svn commit: r323948 - user/pho/stress2/misc
Peter Holm
pho at FreeBSD.org
Sat Sep 23 11:09:26 UTC 2017
Author: pho
Date: Sat Sep 23 11:09:25 2017
New Revision: 323948
URL: https://svnweb.freebsd.org/changeset/base/323948
Log:
Added new test that demonstrates a rename problem with msdosfs.
Sponsored by: Dell EMC Isilon
Added:
user/pho/stress2/misc/msdos8.sh (contents, props changed)
Added: user/pho/stress2/misc/msdos8.sh
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ user/pho/stress2/misc/msdos8.sh Sat Sep 23 11:09:25 2017 (r323948)
@@ -0,0 +1,158 @@
+#!/bin/sh
+
+#
+# Copyright (c) 2017 Dell EMC Isilon
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+# msdosfs rename scenario
+# "Invalid long filename entry" seen from fsck
+
+. ../default.cfg
+[ `id -u` -ne 0 ] && echo "Must be root!" && exit 1
+
+[ -x /sbin/mount_msdosfs ] || exit 0
+dir=/tmp
+odir=`pwd`
+cd $dir
+sed '1,/^EOF/d' < $odir/$0 > $dir/msdos8.c
+cc -o msdos8 -Wall -Wextra -O0 -g msdos8.c || exit 1
+rm -f msdos8.c
+cd $odir
+log=/tmp/msdos8.sh.log
+mount | grep "$mntpoint" | grep -q md$mdstart && umount -f $mntpoint
+mdconfig -l | grep -q $mdstart && mdconfig -d -u $mdstart
+
+mdconfig -a -t swap -s 1g -u $mdstart
+bsdlabel -w md$mdstart auto
+newfs_msdos /dev/md${mdstart}$part #> /dev/null
+mount -t msdosfs /dev/md${mdstart}$part $mntpoint || exit 1
+
+(cd $mntpoint; /tmp/msdos8)
+s=$?
+
+while mount | grep "$mntpoint" | grep -q md$mdstart; do
+ umount $mntpoint || sleep 1
+done
+fsck -t msdosfs -y /dev/md${mdstart}$part > $log 2>&1
+if egrep -q "BAD|INCONSISTENCY|MODIFIED" $log; then
+ cat $log
+ s=1
+
+ mount -t msdosfs /dev/md${mdstart}$part $mntpoint || exit 1
+ ls -lR $mntpoint
+ umount $mntpoint
+fi
+mdconfig -d -u $mdstart
+rm /tmp/msdos8 $log
+exit $s
+EOF
+#include <sys/param.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+
+#include <err.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+
+# define PARALLEL 10
+
+static unsigned long size;
+
+static void
+test(void)
+{
+ pid_t pid;
+ int fd, i, j;
+ char file1[128], file2[128];
+
+ pid = getpid();
+ for (i = 0; i < (int)size; i++) {
+ sprintf(file1,"p%05d.%05d", pid, i);
+ if ((fd = open(file1, O_RDONLY|O_CREAT, 0660)) == -1)
+ err(1, "openat(%s), %s:%d", file1, __FILE__,
+ __LINE__);
+ close(fd);
+ }
+ for (j = 0; j < 100; j++) {
+ for (i = 0; i < (int)size; i++) {
+ sprintf(file1,"p%05d.%05d", pid, i);
+ sprintf(file2,"p%05d.%05d.togo", pid, i);
+ if (rename(file1, file2) == -1)
+ err(1, "rename(%s, %s). %s:%d", file1,
+ file2, __FILE__, __LINE__);
+ }
+ for (i = 0; i < (int)size; i++) {
+ sprintf(file1,"p%05d.%05d", pid, i);
+ sprintf(file2,"p%05d.%05d.togo", pid, i);
+ if (rename(file2, file1) == -1)
+ err(1, "rename(%s, %s). %s:%d", file2,
+ file1, __FILE__, __LINE__);
+ }
+ }
+
+ for (i = 0; i < (int)size; i++) {
+ sprintf(file1,"p%05d.%05d", pid, i);
+ if (unlink(file1) == -1)
+ err(1, "unlink(%s), %s:%d", file1, __FILE__,
+ __LINE__);
+ }
+ _exit(0);
+}
+
+int
+main(void)
+{
+ pid_t pids[PARALLEL];
+ time_t start;
+ int e, i, status;
+
+ e = 0;
+ size = 5;
+ start = time(NULL);
+ while ((time(NULL) - start) < 60 && e == 0) {
+ for (i = 0; i < PARALLEL; i++) {
+ if ((pids[i] = fork()) == 0)
+ test();
+ if (pids[i] == -1)
+ err(1, "fork()");
+ }
+ for (i = 0; i < PARALLEL; i++) {
+ if (waitpid(pids[i], &status, 0) == -1)
+ err(1, "waitpid(%d)", pids[i]);
+ if (WIFSIGNALED(status))
+ fprintf(stderr, "pid %d exit signal %d\n",
+ pids[i], WTERMSIG(status));
+ e += status == 0 ? 0 : 1;
+ }
+ }
+
+ return (e);
+}
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