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Commit acb8fb62 authored by Weilin Xu's avatar Weilin Xu
Browse files

Add fuzzer for AIDL broadcast radio 

Refactored Android.bp file and added fuzzer for default AIDL broadcast
radio HAL.

Bug: 246857025
Test: SANITIZE_TARGET=address make android.hardware.broadcastradio-service.default_fuzzer
cd ${ANDROID_PRODUCT_OUT}
adb root && adb sync data
adb shell /data/fuzz/x86_64/android.hardware.broadcastradio-service.default_fuzzer/vendor/android.hardware.broadcastradio-service.default_fuzzer --test_env=ENABLE_BLAZE_TEST_FUZZING=1 --test_arg=--minloglevel=0

Change-Id: I443fe6fccccb51626e6a58819f3f28ce11b0bff8
parent 63ef8206

broadcastradio/aidl/default/Android.bp

+55 −13
Original line number Diff line number Diff line
@@ -23,32 +23,74 @@ package { 
    default_applicable_licenses: ["hardware_interfaces_license"],

}



cc_defaults {

    name: "BroadcastRadioHalDefaults",

    static_libs: [

        "android.hardware.broadcastradio@common-utils-aidl-lib",

        "android.hardware.broadcastradio@common-utils-lib",

    ],

    shared_libs: [

        "android.hardware.broadcastradio-V1-ndk",

        "libbase",

        "libbinder_ndk",

        "liblog",

        "libcutils",

    ],

    cflags: [

        "-Wall",

        "-Wextra",

        "-Werror",

    ],

}



cc_binary {

    name: "android.hardware.broadcastradio-service.default",

    relative_install_path: "hw",

    init_rc: ["broadcastradio-default.rc"],

    vintf_fragments: ["broadcastradio-default.xml"],

    vendor: true,

    cflags: [

        "-Wall",

        "-Wextra",

        "-Werror",

    defaults: [

        "BroadcastRadioHalDefaults",

    ],

    srcs: [

        "BroadcastRadio.cpp",

        "main.cpp",

    ],

    static_libs: [

        "DefaultBroadcastRadioHal",

    ],

}



cc_library {

    name: "DefaultBroadcastRadioHal",

    vendor: true,

    export_include_dirs: ["."],

    defaults: [

        "BroadcastRadioHalDefaults",

    ],

    srcs: [

        "BroadcastRadio.cpp",

        "VirtualProgram.cpp",

        "VirtualRadio.cpp",

    ],

    static_libs: [

        "android.hardware.broadcastradio@common-utils-aidl-lib",

        "android.hardware.broadcastradio@common-utils-lib",

}



cc_fuzz {

    name: "android.hardware.broadcastradio-service.default_fuzzer",

    vendor: true,

    defaults: [

        "BroadcastRadioHalDefaults",

        "service_fuzzer_defaults",

    ],

    shared_libs: [

    static_libs: [

        "DefaultBroadcastRadioHal",

        "android.hardware.broadcastradio-V1-ndk",

        "libbase",

        "libbinder_ndk",

        "liblog",

        "libcutils",

    ],

    srcs: [

        "fuzzer.cpp",

    ],

    fuzz_config: {

        cc: [

            "xuweilin@google.com",

        ],

    },

}

broadcastradio/aidl/default/fuzzer.cpp

0 → 100644
+39 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2023 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.

 */



#include <fuzzbinder/libbinder_ndk_driver.h>

#include <fuzzer/FuzzedDataProvider.h>

#include "BroadcastRadio.h"

#include "VirtualRadio.h"



using ::aidl::android::hardware::broadcastradio::BroadcastRadio;

using ::aidl::android::hardware::broadcastradio::VirtualRadio;

using ::android::fuzzService;



extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {

    const VirtualRadio& amFmRadioMock = VirtualRadio::getAmFmRadio();

    std::shared_ptr<BroadcastRadio> amFmRadio =

            ::ndk::SharedRefBase::make<BroadcastRadio>(amFmRadioMock);

    const VirtualRadio& dabRadioMock = VirtualRadio::getDabRadio();

    std::shared_ptr<BroadcastRadio> dabRadio =

            ::ndk::SharedRefBase::make<BroadcastRadio>(dabRadioMock);



    std::vector<ndk::SpAIBinder> binder_services = {amFmRadio->asBinder(), dabRadio->asBinder()};



    fuzzService(binder_services, FuzzedDataProvider(data, size));



    return 0;

}