Merge branch 'master' of github.com:vanhauser-thc/AFLplusplus

.gitmodules

@@ -1,3 +0,0 @@
-[submodule "unicorn_mode/unicorn"]
-	path = unicorn_mode/unicorn
-	url = https://github.com/vanhauser-thc/unicorn.git

Makefile

@@ -310,7 +310,7 @@ all_done: test_build
 .NOTPARALLEL: clean
 
 clean:
-	rm -f $(PROGS) libradamsa.so 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 qemu_mode/qemu-3.1.1.tar.xz afl-qemu-trace afl-gcc-fast afl-gcc-pass.so afl-gcc-rt.o afl-g++-fast *.so *.8
+	rm -f $(PROGS) libradamsa.so afl-fuzz-document afl-as as afl-g++ afl-clang afl-clang++ *.o src/*.o *~ a.out core core.[1-9][0-9]* *.stackdump .test .test1 .test2 test-instr .test-instr0 .test-instr1 qemu_mode/qemu-3.1.1.tar.xz afl-qemu-trace afl-gcc-fast afl-gcc-pass.so afl-gcc-rt.o afl-g++-fast *.so *.8
 	rm -rf out_dir qemu_mode/qemu-3.1.1 *.dSYM */*.dSYM
 	-$(MAKE) -C llvm_mode clean
 	-$(MAKE) -C gcc_plugin clean
@@ -319,7 +319,7 @@ clean:
 	$(MAKE) -C qemu_mode/unsigaction clean
 	$(MAKE) -C qemu_mode/libcompcov clean
 	$(MAKE) -C src/third_party/libradamsa/ clean
-	$(MAKE) -C unicorn_mode/unicorn clean
+	-$(MAKE) -C unicorn_mode/unicorn clean
 
 distrib: all radamsa
 	-$(MAKE) -C llvm_mode

README.md

@@ -2,9 +2,9 @@
 
   ![Travis State](https://api.travis-ci.com/vanhauser-thc/AFLplusplus.svg?branch=master)
 
-  Release Version: 2.58c 
+  Release Version: 2.59c 
 
-  Github Version: 2.58d
+  Github Version: 2.59d
 
   includes all necessary/interesting changes from Google's afl 2.56b
 

docs/ChangeLog

@@ -13,9 +13,17 @@ Want to stay in the loop on major new features? Join our mailing list by
 sending a mail to <afl-users+subscribe@googlegroups.com>.
 
 
-----------------------
-Version ++2.58d (dev):
-----------------------
+--------------------------
+Version ++2.59d (develop):
+--------------------------
+
+  - your patch? :-)
+
+
+
+--------------------------
+Version ++2.59c (release):
+--------------------------
 
   - qbdi_mode: fuzz android native libraries via QBDI framework
   - unicorn_mode: switched to the new unicornafl, thanks domenukk

include/config.h

@@ -26,7 +26,7 @@
 
 /* Version string: */
 
-#define VERSION "++2.58d"  // c = release, d = volatile github dev
+#define VERSION "++2.59d"  // c = release, d = volatile github dev
 
 /******************************************************
  *                                                    *

llvm_mode/afl-clang-fast.c

@@ -358,7 +358,7 @@ static void edit_params(u32 argc, char** argv) {
 
     }
 
-//#ifndef __ANDROID__ // not sure, we might need these ifdefs for Android
+    //#ifndef __ANDROID__ // not sure, we might need these ifdefs for Android
     switch (bit_mode) {
 
       case 0:
@@ -382,7 +382,8 @@ static void edit_params(u32 argc, char** argv) {
         break;
 
     }
-//#endif
+
+    //#endif
 
   }
 
@@ -443,9 +444,9 @@ int main(int argc, char** argv) {
 
   }
 
-//#ifndef __ANDROID__ // not sure this is needed for Android, so at the moment we rather keep this out
+#ifndef __ANDROID__ 
   find_obj(argv[0]);
-//#endif
+#endif
 
   edit_params(argc, argv);
 

qemu_mode/build_qemu_support.sh

@@ -243,10 +243,9 @@ else
 fi
 
 echo "[+] Building libcompcov ..."
-make -C libcompcov
+make -C libcompcov && echo "[+] libcompcov ready"
 echo "[+] Building unsigaction ..."
-make -C unsigaction
-echo "[+] libcompcov ready"
+make -C unsigaction && echo "[+] unsigaction ready"
 echo "[+] All done for qemu_mode, enjoy!"
 
 exit 0

qemu_mode/patches/afl-qemu-common.h

@@ -79,8 +79,8 @@ void afl_debug_dump_saved_regs();
 void afl_persistent_loop();
 
 void tcg_gen_afl_call0(void *func);
-void tcg_gen_afl_compcov_log_call(void *func, target_ulong cur_loc,
-                                  TCGv arg1, TCGv arg2);
+void tcg_gen_afl_compcov_log_call(void *func, target_ulong cur_loc, TCGv arg1,
+                                  TCGv arg2);
 
 void tcg_gen_afl_maybe_log_call(target_ulong cur_loc);
 

qemu_mode/patches/afl-qemu-tcg-inl.h

@@ -376,8 +376,8 @@ void tcg_gen_afl_call0(void *func) {
 
 }
 
-void tcg_gen_afl_compcov_log_call(void *func, target_ulong cur_loc,
-                                  TCGv arg1, TCGv arg2) {
+void tcg_gen_afl_compcov_log_call(void *func, target_ulong cur_loc, TCGv arg1,
+                                  TCGv arg2) {
 
   int      i, real_args, nb_rets, pi;
   unsigned sizemask, flags;

src/afl-fuzz-bitmap.c

@@ -692,6 +692,7 @@ u8 save_if_interesting(char** argv, void* mem, u32 len, u8 fault) {
 #else
         WARNF("command execution unsupported");
 #endif
+
       }
 
       last_crash_time = get_cur_time();

src/afl-fuzz-init.c

@@ -1905,9 +1905,10 @@ void check_binary(u8* fname) {
 #else
 
 #if !defined(__arm__) && !defined(__arm64__)
-  if ((f_data[0] != 0xCF || f_data[1] != 0xFA || f_data[2] != 0xED) 
-          && (f_data[0] != 0xCA || f_data[1] != 0xFE || f_data[2] != 0xBA))
-    FATAL("Program '%s' is not a 64-bit or universal Mach-O binary", target_path);
+  if ((f_data[0] != 0xCF || f_data[1] != 0xFA || f_data[2] != 0xED) &&
+      (f_data[0] != 0xCA || f_data[1] != 0xFE || f_data[2] != 0xBA))
+    FATAL("Program '%s' is not a 64-bit or universal Mach-O binary",
+          target_path);
 #endif
 
 #endif                                                       /* ^!__APPLE__ */

unicorn_mode/build_unicorn_support.sh

@@ -89,7 +89,7 @@ if [ "$PLT" = "NetBSD" ] || [ "$PLT" = "OpenBSD" ]; then
   TARCMD=gtar
 fi
 
-for i in wget $PYTHONBIN automake autoconf $MAKECMD $TARCMD; do
+for i in wget $PYTHONBIN automake autoconf git $MAKECMD $TARCMD; do
 
   T=`which "$i" 2>/dev/null`
 
@@ -124,8 +124,10 @@ fi
 echo "[+] All checks passed!"
 
 echo "[*] Making sure unicornafl is checked out"
-git submodule init || exit 1
-git submodule update || exit 1
+rm -rf unicorn # workaround for travis ... sadly ...
+#test -d unicorn && { cd unicorn && { git stash ; git pull ; cd .. ; } }
+test -d unicorn || git clone https://github.com/vanhauser-thc/unicorn
+test -d unicorn || { echo "[-] not checked out, please install git or check your internet connection." ; exit 1 ; }
 echo "[+] Got unicornafl."
 
 echo "[*] making sure config.h matches"

unicorn_mode/samples/compcov_x64/compcov_test_harness.py

@@ -59,35 +59,17 @@ def unicorn_debug_mem_invalid_access(uc, access, address, size, value, user_data
     else:
         print("        >>> INVALID Read: addr=0x{0:016x} size={1}".format(address, size))   
 
-def force_crash(uc_error):
-    # This function should be called to indicate to AFL that a crash occurred during emulation.
-    # Pass in the exception received from Uc.emu_start()
-    mem_errors = [
-        UC_ERR_READ_UNMAPPED, UC_ERR_READ_PROT, UC_ERR_READ_UNALIGNED,
-        UC_ERR_WRITE_UNMAPPED, UC_ERR_WRITE_PROT, UC_ERR_WRITE_UNALIGNED,
-        UC_ERR_FETCH_UNMAPPED, UC_ERR_FETCH_PROT, UC_ERR_FETCH_UNALIGNED,
-    ]
-    if uc_error.errno in mem_errors:
-        # Memory error - throw SIGSEGV
-        os.kill(os.getpid(), signal.SIGSEGV)
-    elif uc_error.errno == UC_ERR_INSN_INVALID:
-        # Invalid instruction - throw SIGILL
-        os.kill(os.getpid(), signal.SIGILL)
-    else:
-        # Not sure what happened - throw SIGABRT
-        os.kill(os.getpid(), signal.SIGABRT)
-
 def main():
 
     parser = argparse.ArgumentParser(description="Test harness for compcov_target.bin")
     parser.add_argument('input_file', type=str, help="Path to the file containing the mutated input to load")
-    parser.add_argument('-d', '--debug', default=False, action="store_true", help="Enables debug tracing")
+    parser.add_argument('-t', '--trace', default=False, action="store_true", help="Enables debug tracing")
     args = parser.parse_args()
 
     # Instantiate a MIPS32 big endian Unicorn Engine instance
     uc = Uc(UC_ARCH_X86, UC_MODE_64)
 
-    if args.debug:
+    if args.trace:
         uc.hook_add(UC_HOOK_BLOCK, unicorn_debug_block)
         uc.hook_add(UC_HOOK_CODE, unicorn_debug_instruction)
         uc.hook_add(UC_HOOK_MEM_WRITE | UC_HOOK_MEM_READ, unicorn_debug_mem_access)
@@ -132,11 +114,6 @@ def main():
         """
         Callback that loads the mutated input into memory.
         """
-        # Load the mutated input from disk
-        input_file = open(args.input_file, 'rb')
-        input = input_file.read()
-        input_file.close()
-
         # Apply constraints to the mutated input
         if len(input) > DATA_SIZE_MAX:
             return

unicorn_mode/samples/simple/simple_test_harness.py

@@ -5,8 +5,8 @@
    This loads the simple_target.bin binary (precompiled as MIPS code) into
    Unicorn's memory map for emulation, places the specified input into
    simple_target's buffer (hardcoded to be at 0x300000), and executes 'main()'.
-   If any crashes occur during emulation, this script throws a matching signal
-   to tell AFL that a crash occurred.
+   If any crashes occur during emulation, unicornafl will 
+   tell AFL that a crash occurred.
 
    Run under AFL as follows:
 
@@ -59,35 +59,17 @@ def unicorn_debug_mem_invalid_access(uc, access, address, size, value, user_data
     else:
         print("        >>> INVALID Read: addr=0x{0:016x} size={1}".format(address, size))   
 
-def force_crash(uc_error):
-    # This function should be called to indicate to AFL that a crash occurred during emulation.
-    # Pass in the exception received from Uc.emu_start()
-    mem_errors = [
-        UC_ERR_READ_UNMAPPED, UC_ERR_READ_PROT, UC_ERR_READ_UNALIGNED,
-        UC_ERR_WRITE_UNMAPPED, UC_ERR_WRITE_PROT, UC_ERR_WRITE_UNALIGNED,
-        UC_ERR_FETCH_UNMAPPED, UC_ERR_FETCH_PROT, UC_ERR_FETCH_UNALIGNED,
-    ]
-    if uc_error.errno in mem_errors:
-        # Memory error - throw SIGSEGV
-        os.kill(os.getpid(), signal.SIGSEGV)
-    elif uc_error.errno == UC_ERR_INSN_INVALID:
-        # Invalid instruction - throw SIGILL
-        os.kill(os.getpid(), signal.SIGILL)
-    else:
-        # Not sure what happened - throw SIGABRT
-        os.kill(os.getpid(), signal.SIGABRT)
-
 def main():
 
     parser = argparse.ArgumentParser(description="Test harness for simple_target.bin")
     parser.add_argument('input_file', type=str, help="Path to the file containing the mutated input to load")
-    parser.add_argument('-d', '--debug', default=False, action="store_true", help="Enables debug tracing")
+    parser.add_argument('-t', '--trace', default=False, action="store_true", help="Enables debug tracing")
     args = parser.parse_args()
 
     # Instantiate a MIPS32 big endian Unicorn Engine instance
     uc = Uc(UC_ARCH_MIPS, UC_MODE_MIPS32 + UC_MODE_BIG_ENDIAN)
 
-    if args.debug:
+    if args.trace:
         uc.hook_add(UC_HOOK_BLOCK, unicorn_debug_block)
         uc.hook_add(UC_HOOK_CODE, unicorn_debug_instruction)
         uc.hook_add(UC_HOOK_MEM_WRITE | UC_HOOK_MEM_READ, unicorn_debug_mem_access)
@@ -129,11 +111,6 @@ def main():
     # We did not pass in any data and don't use persistent mode, so we can ignore these params.
     # Be sure to check out the docstrings for the uc.afl_* functions.
     def place_input_callback(uc, input, persistent_round, data):
-        # Load the mutated input from disk
-        input_file = open(args.input_file, 'rb')
-        input = input_file.read()
-        input_file.close()
-
         # Apply constraints to the mutated input
         if len(input) > DATA_SIZE_MAX:
             #print("Test input is too long (> {} bytes)")

unicorn_mode/unicorn

@@ -1 +1 @@
-Subproject commit aa5ebf5e16f4f5781cfe94229b41eee7ff93b357
+Subproject commit db248c8d8167e47ee07943961d1ce6244d57602b