/src/binutils-gdb/binutils/fuzz_addr2line.c
Line | Count | Source (jump to first uncovered line) |
1 | | /* Copyright 2021 Google LLC |
2 | | Licensed under the Apache License, Version 2.0 (the "License"); |
3 | | you may not use this file except in compliance with the License. |
4 | | You may obtain a copy of the License at |
5 | | http://www.apache.org/licenses/LICENSE-2.0 |
6 | | Unless required by applicable law or agreed to in writing, software |
7 | | distributed under the License is distributed on an "AS IS" BASIS, |
8 | | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
9 | | See the License for the specific language governing permissions and |
10 | | limitations under the License. |
11 | | */ |
12 | | |
13 | | /* |
14 | | * We convert addr2line.c into a header file to make convenient for fuzzing. |
15 | | * We do this for several of the binutils applications when creating |
16 | | * the binutils fuzzers. |
17 | | */ |
18 | | #include "fuzz_addr2line.h" |
19 | | |
20 | | int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size); |
21 | | int |
22 | | LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) |
23 | 36.6k | { |
24 | 36.6k | char filename[256]; |
25 | 36.6k | sprintf(filename, "/tmp/libfuzzer.%d", getpid()); |
26 | 36.6k | FILE *fp = fopen(filename, "wb"); |
27 | 36.6k | if (!fp) { |
28 | 0 | return 0; |
29 | 0 | } |
30 | 36.6k | fwrite(data, size, 1, fp); |
31 | 36.6k | fclose(fp); |
32 | | |
33 | 36.6k | program_name = filename; |
34 | | |
35 | 36.6k | char **c2 = xmalloc(sizeof(char*)*6); |
36 | 36.6k | c2[0] = xstrdup("AAABC"); |
37 | 36.6k | c2[1] = xstrdup("BBC"); |
38 | 36.6k | c2[2] = xstrdup("0xbeefbeef"); |
39 | 36.6k | c2[3] = xstrdup("0xcafebabe"); |
40 | 36.6k | c2[4] = xstrdup("5123423"); |
41 | 36.6k | c2[5] = NULL; |
42 | | |
43 | 36.6k | naddr = 5; |
44 | 36.6k | addr = c2; |
45 | | |
46 | | // Main fuzz entrypoint in addr2line.c |
47 | 36.6k | process_file(filename, NULL, NULL); |
48 | | |
49 | 220k | for (int i = 5; --i >= 0; ) |
50 | 183k | free(c2[i]); |
51 | 36.6k | free(c2); |
52 | | |
53 | 36.6k | unlink(filename); |
54 | 36.6k | return 0; |
55 | 36.6k | } |