cleanup

GNUmakefile

@@ -36,6 +36,11 @@ SH_PROGS    = afl-plot afl-cmin afl-cmin.bash afl-whatsup afl-system-config
 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 += -DNO_SPLICING
 endif
@@ -82,7 +87,7 @@ endif
 #  endif
 #endif
 
-ifneq "$(shell uname)" "Darwin"
+ifneq "$(SYS)" "Darwin"
   #ifeq "$(HAVE_MARCHNATIVE)" "1"
   #  SPECIAL_PERFORMANCE += -march=native
   #endif
@@ -92,7 +97,7 @@ ifneq "$(shell uname)" "Darwin"
   endif
 endif
 
-ifeq "$(shell uname)" "SunOS"
+ifeq "$(SYS)" "SunOS"
   CFLAGS_OPT += -Wno-format-truncation
   LDFLAGS = -lkstat -lrt
 endif
@@ -119,11 +124,10 @@ ifdef INTROSPECTION
   CFLAGS_OPT += -DINTROSPECTION=1
 endif
 
-
+ifneq "$(ARCH)" "x86_64"
-ifneq "$(shell uname -m)" "x86_64"
+ ifneq "$(patsubst i%86,i386,$(ARCH))" "i386"
- ifneq "$(patsubst i%86,i386,$(shell uname -m))" "i386"
+  ifneq "$(ARCH)" "amd64"
-  ifneq "$(shell uname -m)" "amd64"
+   ifneq "$(ARCH)" "i86pc"
-   ifneq "$(shell uname -m)" "i86pc"
 	AFL_NO_X86=1
    endif
   endif
@@ -141,27 +145,27 @@ override CFLAGS += -g -Wno-pointer-sign -Wno-variadic-macros -Wall -Wextra -Wpoi
 			  -I include/ -DAFL_PATH=\"$(HELPER_PATH)\" \
 			  -DBIN_PATH=\"$(BIN_PATH)\" -DDOC_PATH=\"$(DOC_PATH)\"
 
-ifeq "$(shell uname -s)" "FreeBSD"
+ifeq "$(SYS)" "FreeBSD"
   override CFLAGS  += -I /usr/local/include/
   LDFLAGS += -L /usr/local/lib/
 endif
 
-ifeq "$(shell uname -s)" "DragonFly"
+ifeq "$(SYS)" "DragonFly"
   override CFLAGS  += -I /usr/local/include/
   LDFLAGS += -L /usr/local/lib/
 endif
 
-ifeq "$(shell uname -s)" "OpenBSD"
+ifeq "$(SYS)" "OpenBSD"
   override CFLAGS  += -I /usr/local/include/ -mno-retpoline
   LDFLAGS += -Wl,-z,notext -L /usr/local/lib/
 endif
 
-ifeq "$(shell uname -s)" "NetBSD"
+ifeq "$(SYS)" "NetBSD"
   override CFLAGS  += -I /usr/pkg/include/
   LDFLAGS += -L /usr/pkg/lib/
 endif
 
-ifeq "$(shell uname -s)" "Haiku"
+ifeq "$(SYS)" "Haiku"
   SHMAT_OK=0
   override CFLAGS  += -DUSEMMAP=1 -Wno-error=format -fPIC
   LDFLAGS += -Wno-deprecated-declarations -lgnu
@@ -236,24 +240,24 @@ else
     BUILD_DATE ?= $(shell date "+%Y-%m-%d")
 endif
 
-ifneq "$(filter Linux GNU%,$(shell uname))" ""
+ifneq "$(filter Linux GNU%,$(SYS))" ""
  ifndef DEBUG
   override CFLAGS += -D_FORTIFY_SOURCE=2
  endif
   LDFLAGS += -ldl -lrt -lm
 endif
 
-ifneq "$(findstring FreeBSD, $(shell uname))" ""
+ifneq "$(findstring FreeBSD, $(ARCH))" ""
   override CFLAGS  += -pthread
   LDFLAGS += -lpthread
 endif
 
-ifneq "$(findstring NetBSD, $(shell uname))" ""
+ifneq "$(findstring NetBSD, $(ARCH))" ""
   override CFLAGS  += -pthread
   LDFLAGS += -lpthread
 endif
 
-ifneq "$(findstring OpenBSD, $(shell uname))" ""
+ifneq "$(findstring OpenBSD, $(ARCH))" ""
   override CFLAGS  += -pthread
   LDFLAGS += -lpthread
 endif
@@ -485,7 +489,7 @@ unit_clean:
 	@rm -f ./test/unittests/unit_preallocable ./test/unittests/unit_list ./test/unittests/unit_maybe_alloc test/unittests/*.o
 
 .PHONY: unit
-ifneq "$(shell uname)" "Darwin"
+ifneq "$(ARCH)" "Darwin"
 unit:	unit_maybe_alloc unit_preallocable unit_list unit_clean unit_rand unit_hash
 else
 unit:

GNUmakefile.gcc_plugin

@@ -41,6 +41,8 @@ CXXEFLAGS   := $(CXXFLAGS) -Wall -std=c++11
 CC          ?= gcc
 CXX         ?= g++
 
+SYS = $(shell uname -s)
+
 ifeq "clang" "$(CC)"
         CC  = gcc
         CXX = g++
@@ -75,25 +77,25 @@ ifeq "$(TEST_MMAP)" "1"
 	override CFLAGS_SAFE += -DUSEMMAP=1
 endif
 
-ifneq "$(shell uname -s)" "Haiku"
+ifneq "$(SYS)" "Haiku"
-ifneq "$(shell uname -s)" "OpenBSD"
+ifneq "$(SYS)" "OpenBSD"
   	LDFLAGS += -lrt
 endif
 else
 	CFLAGS_SAFE += -DUSEMMAP=1
 endif
 
-ifeq "$(shell uname -s)" "OpenBSD"
+ifeq "$(SYS)" "OpenBSD"
     CC  = egcc
     CXX = eg++
     PLUGIN_FLAGS += -I/usr/local/include
 endif
 
-ifeq "$(shell uname -s)" "DragonFly"
+ifeq "$(SYS)" "DragonFly"
   	PLUGIN_FLAGS += -I/usr/local/include
 endif
 
-ifeq "$(shell uname -s)" "SunOS"
+ifeq "$(SYS)" "SunOS"
   	PLUGIN_FLAGS += -I/usr/include/gmp
 endif
 

GNUmakefile.llvm

@@ -30,7 +30,9 @@ BUILD_DATE  ?= $(shell date -u -d "@$(SOURCE_DATE_EPOCH)" "+%Y-%m-%d" 2>/dev/nul
 
 VERSION     = $(shell grep '^$(HASH)define VERSION ' ./config.h | cut -d '"' -f2)
 
-ifeq "$(shell uname)" "OpenBSD"
+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"
@@ -275,13 +277,13 @@ CLANG_LFL    = `$(LLVM_CONFIG) --ldflags` $(LDFLAGS)
 
 
 # User teor2345 reports that this is required to make things work on MacOS X.
-ifeq "$(shell uname)" "Darwin"
+ifeq "$(SYS)" "Darwin"
   CLANG_LFL += -Wl,-flat_namespace -Wl,-undefined,suppress
 else
   CLANG_CPPFL += -Wl,-znodelete
 endif
 
-ifeq "$(shell uname)" "OpenBSD"
+ifeq "$(SYS)" "OpenBSD"
   CLANG_LFL += `$(LLVM_CONFIG) --libdir`/libLLVM.so
   CLANG_CPPFL += -mno-retpoline
   CFLAGS += -mno-retpoline

docs/Changelog.md

@@ -11,6 +11,8 @@ sending a mail to <afl-users+subscribe@googlegroups.com>.
 ### Version ++3.13a (development)
   - frida_mode - new mode that uses frida to fuzz binary-only targets,
     thanks to @WorksButNotTested!
+  - create a fuzzing dictionary with the help of CodeQL thanks to
+    @microsvuln! see utils/autodict_ql
   - afl-fuzz:
     - added patch by @realmadsci to support @@ as part of command line
       options, e.g. `afl-fuzz ... -- ./target --infile=@@`
@@ -20,6 +22,7 @@ sending a mail to <afl-users+subscribe@googlegroups.com>.
     - default cmplog level (-l) is now 2, better efficiency.
     - ensure one fuzzer sync per cycle
   - afl-cc:
+    - Leak Sanitizer support (AFL_USE_LSAN) added by Joshua Rogers, thanks!
     - Removed InsTrim instrumentation as it is not as good as PCGUARD
 
 ### Version ++3.12c (release)

include/android-ashmem.h

@@ -13,12 +13,14 @@
     #include <stdio.h>
     #define ASHMEM_DEVICE "/dev/ashmem"
 
-int shmdt(const void* address) {
+int shmdt(const void *address) {
-#if defined(SYS_shmdt)
+
+    #if defined(SYS_shmdt)
   return syscall(SYS_shmdt, address);
-#else
+    #else
   return syscall(SYS_ipc, SHMDT, 0, 0, 0, address, 0);
-#endif
+    #endif
+
 }
 
 int shmctl(int __shmid, int __cmd, struct shmid_ds *__buf) {
@@ -26,7 +28,7 @@ int shmctl(int __shmid, int __cmd, struct shmid_ds *__buf) {
   int ret = 0;
   if (__cmd == IPC_RMID) {
 
-    int length = ioctl(__shmid, ASHMEM_GET_SIZE, NULL);
+    int               length = ioctl(__shmid, ASHMEM_GET_SIZE, NULL);
     struct ashmem_pin pin = {0, length};
     ret = ioctl(__shmid, ASHMEM_UNPIN, &pin);
     close(__shmid);
@@ -77,6 +79,6 @@ void *shmat(int __shmid, const void *__shmaddr, int __shmflg) {
 
 }
 
-  #endif /* !_ANDROID_ASHMEM_H */
+  #endif                                              /* !_ANDROID_ASHMEM_H */
-#endif /* !__ANDROID__ */
+#endif                                                      /* !__ANDROID__ */
 

instrumentation/afl-llvm-lto-instrumentation.so.cc

@@ -176,7 +176,7 @@ bool AFLLTOPass::runOnModule(Module &M) {
 
   }
 
-  if (debug) { fprintf(stderr, "map address is 0x%lx\n", map_addr); }
+  if (debug) { fprintf(stderr, "map address is 0x%llx\n", map_addr); }
 
   /* Get/set the globals for the SHM region. */
 

src/afl-analyze.c

@@ -833,14 +833,13 @@ static void set_up_environment(char **argv) {
                          "handle_sigfpe=0:"
                          "handle_sigill=0", 0);
 
-   setenv("LSAN_OPTIONS",
+  setenv("LSAN_OPTIONS",
          "exitcode=" STRINGIFY(LSAN_ERROR) ":"
          "fast_unwind_on_malloc=0:"
          "symbolize=0:"
          "print_suppressions=0",
          0);
 
-
   if (get_afl_env("AFL_PRELOAD")) {
 
     if (qemu_mode) {

src/afl-cc.c

@@ -820,10 +820,11 @@ static void edit_params(u32 argc, char **argv, char **envp) {
   }
 
   if (getenv("AFL_USE_LSAN")) {
+
     cc_params[cc_par_cnt++] = "-fsanitize=leak";
     cc_params[cc_par_cnt++] = "-includesanitizer/lsan_interface.h";
-    cc_params[cc_par_cnt++] =
+    cc_params[cc_par_cnt++] = "-D__AFL_LEAK_CHECK()=__lsan_do_leak_check()";
-        "-D__AFL_LEAK_CHECK()=__lsan_do_leak_check()";
+
   }
 
   if (getenv("AFL_USE_CFISAN")) {

src/afl-forkserver.c

@@ -560,7 +560,7 @@ void afl_fsrv_start(afl_forkserver_t *fsrv, char **argv,
     /* LSAN, too, does not support abort_on_error=1. */
 
     if (!getenv("LSAN_OPTIONS"))
-     setenv("LSAN_OPTIONS",
+      setenv("LSAN_OPTIONS",
             "exitcode=" STRINGIFY(LSAN_ERROR) ":"
             "fast_unwind_on_malloc=0:"
             "symbolize=0:"
@@ -1314,8 +1314,9 @@ fsrv_run_result_t afl_fsrv_run_target(afl_forkserver_t *fsrv, u32 timeout,
           /* A normal crash/abort */
           (WIFSIGNALED(fsrv->child_status)) ||
           /* special handling for msan and lsan */
-          (fsrv->uses_asan && (WEXITSTATUS(fsrv->child_status) == MSAN_ERROR ||
+          (fsrv->uses_asan &&
-          WEXITSTATUS(fsrv->child_status) == LSAN_ERROR)) ||
+           (WEXITSTATUS(fsrv->child_status) == MSAN_ERROR ||
+            WEXITSTATUS(fsrv->child_status) == LSAN_ERROR)) ||
           /* the custom crash_exitcode was returned by the target */
           (fsrv->uses_crash_exitcode &&
            WEXITSTATUS(fsrv->child_status) == fsrv->crash_exitcode))) {

src/afl-fuzz-init.c

@@ -2502,7 +2502,6 @@ void check_asan_opts(afl_state_t *afl) {
 
   }
 
-
 }
 
 /* Handle stop signal (Ctrl-C, etc). */

src/afl-tmin.c

@@ -763,7 +763,7 @@ static void set_up_environment(afl_forkserver_t *fsrv, char **argv) {
                          "handle_sigfpe=0:"
                          "handle_sigill=0", 0);
 
-   setenv("LSAN_OPTIONS",
+  setenv("LSAN_OPTIONS",
          "exitcode=" STRINGIFY(LSAN_ERROR) ":"
          "fast_unwind_on_malloc=0:"
          "symbolize=0:"