mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
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168 lines
4.1 KiB
Bash
Executable File
168 lines
4.1 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2013 EMC Corp.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# "panic: handle_written_inodeblock: live inodedep 0xcc731200" seen.
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# http://people.freebsd.org/~pho/stress/log/umountf7.txt
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# https://people.freebsd.org/~pho/stress/log/kostik824.txt
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# Problem only seen with SU+J.
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[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
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. ../default.cfg
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dir=/tmp
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odir=`pwd`
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cd $dir
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sed '1,/^EOF/d' < $odir/$0 > $dir/umountf7.c
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mycc -o umountf7 -Wall -Wextra umountf7.c -lpthread || exit 1
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rm -f umountf7.c
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cd $odir
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mount | grep "on $mntpoint " | grep -q /dev/md && umount -f $mntpoint
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mdconfig -l | grep -q md$mdstart && mdconfig -d -u $mdstart
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mdconfig -a -t swap -s 3g -u $mdstart || exit 1
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[ "$newfs_flags" = "-U" ] && opt="-j"
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newfs $opt md$mdstart > /dev/null
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mount /dev/md$mdstart $mntpoint
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daemon sh -c '(cd ../testcases/swap; ./swap -t 2m -i 4)'
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parallel=4
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for j in `jot $parallel`; do
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[ -d $mntpoint/$j ] || mkdir $mntpoint/$j
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done
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for j in `jot $parallel`; do
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(cd $mntpoint/$j; /tmp/umountf7 100000) &
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done
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sleep 30
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umount -f $mntpoint
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pkill umountf7
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wait
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while pkill -9 swap; do
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:
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done
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find $mntpoint -type f
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while mount | grep "on $mntpoint " | grep -q /dev/md; do
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umount $mntpoint || sleep 1
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done
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mdconfig -d -u $mdstart
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rm -f /tmp/umountf7
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exit
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EOF
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#include <err.h>
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#include <fcntl.h>
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#include <pthread.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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pid_t pid;
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volatile int n, n2;
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int mx;
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void *
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cr(void *arg __unused)
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{
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char file[80];
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int fd, i;
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for (i = 0; i < mx; i++) {
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snprintf(file, sizeof(file), "f%06d.%06d", pid, i);
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if ((fd = open(file, O_RDWR | O_CREAT | O_TRUNC, 0600)) < 0)
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err(1, "open(%s)", file);
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close(fd);
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n++;
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}
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return (0);
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}
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void *
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mv(void *arg __unused)
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{
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char from[80], to[80];
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int i;
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for (i = 0; i < mx; i++) {
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while (n == -1 || i > n)
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pthread_yield();
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snprintf(from, sizeof(from), "f%06d.%06d", pid, i);
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snprintf(to , sizeof(to ), "g%06d.%06d", pid, i);
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if (rename(from, to) == -1)
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warn("rename(%s, %s)", from, to);
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n2++;
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}
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return (0);
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}
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void *
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rm(void *arg __unused)
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{
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char file[80];
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int i;
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for (i = 0; i < mx; i++) {
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while (n2 == -1 || i > n2)
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pthread_yield();
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snprintf(file, sizeof(file), "g%06d.%06d", pid, i);
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if (unlink(file) == -1)
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warn("unlink(%s)", file);
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}
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return (0);
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}
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int
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main(int argc, char **argv)
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{
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pthread_t rp[3];
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int e, i;
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if (argc != 2)
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errx(1, "Usage: %s <number of files>", argv[0]);
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mx = atoi(argv[1]);
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n = n2 = -1;
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pid = getpid();
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if ((e = pthread_create(&rp[0], NULL, cr, NULL)) != 0)
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errc(1, e, "pthread_create");
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usleep(arc4random() % 1000);
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if ((e = pthread_create(&rp[1], NULL, mv, NULL)) != 0)
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errc(1, e, "pthread_mv");
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usleep(arc4random() % 1000);
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if ((e = pthread_create(&rp[2], NULL, rm, NULL)) != 0)
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errc(1, e, "pthread_rm");
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for (i = 0; i < 3; i++)
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pthread_join(rp[i], NULL);
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return (0);
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}
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