mirror of git://sourceware.org/git/glibc.git
57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
/* Test that glob does not overflow the stack with many slashes.
|
|
Copyright (C) 2025 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 <glob.h>
|
|
#include <string.h>
|
|
#include <support/test-driver.h>
|
|
#include <support/support.h>
|
|
#include <support/check.h>
|
|
#include <sys/resource.h>
|
|
|
|
/* Allocation size. */
|
|
#define SIZE 4096
|
|
|
|
/* This test would cause a stack overflow on glibc 2.42 and earlier. */
|
|
#define MAX_STACK_SIZE (8 * 1024 * 1024)
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
struct rlimit stack_limit = { MAX_STACK_SIZE, MAX_STACK_SIZE };
|
|
TEST_VERIFY_EXIT (setrlimit (RLIMIT_STACK, &stack_limit) == 0);
|
|
glob_t g;
|
|
char *pattern = xmalloc (SIZE);
|
|
|
|
/* Test based on BZ #30635. "/////////". */
|
|
memset (pattern, '/', SIZE - 1);
|
|
pattern[SIZE - 1] = '\0';
|
|
TEST_VERIFY (glob (pattern, 0, NULL, &g) == 0);
|
|
globfree (&g);
|
|
|
|
/* Test based on BZ #33537. "/*/////sh". */
|
|
pattern[1] = '*';
|
|
pattern[SIZE - 3] = 's';
|
|
pattern[SIZE - 2] = 'h';
|
|
TEST_VERIFY (glob (pattern, 0, NULL, &g) == 0);
|
|
globfree (&g);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#include <support/test-driver.c>
|