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62 lines
2.4 KiB
62 lines
2.4 KiB
4 months ago
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/*
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* Copyright 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "BatteryNotifierFuzzer"
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#include <batterystats/IBatteryStats.h>
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#include <binder/IServiceManager.h>
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#include <utils/String16.h>
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#include <android/log.h>
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#include <mediautils/SchedulingPolicyService.h>
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#include "fuzzer/FuzzedDataProvider.h"
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using android::IBatteryStats;
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using android::IBinder;
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using android::IInterface;
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using android::IServiceManager;
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using android::sp;
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using android::String16;
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using android::defaultServiceManager;
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using android::requestCpusetBoost;
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using android::requestPriority;
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sp<IBatteryStats> getBatteryService() {
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sp<IBatteryStats> batteryStatService;
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const sp<IServiceManager> sm(defaultServiceManager());
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if (sm != nullptr) {
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const String16 name("batterystats");
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batteryStatService = checked_interface_cast<IBatteryStats>(sm->checkService(name));
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if (batteryStatService == nullptr) {
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ALOGW("batterystats service unavailable!");
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return nullptr;
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}
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}
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return batteryStatService;
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}
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
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FuzzedDataProvider data_provider(data, size);
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sp<IBatteryStats> batteryStatService = getBatteryService();
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// There is some state here, but it's mostly focused around thread-safety, so
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// we won't worry about order.
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int32_t priority = data_provider.ConsumeIntegral<int32_t>();
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bool is_for_app = data_provider.ConsumeBool();
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bool async = data_provider.ConsumeBool();
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requestPriority(getpid(), gettid(), priority, is_for_app, async);
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// TODO: Verify and re-enable in AOSP (R).
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// bool enable = data_provider.ConsumeBool();
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// We are just using batterystats to avoid the need
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// to register a new service.
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// requestCpusetBoost(enable, IInterface::asBinder(batteryStatService));
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return 0;
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}
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