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 <fuzzer/FuzzedDataProvider.h>
17 #include "snapshotserializehugeobject_fuzzer.h"
18
19 #include "ecmascript/log_wrapper.h"
20 #include "ecmascript/object_factory.h"
21 #include "ecmascript/snapshot/mem/snapshot.h"
22
23 using namespace panda;
24 using namespace panda::ecmascript;
25
26 namespace OHOS {
SnapshotSerializeHugeObjectFuzzTest(const uint8_t * data,size_t size)27 void SnapshotSerializeHugeObjectFuzzTest(const uint8_t* data, size_t size)
28 {
29 RuntimeOption option;
30 option.SetLogLevel(common::LOG_LEVEL::ERROR);
31 EcmaVM *vm = JSNApi::CreateJSVM(option);
32 {
33 JsiFastNativeScope scope(vm);
34 if (size <= 0) {
35 return;
36 }
37 auto factory = vm->GetFactory();
38 const uint32_t hugeSize = 256 * 1024;
39 FuzzedDataProvider fdp(data, size);
40 const uint32_t len1 = fdp.ConsumeIntegralInRange<uint32_t>(hugeSize, hugeSize * 2);
41 JSHandle<TaggedArray> array = factory->NewTaggedArray(len1); // new huge object tagged array
42 const bool anotherArray = fdp.ConsumeBool();
43 if (anotherArray) {
44 const uint32_t len2 = fdp.ConsumeIntegralInRange<uint32_t>(hugeSize, hugeSize * 2);
45 JSHandle<TaggedArray> array1 = factory->NewTaggedArray(len2);
46 array->Set(vm->GetAssociatedJSThread(), 0, array1.GetTaggedValue());
47 }
48 const CString fileName = "snapshot";
49 Snapshot snapshotSerialize(vm);
50 // serialize
51 snapshotSerialize.Serialize(*array, nullptr, fileName);
52 // deserialize
53 Snapshot snapshotDeserialize(vm);
54 snapshotDeserialize.Deserialize(SnapshotType::VM_ROOT, fileName);
55 // remove snapshot file if exist
56 std::remove(fileName.c_str());
57 }
58 JSNApi::DestroyJSVM(vm);
59 }
60 }
61
62 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)63 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
64 {
65 // Run your code on data.
66 OHOS::SnapshotSerializeHugeObjectFuzzTest(data, size);
67 return 0;
68 }