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/IGraphicBufferProducer.h>
21 #include <gui/Surface.h>
22 #include <gui/Flags.h> // remove with WB_LIBCAMERASERVICE_WITH_DEPENDENCIES
23 #include <gui/SurfaceComposerClient.h>
24 #include "camera2common.h"
25
26 using namespace std;
27 using namespace android;
28 using namespace android::hardware::camera2::params;
29
30 constexpr int8_t kMaxLoopIterations = 100;
31 constexpr int32_t kSizeMin = 0;
32 constexpr int32_t kSizeMax = 1000;
33
34 class C2OutputConfigurationFuzzer {
35 public:
36 void process(const uint8_t* data, size_t size);
37
38 private:
39 void invokeC2OutputConfigFuzzer();
40 unique_ptr<OutputConfiguration> getC2OutputConfig();
41 sp<SurfaceType> createSurface();
42 FuzzedDataProvider* mFDP = nullptr;
43 };
44
createSurface()45 sp<SurfaceType> C2OutputConfigurationFuzzer::createSurface() {
46 sp<SurfaceComposerClient> composerClient = new SurfaceComposerClient;
47 sp<SurfaceControl> surfaceControl = composerClient->createSurface(
48 static_cast<String8>(mFDP->ConsumeRandomLengthString(kMaxBytes).c_str()) /* name */,
49 mFDP->ConsumeIntegral<uint32_t>() /* width */,
50 mFDP->ConsumeIntegral<uint32_t>() /* height */,
51 mFDP->ConsumeIntegral<int32_t>() /* format */,
52 mFDP->ConsumeIntegral<int32_t>() /* flags */);
53 if (surfaceControl) {
54 sp<Surface> surface = surfaceControl->getSurface();
55 return flagtools::surfaceToSurfaceType(surface);
56 } else {
57 return nullptr;
58 }
59 }
60
getC2OutputConfig()61 unique_ptr<OutputConfiguration> C2OutputConfigurationFuzzer::getC2OutputConfig() {
62 unique_ptr<OutputConfiguration> outputConfiguration = nullptr;
63 auto selectOutputConfigurationConstructor =
64 mFDP->PickValueInArray<const std::function<void()>>({
65 [&]() { outputConfiguration = make_unique<OutputConfiguration>(); },
66
67 [&]() {
68 int32_t rotation = mFDP->ConsumeIntegral<int32_t>();
69 string physicalCameraId = mFDP->ConsumeRandomLengthString(kMaxBytes);
70 int32_t surfaceSetID = mFDP->ConsumeIntegral<int32_t>();
71 bool isShared = mFDP->ConsumeBool();
72 sp<SurfaceType> surface = createSurface();
73 outputConfiguration = make_unique<OutputConfiguration>(
74 surface, rotation, physicalCameraId, surfaceSetID, isShared);
75 },
76
77 [&]() {
78 int32_t rotation = mFDP->ConsumeIntegral<int32_t>();
79 string physicalCameraId = mFDP->ConsumeRandomLengthString(kMaxBytes);
80 int32_t surfaceSetID = mFDP->ConsumeIntegral<int32_t>();
81 bool isShared = mFDP->ConsumeBool();
82 size_t surfaceSize =
83 mFDP->ConsumeIntegralInRange<size_t>(kSizeMin, kSizeMax);
84 vector<sp<SurfaceType>> surfaces;
85 for (size_t idx = 0; idx < surfaceSize; ++idx) {
86 sp<SurfaceType> surface = createSurface();
87 surfaces.push_back(surface);
88 }
89 outputConfiguration = make_unique<OutputConfiguration>(
90 surfaces, rotation, physicalCameraId, surfaceSetID, isShared);
91 },
92 });
93 selectOutputConfigurationConstructor();
94 return outputConfiguration;
95 }
96
invokeC2OutputConfigFuzzer()97 void C2OutputConfigurationFuzzer::invokeC2OutputConfigFuzzer() {
98 unique_ptr<OutputConfiguration> outputConfiguration = getC2OutputConfig();
99 int8_t count = kMaxLoopIterations;
100 while (--count > 0) {
101 unique_ptr<OutputConfiguration> outputConfiguration2 = getC2OutputConfig();
102 auto callC2OutputConfAPIs = mFDP->PickValueInArray<const std::function<void()>>({
103 [&]() { outputConfiguration->getRotation(); },
104 [&]() { outputConfiguration->getSurfaceSetID(); },
105 [&]() { outputConfiguration->getSurfaceType(); },
106 [&]() { outputConfiguration->getWidth(); },
107 [&]() { outputConfiguration->getHeight(); },
108 [&]() { outputConfiguration->isDeferred(); },
109 [&]() { outputConfiguration->isShared(); },
110 [&]() { outputConfiguration->getPhysicalCameraId(); },
111 [&]() { outputConfiguration->surfacesEqual(*outputConfiguration2); },
112 [&]() { outputConfiguration->sensorPixelModesUsedEqual(*outputConfiguration2); },
113 [&]() { outputConfiguration->surfacesLessThan(*outputConfiguration2); },
114 [&]() { outputConfiguration->sensorPixelModesUsedLessThan(*outputConfiguration2); },
115 [&]() { outputConfiguration->getSurfaces(); },
116 [&]() {
117 sp<SurfaceType> surface = createSurface();
118 outputConfiguration->addSurface(surface);
119 },
120 [&]() { outputConfiguration->isMultiResolution(); },
121 [&]() { outputConfiguration->getColorSpace(); },
122 [&]() { outputConfiguration->getStreamUseCase(); },
123 [&]() { outputConfiguration->getTimestampBase(); },
124 [&]() {
125 sp<SurfaceType> surface = createSurface();
126 outputConfiguration->getMirrorMode(surface);
127 },
128 [&]() { outputConfiguration->useReadoutTimestamp(); },
129 });
130 callC2OutputConfAPIs();
131 }
132 // Not keeping invokeReadWrite() APIs in while loop to avoid possible OOM.
133 invokeReadWriteNullParcel<OutputConfiguration>(outputConfiguration.get());
134 if (mFDP->ConsumeBool()) {
135 invokeReadWriteParcel<OutputConfiguration>(outputConfiguration.get());
136 } else {
137 invokeNewReadWriteParcel<OutputConfiguration>(outputConfiguration.get(), *mFDP);
138 }
139 }
140
process(const uint8_t * data,size_t size)141 void C2OutputConfigurationFuzzer::process(const uint8_t* data, size_t size) {
142 mFDP = new FuzzedDataProvider(data, size);
143 invokeC2OutputConfigFuzzer();
144 delete mFDP;
145 }
146
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)147 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
148 C2OutputConfigurationFuzzer c2OutputConfigurationFuzzer;
149 c2OutputConfigurationFuzzer.process(data, size);
150 return 0;
151 }
152