projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| b0e805fa MF |
1 | /* Make sure blank lines does not cause memory corruption BZ #18887. |
| 2 | ||
| 688903eb | 3 | Copyright (C) 2009-2018 Free Software Foundation, Inc. |
| b0e805fa MF |
4 | This file is part of the GNU C Library. |
| 5 | ||
| 6 | The GNU C Library is free software; you can redistribute it and/or | |
| 7 | modify it under the terms of the GNU Lesser General Public | |
| 8 | License as published by the Free Software Foundation; either | |
| 9 | version 2.1 of the License, or (at your option) any later version. | |
| 10 | ||
| 11 | The GNU C Library is distributed in the hope that it will be useful, | |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 | Lesser General Public License for more details. | |
| 15 | ||
| 16 | You should have received a copy of the GNU Lesser General Public | |
| 17 | License along with the GNU C Library; if not, see | |
| 18 | <http://www.gnu.org/licenses/>. */ | |
| 19 | ||
| 20 | #include <mntent.h> | |
| 21 | #include <stdio.h> | |
| 22 | #include <string.h> | |
| 23 | ||
| 24 | /* Make sure blank lines don't trigger memory corruption. This doesn't happen | |
| 25 | for all targets though, so it's a best effort test BZ #18887. */ | |
| 26 | static int | |
| 27 | do_test (void) | |
| 28 | { | |
| 29 | FILE *fp; | |
| 30 | ||
| 31 | fp = tmpfile (); | |
| 32 | fputs ("\n \n/foo\\040dir /bar\\040dir auto bind \t \n", fp); | |
| 33 | rewind (fp); | |
| 34 | ||
| 35 | /* The corruption happens here ... */ | |
| 36 | getmntent (fp); | |
| 37 | /* ... but trigers here. */ | |
| 38 | endmntent (fp); | |
| 39 | ||
| 40 | /* If the test failed, we would crash, and not hit this point. */ | |
| 41 | return 0; | |
| 42 | } | |
| 43 | ||
| 44 | #define TEST_FUNCTION do_test () | |
| 45 | #include "../test-skeleton.c" |