1 /*
2  * Copyright (C) 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 <fuzzbinder/random_fd.h>
18 
19 #include <fcntl.h>
20 
21 #include <android-base/logging.h>
22 #include <cutils/ashmem.h>
23 
24 namespace android {
25 
getRandomFd(FuzzedDataProvider * provider)26 int getRandomFd(FuzzedDataProvider* provider) {
27     int fd = provider->PickValueInArray<std::function<int()>>({
28             []() { return ashmem_create_region("binder test region", 1024); },
29             []() { return open("/dev/null", O_RDWR); },
30     })();
31     CHECK(fd >= 0);
32     return fd;
33 }
34 
35 } // namespace android
36