1 /*
2 * Copyright (c) 2023 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 "uint32arrayrefbytelength_fuzzer.h"
17 #include "ecmascript/ecma_string-inl.h"
18 #include "ecmascript/napi/include/jsnapi.h"
19
20 using namespace panda;
21 using namespace panda::ecmascript;
22
23 #define MAXBYTELEN sizeof(int32_t)
24
25 namespace OHOS {
Uint32ArrayRefByteLengthFuzzTest(const uint8_t * data,size_t size)26 void Uint32ArrayRefByteLengthFuzzTest(const uint8_t *data, size_t size)
27 {
28 RuntimeOption option;
29 option.SetLogLevel(RuntimeOption::LOG_LEVEL::ERROR);
30 EcmaVM *vm = JSNApi::CreateJSVM(option);
31 if (data == nullptr || size <= 0) {
32 LOG_ECMA(ERROR) << "illegal input!";
33 return;
34 }
35 int32_t input;
36 if (size > MAXBYTELEN) {
37 size = MAXBYTELEN;
38 }
39 if (memcpy_s(&input, MAXBYTELEN, data, size) != 0) {
40 LOG_ECMA(ERROR) << "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 Local<Uint32ArrayRef> typedArray = Uint32ArrayRef::New(vm, ref, (int32_t)size, (int32_t)size);
49 typedArray->ByteLength(vm);
50 JSNApi::DestroyJSVM(vm);
51 }
52 }
53
54 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)55 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
56 {
57 // Run your code on data.
58 OHOS::Uint32ArrayRefByteLengthFuzzTest(data, size);
59 return 0;
60 }