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 "containerslistconverttoarray_fuzzer.h"
17
18 #include "ecmascript/containers/containers_list.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/js_tagged_value.h"
25 #include "ecmascript/napi/include/jsnapi.h"
26
27 #define MAXBYTELEN sizeof(uint32_t)
28
29 using namespace panda;
30 using namespace panda::test;
31 using namespace panda::ecmascript;
32 using namespace panda::ecmascript::containers;
33
34 namespace OHOS {
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
CreateEcmaRuntimeCallInfo(JSThread *thread, JSTaggedValue newTgt, uint32_t argvLength)53 EcmaRuntimeCallInfo* CreateEcmaRuntimeCallInfo(JSThread *thread, JSTaggedValue newTgt, uint32_t argvLength)
54 {
55 const uint8_t testDecodedSize = 2;
56 int32_t numActualArgs = argvLength / testDecodedSize + 1;
57 JSTaggedType *sp = const_cast<JSTaggedType *>(thread->GetCurrentSPFrame());
58
59 size_t frameSize = 0;
60 if (thread->IsAsmInterpreter()) {
61 frameSize = InterpretedEntryFrame::NumOfMembers() + numActualArgs;
62 } else {
63 frameSize = InterpretedFrame::NumOfMembers() + numActualArgs;
64 }
65 JSTaggedType *newSp = sp - frameSize;
66 for (int i = numActualArgs; i > 0; i--) {
67 newSp[i - 1] = JSTaggedValue::Undefined().GetRawData();
68 }
69 EcmaRuntimeCallInfo *ecmaRuntimeCallInfo = reinterpret_cast<EcmaRuntimeCallInfo *>(newSp - 2);
70 *(--newSp) = numActualArgs;
71 *(--newSp) = panda::ecmascript::ToUintPtr(thread);
72 ecmaRuntimeCallInfo->SetNewTarget(newTgt);
73 return ecmaRuntimeCallInfo;
74 }
75
InitializeContainersList(JSThread *thread)76 JSTaggedValue InitializeContainersList(JSThread *thread)
77 {
78 auto factory = thread->GetEcmaVM()->GetFactory();
79 JSHandle<GlobalEnv> env = thread->GetEcmaVM()->GetGlobalEnv();
80 JSHandle<JSTaggedValue> globalObject = env->GetJSGlobalObject();
81 JSHandle<JSTaggedValue> key(factory->NewFromASCII("ArkPrivate"));
82 JSHandle<JSTaggedValue> value =
83 JSObject::GetProperty(thread, JSHandle<JSTaggedValue>(globalObject), key).GetValue();
84
85 auto objCallInfo = CreateEcmaRuntimeCallInfo(thread, 6); // 6 : means the argv length
86 objCallInfo->SetFunction(JSTaggedValue::Undefined());
87 objCallInfo->SetThis(value.GetTaggedValue());
88 objCallInfo->SetCallArg(0, JSTaggedValue(static_cast<int>(ContainerTag::List))); // 0 means the argument
89 JSTaggedValue result = ContainersPrivate::Load(objCallInfo);
90
91 return result;
92 }
93
CreateJSAPIList(JSThread *thread)94 JSHandle<JSAPIList> CreateJSAPIList(JSThread *thread)
95 {
96 JSHandle<JSFunction> newTarget(thread, InitializeContainersList(thread));
97 auto objCallInfo = CreateEcmaRuntimeCallInfo(thread, 4); // 4 : means the argv length
98 objCallInfo->SetFunction(newTarget.GetTaggedValue());
99 objCallInfo->SetNewTarget(newTarget.GetTaggedValue());
100 objCallInfo->SetThis(JSTaggedValue::Undefined());
101 JSTaggedValue result = ContainersList::Add(objCallInfo);
102 JSHandle<JSAPIList> list(thread, result);
103 return list;
104 }
105
ContainerslistConvertToArrayFuzzTest(const uint8_t* data, size_t size)106 void ContainerslistConvertToArrayFuzzTest(const uint8_t* data, size_t size)
107 {
108 RuntimeOption option;
109 option.SetLogLevel(RuntimeOption::LOG_LEVEL::ERROR);
110 EcmaVM *vm = JSNApi::CreateJSVM(option);
111 {
112 JsiFastNativeScope scope(vm);
113 auto thread = vm->GetAssociatedJSThread();
114
115 if (size <= 0) {
116 return;
117 }
118 double input = 0;
119 if (size > MAXBYTELEN) {
120 size = MAXBYTELEN;
121 }
122 if (memcpy_s(&input, MAXBYTELEN, data, size) != 0) {
123 std::cout << "memcpy_s failed!";
124 UNREACHABLE();
125 }
126 JSHandle<JSAPIList> list = CreateJSAPIList(thread);
127 auto callInfo = CreateEcmaRuntimeCallInfo(thread, 8); // 8 : means the argv length
128 callInfo->SetFunction(JSTaggedValue::Undefined());
129 callInfo->SetThis(list.GetTaggedValue());
130 callInfo->SetCallArg(0, JSTaggedValue(input));
131 ContainersList::Add(callInfo);
132
133 auto callInfo1 = CreateEcmaRuntimeCallInfo(thread, 6); // 6 : means the argv length
134 callInfo1->SetFunction(JSTaggedValue::Undefined());
135 callInfo1->SetThis(list.GetTaggedValue());
136 ContainersList::ConvertToArray(callInfo1);
137 }
138 JSNApi::DestroyJSVM(vm);
139 }
140 }
141
142 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)143 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
144 {
145 // Run your code on data.
146 OHOS::ContainerslistConvertToArrayFuzzTest(data, size);
147 return 0;
148 }
149