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 "snapshotserializehugeobject_fuzzer.h"
17
18 #include "ecmascript/log_wrapper.h"
19 #include "ecmascript/object_factory.h"
20 #include "ecmascript/snapshot/mem/snapshot.h"
21
22 using namespace panda;
23 using namespace panda::ecmascript;
24
25 namespace OHOS {
SnapshotSerializeHugeObjectFuzzTest(const uint8_t * data,size_t size)26 void SnapshotSerializeHugeObjectFuzzTest(const uint8_t* data, size_t size)
27 {
28 RuntimeOption option;
29 option.SetLogLevel(RuntimeOption::LOG_LEVEL::ERROR);
30 EcmaVM *vm = JSNApi::CreateJSVM(option);
31 if (size <= 0) {
32 return;
33 }
34 auto factory = vm->GetFactory();
35 const uint32_t hugeSize = 256 * 1024;
36 JSHandle<TaggedArray> array = factory->NewTaggedArray(hugeSize + *data); // new huge object tagged array
37 if (*data > 0) {
38 JSHandle<TaggedArray> array1 = factory->NewTaggedArray(hugeSize + *data);
39 array->Set(vm->GetAssociatedJSThread(), 0, array1.GetTaggedValue());
40 }
41 const CString fileName = "snapshot";
42 Snapshot snapshotSerialize(vm);
43 // serialize
44 snapshotSerialize.Serialize(*array, nullptr, fileName);
45 // deserialize
46 Snapshot snapshotDeserialize(vm);
47 snapshotDeserialize.Deserialize(SnapshotType::VM_ROOT, fileName);
48 // remove snapshot file if exist
49 std::remove(fileName.c_str());
50
51 JSNApi::DestroyJSVM(vm);
52 }
53 }
54
55 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)56 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
57 {
58 // Run your code on data.
59 OHOS::SnapshotSerializeHugeObjectFuzzTest(data, size);
60 return 0;
61 }