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 "ecmascript/napi/include/jsnapi.h"
17 #include "ecmascript/log_wrapper.h"
18 #include "ecmascript/base/string_helper.h"
19 #include "getwordsarray_fuzzer.h"
20
21 using namespace panda;
22 using namespace panda::ecmascript;
23
24 namespace OHOS {
GetWordsArrayFuzzTest(const uint8_t * data,size_t size)25 void GetWordsArrayFuzzTest(const uint8_t* data, size_t size)
26 {
27 RuntimeOption option;
28 option.SetLogLevel(RuntimeOption::LOG_LEVEL::ERROR);
29 EcmaVM *vm = JSNApi::CreateJSVM(option);
30 if (size <= 0) {
31 return;
32 }
33 bool sign = false;
34 const size_t uint64BytesNum = 8;
35 size_t wordsNum = size / uint64BytesNum;
36 size_t hasRemain = size % uint64BytesNum;
37 if (hasRemain) {
38 wordsNum++;
39 }
40 uint64_t *words = new uint64_t[wordsNum]();
41 if (memcpy_s(words, size, data, size) != EOK) {
42 std::cout << "memcpy_s failed!";
43 UNREACHABLE();
44 }
45 Local<JSValueRef> bigWordsValue = BigIntRef::CreateBigWords(vm, sign, wordsNum, words);
46 Local<BigIntRef> bigWords(bigWordsValue);
47 bigWords->GetWordsArray(&sign, wordsNum, words);
48 delete[] words;
49 words = nullptr;
50 JSNApi::DestroyJSVM(vm);
51 return;
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::GetWordsArrayFuzzTest(data, size);
60 return 0;
61 }