1 /*
2 * Copyright 2020 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 <fuzzer/FuzzedDataProvider.h>
18 #include <gmock/gmock.h>
19 #include "EventGenerator.h"
20 #include "MockEngine.h"
21 #include "StreamManager.h"
22
23 namespace android {
24 namespace automotive {
25 namespace computepipe {
26 namespace runner {
27 namespace stream_manager {
28
29 using android::automotive::computepipe::runner::generator::DefaultEvent;
30 using ::testing::Return;
31
32 namespace {
33
SetupStreamManager(const std::shared_ptr<MockEngine> & engine)34 std::unique_ptr<StreamManager> SetupStreamManager(const std::shared_ptr<MockEngine>& engine) {
35 StreamManagerFactory factory;
36 proto::OutputConfig config;
37 config.set_type(proto::PacketType::SEMANTIC_DATA);
38 config.set_stream_name("semantic_stream");
39 return factory.getStreamManager(config, engine, 0);
40 }
41
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)42 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
43 // Set up process
44 char* fakeData = reinterpret_cast<char*>(malloc(sizeof(char) * size));
45 memcpy(fakeData, data, size * sizeof(char));
46
47 std::shared_ptr<MemHandle> currentPacket;
48 DefaultEvent e = DefaultEvent::generateEntryEvent(DefaultEvent::Phase::RUN);
49 std::shared_ptr<MockEngine> mockEngine = std::make_shared<MockEngine>();
50 std::unique_ptr<StreamManager> manager = SetupStreamManager(mockEngine);
51 manager->handleExecutionPhase(e);
52
53 // Probably not called
54 ON_CALL((*mockEngine), dispatchPacket)
55 .WillByDefault(
56 testing::DoAll(testing::SaveArg<0>(¤tPacket), (Return(Status::SUCCESS))));
57
58 manager->queuePacket(fakeData, size, 0);
59
60 if (currentPacket) {
61 EXPECT_EQ(std::memcmp(currentPacket->getData(), fakeData, size), 0);
62 currentPacket = nullptr;
63 }
64
65 free(fakeData);
66 return 0;
67 }
68
69 } // namespace
70 } // namespace stream_manager
71 } // namespace runner
72 } // namespace computepipe
73 } // namespace automotive
74 } // namespace android
75