blob: fffd56ae1f7d34f0d287bfcb881acc48909d4d12 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
/* Test that malloc tcache catches double free.
Copyright (C) 2018-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <errno.h>
#include <error.h>
#include <limits.h>
#include <malloc.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/signal.h>
static int
do_test (void)
{
/* Do one allocation of any size that fits in tcache. */
char * volatile x = malloc (32);
free (x); // puts in tcache
free (x); // should abort
printf("FAIL: tcache double free not detected\n");
return 1;
}
#define TEST_FUNCTION do_test
#define EXPECTED_SIGNAL SIGABRT
#include <support/test-driver.c>
|
