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| author | Andrea Fioraldi <andreafioraldi@gmail.com> | 2019-11-11 14:36:06 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-11-11 14:36:06 +0100 |
| commit | 659db7e421b47da4b04110a141d9c20307f74ecc (patch) | |
| tree | 18f9c38cc5270adcf445a62b974712cead4a01c4 /llvm_mode/afl-llvm-pass.so.cc | |
| parent | cd84339bccc104a51a5da614a9f82cc4ae615cce (diff) | |
| parent | 01d55372441960c435af8f3bd6b61d1302042728 (diff) | |
| download | afl++-659db7e421b47da4b04110a141d9c20307f74ecc.tar.gz | |
Merge branch 'master' into radamsa
Diffstat (limited to 'llvm_mode/afl-llvm-pass.so.cc')
| -rw-r--r-- | llvm_mode/afl-llvm-pass.so.cc | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/llvm_mode/afl-llvm-pass.so.cc b/llvm_mode/afl-llvm-pass.so.cc index 3ca5ccc4..0c68136b 100644 --- a/llvm_mode/afl-llvm-pass.so.cc +++ b/llvm_mode/afl-llvm-pass.so.cc @@ -3,7 +3,7 @@ --------------------------------------------------- Written by Laszlo Szekeres <lszekeres@google.com> and - Michal Zalewski <lcamtuf@google.com> + Michal Zalewski LLVM integration design comes from Laszlo Szekeres. C bits copied-and-pasted from afl-as.c are Michal's fault. @@ -34,6 +34,7 @@ #include <list> #include <string> #include <fstream> +#include <sys/time.h> #include "llvm/IR/DebugInfo.h" #include "llvm/IR/BasicBlock.h" @@ -95,8 +96,16 @@ bool AFLCoverage::runOnModule(Module &M) { IntegerType *Int8Ty = IntegerType::getInt8Ty(C); IntegerType *Int32Ty = IntegerType::getInt32Ty(C); + struct timeval tv; + struct timezone tz; + u32 rand_seed; unsigned int cur_loc = 0; + /* Setup random() so we get Actually Random(TM) outputs from AFL_R() */ + gettimeofday(&tv, &tz); + rand_seed = tv.tv_sec ^ tv.tv_usec ^ getpid(); + AFL_SR(rand_seed); + /* Show a banner */ char be_quiet = 0; @@ -181,6 +190,8 @@ bool AFLCoverage::runOnModule(Module &M) { } + (void)instLine; + /* Continue only if we know where we actually are */ if (!instFilename.str().empty()) { |