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 "integerrefnewvalue_fuzzer.h"
17 #include "ecmascript/base/string_helper.h"
18 #include "ecmascript/ecma_string-inl.h"
19 #include "ecmascript/napi/include/jsnapi.h"
20
21 using namespace panda;
22 using namespace panda::ecmascript;
23
24 #define MAXBYTELEN sizeof(uint32_t)
25 #define MAXBYTELENS sizeof(int32_t)
26
27 namespace OHOS {
IntegerRefNewValueFuzzTest(const uint8_t *data, size_t size)28 void IntegerRefNewValueFuzzTest(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 unsigned int number = 123;
34 if (data == nullptr || size <= 0) {
35 std::cout << "illegal input!";
36 return;
37 }
38 if (size > MAXBYTELEN) {
39 size = MAXBYTELEN;
40 }
41 if (memcpy_s(&number, MAXBYTELEN, data, size) != 0) {
42 std::cout << "memcpy_s failed!";
43 UNREACHABLE();
44 }
45 Local<JSValueRef> targetUInt = IntegerRef::NewFromUnsigned(vm, number);
46 targetUInt->Uint32Value(vm);
47
48 int value = 0;
49 if (memcpy_s(&value, MAXBYTELENS, data, size) != 0) {
50 std::cout << "memcpy_s failed!";
51 UNREACHABLE();
52 }
53 Local<IntegerRef> res = IntegerRef::New(vm, value);
54 res->Value();
55 JSNApi::DestroyJSVM(vm);
56 }
57 }
58
59 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)60 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
61 {
62 // Run your code on data.
63 OHOS::IntegerRefNewValueFuzzTest(data, size);
64 return 0;
65 }