1 //
2 // Copyright (C) 2021 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 <string>
18 #include <vector>
19
20 #include <fstab/fstab.h>
21 #include <fuzzer/FuzzedDataProvider.h>
22
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)23 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
24 FuzzedDataProvider fdp(data, size);
25
26 std::string make_fstab_str = fdp.ConsumeRandomLengthString();
27 std::string dsu_slot = fdp.ConsumeRandomLengthString(30);
28 std::vector<std::string> dsu_partitions = {
29 fdp.ConsumeRandomLengthString(30),
30 fdp.ConsumeRandomLengthString(30),
31 };
32 std::string skip_mount_config = fdp.ConsumeRemainingBytesAsString();
33
34 android::fs_mgr::Fstab fstab;
35 android::fs_mgr::ParseFstabFromString(make_fstab_str, /* proc_mounts = */ false, &fstab);
36 android::fs_mgr::TransformFstabForDsu(&fstab, dsu_slot, dsu_partitions);
37 android::fs_mgr::SkipMountWithConfig(skip_mount_config, &fstab, /* verbose = */ false);
38
39 return 0;
40 }
41