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 "builtinsarraybufferisview_fuzzer.h"
17
18 #include "ecmascript/builtins/builtins_arraybuffer.h"
19 #include "ecmascript/ecma_string-inl.h"
20 #include "ecmascript/ecma_vm.h"
21 #include "ecmascript/global_env.h"
22 #include "ecmascript/js_global_object.h"
23 #include "ecmascript/js_handle.h"
24 #include "ecmascript/js_thread.h"
25 #include "ecmascript/napi/include/jsnapi.h"
26
27 using namespace panda;
28 using namespace panda::ecmascript;
29
30 #define MAXBYTELEN sizeof(uint16_t)
31
32 namespace OHOS {
CreateEcmaRuntimeCallInfo(JSThread * thread,JSTaggedValue newTgt,uint32_t numArgs)33 EcmaRuntimeCallInfo *CreateEcmaRuntimeCallInfo(JSThread *thread, JSTaggedValue newTgt, uint32_t numArgs)
34 {
35 auto factory = thread->GetEcmaVM()->GetFactory();
36 JSHandle<JSTaggedValue> hclass(thread, newTgt);
37 JSHandle<JSTaggedValue> callee(factory->NewJSObjectByConstructor(JSHandle<JSFunction>::Cast(hclass), hclass));
38 JSHandle<JSTaggedValue> undefined = thread->GlobalConstants()->GetHandledUndefined();
39 EcmaRuntimeCallInfo *objCallInfo =
40 EcmaInterpreter::NewRuntimeCallInfo(thread, undefined, callee, undefined, numArgs);
41 return objCallInfo;
42 }
43
BuiltinsArrayBufferIsViewFuzzTest(const uint8_t * data,size_t size)44 void BuiltinsArrayBufferIsViewFuzzTest(const uint8_t* data, size_t size)
45 {
46 RuntimeOption option;
47 option.SetLogLevel(RuntimeOption::LOG_LEVEL::ERROR);
48 EcmaVM *vm = JSNApi::CreateJSVM(option);
49 JSThread *thread = vm->GetJSThread();
50 JSHandle<GlobalEnv> env = vm->GetGlobalEnv();
51
52 int32_t input;
53 if (size <= 0) {
54 return;
55 }
56 if (size > MAXBYTELEN) {
57 size = MAXBYTELEN;
58 }
59 if (memcpy_s(&input, MAXBYTELEN, data, size) != 0) {
60 std::cout << "memcpy_s failed!";
61 UNREACHABLE();
62 }
63
64 JSHandle<JSFunction> arrayBuffer(thread, env->GetArrayBufferFunction().GetTaggedValue());
65 JSHandle<JSObject> globalObject(thread, env->GetGlobalObject());
66
67 auto ecmaRuntimeCallInfo = CreateEcmaRuntimeCallInfo(thread, arrayBuffer.GetTaggedValue(), 6);
68 ecmaRuntimeCallInfo->SetFunction(arrayBuffer.GetTaggedValue());
69 ecmaRuntimeCallInfo->SetThis(globalObject.GetTaggedValue());
70 ecmaRuntimeCallInfo->SetCallArg(0, JSTaggedValue(input));
71
72 builtins::BuiltinsArrayBuffer::IsView(ecmaRuntimeCallInfo);
73 JSNApi::DestroyJSVM(vm);
74 }
75 }
76
77 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)78 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
79 {
80 // Run your code on data.
81 OHOS::BuiltinsArrayBufferIsViewFuzzTest(data, size);
82 return 0;
83 }