xref: /aosp_15_r20/system/vold/tests/VoldFuzzer.cpp (revision f40fafd4c6c2594924d919feffc1a1fd6e3b30f3)
1*f40fafd4SAndroid Build Coastguard Worker /*
2*f40fafd4SAndroid Build Coastguard Worker  * Copyright (C) 2023 The Android Open Source Project
3*f40fafd4SAndroid Build Coastguard Worker  *
4*f40fafd4SAndroid Build Coastguard Worker  * Licensed under the Apache License, Version 2.0 (the "License");
5*f40fafd4SAndroid Build Coastguard Worker  * you may not use this file except in compliance with the License.
6*f40fafd4SAndroid Build Coastguard Worker  * You may obtain a copy of the License at
7*f40fafd4SAndroid Build Coastguard Worker  *
8*f40fafd4SAndroid Build Coastguard Worker  *      http://www.apache.org/licenses/LICENSE-2.0
9*f40fafd4SAndroid Build Coastguard Worker  *
10*f40fafd4SAndroid Build Coastguard Worker  * Unless required by applicable law or agreed to in writing, software
11*f40fafd4SAndroid Build Coastguard Worker  * distributed under the License is distributed on an "AS IS" BASIS,
12*f40fafd4SAndroid Build Coastguard Worker  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13*f40fafd4SAndroid Build Coastguard Worker  * See the License for the specific language governing permissions and
14*f40fafd4SAndroid Build Coastguard Worker  * limitations under the License.
15*f40fafd4SAndroid Build Coastguard Worker  */
16*f40fafd4SAndroid Build Coastguard Worker 
17*f40fafd4SAndroid Build Coastguard Worker #include <android-base/logging.h>
18*f40fafd4SAndroid Build Coastguard Worker #include <fuzzbinder/libbinder_driver.h>
19*f40fafd4SAndroid Build Coastguard Worker 
20*f40fafd4SAndroid Build Coastguard Worker #include "VoldNativeService.h"
21*f40fafd4SAndroid Build Coastguard Worker #include "sehandle.h"
22*f40fafd4SAndroid Build Coastguard Worker 
23*f40fafd4SAndroid Build Coastguard Worker using ::android::fuzzService;
24*f40fafd4SAndroid Build Coastguard Worker using ::android::sp;
25*f40fafd4SAndroid Build Coastguard Worker 
26*f40fafd4SAndroid Build Coastguard Worker struct selabel_handle* sehandle;
27*f40fafd4SAndroid Build Coastguard Worker 
LLVMFuzzerInitialize(int argc,char argv)28*f40fafd4SAndroid Build Coastguard Worker extern "C" int LLVMFuzzerInitialize(int argc, char argv) {
29*f40fafd4SAndroid Build Coastguard Worker     sehandle = selinux_android_file_context_handle();
30*f40fafd4SAndroid Build Coastguard Worker     if (!sehandle) {
31*f40fafd4SAndroid Build Coastguard Worker         LOG(ERROR) << "Failed to get SELinux file contexts handle in voldFuzzer!";
32*f40fafd4SAndroid Build Coastguard Worker         exit(1);
33*f40fafd4SAndroid Build Coastguard Worker     }
34*f40fafd4SAndroid Build Coastguard Worker     selinux_android_set_sehandle(sehandle);
35*f40fafd4SAndroid Build Coastguard Worker     return 0;
36*f40fafd4SAndroid Build Coastguard Worker }
37*f40fafd4SAndroid Build Coastguard Worker 
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)38*f40fafd4SAndroid Build Coastguard Worker extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
39*f40fafd4SAndroid Build Coastguard Worker     auto voldService = sp<android::vold::VoldNativeService>::make();
40*f40fafd4SAndroid Build Coastguard Worker     fuzzService(voldService, FuzzedDataProvider(data, size));
41*f40fafd4SAndroid Build Coastguard Worker     return 0;
42*f40fafd4SAndroid Build Coastguard Worker }