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 <cstddef>
16 #include <cstdint>
17 #include "native_avcodec_videodecoder.h"
18 #include "native_averrors.h"
19 #include "native_avcodec_base.h"
20 #include "videodec_sample.h"
21 using namespace std;
22 using namespace OHOS;
23 using namespace OHOS::Media;
24 #define FUZZ_PROJECT_NAME "hwdecoder_fuzzer"
25
26 static VDecFuzzSample *g_vDecSample = nullptr;
27 constexpr uint32_t DEFAULT_WIDTH = 1920;
28 constexpr uint32_t DEFAULT_HEIGHT = 1080;
29 constexpr uint32_t SPS_SIZE = 0x19;
30 constexpr uint32_t PPS_SIZE = 0x05;
31 constexpr uint32_t START_CODE_SIZE = 4;
32 constexpr uint8_t SPS[SPS_SIZE + START_CODE_SIZE] = {0x00, 0x00, 0x00, 0x01, 0x67, 0x64, 0x00, 0x28, 0xAC,
33 0xB4, 0x03, 0xC0, 0x11, 0x3F, 0x2E, 0x02, 0x20, 0x00,
34 0x00, 0x03, 0x00, 0x20, 0x00, 0x00, 0x07, 0x81, 0xE3,
35 0x06, 0x54};
36 constexpr uint8_t PPS[PPS_SIZE + START_CODE_SIZE] = {0x00, 0x00, 0x00, 0x01, 0x68, 0xEF, 0x0F, 0x2C, 0x8B};
37 bool g_isSurfMode = true;
38
RunNormalDecoder()39 void RunNormalDecoder()
40 {
41 VDecFuzzSample *vDecSample = new VDecFuzzSample();
42 vDecSample->defaultWidth = DEFAULT_WIDTH;
43 vDecSample->defaultHeight = DEFAULT_HEIGHT;
44 vDecSample->CreateVideoDecoder();
45 vDecSample->ConfigureVideoDecoder();
46 vDecSample->SetVideoDecoderCallback();
47 vDecSample->StartVideoDecoder();
48 vDecSample->WaitForEOS();
49 delete vDecSample;
50
51 vDecSample = new VDecFuzzSample();
52 vDecSample->isSurfMode = true;
53 vDecSample->defaultWidth = DEFAULT_WIDTH;
54 vDecSample->defaultHeight = DEFAULT_HEIGHT;
55 vDecSample->CreateVideoDecoder();
56 vDecSample->ConfigureVideoDecoder();
57 vDecSample->SetVideoDecoderCallback();
58 vDecSample->StartVideoDecoder();
59 vDecSample->WaitForEOS();
60 delete vDecSample;
61 }
62
63 bool g_needRunNormalDecoder = true;
64 namespace OHOS {
HwdecoderFuzzTest(const uint8_t * data,size_t size)65 bool HwdecoderFuzzTest(const uint8_t *data, size_t size)
66 {
67 if (size < sizeof(int32_t)) {
68 return false;
69 }
70 if (g_needRunNormalDecoder) {
71 g_needRunNormalDecoder = false;
72 RunNormalDecoder();
73 }
74 int32_t data_ = *reinterpret_cast<const int32_t *>(data);
75 if (!g_vDecSample) {
76 g_vDecSample = new VDecFuzzSample();
77 g_vDecSample->defaultWidth = DEFAULT_WIDTH;
78 g_vDecSample->defaultHeight = DEFAULT_HEIGHT;
79 g_vDecSample->CreateVideoDecoder();
80 g_vDecSample->ConfigureVideoDecoder();
81 g_vDecSample->SetVideoDecoderCallback();
82 g_vDecSample->Start();
83 g_vDecSample->InputFuncFUZZ(SPS, SPS_SIZE + START_CODE_SIZE);
84 g_vDecSample->InputFuncFUZZ(PPS, PPS_SIZE + START_CODE_SIZE);
85 }
86 OH_AVErrCode ret = g_vDecSample->InputFuncFUZZ(data, size);
87 g_vDecSample->SetParameter(data_);
88 if (ret == AV_ERR_NO_MEMORY) {
89 g_vDecSample->Flush();
90 g_vDecSample->Stop();
91 g_vDecSample->Reset();
92 delete g_vDecSample;
93 g_vDecSample = nullptr;
94 return false;
95 }
96 return true;
97 }
98 } // namespace OHOS
99
100 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)101 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
102 {
103 /* Run your code on data */
104 OHOS::HwdecoderFuzzTest(data, size);
105 return 0;
106 }
107