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 "dumpheapsnapshot3_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 #include "ecmascript/dfx/hprof/file_stream.h"
22
23 using namespace panda;
24 using namespace panda::ecmascript;
25 using panda::ecmascript::FileStream;
26
27 #define MAXBYTELEN sizeof(double)
28
29 namespace OHOS {
DumpHeapSnapshot3FuzzTest(const uint8_t* data, size_t size)30 void DumpHeapSnapshot3FuzzTest(const uint8_t* data, size_t size)
31 {
32 if (size <= 0) {
33 return;
34 }
35 RuntimeOption option;
36 option.SetLogLevel(RuntimeOption::LOG_LEVEL::ERROR);
37 EcmaVM *vm = JSNApi::CreateJSVM(option);
38 size_t maxEnumNum = static_cast<size_t>(DumpFormat::OTHER) + 1;
39 DumpFormat dumpFormat = static_cast<DumpFormat>(size % maxEnumNum);
40 DumpSnapShotOption dumpOption;
41 dumpOption.dumpFormat = dumpFormat;
42 dumpOption.isVmMode = true;
43 dumpOption.isPrivate = false;
44 dumpOption.captureNumericValue = false;
45 if (size > MAXBYTELEN) {
46 size = MAXBYTELEN;
47 }
48 std::string path(data, data + size);
49 FileStream stream(path);
50 Progress *progress = nullptr;
51 DFXJSNApi::DumpHeapSnapshot(vm, &stream, dumpOption, progress);
52 JSNApi::DestroyJSVM(vm);
53 }
54 }
55
56 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)57 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
58 {
59 // Run your code on data.
60 OHOS::DumpHeapSnapshot3FuzzTest(data, size);
61 return 0;
62 }