1 /*
2 * Copyright (c) 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 #include "ffrttimer_fuzzer.h"
16
17 #include <cstddef>
18 #include <cstdint>
19
20 #include "cloud_fuzzer_helper.h"
21 #include "ffrt_timer.h"
22
23 namespace OHOS {
24 constexpr size_t U32_AT_SIZE = 4;
25
26 using namespace OHOS::FileManagement::CloudFile;
27 using namespace std;
28
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)29 bool DoSomethingInterestingWithMyAPI(const uint8_t *data, size_t size)
30 {
31 FuzzData fuzzData(data, size);
32 int len = static_cast<int>(size - (U32_AT_SIZE << 1));
33 string name = fuzzData.GetStringFromData(len + 1);
34 FfrtTimer fTimer{name};
35 uint32_t interval = fuzzData.GetData<uint32_t>();
36 uint32_t repatTimes = fuzzData.GetData<uint32_t>();
37 fTimer.Start([]() -> void {}, interval, repatTimes);
38 fTimer.Start([]() -> void {}, interval, repatTimes);
39 fTimer.Stop();
40 return true;
41 }
42 } // namespace OHOS
43
44 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)45 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
46 {
47 /* Run your code on data */
48 if (data == nullptr || size <= (OHOS::U32_AT_SIZE << 1)) {
49 return 0;
50 }
51
52 OHOS::DoSomethingInterestingWithMyAPI(data, size);
53 return 0;
54 }
55