projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| bcdaad21 | 1 | /* Test that malloc tcache catches double free. |
| 2b778ceb | 2 | Copyright (C) 2018-2021 Free Software Foundation, Inc. |
| bcdaad21 DD |
3 | This file is part of the GNU C Library. |
| 4 | ||
| 5 | The GNU C Library is free software; you can redistribute it and/or | |
| 6 | modify it under the terms of the GNU Lesser General Public | |
| 7 | License as published by the Free Software Foundation; either | |
| 8 | version 2.1 of the License, or (at your option) any later version. | |
| 9 | ||
| 10 | The GNU C Library is distributed in the hope that it will be useful, | |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 | Lesser General Public License for more details. | |
| 14 | ||
| 15 | You should have received a copy of the GNU Lesser General Public | |
| 16 | License along with the GNU C Library; if not, see | |
| 5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
| bcdaad21 DD |
18 | |
| 19 | #include <errno.h> | |
| 20 | #include <error.h> | |
| 21 | #include <limits.h> | |
| 22 | #include <malloc.h> | |
| 23 | #include <stdlib.h> | |
| 24 | #include <stdio.h> | |
| 25 | #include <sys/signal.h> | |
| 26 | ||
| 27 | static int | |
| 28 | do_test (void) | |
| 29 | { | |
| 30 | /* Do one allocation of any size that fits in tcache. */ | |
| 31 | char * volatile x = malloc (32); | |
| 32 | ||
| 33 | free (x); // puts in tcache | |
| 34 | free (x); // should abort | |
| 35 | ||
| 36 | printf("FAIL: tcache double free not detected\n"); | |
| 37 | return 1; | |
| 38 | } | |
| 39 | ||
| 40 | #define TEST_FUNCTION do_test | |
| 41 | #define EXPECTED_SIGNAL SIGABRT | |
| 42 | #include <support/test-driver.c> |