1 /*
2 * Copyright (C) 2022 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <camera2/OutputConfiguration.h>
18 #include <camera2/SessionConfiguration.h>
19 #include <fuzzer/FuzzedDataProvider.h>
20 #include <gui/Surface.h>
21 #include <gui/Flags.h> // remove with WB_LIBCAMERASERVICE_WITH_DEPENDENCIES
22 #include <gui/SurfaceComposerClient.h>
23 #include "camera2common.h"
24
25 using namespace std;
26 using namespace android;
27 using namespace android::hardware::camera2::params;
28
29 constexpr int8_t kMaxLoopIterations = 100;
30 constexpr int32_t kSizeMin = 0;
31 constexpr int32_t kSizeMax = 1000;
32
33 class C2OutputConfigurationFuzzer {
34 public:
35 void process(const uint8_t* data, size_t size);
36
37 private:
38 void invokeC2OutputConfigFuzzer();
39 unique_ptr<OutputConfiguration> getC2OutputConfig();
40 sp<SurfaceType> createSurface();
41 FuzzedDataProvider* mFDP = nullptr;
42 };
43
createSurface()44 sp<SurfaceType> C2OutputConfigurationFuzzer::createSurface() {
45 sp<SurfaceComposerClient> composerClient = new SurfaceComposerClient;
46 sp<SurfaceControl> surfaceControl = composerClient->createSurface(
47 static_cast<String8>(mFDP->ConsumeRandomLengthString(kMaxBytes).c_str()) /* name */,
48 mFDP->ConsumeIntegral<uint32_t>() /* width */,
49 mFDP->ConsumeIntegral<uint32_t>() /* height */,
50 mFDP->ConsumeIntegral<int32_t>() /* format */,
51 mFDP->ConsumeIntegral<int32_t>() /* flags */);
52 if (surfaceControl) {
53 sp<Surface> surface = surfaceControl->getSurface();
54 return flagtools::surfaceToSurfaceType(surface);
55 } else {
56 return nullptr;
57 }
58 }
59
getC2OutputConfig()60 unique_ptr<OutputConfiguration> C2OutputConfigurationFuzzer::getC2OutputConfig() {
61 unique_ptr<OutputConfiguration> outputConfiguration = nullptr;
62 auto selectOutputConfigurationConstructor =
63 mFDP->PickValueInArray<const std::function<void()>>({
64 [&]() { outputConfiguration = make_unique<OutputConfiguration>(); },
65
66 [&]() {
67 int32_t rotation = mFDP->ConsumeIntegral<int32_t>();
68 string physicalCameraId = mFDP->ConsumeRandomLengthString(kMaxBytes);
69 int32_t surfaceSetID = mFDP->ConsumeIntegral<int32_t>();
70 bool isShared = mFDP->ConsumeBool();
71 sp<SurfaceType> surface = createSurface();
72 ParcelableSurfaceType pSurface =
73 flagtools::convertSurfaceTypeToParcelable(surface);
74 outputConfiguration = make_unique<OutputConfiguration>(
75 pSurface, rotation, physicalCameraId, surfaceSetID, isShared);
76 },
77
78 [&]() {
79 int32_t rotation = mFDP->ConsumeIntegral<int32_t>();
80 string physicalCameraId = mFDP->ConsumeRandomLengthString(kMaxBytes);
81 int32_t surfaceSetID = mFDP->ConsumeIntegral<int32_t>();
82 bool isShared = mFDP->ConsumeBool();
83 size_t surfaceSize =
84 mFDP->ConsumeIntegralInRange<size_t>(kSizeMin, kSizeMax);
85 vector<ParcelableSurfaceType> surfaces;
86 for (size_t idx = 0; idx < surfaceSize; ++idx) {
87 sp<SurfaceType> surface = createSurface();
88 ParcelableSurfaceType pSurface =
89 flagtools::convertSurfaceTypeToParcelable(surface);
90 surfaces.push_back(pSurface);
91 }
92 outputConfiguration = make_unique<OutputConfiguration>(
93 surfaces, rotation, physicalCameraId, surfaceSetID, isShared);
94 },
95 });
96 selectOutputConfigurationConstructor();
97 return outputConfiguration;
98 }
99
invokeC2OutputConfigFuzzer()100 void C2OutputConfigurationFuzzer::invokeC2OutputConfigFuzzer() {
101 unique_ptr<OutputConfiguration> outputConfiguration = getC2OutputConfig();
102 int8_t count = kMaxLoopIterations;
103 while (--count > 0) {
104 unique_ptr<OutputConfiguration> outputConfiguration2 = getC2OutputConfig();
105 auto callC2OutputConfAPIs = mFDP->PickValueInArray<const std::function<void()>>({
106 [&]() { outputConfiguration->getRotation(); },
107 [&]() { outputConfiguration->getSurfaceSetID(); },
108 [&]() { outputConfiguration->getSurfaceType(); },
109 [&]() { outputConfiguration->getWidth(); },
110 [&]() { outputConfiguration->getHeight(); },
111 [&]() { outputConfiguration->isDeferred(); },
112 [&]() { outputConfiguration->isShared(); },
113 [&]() { outputConfiguration->getPhysicalCameraId(); },
114 [&]() { outputConfiguration->surfacesEqual(*outputConfiguration2); },
115 [&]() { outputConfiguration->sensorPixelModesUsedEqual(*outputConfiguration2); },
116 [&]() { outputConfiguration->surfacesLessThan(*outputConfiguration2); },
117 [&]() { outputConfiguration->sensorPixelModesUsedLessThan(*outputConfiguration2); },
118 [&]() { outputConfiguration->getSurfaces(); },
119 [&]() {
120 sp<SurfaceType> surface = createSurface();
121 ParcelableSurfaceType pSurface =
122 flagtools::convertSurfaceTypeToParcelable(surface);
123 outputConfiguration->addSurface(pSurface);
124 },
125 [&]() { outputConfiguration->isMultiResolution(); },
126 [&]() { outputConfiguration->getColorSpace(); },
127 [&]() { outputConfiguration->getStreamUseCase(); },
128 [&]() { outputConfiguration->getTimestampBase(); },
129 [&]() {
130 sp<SurfaceType> surface = createSurface();
131 ParcelableSurfaceType pSurface =
132 flagtools::convertSurfaceTypeToParcelable(surface);
133 outputConfiguration->getMirrorMode(pSurface);
134 },
135 [&]() { outputConfiguration->useReadoutTimestamp(); },
136 });
137 callC2OutputConfAPIs();
138 }
139 // Not keeping invokeReadWrite() APIs in while loop to avoid possible OOM.
140 invokeReadWriteNullParcel<OutputConfiguration>(outputConfiguration.get());
141 if (mFDP->ConsumeBool()) {
142 invokeReadWriteParcel<OutputConfiguration>(outputConfiguration.get());
143 } else {
144 invokeNewReadWriteParcel<OutputConfiguration>(outputConfiguration.get(), *mFDP);
145 }
146 }
147
process(const uint8_t * data,size_t size)148 void C2OutputConfigurationFuzzer::process(const uint8_t* data, size_t size) {
149 mFDP = new FuzzedDataProvider(data, size);
150 invokeC2OutputConfigFuzzer();
151 delete mFDP;
152 }
153
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)154 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
155 C2OutputConfigurationFuzzer c2OutputConfigurationFuzzer;
156 c2OutputConfigurationFuzzer.process(data, size);
157 return 0;
158 }
159