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 "dumpheapsnapshot2_fuzzer.h"
17
18 #include "ecmascript/napi/include/jsnapi.h"
19 #include "ecmascript/napi/include/dfx_jsnapi.h"
20 #include "ecmascript/ecma_string-inl.h"
21
22 using namespace panda;
23 using namespace panda::ecmascript;
24
25 #define MAXBYTELEN sizeof(int)
26
27 namespace OHOS {
DumpHeapSnapshot2FuzzTest(const uint8_t* data, size_t size)28 void DumpHeapSnapshot2FuzzTest(const uint8_t* data, size_t size)
29 {
30 RuntimeOption option;
31 option.SetLogLevel(RuntimeOption::LOG_LEVEL::ERROR);
32 EcmaVM *vm = JSNApi::CreateJSVM(option);
33 DumpFormat dumpFormat = DumpFormat::JSON;
34 if (size <= 0) {
35 return;
36 }
37 if (size > MAXBYTELEN) {
38 size = MAXBYTELEN;
39 }
40 if (memcpy_s(&dumpFormat, MAXBYTELEN, data, size) != 0) {
41 std::cout << "memcpy_s failed!";
42 UNREACHABLE();
43 }
44 DumpSnapShotOption dumpOption;
45 dumpOption.dumpFormat = dumpFormat;
46 dumpOption.isVmMode = true;
47 dumpOption.isPrivate = false;
48 dumpOption.captureNumericValue = false;
49 std::string path(data, data + size);
50 DFXJSNApi::DumpHeapSnapshot(vm, path, dumpOption);
51 JSNApi::DestroyJSVM(vm);
52 }
53 }
54
55 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)56 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
57 {
58 // Run your code on data.
59 OHOS::DumpHeapSnapshot2FuzzTest(data, size);
60 return 0;
61 }