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 "dataviewrefnew_fuzzer.h" 17 18#include "ecmascript/ecma_string-inl.h" 19#include "ecmascript/napi/include/jsnapi.h" 20 21using namespace panda; 22using namespace panda::ecmascript; 23 24#define MAXBYTELEN sizeof(int32_t) 25 26namespace OHOS { 27 void DataViewRefNewFuzzTest(const uint8_t* data, size_t size) 28 { 29 RuntimeOption option; 30 option.SetLogLevel(RuntimeOption::LOG_LEVEL::ERROR); 31 EcmaVM *vm = JSNApi::CreateJSVM(option); 32 int32_t input; 33 if (size <= 0) { 34 return; 35 } 36 if (size > MAXBYTELEN) { 37 size = MAXBYTELEN; 38 } 39 if (memcpy_s(&input, MAXBYTELEN, data, size) != 0) { 40 std::cout << "memcpy_s failed!"; 41 UNREACHABLE(); 42 } 43 const int32_t MaxMenory = 1024; 44 if (input > MaxMenory) { 45 input = MaxMenory; 46 } 47 Local<ArrayBufferRef> ref = ArrayBufferRef::New(vm, input); 48 DataViewRef::New(vm, ref, (uint32_t)size, (uint32_t)size); 49 JSNApi::DestroyJSVM(vm); 50 } 51} 52 53// Fuzzer entry point. 54extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) 55{ 56 // Run your code on data. 57 OHOS::DataViewRefNewFuzzTest(data, size); 58 return 0; 59}