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 "displaymmap_fuzzer.h"
17 #include "buffer_handle.h"
18 #include "display_gralloc_client.h"
19
20 using namespace OHOS::HDI::Display::V1_0;
21
22 namespace OHOS {
DisplayMmapFuzzTest(const uint8_t * data,size_t size)23 bool DisplayMmapFuzzTest(const uint8_t* data, size_t size)
24 {
25 bool result = false;
26 int32_t ret;
27 BufferHandle handle;
28 handle.height = *(reinterpret_cast<int32_t *>(const_cast<uint8_t *>(data)));
29 handle.width = *(reinterpret_cast<int32_t *>(const_cast<uint8_t *>(data)));
30
31 if (!IDisplayGralloc::Get()->Mmap(handle)) {
32 result = true;
33 }
34
35 ret = DisplayGrallocClient::Get()->Unmap(handle);
36 if (!ret) {
37 result = true;
38 }
39 return result;
40 }
41 }
42
43 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)44 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
45 {
46 /* Run your code on data */
47 OHOS::DisplayMmapFuzzTest(data, size);
48 return 0;
49 }
50
51