",
+        "'reduceRight'",
+        "'some'",
+        "'move'",
+        "'getInt8'",
+        "'getUint8'",
+        "'getInt16'",
+        "'getUint16'",
+        "'getInt32'",
+        "'getUint32'",
+        "'getFloat32'",
+        "'getFloat64'",
+        "'setInt8'",
+        "'setUint8'",
+        "'setInt16'",
+        "'setUint16'",
+        "'setInt32'",
+        "'setUint32'",
+        "'setFloat32'",
+        "'setFloat64'",
+        "'isView'",
+        "'transfer'",
+        "'clear'",
+        "'get'",
+        "'has'",
+        "'set'",
+        "'add'",
+        "'splat'",
+        "'check'",
+        "'extractLane'",
+        "'replaceLane'",
+        "'load'",
+        "'load1'",
+        "'load2'",
+        "'load3'",
+        "'store'",
+        "'store1'",
+        "'store2'",
+        "'store3'",
+        "'addSaturate'",
+        "'div'",
+        "'mul'",
+        "'neg'",
+        "'reciprocalApproximation'",
+        "'reciprocalSqrtApproximation'",
+        "'subSaturate'",
+        "'shuffle'",
+        "'swizzle'",
+        "'maxNum'",
+        "'minNum'",
+        "'select'",
+        "'equal'",
+        "'notEqual'",
+        "'lessThan'",
+        "'lessThanOrEqual'",
+        "'greaterThan'",
+        "'greaterThanOrEqual'",
+        "'and'",
+        "'or'",
+        "'xor'",
+        "'not'",
+        "'shiftLeftByScalar'",
+        "'shiftRightByScalar'",
+        "'allTrue'",
+        "'anyTrue'",
+        "'fromFloat32x4'",
+        "'fromFloat32x4Bits'",
+        "'fromFloat64x2Bits'",
+        "'fromInt32x4'",
+        "'fromInt32x4Bits'",
+        "'fromInt16x8Bits'",
+        "'fromInt8x16Bits'",
+        "'fromUint32x4'",
+        "'fromUint32x4Bits'",
+        "'fromUint16x8Bits'",
+        "'fromUint8x16Bits'",
+        "'neg'",
+        "'compareExchange'",
+        "'exchange'",
+        "'wait'",
+        "'wake'",
+        "'isLockFree'",
+        "'all'",
+        "'race'",
+        "'reject'",
+        "'resolve'",
+        "'catch'",
+        "'then'",
+        "'finally'",
+        "'next'",
+        "'throw'",
+        "'close'",
+        "'send'",
+        "'apply'",
+        "'construct'",
+        "'deleteProperty'",
+        "'ownKeys'",
+        "'getCanonicalLocales'",
+        "'supportedLocalesOf'",
+        "'resolvedOptions'",
+        "'formatToParts'",
+        "'resolvedOptions'",
+        "'instantiate'",
+        "'instantiateStreaming'",
+        "'compileStreaming'",
+        "'validate'",
+        "'customSections'",
+        "'exports'",
+        "'imports'",
+        "'grow'",
+        "'super'",
+        "'in'",
+        "'instanceof'",
+        "' '"
+    ],
+    "NEWLINE": [
+        "'\\n'"
+    ],
+    "NUMBER": [
+        "'1/2'",
+        "'1E2'",
+        "'1E02'",
+        "'1E+02'",
+        "'-1'",
+        "'-1.00'",
+        "'-1/2'",
+        "'-1E2'",
+        "'-1E02'",
+        "'-1E+02'",
+        "'1/0'",
+        "'0/0'",
+        "'-2147483648/-1'",
+        "'-9223372036854775808/-1'",
+        "'-0'",
+        "'-0.0'",
+        "'+0'"
+    ],
+    "OBJECT": [
+        "IDENTIFIER"
+    ],
+    "PROGRAM": [
+        "JSBLOCK"
+    ],
+    "PROPERTY": [
+        "'.length' PROPERTY",
+        "'.prototype' PROPERTY",
+        "'.constructor' PROPERTY",
+        "'.__proto__' PROPERTY",
+        "'.__noSuchMethod__' PROPERTY",
+        "'.__count__' PROPERTY",
+        "'.__parent__' PROPERTY",
+        "'.arguments' PROPERTY",
+        "'.arity' PROPERTY",
+        "'.caller' PROPERTY",
+        "'.name' PROPERTY",
+        "'.displayName' PROPERTY",
+        "'.iterator' PROPERTY",
+        "'.asyncIterator' PROPERTY",
+        "'.match' PROPERTY",
+        "'.replace' PROPERTY",
+        "'.search' PROPERTY",
+        "'.split' PROPERTY",
+        "'.hasInstance' PROPERTY",
+        "'.isConcatSpreadable' PROPERTY",
+        "'.unscopables' PROPERTY",
+        "'.species' PROPERTY",
+        "'.toPrimitive' PROPERTY",
+        "'.toStringTag' PROPERTY",
+        "'.fileName' PROPERTY",
+        "'.lineNumber' PROPERTY",
+        "'.columnNumber' PROPERTY",
+        "'.message' PROPERTY",
+        "'.name' PROPERTY",
+        "'.EPSILON' PROPERTY",
+        "'.MAX_SAFE_INTEGER' PROPERTY",
+        "'.MAX_VALUE' PROPERTY",
+        "'.MIN_SAFE_INTEGER' PROPERTY",
+        "'.MIN_VALUE' PROPERTY",
+        "'.NaN' PROPERTY",
+        "'.NEGATIVE_INFINITY' PROPERTY",
+        "'.POSITIVE_INFINITY' PROPERTY",
+        "'.E' PROPERTY",
+        "'.LN2' PROPERTY",
+        "'.LN10' PROPERTY",
+        "'.LOG2E' PROPERTY",
+        "'.LOG10E' PROPERTY",
+        "'.PI' PROPERTY",
+        "'.SQRT1_2' PROPERTY",
+        "'.SQRT2' PROPERTY",
+        "'.flags' PROPERTY",
+        "'.global' PROPERTY",
+        "'.ignoreCase' PROPERTY",
+        "'.multiline' PROPERTY",
+        "'.source' PROPERTY",
+        "'.sticky' PROPERTY",
+        "'.unicode' PROPERTY",
+        "'.buffer' PROPERTY",
+        "'.byteLength' PROPERTY",
+        "'.byteOffset' PROPERTY",
+        "'.BYTES_PER_ELEMENT' PROPERTY",
+        "'.compare' PROPERTY",
+        "'.format' PROPERTY",
+        "'.callee' PROPERTY",
+        "'.caller' PROPERTY",
+        "'.memory' PROPERTY",
+        "'.exports' PROPERTY",
+        "' '"
+    ],
+    "SP": [
+        "' '"
+    ],
+    "STATEMENT": [
+        "EXPR ';'",
+        "'var' SP VAR '=' EXPR ';'",
+        "'let' SP VAR '=' EXPR ';'",
+        "VAR '=' EXPR ';'",
+        "VAR PROPERTY '=' EXPR ';'",
+        "VAR '[' DECIMALNUMBER ']' '=' EXPR ';'",
+        "'const' SP VAR '=' EXPR ';'",
+        "'typeof' SP EXPR ';'",
+        "'void' SP EXPR ';'",
+        "'return' SP EXPR ';'",
+        "VAR ':'"
+    ],
+    "VAR": [
+        "'a'",
+        "'b'",
+        "'c'",
+        "'d'",
+        "'e'",
+        "'f'",
+        "'g'",
+        "'h'"
+    ]
+}