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 "containerslightweightmapkeys_fuzzer.h"
17
18 #include "ecmascript/containers/containers_lightweightmap.h"
19 #include "ecmascript/containers/containers_private.h"
20 #include "ecmascript/ecma_string-inl.h"
21 #include "ecmascript/ecma_vm.h"
22 #include "ecmascript/global_env.h"
23 #include "ecmascript/js_handle.h"
24 #include "ecmascript/napi/include/jsnapi.h"
25 #include "ecmascript/js_api/js_api_lightweightmap.h"
26 #include "ecmascript/js_api/js_api_lightweightmap_iterator.h"
27
28 using namespace panda;
29 using namespace panda::test;
30 using namespace panda::ecmascript;
31 using namespace panda::ecmascript::containers;
32
33 namespace OHOS {
34
JSObjectCreate(JSThread *thread)35 JSFunction *JSObjectCreate(JSThread *thread)
36 {
37 EcmaVM *ecmaVM = thread->GetEcmaVM();
38 JSHandle<GlobalEnv> globalEnv = ecmaVM->GetGlobalEnv();
39 return globalEnv->GetObjectFunction().GetObject<JSFunction>();
40 }
41
CreateEcmaRuntimeCallInfo(JSThread *thread, uint32_t numArgs)42 EcmaRuntimeCallInfo *CreateEcmaRuntimeCallInfo(JSThread *thread, uint32_t numArgs)
43 {
44 auto factory = thread->GetEcmaVM()->GetFactory();
45 JSHandle<JSTaggedValue> hclass(thread, JSObjectCreate(thread));
46 JSHandle<JSTaggedValue> callee(factory->NewJSObjectByConstructor(JSHandle<JSFunction>::Cast(hclass), hclass));
47 JSHandle<JSTaggedValue> undefined = thread->GlobalConstants()->GetHandledUndefined();
48 EcmaRuntimeCallInfo *objCallInfo =
49 EcmaInterpreter::NewRuntimeCallInfo(thread, undefined, callee, undefined, numArgs);
50 return objCallInfo;
51 }
52
InitializeLightWeightMapConstructor(JSThread *thread)53 JSTaggedValue InitializeLightWeightMapConstructor(JSThread *thread)
54 {
55 auto factory = thread->GetEcmaVM()->GetFactory();
56 JSHandle<GlobalEnv> env = thread->GetEcmaVM()->GetGlobalEnv();
57 JSHandle<JSTaggedValue> globalObject = env->GetJSGlobalObject();
58 JSHandle<JSTaggedValue> key(factory->NewFromASCII("ArkPrivate"));
59 JSHandle<JSTaggedValue> value =
60 JSObject::GetProperty(thread, JSHandle<JSTaggedValue>(globalObject), key).GetValue();
61
62 auto objCallInfo = CreateEcmaRuntimeCallInfo(thread, 6); // 6 : means the argv length
63 objCallInfo->SetFunction(JSTaggedValue::Undefined());
64 objCallInfo->SetThis(value.GetTaggedValue());
65 objCallInfo->SetCallArg(0, JSTaggedValue(static_cast<int>(ContainerTag::LightWeightMap)));
66 JSTaggedValue result = ContainersPrivate::Load(objCallInfo);
67
68 return result;
69 }
70
CreateJSAPILightWeightMap(JSThread *thread)71 JSHandle<JSAPILightWeightMap> CreateJSAPILightWeightMap(JSThread *thread)
72 {
73 JSHandle<JSFunction> newTarget(thread, InitializeLightWeightMapConstructor(thread));
74 auto objCallInfo = CreateEcmaRuntimeCallInfo(thread, 4);
75 objCallInfo->SetFunction(newTarget.GetTaggedValue());
76 objCallInfo->SetNewTarget(newTarget.GetTaggedValue());
77 objCallInfo->SetThis(JSTaggedValue::Undefined());
78
79 JSTaggedValue result = ContainersLightWeightMap::LightWeightMapConstructor(objCallInfo);
80 JSHandle<JSAPILightWeightMap> map(thread, result);
81 return map;
82 }
83
ContainersLightWeightMapKeysFuzzTest(const uint8_t* data, size_t size)84 void ContainersLightWeightMapKeysFuzzTest(const uint8_t* data, size_t size)
85 {
86 RuntimeOption option;
87 option.SetLogLevel(RuntimeOption::LOG_LEVEL::ERROR);
88 EcmaVM *vm = JSNApi::CreateJSVM(option);
89 {
90 JsiFastNativeScope scope(vm);
91 auto thread = vm->GetAssociatedJSThread();
92
93 if (size <= 0) {
94 return;
95 }
96 double input = 0;
97 const double maxByteLen = 4;
98 if (size > maxByteLen) {
99 size = maxByteLen;
100 }
101 if (memcpy_s(&input, maxByteLen, data, size) != 0) {
102 std::cout << "memcpy_s failed!";
103 UNREACHABLE();
104 }
105 JSHandle<JSAPILightWeightMap> lightWeightMap = CreateJSAPILightWeightMap(thread);
106
107 EcmaRuntimeCallInfo *callInfo1 = CreateEcmaRuntimeCallInfo(thread, 8);
108 callInfo1->SetFunction(JSTaggedValue::Undefined());
109 callInfo1->SetThis(lightWeightMap.GetTaggedValue());
110 callInfo1->SetCallArg(0, JSTaggedValue(input));
111 callInfo1->SetCallArg(1, JSTaggedValue(input));
112 ContainersLightWeightMap::Set(callInfo1);
113
114 JSMutableHandle<JSTaggedValue> result(thread, JSTaggedValue::Undefined());
115 EcmaRuntimeCallInfo *callInfo2 = CreateEcmaRuntimeCallInfo(thread, 4);
116 callInfo2->SetFunction(JSTaggedValue::Undefined());
117 callInfo2->SetThis(lightWeightMap.GetTaggedValue());
118 JSHandle<JSTaggedValue> iterKeys(thread, ContainersLightWeightMap::Keys(callInfo2));
119
120 EcmaRuntimeCallInfo *callInfo3 = CreateEcmaRuntimeCallInfo(thread, 4);
121 callInfo3->SetFunction(JSTaggedValue::Undefined());
122 callInfo3->SetThis(iterKeys.GetTaggedValue());
123 result.Update(JSAPILightWeightMapIterator::Next(callInfo3));
124 JSHandle<JSTaggedValue> keyHandle = JSIterator::IteratorValue(thread, result);
125
126 EcmaRuntimeCallInfo *callInfo4 = CreateEcmaRuntimeCallInfo(thread, 6);
127 callInfo4->SetFunction(JSTaggedValue::Undefined());
128 callInfo4->SetThis(lightWeightMap.GetTaggedValue());
129 callInfo4->SetCallArg(0, keyHandle.GetTaggedValue());
130 ContainersLightWeightMap::HasKey(callInfo4);
131 }
132 JSNApi::DestroyJSVM(vm);
133 }
134 }
135
136 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)137 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
138 {
139 // Run your code on data.
140 OHOS::ContainersLightWeightMapKeysFuzzTest(data, size);
141 return 0;
142 }