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 #include "containershashmapforeach_fuzzer.h"
16
17 #include "ecmascript/containers/containers_hashmap.h"
18 #include "ecmascript/containers/containers_private.h"
19 #include "ecmascript/ecma_string-inl.h"
20 #include "ecmascript/ecma_vm.h"
21 #include "ecmascript/global_env.h"
22 #include "ecmascript/js_handle.h"
23 #include "ecmascript/napi/include/jsnapi.h"
24
25 using namespace panda;
26 using namespace panda::ecmascript;
27 using namespace panda::ecmascript::containers;
28
29 #define MAXBYTELEN sizeof(uint32_t)
30 namespace OHOS {
JSObjectCreate(JSThread * thread)31 JSFunction *JSObjectCreate(JSThread *thread)
32 {
33 EcmaVM *ecmaVM = thread->GetEcmaVM();
34 JSHandle<GlobalEnv> globalEnv = ecmaVM->GetGlobalEnv();
35 return globalEnv->GetObjectFunction().GetObject<JSFunction>();
36 }
37
CreateEcmaRuntimeCallInfo(JSThread * thread,uint32_t numArgs)38 EcmaRuntimeCallInfo *CreateEcmaRuntimeCallInfo(JSThread *thread, uint32_t numArgs)
39 {
40 auto factory = thread->GetEcmaVM()->GetFactory();
41 JSHandle<JSTaggedValue> hclass(thread, JSObjectCreate(thread));
42 JSHandle<JSTaggedValue> callee(factory->NewJSObjectByConstructor(JSHandle<JSFunction>::Cast(hclass), hclass));
43 JSHandle<JSTaggedValue> undefined = thread->GlobalConstants()->GetHandledUndefined();
44 EcmaRuntimeCallInfo *objCallInfo =
45 EcmaInterpreter::NewRuntimeCallInfo(thread, undefined, callee, undefined, numArgs);
46 return objCallInfo;
47 }
48
InitializeHashMapConstructor(JSThread * thread)49 JSTaggedValue InitializeHashMapConstructor(JSThread *thread)
50 {
51 ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
52 JSHandle<GlobalEnv> env = thread->GetEcmaVM()->GetGlobalEnv();
53
54 JSHandle<JSTaggedValue> globalObject = env->GetJSGlobalObject();
55 JSHandle<JSTaggedValue> key(factory->NewFromASCII("ArkPrivate"));
56 JSHandle<JSTaggedValue> value =
57 JSObject::GetProperty(thread, JSHandle<JSTaggedValue>(globalObject), key).GetValue();
58
59 auto objCallInfo = CreateEcmaRuntimeCallInfo(thread, 6);
60 objCallInfo->SetFunction(JSTaggedValue::Undefined());
61 objCallInfo->SetThis(value.GetTaggedValue());
62 objCallInfo->SetCallArg(0, JSTaggedValue(static_cast<int>(ContainerTag::HashMap)));
63 JSTaggedValue result = ContainersPrivate::Load(objCallInfo);
64 return result;
65 }
66
CreateJSAPIHashMap(JSThread * thread)67 JSHandle<JSAPIHashMap> CreateJSAPIHashMap(JSThread *thread)
68 {
69 JSHandle<JSFunction> newTarget(thread, InitializeHashMapConstructor(thread));
70 auto objCallInfo = CreateEcmaRuntimeCallInfo(thread, 4);
71 objCallInfo->SetFunction(newTarget.GetTaggedValue());
72 objCallInfo->SetNewTarget(newTarget.GetTaggedValue());
73 objCallInfo->SetThis(JSTaggedValue::Undefined());
74
75 JSTaggedValue result = ContainersHashMap::HashMapConstructor(objCallInfo);
76 JSHandle<JSAPIHashMap> map(thread, result);
77 return map;
78 }
79
ContainersHashMapForEachFuzzTest(const uint8_t * data,size_t size)80 void ContainersHashMapForEachFuzzTest(const uint8_t* data, size_t size)
81 {
82 RuntimeOption option;
83 option.SetLogLevel(RuntimeOption::LOG_LEVEL::ERROR);
84 EcmaVM *vm = JSNApi::CreateJSVM(option);
85 auto thread = vm->GetAssociatedJSThread();
86 if (size <= 0) {
87 return;
88 }
89 double input = 0;
90 if (size > MAXBYTELEN) {
91 size = MAXBYTELEN;
92 }
93 if (memcpy_s(&input, MAXBYTELEN, data, size) != 0) {
94 std::cout << "memcpy_s failed!";
95 UNREACHABLE();
96 }
97 JSHandle<JSAPIHashMap> tMap = CreateJSAPIHashMap(thread);
98 auto callInfo = CreateEcmaRuntimeCallInfo(thread, 8);
99 callInfo->SetFunction(JSTaggedValue::Undefined());
100 callInfo->SetThis(tMap.GetTaggedValue());
101 callInfo->SetCallArg(0, JSTaggedValue(input));
102 callInfo->SetCallArg(1, JSTaggedValue(input));
103 ContainersHashMap::Set(callInfo);
104 JSHandle<JSAPIHashMap> dMap = CreateJSAPIHashMap(thread);
105 auto callInfo1 = CreateEcmaRuntimeCallInfo(thread, 8);
106 callInfo1->SetFunction(JSTaggedValue::Undefined());
107 callInfo1->SetThis(tMap.GetTaggedValue());
108 callInfo1->SetCallArg(0, JSTaggedValue::Undefined());
109 callInfo1->SetCallArg(1, dMap.GetTaggedValue());
110 ContainersHashMap::ForEach(callInfo1);
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::ContainersHashMapForEachFuzzTest(data, size);
120 return 0;
121 }