Florian Mayer | 60d1e13 | 2018-01-26 15:00:52 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2018 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 <stddef.h> |
| 18 | #include <stdint.h> |
| 19 | #include <unistd.h> |
| 20 | |
| 21 | #include "perfetto/base/logging.h" |
| 22 | #include "perfetto/base/task_runner.h" |
| 23 | #include "perfetto/base/utils.h" |
| 24 | #include "perfetto/ipc/host.h" |
Hector Dearman | faa22f8 | 2018-02-14 12:02:51 +0000 | [diff] [blame] | 25 | #include "perfetto/trace/test_event.pbzero.h" |
Florian Mayer | 60d1e13 | 2018-01-26 15:00:52 +0000 | [diff] [blame] | 26 | #include "perfetto/trace/trace_packet.pb.h" |
| 27 | #include "perfetto/trace/trace_packet.pbzero.h" |
| 28 | #include "perfetto/tracing/core/data_source_config.h" |
| 29 | #include "perfetto/tracing/core/data_source_descriptor.h" |
| 30 | #include "perfetto/tracing/core/producer.h" |
| 31 | #include "perfetto/tracing/core/trace_writer.h" |
| 32 | #include "perfetto/tracing/ipc/producer_ipc_client.h" |
| 33 | #include "perfetto/tracing/ipc/service_ipc_host.h" |
| 34 | #include "src/base/test/test_task_runner.h" |
| 35 | #include "test/fake_consumer.h" |
| 36 | #include "test/task_runner_thread.h" |
Lalit Maganti | bfc3d3e | 2018-03-22 20:28:38 +0000 | [diff] [blame] | 37 | #include "test/task_runner_thread_delegates.h" |
Florian Mayer | 60d1e13 | 2018-01-26 15:00:52 +0000 | [diff] [blame] | 38 | |
Florian Mayer | 60d1e13 | 2018-01-26 15:00:52 +0000 | [diff] [blame] | 39 | namespace perfetto { |
| 40 | namespace shm_fuzz { |
| 41 | |
Florian Mayer | 43374ba | 2018-02-16 13:35:16 +0000 | [diff] [blame] | 42 | static const char* kProducerSocket = tempnam("/tmp", "perfetto-producer"); |
| 43 | static const char* kConsumerSocket = tempnam("/tmp", "perfetto-consumer"); |
| 44 | |
Florian Mayer | 60d1e13 | 2018-01-26 15:00:52 +0000 | [diff] [blame] | 45 | // Fake producer writing a protozero message of data into shared memory |
| 46 | // buffer, followed by a sentinel message to signal completion to the |
| 47 | // consumer. |
| 48 | class FakeProducer : public Producer { |
| 49 | public: |
Florian Mayer | 20c2c72 | 2018-02-15 14:10:16 +0000 | [diff] [blame] | 50 | FakeProducer(std::string name, |
| 51 | const uint8_t* data, |
| 52 | size_t size, |
Lalit Maganti | dd95ef9 | 2018-03-23 09:42:48 +0000 | [diff] [blame^] | 53 | std::function<void()> on_produced_and_committed) |
| 54 | : name_(std::move(name)), |
| 55 | data_(data), |
| 56 | size_(size), |
| 57 | on_produced_and_committed_(on_produced_and_committed) {} |
Florian Mayer | 60d1e13 | 2018-01-26 15:00:52 +0000 | [diff] [blame] | 58 | |
| 59 | void Connect(const char* socket_name, base::TaskRunner* task_runner) { |
| 60 | endpoint_ = ProducerIPCClient::Connect(socket_name, this, task_runner); |
| 61 | } |
| 62 | |
| 63 | void OnConnect() override { |
| 64 | DataSourceDescriptor descriptor; |
| 65 | descriptor.set_name(name_); |
| 66 | endpoint_->RegisterDataSource(descriptor, |
| 67 | [this](DataSourceID id) { id_ = id; }); |
| 68 | } |
| 69 | |
| 70 | void OnDisconnect() override {} |
| 71 | |
| 72 | void CreateDataSourceInstance( |
| 73 | DataSourceInstanceID, |
| 74 | const DataSourceConfig& source_config) override { |
Lalit Maganti | dd95ef9 | 2018-03-23 09:42:48 +0000 | [diff] [blame^] | 75 | auto trace_writer = endpoint_->CreateTraceWriter( |
| 76 | static_cast<BufferID>(source_config.target_buffer())); |
Primiano Tucci | ecf9e4a | 2018-03-14 14:51:58 +0000 | [diff] [blame] | 77 | { |
Primiano Tucci | ecf9e4a | 2018-03-14 14:51:58 +0000 | [diff] [blame] | 78 | auto packet = trace_writer->NewTracePacket(); |
| 79 | packet->stream_writer_->WriteBytes(data_, size_); |
Primiano Tucci | ecf9e4a | 2018-03-14 14:51:58 +0000 | [diff] [blame] | 80 | } |
Lalit Maganti | dd95ef9 | 2018-03-23 09:42:48 +0000 | [diff] [blame^] | 81 | trace_writer->Flush(); |
| 82 | |
Primiano Tucci | ecf9e4a | 2018-03-14 14:51:58 +0000 | [diff] [blame] | 83 | { |
Primiano Tucci | ecf9e4a | 2018-03-14 14:51:58 +0000 | [diff] [blame] | 84 | auto end_packet = trace_writer->NewTracePacket(); |
| 85 | end_packet->set_for_testing()->set_str("end"); |
Primiano Tucci | ecf9e4a | 2018-03-14 14:51:58 +0000 | [diff] [blame] | 86 | } |
Lalit Maganti | dd95ef9 | 2018-03-23 09:42:48 +0000 | [diff] [blame^] | 87 | trace_writer->Flush(on_produced_and_committed_); |
Florian Mayer | 60d1e13 | 2018-01-26 15:00:52 +0000 | [diff] [blame] | 88 | } |
| 89 | |
| 90 | void TearDownDataSourceInstance(DataSourceInstanceID) override {} |
Isabelle Taylor | 69faa90 | 2018-03-21 15:42:03 +0000 | [diff] [blame] | 91 | void OnTracingStart() override {} |
| 92 | void OnTracingStop() override {} |
Florian Mayer | 60d1e13 | 2018-01-26 15:00:52 +0000 | [diff] [blame] | 93 | |
| 94 | private: |
| 95 | const std::string name_; |
| 96 | const uint8_t* data_; |
| 97 | const size_t size_; |
| 98 | DataSourceID id_ = 0; |
| 99 | std::unique_ptr<Service::ProducerEndpoint> endpoint_; |
Lalit Maganti | dd95ef9 | 2018-03-23 09:42:48 +0000 | [diff] [blame^] | 100 | std::function<void()> on_produced_and_committed_; |
Florian Mayer | 60d1e13 | 2018-01-26 15:00:52 +0000 | [diff] [blame] | 101 | }; |
| 102 | |
| 103 | class FakeProducerDelegate : public ThreadDelegate { |
| 104 | public: |
Lalit Maganti | dd95ef9 | 2018-03-23 09:42:48 +0000 | [diff] [blame^] | 105 | FakeProducerDelegate(const uint8_t* data, |
| 106 | size_t size, |
| 107 | std::function<void()> on_produced_and_committed) |
| 108 | : data_(data), |
| 109 | size_(size), |
| 110 | on_produced_and_committed_(on_produced_and_committed) {} |
Florian Mayer | 60d1e13 | 2018-01-26 15:00:52 +0000 | [diff] [blame] | 111 | ~FakeProducerDelegate() override = default; |
| 112 | |
| 113 | void Initialize(base::TaskRunner* task_runner) override { |
Florian Mayer | 20c2c72 | 2018-02-15 14:10:16 +0000 | [diff] [blame] | 114 | producer_.reset(new FakeProducer("android.perfetto.FakeProducer", data_, |
Lalit Maganti | dd95ef9 | 2018-03-23 09:42:48 +0000 | [diff] [blame^] | 115 | size_, on_produced_and_committed_)); |
Florian Mayer | 43374ba | 2018-02-16 13:35:16 +0000 | [diff] [blame] | 116 | producer_->Connect(kProducerSocket, task_runner); |
Florian Mayer | 60d1e13 | 2018-01-26 15:00:52 +0000 | [diff] [blame] | 117 | } |
| 118 | |
| 119 | private: |
| 120 | std::unique_ptr<FakeProducer> producer_; |
| 121 | const uint8_t* data_; |
| 122 | const size_t size_; |
Lalit Maganti | dd95ef9 | 2018-03-23 09:42:48 +0000 | [diff] [blame^] | 123 | std::function<void()> on_produced_and_committed_; |
Florian Mayer | 60d1e13 | 2018-01-26 15:00:52 +0000 | [diff] [blame] | 124 | }; |
| 125 | |
Florian Mayer | 60d1e13 | 2018-01-26 15:00:52 +0000 | [diff] [blame] | 126 | int FuzzSharedMemory(const uint8_t* data, size_t size); |
| 127 | |
| 128 | int FuzzSharedMemory(const uint8_t* data, size_t size) { |
Lalit Maganti | dd95ef9 | 2018-03-23 09:42:48 +0000 | [diff] [blame^] | 129 | base::TestTaskRunner task_runner; |
| 130 | |
Lalit Maganti | bfc3d3e | 2018-03-22 20:28:38 +0000 | [diff] [blame] | 131 | TaskRunnerThread service_thread("perfetto.svc"); |
| 132 | service_thread.Start(std::unique_ptr<ServiceDelegate>( |
| 133 | new ServiceDelegate(kProducerSocket, kConsumerSocket))); |
Florian Mayer | 60d1e13 | 2018-01-26 15:00:52 +0000 | [diff] [blame] | 134 | |
Lalit Maganti | dd95ef9 | 2018-03-23 09:42:48 +0000 | [diff] [blame^] | 135 | auto on_produced_and_committed = |
| 136 | task_runner.CreateCheckpoint("produced.and.committed"); |
| 137 | auto posted_on_produced_and_committed = [&task_runner, |
| 138 | &on_produced_and_committed] { |
| 139 | task_runner.PostTask(on_produced_and_committed); |
| 140 | }; |
| 141 | TaskRunnerThread producer_thread("perfetto.prd"); |
| 142 | producer_thread.Start(std::unique_ptr<FakeProducerDelegate>( |
| 143 | new FakeProducerDelegate(data, size, posted_on_produced_and_committed))); |
| 144 | |
Florian Mayer | 60d1e13 | 2018-01-26 15:00:52 +0000 | [diff] [blame] | 145 | // Setup the TraceConfig for the consumer. |
| 146 | TraceConfig trace_config; |
Florian Mayer | 4c3580f | 2018-02-12 15:59:55 +0000 | [diff] [blame] | 147 | trace_config.add_buffers()->set_size_kb(8); |
Florian Mayer | 60d1e13 | 2018-01-26 15:00:52 +0000 | [diff] [blame] | 148 | |
Lalit Maganti | dd95ef9 | 2018-03-23 09:42:48 +0000 | [diff] [blame^] | 149 | // Create the buffer for the fake producer. |
Florian Mayer | 60d1e13 | 2018-01-26 15:00:52 +0000 | [diff] [blame] | 150 | auto* ds_config = trace_config.add_data_sources()->mutable_config(); |
| 151 | ds_config->set_name("android.perfetto.FakeProducer"); |
| 152 | ds_config->set_target_buffer(0); |
| 153 | |
Lalit Maganti | dd95ef9 | 2018-03-23 09:42:48 +0000 | [diff] [blame^] | 154 | auto on_readback_complete = task_runner.CreateCheckpoint("readback.complete"); |
| 155 | auto on_consumer_data = [&on_readback_complete]( |
| 156 | std::vector<TracePacket> packets, bool has_more) { |
Florian Mayer | 60d1e13 | 2018-01-26 15:00:52 +0000 | [diff] [blame] | 157 | for (auto& p : packets) { |
| 158 | p.Decode(); |
Hector Dearman | faa22f8 | 2018-02-14 12:02:51 +0000 | [diff] [blame] | 159 | if (p->for_testing().str() == "end") |
Lalit Maganti | dd95ef9 | 2018-03-23 09:42:48 +0000 | [diff] [blame^] | 160 | on_readback_complete(); |
Florian Mayer | 60d1e13 | 2018-01-26 15:00:52 +0000 | [diff] [blame] | 161 | } |
| 162 | }; |
Lalit Maganti | dd95ef9 | 2018-03-23 09:42:48 +0000 | [diff] [blame^] | 163 | |
Lalit Maganti | bfc3d3e | 2018-03-22 20:28:38 +0000 | [diff] [blame] | 164 | auto on_connect = task_runner.CreateCheckpoint("consumer.connected"); |
| 165 | FakeConsumer consumer(trace_config, std::move(on_connect), |
Lalit Maganti | dd95ef9 | 2018-03-23 09:42:48 +0000 | [diff] [blame^] | 166 | std::move(on_consumer_data), &task_runner); |
| 167 | |
Florian Mayer | 43374ba | 2018-02-16 13:35:16 +0000 | [diff] [blame] | 168 | consumer.Connect(kConsumerSocket); |
Lalit Maganti | bfc3d3e | 2018-03-22 20:28:38 +0000 | [diff] [blame] | 169 | task_runner.RunUntilCheckpoint("consumer.connected"); |
Florian Mayer | 20c2c72 | 2018-02-15 14:10:16 +0000 | [diff] [blame] | 170 | |
Lalit Maganti | bfc3d3e | 2018-03-22 20:28:38 +0000 | [diff] [blame] | 171 | consumer.EnableTracing(); |
Lalit Maganti | dd95ef9 | 2018-03-23 09:42:48 +0000 | [diff] [blame^] | 172 | task_runner.RunUntilCheckpoint("produced.and.committed"); |
Lalit Maganti | bfc3d3e | 2018-03-22 20:28:38 +0000 | [diff] [blame] | 173 | |
Lalit Maganti | dd95ef9 | 2018-03-23 09:42:48 +0000 | [diff] [blame^] | 174 | consumer.ReadTraceData(); |
| 175 | task_runner.RunUntilCheckpoint("readback.complete"); |
| 176 | |
| 177 | consumer.Disconnect(); |
| 178 | |
Florian Mayer | 60d1e13 | 2018-01-26 15:00:52 +0000 | [diff] [blame] | 179 | return 0; |
| 180 | } |
| 181 | |
| 182 | } // namespace shm_fuzz |
| 183 | } // namespace perfetto |
| 184 | |
| 185 | extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size); |
| 186 | |
| 187 | extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) { |
| 188 | return perfetto::shm_fuzz::FuzzSharedMemory(data, size); |
| 189 | } |