1#!/bin/sh 2 3# 4# SPDX-License-Identifier: BSD-2-Clause-FreeBSD 5# 6# Copyright (c) 2018 Dell EMC Isilon 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_ffs(8) disk image fuzz test. 31 32# "UFS /dev/md11 (/mnt11) cylinder checksum failed" seen. 33# Fixed by r341510. 34 35# 'panic: invalid counts on struct mount' seen: 36# https://people.freebsd.org/~pho/stress/log/fsck-4.txt 37 38# "panic: softdep_load_inodeblock: negative i_effnlink" seen. 39 40. ../default.cfg 41 42[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 43 44cc -o /tmp/flip -Wall -Wextra -O2 ../tools/flip.c || exit 1 45 46set -e 47u1=$mdstart 48u2=$((mdstart + 1)) 49mp1=${mntpoint}$u1 50mp2=${mntpoint}$u2 51mkdir -p $mp1 $mp2 52log=$mp1/fsck.sh.log 53diskimage=$mp1/fsck.sh.diskimage 54backup=/tmp/fsck.sh.diskimage.`date +%Y%m%dT%H%M%S`.gz 55asbs=0 56cleans=0 57reruns=0 58waccess=0 59 60max=$((10 * 1024 * 1024)) 61[ "$newfs_flags" = "-j" ] && 62 max=$((20 * 1024 * 1024)) 63 64set +e 65mount | grep "on $mp1 " | grep -q /dev/md && umount -f $mp1 66[ -c /dev/md$u1 ] && mdconfig -d -u $u1 67mdconfig -a -t swap -s 1g -u $u1 68newfs $newfs_flags -n /dev/md$u1 > /dev/null 69mount /dev/md$u1 $mp1 70 71[ -c /dev/md$u2 ] && mdconfig -d -u $u2 72dd if=/dev/zero of=$diskimage bs=$max count=1 status=none 73mdconfig -a -t vnode -f $diskimage -u $u2 74backups=`newfs -N $newfs_flags md$u2 | grep -A1 "super-block backups" | \ 75 tail -1 | sed 's/,//g'` 76newfs $newfs_flags md$u2 > /dev/null 77mount /dev/md$u2 $mp2 78[ -d /usr/include/sys ] && cp -r /usr/include/sys $mp2 79umount $mp2 80 81chk() { 82 local i 83 84 clean=0 85 rerun=0 86 waccess=0 87 fsck_ffs -fy $1 > $log 2>&1 88 r=$? 89 if grep -qE "Cannot find file system superblock|Superblock check-hash failed" $log; then 90 for b in $backups; do 91 echo "Using alternate SB $b" 92 asbs=$((asbs + 1)) 93 fsck_ffs -b $b -fy $1 > $log 2>&1 94 r=$? 95 grep -qE "Cannot find file system superblock|Superblock check-hash failed" $log || 96 break 97 done 98 usedasb=1 99 else 100 usedasb=0 101 fi 102 LANG=C egrep -q "[A-Z][A-Z]" $log && clean=0 103 grep -Eq "IS CLEAN|MARKED CLEAN" $log && clean=1 104 # For now regard a "was modified" as a cause for a rerun, 105 # disregarding "clean" claim. 106 grep -Eq "WAS MODIFIED" $log && rerun=1 107 grep -q RERUN $log && rerun=1 108 grep -q "NO WRITE ACCESS" $log && waccess=1 109 [ $r -ne 0 -a $clean -eq 1 ] && echo "Exit code $r w/ clean == 1" 110} 111 112cd $mp1 113s=0 114start=`date +%s` 115while [ $((`date +%s` - start)) -lt 60 ]; do 116 mount /dev/md$u2 $mp2 || { s=101; break; } 117 ls -lR $mp2 > /dev/null || { s=102; echo "ls failed"; break; } 118 touch $mp2/`jot -rc 8 a z | tr -d '\n'` 119 while mount | grep -q "on $mp2 "; do umount $mp2; done 120 echo * | grep -q core && break 121 sync 122 mdconfig -d -u $u2 123 /tmp/flip -n 10 $diskimage 124 125 sync 126 gzip < $diskimage > $backup 127 fsync $backup 128 129 for i in `jot 3`; do 130 chk $diskimage 131 [ $rerun -eq 1 ] && { reruns=$((reruns + 1)); continue; } 132 [ $clean -eq 1 ] && { cleans=$((cleans + 1)); break; } 133 [ -f fsck_ffs.core ] && 134 { cp $diskimage \ 135 /tmp/fsck_ffs.core.diskimage.`date +%Y%m%dT%H%M%S`; break 2; } 136 done 137 [ $clean -ne 1 ] && break 138 mdconfig -a -t vnode -f $diskimage -u $u2 139 [ $r -ne 0 -a $clean -eq 1 ] && 140 { echo "CLEAN && non zero exit code"; break; } 141 [ $clean -eq 1 ] && continue 142 [ $usedasb -eq 1 ] && { echo "Alt. SB failed"; s=104; } 143 [ $waccess -eq 1 ] && { echo "No write access"; s=105; } 144 break 145done 146mount | grep -q "on $mp2 " && umount $mp2 147mdconfig -d -u $u2 || exit 1 148 149echo "$cleans cleans, $reruns reruns, $asbs alternate SBs." 150if [ $clean -ne 1 ]; then 151 echo "FS still not clean. Last fsck_ffs exit code was $r." 152 cat $log 153 cp -v $log /tmp 154 [ $s -eq 0 ] && s=106 155fi 156echo * | grep -q core && { ls -l *.core; cp $log /tmp; exit 106; } || 157 rm -f $backup 158cd /tmp 159umount $mp1 160mdconfig -d -u $u1 161rm -f /tmp/flip 162exit $s 163