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 "containerslightweightmap_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
26 using namespace panda;
27 using namespace panda::test;
28 using namespace panda::ecmascript;
29 using namespace panda::ecmascript::containers;
30
31 namespace OHOS {
32
JSObjectCreate(JSThread *thread)33 JSFunction *JSObjectCreate(JSThread *thread)
34 {
35 EcmaVM *ecmaVM = thread->GetEcmaVM();
36 JSHandle<GlobalEnv> globalEnv = ecmaVM->GetGlobalEnv();
37 return globalEnv->GetObjectFunction().GetObject<JSFunction>();
38 }
39
CreateEcmaRuntimeCallInfo(JSThread *thread, uint32_t numArgs)40 EcmaRuntimeCallInfo *CreateEcmaRuntimeCallInfo(JSThread *thread, uint32_t numArgs)
41 {
42 auto factory = thread->GetEcmaVM()->GetFactory();
43 JSHandle<JSTaggedValue> hclass(thread, JSObjectCreate(thread));
44 JSHandle<JSTaggedValue> callee(factory->NewJSObjectByConstructor(JSHandle<JSFunction>::Cast(hclass), hclass));
45 JSHandle<JSTaggedValue> undefined = thread->GlobalConstants()->GetHandledUndefined();
46 EcmaRuntimeCallInfo *objCallInfo =
47 EcmaInterpreter::NewRuntimeCallInfo(thread, undefined, callee, undefined, numArgs);
48 return objCallInfo;
49 }
50
InitializeLightWeightMapConstructor(JSThread *thread)51 JSTaggedValue InitializeLightWeightMapConstructor(JSThread *thread)
52 {
53 auto factory = thread->GetEcmaVM()->GetFactory();
54 JSHandle<GlobalEnv> env = thread->GetEcmaVM()->GetGlobalEnv();
55 JSHandle<JSTaggedValue> globalObject = env->GetJSGlobalObject();
56 JSHandle<JSTaggedValue> key(factory->NewFromASCII("ArkPrivate"));
57 JSHandle<JSTaggedValue> value =
58 JSObject::GetProperty(thread, JSHandle<JSTaggedValue>(globalObject), key).GetValue();
59
60 auto objCallInfo = CreateEcmaRuntimeCallInfo(thread, 6); // 6 : means the argv length
61 objCallInfo->SetFunction(JSTaggedValue::Undefined());
62 objCallInfo->SetThis(value.GetTaggedValue());
63 objCallInfo->SetCallArg(0, JSTaggedValue(static_cast<int>(ContainerTag::LightWeightMap)));
64 JSTaggedValue result = ContainersPrivate::Load(objCallInfo);
65
66 return result;
67 }
68
CreateJSAPILightWeightMap(JSThread *thread)69 JSHandle<JSAPILightWeightMap> CreateJSAPILightWeightMap(JSThread *thread)
70 {
71 JSHandle<JSFunction> newTarget(thread, InitializeLightWeightMapConstructor(thread));
72 auto objCallInfo = CreateEcmaRuntimeCallInfo(thread, 4);
73 objCallInfo->SetFunction(newTarget.GetTaggedValue());
74 objCallInfo->SetNewTarget(newTarget.GetTaggedValue());
75 objCallInfo->SetThis(JSTaggedValue::Undefined());
76
77 JSTaggedValue result = ContainersLightWeightMap::LightWeightMapConstructor(objCallInfo);
78 JSHandle<JSAPILightWeightMap> map(thread, result);
79 return map;
80 }
81
ContainersLightWeightMapFuzzTest(const uint8_t* data, size_t size)82 void ContainersLightWeightMapFuzzTest(const uint8_t* data, size_t size)
83 {
84 RuntimeOption option;
85 option.SetLogLevel(RuntimeOption::LOG_LEVEL::ERROR);
86 EcmaVM *vm = JSNApi::CreateJSVM(option);
87 {
88 JsiFastNativeScope scope(vm);
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 *callInfo = CreateEcmaRuntimeCallInfo(thread, 6);
106 callInfo->SetFunction(JSTaggedValue::Undefined());
107 callInfo->SetThis(lightWeightMap.GetTaggedValue());
108 callInfo->SetCallArg(0, JSTaggedValue(input));
109 ContainersLightWeightMap::LightWeightMapConstructor(callInfo);
110 }
111 JSNApi::DestroyJSVM(vm);
112 }
113 }
114
115 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)116 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
117 {
118 // Run your code on data.
119 OHOS::ContainersLightWeightMapFuzzTest(data, size);
120 return 0;
121 }