services/mediametrics/fuzzer/mediametrics_service_fuzzer.cpp - platform/frameworks/av - Git at Google

 /******************************************************************************
  *
  * Copyright (C) 2020 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at:
  *
  * http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  *
  *****************************************************************************
  * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
  */
 #include <fuzzer/FuzzedDataProvider.h>
 #include <media/MediaMetricsItem.h>
 #include <mediametricsservice/AudioTypes.h>
 #include <mediametricsservice/MediaMetricsService.h>
 #include <mediametricsservice/StringUtils.h>
 #include <stdio.h>
 #include <string.h>
 #include <utils/Log.h>
 #include <algorithm>

 using namespace android;

 // low water mark
 constexpr size_t kLogItemsLowWater = 1;
 // high water mark
 constexpr size_t kLogItemsHighWater = 2;

 class MediaMetricsServiceFuzzer {
    public:
     void invokeStartsWith(const uint8_t *data, size_t size);
     void invokeInstantiate(const uint8_t *data, size_t size);
     void invokePackageInstallerCheck(const uint8_t *data, size_t size);
     void invokeItemManipulation(const uint8_t *data, size_t size);
     void invokeItemExpansion(const uint8_t *data, size_t size);
     void invokeTimeMachineStorage(const uint8_t *data, size_t size);
     void invokeTransactionLog(const uint8_t *data, size_t size);
     void invokeAnalyticsAction(const uint8_t *data, size_t size);
     void invokeAudioAnalytics(const uint8_t *data, size_t size);
     void invokeTimedAction(const uint8_t *data, size_t size);
     void process(const uint8_t *data, size_t size);
     std::atomic_int mValue = 0;
 };

 void MediaMetricsServiceFuzzer::invokeStartsWith(const uint8_t *data, size_t size) {
     FuzzedDataProvider fdp = FuzzedDataProvider(data, size);
     while (fdp.remaining_bytes()) {
         android::mediametrics::startsWith(fdp.ConsumeRandomLengthString(),
                                           fdp.ConsumeRandomLengthString());
     }
 }

 void MediaMetricsServiceFuzzer::invokeInstantiate(const uint8_t *data, size_t size) {
     FuzzedDataProvider fdp = FuzzedDataProvider(data, size);
     sp mediaMetricsService = new MediaMetricsService();

     while (fdp.remaining_bytes()) {
         std::unique_ptr<mediametrics::Item> random_key(
             mediametrics::Item::create(fdp.ConsumeRandomLengthString()));
         mediaMetricsService->submit(random_key.get());
         random_key->setInt32(fdp.ConsumeRandomLengthString().c_str(),
                              fdp.ConsumeIntegral<int32_t>());
         mediaMetricsService->submit(random_key.get());

         std::unique_ptr<mediametrics::Item> audiotrack_key(
             mediametrics::Item::create("audiotrack"));
         mediaMetricsService->submit(audiotrack_key.get());
         audiotrack_key->addInt32(fdp.ConsumeRandomLengthString().c_str(),
                                  fdp.ConsumeIntegral<int32_t>());
         mediaMetricsService->submit(audiotrack_key.get());
     }
 }

 void MediaMetricsServiceFuzzer::invokePackageInstallerCheck(const uint8_t *data, size_t size) {
     FuzzedDataProvider fdp = FuzzedDataProvider(data, size);
     while (fdp.remaining_bytes()) {
         MediaMetricsService::useUidForPackage(fdp.ConsumeRandomLengthString().c_str(),
                                               fdp.ConsumeRandomLengthString().c_str());
     }
 }

 void MediaMetricsServiceFuzzer::invokeItemManipulation(const uint8_t *data, size_t size) {
     FuzzedDataProvider fdp = FuzzedDataProvider(data, size);

     mediametrics::Item item(fdp.ConsumeRandomLengthString().c_str());
     while (fdp.remaining_bytes()) {
         const uint8_t action = fdp.ConsumeIntegralInRange<uint8_t>(0, 16);
         const std::string key = fdp.ConsumeRandomLengthString();
         if (fdp.remaining_bytes() < 1 || key.length() < 1) {
             break;
         }
         switch (action) {
             case 0: {
                 item.setInt32(key.c_str(), fdp.ConsumeIntegral<int32_t>());
                 break;
             }
             case 1: {
                 item.addInt32(key.c_str(), fdp.ConsumeIntegral<int32_t>());
                 break;
             }
             case 2: {
                 int32_t i32 = 0;
                 item.getInt32(key.c_str(), &i32);
                 break;
             }
             case 3: {
                 item.setInt64(key.c_str(), fdp.ConsumeIntegral<int64_t>());
                 break;
             }
             case 4: {
                 item.addInt64(key.c_str(), fdp.ConsumeIntegral<int64_t>());
                 break;
             }
             case 5: {
                 int64_t i64 = 0;
                 item.getInt64(key.c_str(), &i64);
                 break;
             }
             case 6: {
                 item.setDouble(key.c_str(), fdp.ConsumeFloatingPoint<double>());
                 break;
             }
             case 7: {
                 item.addDouble(key.c_str(), fdp.ConsumeFloatingPoint<double>());
                 break;
             }
             case 8: {
                 double d = 0;
                 item.getDouble(key.c_str(), &d);
                 break;
             }
             case 9: {
                 item.setCString(key.c_str(), fdp.ConsumeRandomLengthString().c_str());
                 break;
             }
             case 10: {
                 char *s = nullptr;
                 item.getCString(key.c_str(), &s);
                 if (s) free(s);
                 break;
             }
             case 11: {
                 std::string s;
                 item.getString(key.c_str(), &s);
                 break;
             }
             case 12: {
                 item.setRate(key.c_str(), fdp.ConsumeIntegral<int64_t>(),
                              fdp.ConsumeIntegral<int64_t>());
                 break;
             }
             case 13: {
                 int64_t b = 0, h = 0;
                 double d = 0;
                 item.getRate(key.c_str(), &b, &h, &d);
                 break;
             }
             case 14: {
                 (void)item.filter(key.c_str());
                 break;
             }
             case 15: {
                 const char *arr[1] = {""};
                 arr[0] = const_cast<char *>(key.c_str());
                 (void)item.filterNot(1, arr);
                 break;
             }
             case 16: {
                 (void)item.toString().c_str();
                 break;
             }
         }
     }

     Parcel p;
     mediametrics::Item item2;

     (void)item.writeToParcel(&p);
     p.setDataPosition(0);  // rewind for reading
     (void)item2.readFromParcel(p);

     char *byteData = nullptr;
     size_t length = 0;
     (void)item.writeToByteString(&byteData, &length);
     (void)item2.readFromByteString(byteData, length);
     if (byteData) {
         free(byteData);
     }

     sp mediaMetricsService = new MediaMetricsService();
     mediaMetricsService->submit(&item2);
 }

 void MediaMetricsServiceFuzzer::invokeItemExpansion(const uint8_t *data, size_t size) {
     FuzzedDataProvider fdp = FuzzedDataProvider(data, size);

     mediametrics::LogItem<1> item("FuzzItem");
     item.setPid(fdp.ConsumeIntegral<int16_t>()).setUid(fdp.ConsumeIntegral<int16_t>());

     while (fdp.remaining_bytes()) {
         int32_t i = fdp.ConsumeIntegral<int32_t>();
         item.set(std::to_string(i).c_str(), (int32_t)i);
     }
     item.updateHeader();

     mediametrics::Item item2;
     (void)item2.readFromByteString(item.getBuffer(), item.getLength());

     sp mediaMetricsService = new MediaMetricsService();
     mediaMetricsService->submit(&item2);
 }

 void MediaMetricsServiceFuzzer::invokeTimeMachineStorage(const uint8_t *data, size_t size) {
     FuzzedDataProvider fdp = FuzzedDataProvider(data, size);

     auto item = std::make_shared<mediametrics::Item>("FuzzKey");
     int32_t i32 = fdp.ConsumeIntegral<int32_t>();
     int64_t i64 = fdp.ConsumeIntegral<int64_t>();
     double d = fdp.ConsumeFloatingPoint<double>();
     std::string str = fdp.ConsumeRandomLengthString();
     std::pair<int64_t, int64_t> pair(fdp.ConsumeIntegral<int64_t>(),
                                      fdp.ConsumeIntegral<int64_t>());
     (*item).set("i32", i32).set("i64", i64).set("double", d).set("string", str).set("rate", pair);

     android::mediametrics::TimeMachine timeMachine;
     timeMachine.put(item, true);

     timeMachine.get("Key", "i32", &i32, -1);

     timeMachine.get("Key", "i64", &i64, -1);

     timeMachine.get("Key", "double", &d, -1);

     timeMachine.get("Key", "string", &str, -1);

     timeMachine.get("Key.i32", &i32, -1);

     timeMachine.get("Key.i64", &i64, -1);

     timeMachine.get("Key.double", &d, -1);

     str.clear();
     timeMachine.get("Key.string", &str, -1);
 }

 void MediaMetricsServiceFuzzer::invokeTransactionLog(const uint8_t *data, size_t size) {
     FuzzedDataProvider fdp = FuzzedDataProvider(data, size);

     auto item = std::make_shared<mediametrics::Item>("Key1");
     (*item)
         .set("one", fdp.ConsumeIntegral<int32_t>())
         .set("two", fdp.ConsumeIntegral<int32_t>())
         .setTimestamp(fdp.ConsumeIntegral<int32_t>());

     android::mediametrics::TransactionLog transactionLog(
         kLogItemsLowWater, kLogItemsHighWater);  // keep at most 2 items
     transactionLog.size();

     transactionLog.put(item);
     transactionLog.size();

     auto item2 = std::make_shared<mediametrics::Item>("Key2");
     (*item2)
         .set("three", fdp.ConsumeIntegral<int32_t>())
         .set("[Key1]three", fdp.ConsumeIntegral<int32_t>())
         .setTimestamp(fdp.ConsumeIntegral<int32_t>());

     transactionLog.put(item2);
     transactionLog.size();

     auto item3 = std::make_shared<mediametrics::Item>("Key3");
     (*item3)
         .set("six", fdp.ConsumeIntegral<int32_t>())
         .set("[Key1]four", fdp.ConsumeIntegral<int32_t>())  // affects Key1
         .set("[Key1]five", fdp.ConsumeIntegral<int32_t>())  // affects key1
         .setTimestamp(fdp.ConsumeIntegral<int32_t>());

     transactionLog.put(item3);
     transactionLog.size();
 }

 void MediaMetricsServiceFuzzer::invokeAnalyticsAction(const uint8_t *data, size_t size) {
     FuzzedDataProvider fdp = FuzzedDataProvider(data, size);

     mediametrics::AnalyticsActions analyticsActions;
     bool action = false;

     while (fdp.remaining_bytes()) {
         analyticsActions.addAction(
             (fdp.ConsumeRandomLengthString() + std::string(".event")).c_str(),
             fdp.ConsumeRandomLengthString(),
             std::make_shared<mediametrics::AnalyticsActions::Function>(
                 [&](const std::shared_ptr<const android::mediametrics::Item> &) {
                     action = true;
                 }));
     }

     FuzzedDataProvider fdp2 = FuzzedDataProvider(data, size);

     while (fdp2.remaining_bytes()) {
         // make a test item
         auto item = std::make_shared<mediametrics::Item>(fdp2.ConsumeRandomLengthString().c_str());
         (*item).set("event", fdp2.ConsumeRandomLengthString().c_str());

         // get the actions and execute them
         auto actions = analyticsActions.getActionsForItem(item);
         for (const auto &action : actions) {
             action->operator()(item);
         }
     }
 }

 void MediaMetricsServiceFuzzer::invokeAudioAnalytics(const uint8_t *data, size_t size) {
     FuzzedDataProvider fdp = FuzzedDataProvider(data, size);
     std::shared_ptr<android::mediametrics::StatsdLog> statsdLog =
             std::make_shared<android::mediametrics::StatsdLog>(10);
     android::mediametrics::AudioAnalytics audioAnalytics{statsdLog};

     while (fdp.remaining_bytes()) {
         auto item = std::make_shared<mediametrics::Item>(fdp.ConsumeRandomLengthString().c_str());
         int32_t transactionUid = fdp.ConsumeIntegral<int32_t>();  // arbitrary
         (*item)
             .set(fdp.ConsumeRandomLengthString().c_str(), fdp.ConsumeIntegral<int32_t>())
             .set(fdp.ConsumeRandomLengthString().c_str(), fdp.ConsumeIntegral<int32_t>())
             .set(AMEDIAMETRICS_PROP_ALLOWUID, transactionUid)
             .setUid(transactionUid)
             .setTimestamp(fdp.ConsumeIntegral<int32_t>());
         audioAnalytics.submit(item, fdp.ConsumeBool());
     }

     audioAnalytics.dump(1000);
 }

 void MediaMetricsServiceFuzzer::invokeTimedAction(const uint8_t *data, size_t size) {
     FuzzedDataProvider fdp = FuzzedDataProvider(data, size);
     android::mediametrics::TimedAction timedAction;

     while (fdp.remaining_bytes()) {
         timedAction.postIn(std::chrono::seconds(fdp.ConsumeIntegral<int32_t>()),
                            [this] { ++mValue; });
         timedAction.size();
     }
 }

 void MediaMetricsServiceFuzzer::process(const uint8_t *data, size_t size) {
     invokeStartsWith(data, size);
     invokeInstantiate(data, size);
     invokePackageInstallerCheck(data, size);
     invokeItemManipulation(data, size);
     invokeItemExpansion(data, size);
     invokeTimeMachineStorage(data, size);
     invokeTransactionLog(data, size);
     invokeAnalyticsAction(data, size);
     invokeAudioAnalytics(data, size);
     invokeTimedAction(data, size);
 }

 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
     if (size < 1) {
         return 0;
     }
     MediaMetricsServiceFuzzer mediaMetricsServiceFuzzer;
     mediaMetricsServiceFuzzer.process(data, size);
     return 0;
 }
	/******************************************************************************
	*
	* Copyright (C) 2020 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at:
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*
	*****************************************************************************
	* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
	*/
	#include <fuzzer/FuzzedDataProvider.h>
	#include <media/MediaMetricsItem.h>
	#include <mediametricsservice/AudioTypes.h>
	#include <mediametricsservice/MediaMetricsService.h>
	#include <mediametricsservice/StringUtils.h>
	#include <stdio.h>
	#include <string.h>
	#include <utils/Log.h>
	#include <algorithm>

	using namespace android;

	// low water mark
	constexpr size_t kLogItemsLowWater = 1;
	// high water mark
	constexpr size_t kLogItemsHighWater = 2;

	class MediaMetricsServiceFuzzer {
	public:
	void invokeStartsWith(const uint8_t *data, size_t size);
	void invokeInstantiate(const uint8_t *data, size_t size);
	void invokePackageInstallerCheck(const uint8_t *data, size_t size);
	void invokeItemManipulation(const uint8_t *data, size_t size);
	void invokeItemExpansion(const uint8_t *data, size_t size);
	void invokeTimeMachineStorage(const uint8_t *data, size_t size);
	void invokeTransactionLog(const uint8_t *data, size_t size);
	void invokeAnalyticsAction(const uint8_t *data, size_t size);
	void invokeAudioAnalytics(const uint8_t *data, size_t size);
	void invokeTimedAction(const uint8_t *data, size_t size);
	void process(const uint8_t *data, size_t size);
	std::atomic_int mValue = 0;
	};

	void MediaMetricsServiceFuzzer::invokeStartsWith(const uint8_t *data, size_t size) {
	FuzzedDataProvider fdp = FuzzedDataProvider(data, size);
	while (fdp.remaining_bytes()) {
	android::mediametrics::startsWith(fdp.ConsumeRandomLengthString(),
	fdp.ConsumeRandomLengthString());
	}
	}

	void MediaMetricsServiceFuzzer::invokeInstantiate(const uint8_t *data, size_t size) {
	FuzzedDataProvider fdp = FuzzedDataProvider(data, size);
	sp mediaMetricsService = new MediaMetricsService();

	while (fdp.remaining_bytes()) {
	std::unique_ptr<mediametrics::Item> random_key(
	mediametrics::Item::create(fdp.ConsumeRandomLengthString()));
	mediaMetricsService->submit(random_key.get());
	random_key->setInt32(fdp.ConsumeRandomLengthString().c_str(),
	fdp.ConsumeIntegral<int32_t>());
	mediaMetricsService->submit(random_key.get());

	std::unique_ptr<mediametrics::Item> audiotrack_key(
	mediametrics::Item::create("audiotrack"));
	mediaMetricsService->submit(audiotrack_key.get());
	audiotrack_key->addInt32(fdp.ConsumeRandomLengthString().c_str(),
	fdp.ConsumeIntegral<int32_t>());
	mediaMetricsService->submit(audiotrack_key.get());
	}
	}

	void MediaMetricsServiceFuzzer::invokePackageInstallerCheck(const uint8_t *data, size_t size) {
	FuzzedDataProvider fdp = FuzzedDataProvider(data, size);
	while (fdp.remaining_bytes()) {
	MediaMetricsService::useUidForPackage(fdp.ConsumeRandomLengthString().c_str(),
	fdp.ConsumeRandomLengthString().c_str());
	}
	}

	void MediaMetricsServiceFuzzer::invokeItemManipulation(const uint8_t *data, size_t size) {
	FuzzedDataProvider fdp = FuzzedDataProvider(data, size);

	mediametrics::Item item(fdp.ConsumeRandomLengthString().c_str());
	while (fdp.remaining_bytes()) {
	const uint8_t action = fdp.ConsumeIntegralInRange<uint8_t>(0, 16);
	const std::string key = fdp.ConsumeRandomLengthString();
	if (fdp.remaining_bytes() < 1 \|\| key.length() < 1) {
	break;
	}
	switch (action) {
	case 0: {
	item.setInt32(key.c_str(), fdp.ConsumeIntegral<int32_t>());
	break;
	}
	case 1: {
	item.addInt32(key.c_str(), fdp.ConsumeIntegral<int32_t>());
	break;
	}
	case 2: {
	int32_t i32 = 0;
	item.getInt32(key.c_str(), &i32);
	break;
	}
	case 3: {
	item.setInt64(key.c_str(), fdp.ConsumeIntegral<int64_t>());
	break;
	}
	case 4: {
	item.addInt64(key.c_str(), fdp.ConsumeIntegral<int64_t>());
	break;
	}
	case 5: {
	int64_t i64 = 0;
	item.getInt64(key.c_str(), &i64);
	break;
	}
	case 6: {
	item.setDouble(key.c_str(), fdp.ConsumeFloatingPoint<double>());
	break;
	}
	case 7: {
	item.addDouble(key.c_str(), fdp.ConsumeFloatingPoint<double>());
	break;
	}
	case 8: {
	double d = 0;
	item.getDouble(key.c_str(), &d);
	break;
	}
	case 9: {
	item.setCString(key.c_str(), fdp.ConsumeRandomLengthString().c_str());
	break;
	}
	case 10: {
	char *s = nullptr;
	item.getCString(key.c_str(), &s);
	if (s) free(s);
	break;
	}
	case 11: {
	std::string s;
	item.getString(key.c_str(), &s);
	break;
	}
	case 12: {
	item.setRate(key.c_str(), fdp.ConsumeIntegral<int64_t>(),
	fdp.ConsumeIntegral<int64_t>());
	break;
	}
	case 13: {
	int64_t b = 0, h = 0;
	double d = 0;
	item.getRate(key.c_str(), &b, &h, &d);
	break;
	}
	case 14: {
	(void)item.filter(key.c_str());
	break;
	}
	case 15: {
	const char *arr[1] = {""};
	arr[0] = const_cast<char *>(key.c_str());
	(void)item.filterNot(1, arr);
	break;
	}
	case 16: {
	(void)item.toString().c_str();
	break;
	}
	}
	}

	Parcel p;
	mediametrics::Item item2;

	(void)item.writeToParcel(&p);
	p.setDataPosition(0); // rewind for reading
	(void)item2.readFromParcel(p);

	char *byteData = nullptr;
	size_t length = 0;
	(void)item.writeToByteString(&byteData, &length);
	(void)item2.readFromByteString(byteData, length);
	if (byteData) {
	free(byteData);
	}

	sp mediaMetricsService = new MediaMetricsService();
	mediaMetricsService->submit(&item2);
	}

	void MediaMetricsServiceFuzzer::invokeItemExpansion(const uint8_t *data, size_t size) {
	FuzzedDataProvider fdp = FuzzedDataProvider(data, size);

	mediametrics::LogItem<1> item("FuzzItem");
	item.setPid(fdp.ConsumeIntegral<int16_t>()).setUid(fdp.ConsumeIntegral<int16_t>());

	while (fdp.remaining_bytes()) {
	int32_t i = fdp.ConsumeIntegral<int32_t>();
	item.set(std::to_string(i).c_str(), (int32_t)i);
	}
	item.updateHeader();

	mediametrics::Item item2;
	(void)item2.readFromByteString(item.getBuffer(), item.getLength());

	sp mediaMetricsService = new MediaMetricsService();
	mediaMetricsService->submit(&item2);
	}

	void MediaMetricsServiceFuzzer::invokeTimeMachineStorage(const uint8_t *data, size_t size) {
	FuzzedDataProvider fdp = FuzzedDataProvider(data, size);

	auto item = std::make_shared<mediametrics::Item>("FuzzKey");
	int32_t i32 = fdp.ConsumeIntegral<int32_t>();
	int64_t i64 = fdp.ConsumeIntegral<int64_t>();
	double d = fdp.ConsumeFloatingPoint<double>();
	std::string str = fdp.ConsumeRandomLengthString();
	std::pair<int64_t, int64_t> pair(fdp.ConsumeIntegral<int64_t>(),
	fdp.ConsumeIntegral<int64_t>());
	(*item).set("i32", i32).set("i64", i64).set("double", d).set("string", str).set("rate", pair);

	android::mediametrics::TimeMachine timeMachine;
	timeMachine.put(item, true);

	timeMachine.get("Key", "i32", &i32, -1);

	timeMachine.get("Key", "i64", &i64, -1);

	timeMachine.get("Key", "double", &d, -1);

	timeMachine.get("Key", "string", &str, -1);

	timeMachine.get("Key.i32", &i32, -1);

	timeMachine.get("Key.i64", &i64, -1);

	timeMachine.get("Key.double", &d, -1);

	str.clear();
	timeMachine.get("Key.string", &str, -1);
	}

	void MediaMetricsServiceFuzzer::invokeTransactionLog(const uint8_t *data, size_t size) {
	FuzzedDataProvider fdp = FuzzedDataProvider(data, size);

	auto item = std::make_shared<mediametrics::Item>("Key1");
	(*item)
	.set("one", fdp.ConsumeIntegral<int32_t>())
	.set("two", fdp.ConsumeIntegral<int32_t>())
	.setTimestamp(fdp.ConsumeIntegral<int32_t>());

	android::mediametrics::TransactionLog transactionLog(
	kLogItemsLowWater, kLogItemsHighWater); // keep at most 2 items
	transactionLog.size();

	transactionLog.put(item);
	transactionLog.size();

	auto item2 = std::make_shared<mediametrics::Item>("Key2");
	(*item2)
	.set("three", fdp.ConsumeIntegral<int32_t>())
	.set("[Key1]three", fdp.ConsumeIntegral<int32_t>())
	.setTimestamp(fdp.ConsumeIntegral<int32_t>());

	transactionLog.put(item2);
	transactionLog.size();

	auto item3 = std::make_shared<mediametrics::Item>("Key3");
	(*item3)
	.set("six", fdp.ConsumeIntegral<int32_t>())
	.set("[Key1]four", fdp.ConsumeIntegral<int32_t>()) // affects Key1
	.set("[Key1]five", fdp.ConsumeIntegral<int32_t>()) // affects key1
	.setTimestamp(fdp.ConsumeIntegral<int32_t>());

	transactionLog.put(item3);
	transactionLog.size();
	}

	void MediaMetricsServiceFuzzer::invokeAnalyticsAction(const uint8_t *data, size_t size) {
	FuzzedDataProvider fdp = FuzzedDataProvider(data, size);

	mediametrics::AnalyticsActions analyticsActions;
	bool action = false;

	while (fdp.remaining_bytes()) {
	analyticsActions.addAction(
	(fdp.ConsumeRandomLengthString() + std::string(".event")).c_str(),
	fdp.ConsumeRandomLengthString(),
	std::make_shared<mediametrics::AnalyticsActions::Function>(
	[&](const std::shared_ptr<const android::mediametrics::Item> &) {
	action = true;
	}));
	}

	FuzzedDataProvider fdp2 = FuzzedDataProvider(data, size);

	while (fdp2.remaining_bytes()) {
	// make a test item
	auto item = std::make_shared<mediametrics::Item>(fdp2.ConsumeRandomLengthString().c_str());
	(*item).set("event", fdp2.ConsumeRandomLengthString().c_str());

	// get the actions and execute them
	auto actions = analyticsActions.getActionsForItem(item);
	for (const auto &action : actions) {
	action->operator()(item);
	}
	}
	}

	void MediaMetricsServiceFuzzer::invokeAudioAnalytics(const uint8_t *data, size_t size) {
	FuzzedDataProvider fdp = FuzzedDataProvider(data, size);
	std::shared_ptr<android::mediametrics::StatsdLog> statsdLog =
	std::make_shared<android::mediametrics::StatsdLog>(10);
	android::mediametrics::AudioAnalytics audioAnalytics{statsdLog};

	while (fdp.remaining_bytes()) {
	auto item = std::make_shared<mediametrics::Item>(fdp.ConsumeRandomLengthString().c_str());
	int32_t transactionUid = fdp.ConsumeIntegral<int32_t>(); // arbitrary
	(*item)
	.set(fdp.ConsumeRandomLengthString().c_str(), fdp.ConsumeIntegral<int32_t>())
	.set(fdp.ConsumeRandomLengthString().c_str(), fdp.ConsumeIntegral<int32_t>())
	.set(AMEDIAMETRICS_PROP_ALLOWUID, transactionUid)
	.setUid(transactionUid)
	.setTimestamp(fdp.ConsumeIntegral<int32_t>());
	audioAnalytics.submit(item, fdp.ConsumeBool());
	}

	audioAnalytics.dump(1000);
	}

	void MediaMetricsServiceFuzzer::invokeTimedAction(const uint8_t *data, size_t size) {
	FuzzedDataProvider fdp = FuzzedDataProvider(data, size);
	android::mediametrics::TimedAction timedAction;

	while (fdp.remaining_bytes()) {
	timedAction.postIn(std::chrono::seconds(fdp.ConsumeIntegral<int32_t>()),
	[this] { ++mValue; });
	timedAction.size();
	}
	}

	void MediaMetricsServiceFuzzer::process(const uint8_t *data, size_t size) {
	invokeStartsWith(data, size);
	invokeInstantiate(data, size);
	invokePackageInstallerCheck(data, size);
	invokeItemManipulation(data, size);
	invokeItemExpansion(data, size);
	invokeTimeMachineStorage(data, size);
	invokeTransactionLog(data, size);
	invokeAnalyticsAction(data, size);
	invokeAudioAnalytics(data, size);
	invokeTimedAction(data, size);
	}

	extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
	if (size < 1) {
	return 0;
	}
	MediaMetricsServiceFuzzer mediaMetricsServiceFuzzer;
	mediaMetricsServiceFuzzer.process(data, size);
	return 0;
	}