1 /*
2 * Copyright (c) 2021 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 "audiocapturereqmmapbufferdesc_fuzzer.h"
17 #include "securec.h"
18 #include "audio_hdi_fuzzer_common.h"
19
20 using namespace OHOS::Audio;
21 namespace OHOS {
22 namespace Audio {
AudioCaptureReqmmapbufferDescFuzzTest(const uint8_t * data,size_t size)23 bool AudioCaptureReqmmapbufferDescFuzzTest(const uint8_t *data, size_t size)
24 {
25 bool result = false;
26 TestAudioManager *reqMmapFuzzManager = nullptr;
27 struct AudioAdapter *reqMmapFuzzAdapter = nullptr;
28 struct AudioCapture *reqMmapFuzzCapture = nullptr;
29 int32_t ret = AudioGetManagerCreateStartCapture(reqMmapFuzzManager, &reqMmapFuzzAdapter, &reqMmapFuzzCapture);
30 if (ret < 0 || reqMmapFuzzAdapter == nullptr ||
31 reqMmapFuzzCapture == nullptr || reqMmapFuzzManager == nullptr) {
32 HDF_LOGE("%{public}s: AudioGetManagerCreateStartCapture failed \n", __func__);
33 return false;
34 }
35
36 struct AudioMmapBufferDescripter descFuzz = {};
37 int32_t copySize = sizeof(descFuzz) > size ? size : sizeof(descFuzz);
38 if (memcpy_s((void *)&descFuzz, sizeof(descFuzz), data, copySize) != 0) {
39 return false;
40 }
41 ret = reqMmapFuzzCapture->attr.ReqMmapBuffer((AudioHandle)reqMmapFuzzCapture, size, &descFuzz);
42 if (ret == HDF_SUCCESS) {
43 (void)munmap(descFuzz.memoryAddress, size);
44 result = true;
45 }
46 reqMmapFuzzAdapter->DestroyCapture(reqMmapFuzzAdapter, reqMmapFuzzCapture);
47 reqMmapFuzzManager->UnloadAdapter(reqMmapFuzzManager, reqMmapFuzzAdapter);
48 return result;
49 }
50 }
51 }
52
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)53 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
54 {
55 OHOS::Audio::AudioCaptureReqmmapbufferDescFuzzTest(data, size);
56 return 0;
57 }