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 auto thread = vm->GetAssociatedJSThread();
90
91 if (size <= 0) {
92 return;
93 }
94 double input = 0;
95 const double maxByteLen = 4;
96 if (size > maxByteLen) {
97 size = maxByteLen;
98 }
99 if (memcpy_s(&input, maxByteLen, data, size) != 0) {
100 std::cout << "memcpy_s failed!";
101 UNREACHABLE();
102 }
103 JSHandle<JSAPILightWeightMap> lightWeightMap = CreateJSAPILightWeightMap(thread);
104
105 EcmaRuntimeCallInfo *callInfo1 = CreateEcmaRuntimeCallInfo(thread, 8);
106 callInfo1->SetFunction(JSTaggedValue::Undefined());
107 callInfo1->SetThis(lightWeightMap.GetTaggedValue());
108 callInfo1->SetCallArg(0, JSTaggedValue(input));
109 callInfo1->SetCallArg(1, JSTaggedValue(input));
110 ContainersLightWeightMap::Set(callInfo1);
111
112 JSMutableHandle<JSTaggedValue> result(thread, JSTaggedValue::Undefined());
113 EcmaRuntimeCallInfo *callInfo2 = CreateEcmaRuntimeCallInfo(thread, 4);
114 callInfo2->SetFunction(JSTaggedValue::Undefined());
115 callInfo2->SetThis(lightWeightMap.GetTaggedValue());
116 JSHandle<JSTaggedValue> iterKeys(thread, ContainersLightWeightMap::Keys(callInfo2));
117
118 EcmaRuntimeCallInfo *callInfo3 = CreateEcmaRuntimeCallInfo(thread, 4);
119 callInfo3->SetFunction(JSTaggedValue::Undefined());
120 callInfo3->SetThis(iterKeys.GetTaggedValue());
121 result.Update(JSAPILightWeightMapIterator::Next(callInfo3));
122 JSHandle<JSTaggedValue> keyHandle = JSIterator::IteratorValue(thread, result);
123
124 EcmaRuntimeCallInfo *callInfo4 = CreateEcmaRuntimeCallInfo(thread, 6);
125 callInfo4->SetFunction(JSTaggedValue::Undefined());
126 callInfo4->SetThis(lightWeightMap.GetTaggedValue());
127 callInfo4->SetCallArg(0, keyHandle.GetTaggedValue());
128 ContainersLightWeightMap::HasKey(callInfo4);
129
130 JSNApi::DestroyJSVM(vm);
131 }
132 }
133
134 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)135 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
136 {
137 // Run your code on data.
138 OHOS::ContainersLightWeightMapKeysFuzzTest(data, size);
139 return 0;
140 }