diff options
Diffstat (limited to 'llvm_mode/LLVMInsTrim.so.cc')
| -rw-r--r-- | llvm_mode/LLVMInsTrim.so.cc | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/llvm_mode/LLVMInsTrim.so.cc b/llvm_mode/LLVMInsTrim.so.cc index 4d8c4719..206e2682 100644 --- a/llvm_mode/LLVMInsTrim.so.cc +++ b/llvm_mode/LLVMInsTrim.so.cc @@ -94,7 +94,7 @@ struct InsTrim : public ModulePass { } -#if LLVM_VERSION_MAJOR >= 4 || \ +#if LLVM_VERSION_MAJOR > 4 || \ (LLVM_VERSION_MAJOR == 4 && LLVM_VERSION_PATCH >= 1) #define AFL_HAVE_VECTOR_INTRINSICS 1 #endif @@ -144,7 +144,7 @@ struct InsTrim : public ModulePass { #ifdef AFL_HAVE_VECTOR_INTRINSICS unsigned int ngram_size = 0; /* Decide previous location vector size (must be a power of two) */ - VectorType *PrevLocTy; + VectorType *PrevLocTy = NULL; if (ngram_size_str) if (sscanf(ngram_size_str, "%u", &ngram_size) != 1 || ngram_size < 2 || @@ -194,7 +194,7 @@ struct InsTrim : public ModulePass { new GlobalVariable(M, PointerType::get(Int8Ty, 0), false, GlobalValue::ExternalLinkage, 0, "__afl_area_ptr"); GlobalVariable *AFLPrevLoc; - GlobalVariable *AFLContext; + GlobalVariable *AFLContext = NULL; LoadInst * PrevCtx = NULL; // for CTX sensitive coverage if (ctx_str) @@ -256,6 +256,8 @@ struct InsTrim : public ModulePass { u64 total_rs = 0; u64 total_hs = 0; + scanForDangerousFunctions(&M); + for (Function &F : M) { if (debug) { |