1 /*
2 * Copyright (c) 2025 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 "image_source_proxy_fuzzer.h"
17 #include "camera_log.h"
18
19 namespace OHOS {
20 namespace CameraStandard {
21 static constexpr int32_t MIN_SIZE_NUM = 64;
22
23 std::shared_ptr<ImageSourceProxy> ImageSourceProxyFuzzer::imageSourceProxyFuzz_{nullptr};
24
ImageSourceProxyFuzzerTest(FuzzedDataProvider & fdp)25 void ImageSourceProxyFuzzer::ImageSourceProxyFuzzerTest(FuzzedDataProvider& fdp)
26 {
27 if (fdp.remaining_bytes() < MIN_SIZE_NUM) {
28 return;
29 }
30 CHECK_EXECUTE(imageSourceProxyFuzz_ == nullptr,
31 imageSourceProxyFuzz_ = ImageSourceProxy::CreateImageSourceProxy());
32 CHECK_RETURN_ELOG(!imageSourceProxyFuzz_, "CreateImageSourceProxy Error");
33 size_t width = 256;
34 size_t height = 256;
35 size_t blockNum = ((width + 4 - 1) / 4) * ((height + 4 - 1) / 4);
36 size_t dataSize = blockNum * 16 + 16;
37 uint8_t* data = (uint8_t*)malloc(dataSize);
38 uint32_t size = fdp.ConsumeIntegral<uint32_t>();
39 if (size > dataSize) {
40 size = static_cast<uint32_t>(dataSize);
41 }
42 Media::SourceOptions opts;
43 uint32_t errorCode = fdp.ConsumeIntegral<uint32_t>();
44 imageSourceProxyFuzz_->CreateImageSource(data, size, opts, errorCode);
45
46 Media::DecodeOptions decodeOpts;
47 imageSourceProxyFuzz_->CreatePixelMap(decodeOpts, errorCode);
48 }
49
Test(uint8_t * data,size_t size)50 void Test(uint8_t* data, size_t size)
51 {
52 FuzzedDataProvider fdp(data, size);
53 auto imageSourceProxyFuzzer = std::make_unique<ImageSourceProxyFuzzer>();
54 if (imageSourceProxyFuzzer == nullptr) {
55 MEDIA_INFO_LOG("imageSourceProxyFuzzer is null");
56 return;
57 }
58 imageSourceProxyFuzzer->ImageSourceProxyFuzzerTest(fdp);
59 }
60
61 } // namespace CameraStandard
62 } // namespace OHOS
63
64 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(uint8_t * data,size_t size)65 extern "C" int LLVMFuzzerTestOneInput(uint8_t* data, size_t size)
66 {
67 OHOS::CameraStandard::Test(data, size);
68 return 0;
69 }