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 "builtinsarraybuffergetvaluefrombufferforbigint_fuzzer.h"
17
18 #include "ecmascript/builtins/builtins_arraybuffer.h"
19 #include "ecmascript/ecma_string-inl.h"
20 #include "ecmascript/global_env.h"
21 #include "ecmascript/js_global_object.h"
22 #include "ecmascript/napi/include/jsnapi.h"
23
24 using namespace panda;
25 using namespace panda::ecmascript;
26 using namespace panda::ecmascript::builtins;
27
28 #define MAXBYTELEN sizeof(uint32_t)
29
30 namespace OHOS {
BuiltinsArrayBufferGetValueFromBufferForBigIntFuzzTest(const uint8_t * data,size_t size)31 void BuiltinsArrayBufferGetValueFromBufferForBigIntFuzzTest(const uint8_t* data, size_t size)
32 {
33 RuntimeOption option;
34 option.SetLogLevel(RuntimeOption::LOG_LEVEL::ERROR);
35 EcmaVM *vm = JSNApi::CreateJSVM(option);
36 {
37 JsiFastNativeScope scope(vm);
38 JSThread *thread = vm->GetJSThread();
39 JSHandle<GlobalEnv> env = vm->GetGlobalEnv();
40
41 uint32_t input;
42 if (size <= 0) {
43 return;
44 }
45 if (size > MAXBYTELEN) {
46 size = MAXBYTELEN;
47 }
48 if (memcpy_s(&input, MAXBYTELEN, data, size) != 0) {
49 std::cout << "memcpy_s failed!";
50 UNREACHABLE();
51 }
52 JSHandle<BigInt> bigIntNum = BigInt::Uint32ToBigInt(thread, input);
53 JSHandle<JSTaggedValue> bufferConstructor = env->GetArrayBufferFunction();
54 JSTaggedValue arrayBuffer =
55 BuiltinsArrayBuffer::AllocateArrayBuffer(thread, bufferConstructor, sizeof(uint64_t));
56
57 JSHandle<JSTaggedValue> val(bigIntNum);
58 BuiltinsArrayBuffer::SetValueInBuffer(thread, arrayBuffer, 0, DataViewType::BIGUINT64, val, true);
59 BuiltinsArrayBuffer::GetValueFromBuffer(thread, arrayBuffer, 0, DataViewType::BIGUINT64, true);
60 }
61 JSNApi::DestroyJSVM(vm);
62 }
63 }
64
65 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)66 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
67 {
68 // Run your code on data.
69 OHOS::BuiltinsArrayBufferGetValueFromBufferForBigIntFuzzTest(data, size);
70 return 0;
71 }