C++ (Cpp) ApplyTraceBasedMutation示例

示例#1

文件： FuzzerLoop.cpp 项目： byronwwang/llvm

void Fuzzer::MutateAndTestOne(Unit *U) {
  for (int i = 0; i < Options.MutateDepth; i++) {
    StartTraceRecording();
    size_t Size = U->size();
    U->resize(Options.MaxLen);
    size_t NewSize = USF.Mutate(U->data(), Size, U->size());
    assert(NewSize > 0 && "Mutator returned empty unit");
    assert(NewSize <= (size_t)Options.MaxLen &&
           "Mutator return overisized unit");
    U->resize(NewSize);
    RunOneAndUpdateCorpus(*U);
    size_t NumTraceBasedMutations = StopTraceRecording();
    size_t TBMWidth =
        std::min((size_t)Options.TBMWidth, NumTraceBasedMutations);
    size_t TBMDepth =
        std::min((size_t)Options.TBMDepth, NumTraceBasedMutations);
    Unit BackUp = *U;
    for (size_t w = 0; w < TBMWidth; w++) {
      *U = BackUp;
      for (size_t d = 0; d < TBMDepth; d++) {
        TotalNumberOfExecutedTraceBasedMutations++;
        ApplyTraceBasedMutation(USF.GetRand()(NumTraceBasedMutations), U);
        RunOneAndUpdateCorpus(*U);
      }
    }
  }
}

示例#2

文件： FuzzerLoop.cpp 项目： stevedrake/llvm

void Fuzzer::MutateAndTestOne(Unit *U) {
  for (int i = 0; i < Options.MutateDepth; i++) {
    StartTraceRecording();
    Mutate(U, Options.MaxLen);
    RunOneAndUpdateCorpus(*U);
    size_t NumTraceBasedMutations = StopTraceRecording();
    for (size_t j = 0; j < NumTraceBasedMutations; j++) {
        ApplyTraceBasedMutation(j, U);
        RunOneAndUpdateCorpus(*U);
    }
  }
}

示例#3

文件： FuzzerLoop.cpp 项目： Bigcheese/llvm

void Fuzzer::MutateAndTestOne(Unit *U) {
  for (int i = 0; i < Options.MutateDepth; i++) {
    StartTraceRecording();
    size_t Size = U->size();
    U->resize(Options.MaxLen);
    size_t NewSize = USF.Mutate(U->data(), Size, U->size());
    assert(NewSize > 0 && "Mutator returned empty unit");
    assert(NewSize <= (size_t)Options.MaxLen &&
           "Mutator return overisized unit");
    U->resize(NewSize);
    RunOneAndUpdateCorpus(*U);
    size_t NumTraceBasedMutations = StopTraceRecording();
    for (size_t j = 0; j < NumTraceBasedMutations; j++) {
      ApplyTraceBasedMutation(j, U);
      RunOneAndUpdateCorpus(*U);
    }
  }
}