1 /**
2 * Copyright (C) 2022 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 // This PoC is written taking reference from
18 // frameworks/base/native/graphics/jni/imagedecoder.cpp
19
20 #include "../includes/common.h"
21 #include <android/imagedecoder.h>
22 #include <binder/IPCThreadState.h>
23 #include <vector>
24
25 bool testInProgress = false;
26 struct sigaction new_action, old_action;
sigsegv_handler(int signum,siginfo_t * info,void * context)27 void sigsegv_handler(int signum, siginfo_t *info, void *context) {
28 if (testInProgress && info->si_signo == SIGSEGV) {
29 (*old_action.sa_sigaction)(signum, info, context);
30 return;
31 }
32 exit(EXIT_FAILURE);
33 }
34
main(int argc,char ** argv)35 int main(int argc, char **argv) {
36 FAIL_CHECK(argc >= 2);
37 sigemptyset(&new_action.sa_mask);
38 new_action.sa_flags = SA_SIGINFO;
39 new_action.sa_sigaction = sigsegv_handler;
40 sigaction(SIGSEGV, &new_action, &old_action);
41 android::ProcessState::self()->startThreadPool();
42 FILE *file = fopen(argv[1], "r");
43 FAIL_CHECK(file);
44 fseek(file, 0, SEEK_END);
45 size_t size = ftell(file);
46 fseek(file, 0, SEEK_SET);
47 std::vector<uint8_t> buffer(size);
48 fread((void *)buffer.data(), 1, size, file);
49 fclose(file);
50 testInProgress = true;
51 AImageDecoder *decoder;
52 if (AImageDecoder_createFromBuffer(buffer.data(), size, &decoder) ==
53 ANDROID_IMAGE_DECODER_SUCCESS) {
54 AImageDecoder_delete(decoder);
55 }
56 testInProgress = false;
57 FAIL_CHECK(decoder);
58 return EXIT_SUCCESS;
59 }
60