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
16 #include "vsyncadapter_fuzzer.h"
17
18 #include <cstring>
19 #include <fuzzer/FuzzedDataProvider.h>
20
21 #define private public
22 #include "vsync_adapter_impl.h"
23 #undef private
24
25 using namespace OHOS::NWeb;
26
27 namespace OHOS {
OnVsyncCallback()28 static void OnVsyncCallback() {}
29 constexpr int MAX_SET_NUMBER = 1000;
30 constexpr uint8_t MAX_STRING_LENGTH = 64;
31
CameraManagerAdapterFuzzTest(const uint8_t * data,size_t size)32 bool CameraManagerAdapterFuzzTest(const uint8_t* data, size_t size)
33 {
34 if ((data == nullptr) || (size == 0)) {
35 return false;
36 }
37 VSyncAdapterImpl& adapter = VSyncAdapterImpl::GetInstance();
38 adapter.Init();
39 adapter.Init();
40
41 VSyncAdapterImpl vsyncAdapter;
42 void* client = nullptr;
43 FuzzedDataProvider dataProvider(data, size);
44 int64_t timestamp = dataProvider.ConsumeIntegralInRange<int64_t>(0, MAX_SET_NUMBER);
45 adapter.OnVsync(timestamp, client);
46 client = &vsyncAdapter;
47 adapter.OnVsync(timestamp, client);
48 adapter.VsyncCallbackInner(1);
49 adapter.GetVSyncPeriod();
50 adapter.SetFrameRateLinkerEnable(true);
51 adapter.SetFramePreferredRate(0);
52 adapter.frameRateLinker_ = nullptr;
53 adapter.SetFrameRateLinkerEnable(true);
54 adapter.SetFramePreferredRate(0);
55 adapter.vsyncHandler_ = nullptr;
56 adapter.SetOnVsyncCallback(OnVsyncCallback);
57 adapter.SetOnVsyncEndCallback(OnVsyncCallback);
58 adapter.OnVsync(1, client);
59 adapter.SetIsGPUProcess(false);
60 adapter.hasReportedKeyThread_ = true;
61 adapter.hasRequestedVsync_ = true;
62 adapter.RequestVsync(nullptr, nullptr);
63 adapter.hasRequestedVsync_ = false;
64 adapter.RequestVsync(nullptr, nullptr);
65 const std::string sceneName = dataProvider.ConsumeRandomLengthString(MAX_STRING_LENGTH);
66 uint32_t state = dataProvider.ConsumeIntegralInRange<uint32_t>(0, MAX_SET_NUMBER);
67 adapter.SetScene(sceneName, state);
68 adapter.InitAPSClient();
69 adapter.UninitAPSClient();
70 adapter.SetDVSyncSwitch(true);
71
72 return true;
73 }
74 } // namespace OHOS
75
76 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)77 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
78 {
79 /* Run your code on data */
80 OHOS::CameraManagerAdapterFuzzTest(data, size);
81 return 0;
82 }
83