xref: /aosp_15_r20/external/selinux/libselinux/fuzzers/ContextFuzzer.cpp (revision 2d543d20722ada2425b5bdab9d0d1d29470e7bba)
1 /*
2  * Copyright 2020 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 <fuzzer/FuzzedDataProvider.h>
18 #include <stddef.h>
19 #include <stdint.h>
20 #include <string>
21 
22 #include <selinux/context.h>
23 
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)24 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, [[maybe_unused]] size_t size) {
25   FuzzedDataProvider fdp(data, size);
26   std::string contextName = fdp.ConsumeRemainingBytesAsString();
27 
28   context_t context = context_new(contextName.c_str());
29   // According to docs, this should be safe to call with null pointer
30   // (meaning even if previous call fails).
31   context_free(context);
32 
33   return 0;
34 }
35