1 /*
2 * Copyright (c) 2023-2024 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 "jsvaluerefisgenerator_fuzzer.h"
17 #include "ecmascript/base/string_helper.h"
18 #include "ecmascript/ecma_vm.h"
19 #include "ecmascript/global_env.h"
20 #include "ecmascript/js_function.h"
21 #include "ecmascript/js_function_kind.h"
22 #include "ecmascript/js_generator_object.h"
23 #include "ecmascript/js_hclass.h"
24 #include "ecmascript/js_tagged_value-inl.h"
25 #include "ecmascript/object_factory.h"
26 #include "ecmascript/napi/include/jsnapi.h"
27 #include "ecmascript/napi/jsnapi_helper.h"
28
29 using namespace panda;
30 using namespace panda::ecmascript;
31
32 namespace OHOS {
IsGeneratorObjectFuzzTest([[maybe_unused]]const uint8_t *data, size_t size)33 void IsGeneratorObjectFuzzTest([[maybe_unused]]const uint8_t *data, size_t size)
34 {
35 RuntimeOption option;
36 option.SetLogLevel(RuntimeOption::LOG_LEVEL::ERROR);
37 EcmaVM *vm = JSNApi::CreateJSVM(option);
38 {
39 JsiFastNativeScope scope(vm);
40 if (size <= 0) {
41 LOG_ECMA(ERROR) << "illegal input!";
42 return;
43 }
44 ObjectFactory *factory = vm->GetFactory();
45 auto env = vm->GetGlobalEnv();
46 JSHandle<JSTaggedValue> genFunc = env->GetGeneratorFunctionFunction();
47 JSHandle<JSGeneratorObject> genObjHandleVal = factory->NewJSGeneratorObject(genFunc);
48 JSHandle<JSHClass> hclass = JSHandle<JSHClass>::Cast(env->GetGeneratorFunctionClass());
49 JSHandle<JSFunction> generatorFunc = JSHandle<JSFunction>::Cast(factory->NewJSObject(hclass));
50 JSFunction::InitializeJSFunction(vm->GetJSThread(), generatorFunc, FunctionKind::GENERATOR_FUNCTION);
51 JSHandle<JSTaggedValue> genObjTagHandleVal = JSHandle<JSTaggedValue>::Cast(genObjHandleVal);
52 Local<JSValueRef> genObjectRef = JSNApiHelper::ToLocal<GeneratorObjectRef>(genObjTagHandleVal);
53 genObjectRef->IsGeneratorObject(vm);
54 }
55 JSNApi::DestroyJSVM(vm);
56 }
57 }
58
59 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)60 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
61 {
62 // Run your code on data.
63 OHOS::IsGeneratorObjectFuzzTest(data, size);
64 return 0;
65 }