1/* 2 * Copyright (c) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16#include "heapprofilerstartsampling_fuzzer.h" 17#include "ecmascript/napi/include/jsnapi.h" 18#include "agent/heapprofiler_impl.h" 19#include "tooling/dispatcher.h" 20 21using namespace panda; 22using namespace panda::ecmascript; 23using namespace panda::ecmascript::tooling; 24 25#define MAXBYTELEN sizeof(int32_t) 26 27namespace OHOS { 28 void HeapprofilerStartSamplingFuzzTest(const uint8_t* data, size_t size) 29 { 30 RuntimeOption option; 31 option.SetLogLevel(RuntimeOption::LOG_LEVEL::ERROR); 32 auto vm = JSNApi::CreateJSVM(option); 33 if (size <= 0) { 34 return; 35 } 36 int32_t input = 0; 37 if (size > MAXBYTELEN) { 38 size = MAXBYTELEN; 39 } 40 if (memcpy_s(&input, MAXBYTELEN, data, size) != 0) { 41 std::cout << "memcpy_s failed!"; 42 UNREACHABLE(); 43 } 44 std::string str(data, data + size); 45 auto req = std::make_unique<DispatchRequest>(str); 46 auto heapProfiler = std::make_unique<HeapProfilerImpl>(vm, nullptr); 47 auto dispatcherImpl = 48 std::make_unique<HeapProfilerImpl::DispatcherImpl>(nullptr, std::move(heapProfiler)); 49 dispatcherImpl->StartSampling(*req); 50 JSNApi::DestroyJSVM(vm); 51 } 52} 53 54// Fuzzer entry point. 55extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) 56{ 57 // Run your code on data. 58 OHOS::HeapprofilerStartSamplingFuzzTest(data, size); 59 return 0; 60}