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 "containershashmap_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 auto objCallInfo = CreateEcmaRuntimeCallInfo(thread, 6);
59 objCallInfo->SetFunction(JSTaggedValue::Undefined());
60 objCallInfo->SetThis(value.GetTaggedValue());
61 objCallInfo->SetCallArg(0, JSTaggedValue(static_cast<int>(ContainerTag::HashMap)));
62 JSTaggedValue result = ContainersPrivate::Load(objCallInfo);
63 return result;
64 }
65
CreateJSAPIHashMap(JSThread * thread)66 JSHandle<JSAPIHashMap> CreateJSAPIHashMap(JSThread *thread)
67 {
68 JSHandle<JSFunction> newTarget(thread, InitializeHashMapConstructor(thread));
69 auto objCallInfo = CreateEcmaRuntimeCallInfo(thread, 4);
70 objCallInfo->SetFunction(newTarget.GetTaggedValue());
71 objCallInfo->SetNewTarget(newTarget.GetTaggedValue());
72 objCallInfo->SetThis(JSTaggedValue::Undefined());
73
74 JSTaggedValue result = ContainersHashMap::HashMapConstructor(objCallInfo);
75 JSHandle<JSAPIHashMap> map(thread, result);
76 return map;
77 }
78
ContainersHashMapFuzzTest(const uint8_t * data,size_t size)79 void ContainersHashMapFuzzTest(const uint8_t* data, size_t size)
80 {
81 RuntimeOption option;
82 option.SetLogLevel(RuntimeOption::LOG_LEVEL::ERROR);
83 EcmaVM *vm = JSNApi::CreateJSVM(option);
84 auto thread = vm->GetAssociatedJSThread();
85 if (size <= 0) {
86 return;
87 }
88 double input = 0;
89 if (size > MAXBYTELEN) {
90 size = MAXBYTELEN;
91 }
92 if (memcpy_s(&input, MAXBYTELEN, data, size) != 0) {
93 std::cout << "memcpy_s failed!";
94 UNREACHABLE();
95 }
96 JSHandle<JSAPIHashMap> stack = CreateJSAPIHashMap(thread);
97 EcmaRuntimeCallInfo *callInfo = CreateEcmaRuntimeCallInfo(thread, 6);
98 callInfo->SetFunction(JSTaggedValue::Undefined());
99 callInfo->SetThis(stack.GetTaggedValue());
100 callInfo->SetCallArg(0, JSTaggedValue(input));
101 ContainersHashMap::HashMapConstructor(callInfo);
102 JSNApi::DestroyJSVM(vm);
103 }
104 }
105
106 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)107 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
108 {
109 // Run your code on data.
110 OHOS::ContainersHashMapFuzzTest(data, size);
111 return 0;
112 }