diff options
Diffstat (limited to 'instrumentation/afl-llvm-dict2file.so.cc')
| -rw-r--r-- | instrumentation/afl-llvm-dict2file.so.cc | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/instrumentation/afl-llvm-dict2file.so.cc b/instrumentation/afl-llvm-dict2file.so.cc index 7c04c0c5..bf07a154 100644 --- a/instrumentation/afl-llvm-dict2file.so.cc +++ b/instrumentation/afl-llvm-dict2file.so.cc @@ -291,7 +291,6 @@ bool AFLdict2filePass::runOnModule(Module &M) { bool isIntMemcpy = true; bool isStdString = true; bool isStrstr = true; - bool addedNull = false; size_t optLen = 0; Function *Callee = callInst->getCalledFunction(); @@ -590,8 +589,8 @@ bool AFLdict2filePass::runOnModule(Module &M) { if (optLen < 2) { continue; } if (literalLength + 1 == optLen) { // add null byte + thestring.append("\0", 1); - addedNull = true; } @@ -603,14 +602,17 @@ bool AFLdict2filePass::runOnModule(Module &M) { // was not already added if (!isMemcmp) { - if (addedNull == false && thestring[optLen - 1] != '\0') { + /* + if (addedNull == false && thestring[optLen - 1] != '\0') + { - thestring.append("\0", 1); // add null byte - optLen++; + thestring.append("\0", 1); // add null byte + optLen++; - } + } - if (!isStdString) { + */ + if (!isStdString && thestring.find('\0', 0) != std::string::npos) { // ensure we do not have garbage size_t offset = thestring.find('\0', 0); |