C++ (Cpp) StopTraceRecordingの例

コード例 #1

ファイル: FuzzerLoop.cpp プロジェクト: afesteves/llvm

void Fuzzer::MutateAndTestOne() {
  MD.StartMutationSequence();

  auto &U = ChooseUnitToMutate();
  MutateInPlaceHere.resize(Options.MaxLen);
  size_t Size = U.size();
  assert(Size <= Options.MaxLen && "Oversized Unit");
  memcpy(MutateInPlaceHere.data(), U.data(), Size);

  for (int i = 0; i < Options.MutateDepth; i++) {
    size_t NewSize = 0;
    if (LLVMFuzzerCustomMutator)
      NewSize = LLVMFuzzerCustomMutator(MutateInPlaceHere.data(), Size,
                                        Options.MaxLen, MD.GetRand().Rand());
    else
      NewSize = MD.Mutate(MutateInPlaceHere.data(), Size, Options.MaxLen);
    assert(NewSize > 0 && "Mutator returned empty unit");
    assert(NewSize <= Options.MaxLen &&
           "Mutator return overisized unit");
    Size = NewSize;
    if (i == 0)
      StartTraceRecording();
    RunOneAndUpdateCorpus(MutateInPlaceHere.data(), Size);
    StopTraceRecording();
    TryDetectingAMemoryLeak(MutateInPlaceHere.data(), Size);
  }
}

コード例 #2

ファイル: FuzzerLoop.cpp プロジェクト: 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);
      }
    }
  }
}

コード例 #3

ファイル: FuzzerLoop.cpp プロジェクト: 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);
    }
  }
}

コード例 #4

ファイル: FuzzerLoop.cpp プロジェクト: 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);
    }
  }
}

コード例 #5

ファイル: FuzzerLoop.cpp プロジェクト: ATeamMac2014/llvm

void Fuzzer::MutateAndTestOne() {
  auto &U = CurrentUnit;
  USF.StartMutationSequence();

  U = ChooseUnitToMutate();

  for (int i = 0; i < Options.MutateDepth; i++) {
    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);
    if (i == 0)
      StartTraceRecording();
    RunOneAndUpdateCorpus(U);
    StopTraceRecording();
  }
}