diff options
| author | van Hauser <vh@thc.org> | 2019-08-01 15:44:10 +0200 |
|---|---|---|
| committer | van Hauser <vh@thc.org> | 2019-08-01 15:44:10 +0200 |
| commit | af823d6486f9848ee8844f23ed3baf27da45a107 (patch) | |
| tree | 01b6b4e123d208a5dab9144f98c48daf613107eb | |
| parent | 487a87df02c20784bb4ef272954300dd18c04d9a (diff) | |
| download | afl++-af823d6486f9848ee8844f23ed3baf27da45a107.tar.gz | |
map size fixes
| -rw-r--r-- | docs/ChangeLog | 1 | ||||
| -rw-r--r-- | llvm_mode/LLVMInsTrim.so.cc | 8 | ||||
| -rw-r--r-- | qemu_mode/patches/afl-qemu-cpu-inl.h | 2 |
3 files changed, 5 insertions, 6 deletions
diff --git a/docs/ChangeLog b/docs/ChangeLog index dc1a3478..5e78610e 100644 --- a/docs/ChangeLog +++ b/docs/ChangeLog @@ -18,6 +18,7 @@ Version ++2.53d (dev): ---------------------- - custom mutator by a loaded library is now supported (thanks to kyakdan!) + - fix for a few features to support different map sized than 2^16 - afl-showmap: new option -r now shows the real values in the buckets (stock afl never did), plus shows tuple content summary information now - fix building on *BSD (thanks to tobias.kortkamp for the patch) diff --git a/llvm_mode/LLVMInsTrim.so.cc b/llvm_mode/LLVMInsTrim.so.cc index 81cf98c4..148f94c3 100644 --- a/llvm_mode/LLVMInsTrim.so.cc +++ b/llvm_mode/LLVMInsTrim.so.cc @@ -46,15 +46,13 @@ namespace { std::mt19937 generator; int total_instr = 0; - unsigned genLabel() { - return generator() % 65536; + unsigned int genLabel() { + return generator() &= MAP_SIZE - 1; } public: static char ID; - InsTrim() : ModulePass(ID), generator(0) {//} - -// AFLCoverage() : ModulePass(ID) { + InsTrim() : ModulePass(ID), generator(0) { char* instWhiteListFilename = getenv("AFL_LLVM_WHITELIST"); if (instWhiteListFilename) { std::string line; diff --git a/qemu_mode/patches/afl-qemu-cpu-inl.h b/qemu_mode/patches/afl-qemu-cpu-inl.h index 03951fea..86203a5b 100644 --- a/qemu_mode/patches/afl-qemu-cpu-inl.h +++ b/qemu_mode/patches/afl-qemu-cpu-inl.h @@ -57,7 +57,7 @@ /* This is equivalent to afl-as.h: */ -static unsigned char dummy[65536]; /* costs 64kb but saves a few instructions */ +static unsigned char dummy[MAP_SIZE]; /* costs MAP_SIZE but saves a few instructions */ unsigned char *afl_area_ptr = dummy; /* Exported for afl_gen_trace */ /* Exported variables populated by the code patched into elfload.c: */ |