1#!/bin/sh 2 3# 4# SPDX-License-Identifier: BSD-2-Clause 5# 6# Copyright (c) 2023 Peter Holm <pho@FreeBSD.org> 7# 8# Redistribution and use in source and binary forms, with or without 9# modification, are permitted provided that the following conditions 10# are met: 11# 1. Redistributions of source code must retain the above copyright 12# notice, this list of conditions and the following disclaimer. 13# 2. Redistributions in binary form must reproduce the above copyright 14# notice, this list of conditions and the following disclaimer in the 15# documentation and/or other materials provided with the distribution. 16# 17# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27# SUCH DAMAGE. 28# 29 30# fsck -B test scenario with SUJ. -B implies "preen mode". 31 32# 'panic: ffs_blkfree_cg: bad size' seen: 33# https://people.freebsd.org/~pho/stress/log/log0465.txt 34# Fixed by: 220427da0e9b - Set UFS/FFS file type to snapshot before changing 35# its block pointers. 36 37[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 38. ../default.cfg 39mycc -o /tmp/flip -Wall -Wextra ../tools/flip.c || exit 2 40 41set -e 42md=/dev/md$mdstart 43prog=$(basename "$0" .sh) 44backup=/tmp/$prog.sh.diskimage.`date +%Y%m%dT%H%M%S`.gz 45log=/tmp/$prog.sh.log 46[ -c $md ] && mdconfig -d -u $mdstart 47dd if=/dev/zero of=$diskimage bs=128m count=1 status=none 48mdconfig -a -t vnode -f $diskimage -u $mdstart 49backups=`newfs -N $j $md | grep -A1 "super-block backups" | \ 50 tail -1 | sed 's/,//g'` 51newfs -j $md > /dev/null 2>&1 52mount $md $mntpoint 53set +e 54 55jot 5000 | xargs -P0 -I% touch $mntpoint/a% 56while ! umount $mntpoint; do :; done 57/tmp/flip -n 10 $diskimage 58gzip < $diskimage > $backup 59fsync $diskimage $backup 60 61mount -f $md $mntpoint 62 63if ! fsck_ffs -B $md > $log 2>&1; then 64 grep MANUALLY $log 65 umount $mntpoint 66 fsck_ffs -fy $md > $log 2>&1; s=$? 67 grep -Eq "IS CLEAN|MARKED CLEAN" $log || { 68 cat $log 69 echo "fsck_ffs -f failed with exit code $s" 70 umount $mntpoint; mdconfig -d -u $mdstart 71 rm -f $log /tmp/flip $diskimage $backup 72 exit 1 73 } 74 mount $md $mntpoint 75fi 76 77jot 5000 | xargs -P0 -I% rm $mntpoint/a% 78jot 5000 | xargs -P0 -I% touch $mntpoint/b% 79 80ls -lR $mntpoint > /dev/null || { 81 echo "ls -lR $mntpoint failed after fsck -B" 82 umount $mntpoint; mdconfig -d -u $mdstart 83 rm -f $log /tmp/flip $diskimage $backup 84 exit 0 # For now, ignore non fatal errors 85} 86 87jot 5000 | xargs -P0 -I% rm $mntpoint/b% || { 88 echo "clean failed" 89 umount $mntpoint; mdconfig -d -u $mdstart 90 rm -f $log /tmp/flip $diskimage $backup 91 exit 0 # For now, ignore non fatal errors 92} 93umount $mntpoint 94 95r=0 96for i in `jot 4`; do 97 fsck_ffs -fy $diskimage > $log 2>&1; r=$? 98 if grep -qiE "super-?block.*failed" $log; then 99 for b in $backups; do 100 echo "fsck_ffs -b $b -fy $diskimage" 101 fsck_ffs -b $b -fy $diskimage > $log 2>&1 102 r=$? 103 grep -qiE "super-?block.*failed" $log || 104 break 105 echo "Checking next SB" 106 done 107 fi 108 [ $r -ne 0 ] && continue 109 grep -Eq "WAS MODIFIED" $log && continue 110 grep -Eq "CLEAN" $log && break 111done 112mount $md $mntpoint || exit 3 113ls -lR $mntpoint > /dev/null || { umount $mntpoint; mdconfig -d -u mdstart; echo "exit 4"; exit 4; } 114umount $mntpoint 115fsck_ffs -fy $md > $log 2>&1 116grep -Eq 'IS CLEAN|MARKED CLEAN' $log && s=0 || { s=1; cat $log; } 117mdconfig -d -u $mdstart 118rm -f $log /tmp/flip $diskimage $backup 119exit $s 120