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 "builtinsarraybuffersetvalueinbufferforuint8clamped_fuzzer.h"
17
18 #include "ecmascript/global_env.h"
19 #include "ecmascript/js_global_object.h"
20 #include "ecmascript/ecma_vm.h"
21 #include "ecmascript/js_handle.h"
22 #include "ecmascript/js_thread.h"
23 #include "ecmascript/napi/include/jsnapi.h"
24 #include "ecmascript/ecma_string-inl.h"
25 #include "ecmascript/builtins/builtins_arraybuffer.h"
26
27 using namespace panda;
28 using namespace panda::ecmascript;
29 using namespace panda::ecmascript::builtins;
30
31 #define MAXBYTELEN sizeof(int16_t)
32
33 namespace OHOS {
BuiltinsArrayBufferSetValueInBufferForUint8ClampedFuzzTest(const uint8_t* data, size_t size)34 void BuiltinsArrayBufferSetValueInBufferForUint8ClampedFuzzTest(const uint8_t* data, size_t size)
35 {
36 RuntimeOption option;
37 option.SetLogLevel(RuntimeOption::LOG_LEVEL::ERROR);
38 EcmaVM *vm = JSNApi::CreateJSVM(option);
39 {
40 JsiFastNativeScope scope(vm);
41 JSThread *thread = vm->GetJSThread();
42 JSHandle<GlobalEnv> env = vm->GetGlobalEnv();
43
44 int16_t input;
45 if (size <= 0) {
46 return;
47 }
48 if (size > MAXBYTELEN) {
49 size = MAXBYTELEN;
50 }
51 if (memcpy_s(&input, MAXBYTELEN, data, size) != 0) {
52 std::cout << "memcpy_s failed!";
53 UNREACHABLE();
54 }
55
56 JSHandle<JSTaggedValue> bufferConstructor = env->GetArrayBufferFunction();
57 JSTaggedValue arrayBuffer =
58 BuiltinsArrayBuffer::AllocateArrayBuffer(thread, bufferConstructor, sizeof(uint8_t));
59 JSHandle<JSTaggedValue> val(thread, JSTaggedValue(input));
60
61 BuiltinsArrayBuffer::SetValueInBuffer(thread, arrayBuffer, 0, DataViewType::UINT8_CLAMPED, val, true);
62 }
63 JSNApi::DestroyJSVM(vm);
64 }
65 }
66
67 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)68 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
69 {
70 // Run your code on data.
71 OHOS::BuiltinsArrayBufferSetValueInBufferForUint8ClampedFuzzTest(data, size);
72 return 0;
73 }