stress2: Added a regression test for a ffs validate_sblock() fix

tools/test/stress2/misc/newfs7.sh

@@ -0,0 +1,53 @@
+#!/bin/sh
+
+#
+# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+#
+# Copyright (c) 2022 Peter Holm <pho@FreeBSD.org>
+#
+# 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.
+#
+
+[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
+. ../default.cfg
+
+# "mount: /dev/md10: Invalid fstype: Invalid argument" seen.
+# Reported by: soralx@cydem.org
+# Fixed by: 017367c1146a
+
+set -eu
+prog=`basename ${0%.sh}`
+log=/tmp/$prog.log
+s=0
+mdconfig -a -t swap -s 32T -u $mdstart
+newfs -L tst0 -U -b 65536 -f 8192 -d 1048576 -g 131072 -h 16 -i 1048576 \
+    /dev/md$mdstart > /dev/null || s=1
+set +e
+mount /dev/md$mdstart $mntpoint && umount $mntpoint || s=$((s | 2))
+fsck_ffs -fy md$mdstart > $log 2>&1 || s=$((s | 4))
+grep -Eq "IS CLEAN|MARKED CLEAN" $log || s=$((s | 8))
+grep -Eq "WAS MODIFIED" $log && s=$((s | 16))
+[ $s -ne 0 ] && tail -10 $log
+mdconfig -d -u $mdstart
+rm -f $log
+
+exit $s