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 <fuzzer/FuzzedDataProvider.h>
17 #include "ecmascript/global_env.h"
18 #include "ecmascript/js_map.h"
19 #include "ecmascript/js_map_iterator.h"
20 #include "ecmascript/js_set.h"
21 #include "ecmascript/js_set_iterator.h"
22 #include "ecmascript/js_weak_container.h"
23 #include "ecmascript/linked_hash_table.h"
24 #include "ecmascript/napi/include/jsnapi.h"
25 #include "ecmascript/napi/jsnapi_helper.h"
26 #include "weakmapref_fuzzer.h"
27
28 using namespace panda;
29 using namespace panda::ecmascript;
30
31 namespace OHOS {
WeakMapRefFuzzTest(const uint8_t * data,size_t size)32 void WeakMapRefFuzzTest(const uint8_t* data, size_t size)
33 {
34 RuntimeOption option;
35 option.SetLogLevel(common::LOG_LEVEL::ERROR);
36 EcmaVM *vm = JSNApi::CreateJSVM(option);
37 {
38 JsiFastNativeScope scope(vm);
39 if (data == nullptr || size <= 0) {
40 LOG_ECMA(ERROR) << "illegal input!";
41 return;
42 }
43 JSThread *thread = vm->GetJSThread();
44 ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
45 JSHandle<GlobalEnv> env = thread->GetEcmaVM()->GetGlobalEnv();
46 JSHandle<JSTaggedValue> constructor = env->GetBuiltinsWeakMapFunction();
47 JSHandle<JSWeakMap> weakMap =
48 JSHandle<JSWeakMap>::Cast(factory->NewJSObjectByConstructor(JSHandle<JSFunction>(constructor),
49 constructor));
50 JSHandle<LinkedHashMap> hashMap = LinkedHashMap::Create(thread);
51 weakMap->SetLinkedMap(thread, hashMap);
52 JSHandle<JSTaggedValue> weakMapTag = JSHandle<JSTaggedValue>::Cast(weakMap);
53 Local<WeakMapRef> map = JSNApiHelper::ToLocal<WeakMapRef>(weakMapTag);
54 FuzzedDataProvider fdp(data, size);
55 std::string str1 = fdp.ConsumeRandomLengthString(1024);
56 std::string str2 = fdp.ConsumeRandomLengthString(1024);
57 JSHandle<JSTaggedValue> value(factory->NewFromStdString(str1));
58 JSHandle<JSTaggedValue> key(factory->NewFromStdString(str2));
59 JSWeakMap::Set(thread, weakMap, key, value);
60 map->GetSize(vm);
61 map->GetTotalElements(vm);
62 map->GetKey(vm, 0);
63 map->GetValue(vm, 0);
64 }
65 JSNApi::DestroyJSVM(vm);
66 }
67 }
68
69 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)70 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
71 {
72 // Run your code on data.
73 OHOS::WeakMapRefFuzzTest(data, size);
74 return 0;
75 }