1be8d01b5SPeter Holm#!/bin/sh 2be8d01b5SPeter Holm 3be8d01b5SPeter Holm# 4be8d01b5SPeter Holm# SPDX-License-Identifier: BSD-2-Clause 5be8d01b5SPeter Holm# 6be8d01b5SPeter Holm# Copyright (c) 2023 Peter Holm <pho@FreeBSD.org> 7be8d01b5SPeter Holm# 8be8d01b5SPeter Holm# Redistribution and use in source and binary forms, with or without 9be8d01b5SPeter Holm# modification, are permitted provided that the following conditions 10be8d01b5SPeter Holm# are met: 11be8d01b5SPeter Holm# 1. Redistributions of source code must retain the above copyright 12be8d01b5SPeter Holm# notice, this list of conditions and the following disclaimer. 13be8d01b5SPeter Holm# 2. Redistributions in binary form must reproduce the above copyright 14be8d01b5SPeter Holm# notice, this list of conditions and the following disclaimer in the 15be8d01b5SPeter Holm# documentation and/or other materials provided with the distribution. 16be8d01b5SPeter Holm# 17be8d01b5SPeter Holm# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18be8d01b5SPeter Holm# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19be8d01b5SPeter Holm# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20be8d01b5SPeter Holm# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21be8d01b5SPeter Holm# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22be8d01b5SPeter Holm# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23be8d01b5SPeter Holm# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24be8d01b5SPeter Holm# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25be8d01b5SPeter Holm# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26be8d01b5SPeter Holm# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27be8d01b5SPeter Holm# SUCH DAMAGE. 28be8d01b5SPeter Holm# 29be8d01b5SPeter Holm 30be8d01b5SPeter Holm# fsck_ffs(8) disk image fuzz test. 31be8d01b5SPeter Holm# Test without mount(8) and umount(8) 32be8d01b5SPeter Holm 33be8d01b5SPeter Holm. ../default.cfg 34be8d01b5SPeter Holm 35be8d01b5SPeter Holm[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 36be8d01b5SPeter Holm 37be8d01b5SPeter Holmcc -o /tmp/flip -Wall -Wextra -O2 ../tools/flip.c || exit 1 38be8d01b5SPeter Holm 39be8d01b5SPeter Holm# Disable the calls to sync(2) in fsck_ffs(8) to speed up the test 40be8d01b5SPeter Holmecho 'int sync(void) { return (0); }' > /tmp/fsck_preload.c 41be8d01b5SPeter Holmmycc -o /tmp/fsck_preload.so -shared -fpic /tmp/fsck_preload.c || exit 1 42be8d01b5SPeter Holmrm /tmp/fsck_preload.c 43be8d01b5SPeter Holm 44be8d01b5SPeter Holmset -eu 45be8d01b5SPeter Holmu1=$mdstart 46be8d01b5SPeter Holmu2=$((mdstart + 1)) 47be8d01b5SPeter Holmmp1=${mntpoint}$u1 48be8d01b5SPeter Holmprog=$(basename "$0" .sh) 49be8d01b5SPeter Holmmkdir -p $mp1 50be8d01b5SPeter Holm 51be8d01b5SPeter Holmmax=$((2 * 1024 * 1024)) # Two alternate super blocks @ 192 and 2240 52be8d01b5SPeter Holmi=`jot -r 1 1 3` 53be8d01b5SPeter Holm[ $i -eq 1 ] && flags="-O2" 54be8d01b5SPeter Holm[ $i -eq 2 ] && flags="-U" 55be8d01b5SPeter Holm[ $i -eq 3 ] && { flags="-j"; max=$((8 * 1024 * 1024)); } 56be8d01b5SPeter Holm 57be8d01b5SPeter Holmbackup=$mp1/$prog.diskimage.$flags.`date +%Y%m%dT%H%M%S` 58be8d01b5SPeter Holmcore=/tmp/$prog.core.`date +%Y%m%dT%H%M%S` 59be8d01b5SPeter Holmdiskimage=$mp1/$prog.diskimage 60be8d01b5SPeter Holmlog=$mp1/$prog.log 61be8d01b5SPeter Holm 62be8d01b5SPeter Holmasbs=0 63be8d01b5SPeter Holmcleans=0 64be8d01b5SPeter Holmreruns=0 65be8d01b5SPeter Holmwaccess=0 66be8d01b5SPeter Holm 67be8d01b5SPeter Holmset +e 68be8d01b5SPeter Holmmount | grep "on $mp1 " | grep -q /dev/md && umount -f $mp1 69be8d01b5SPeter Holm[ -c /dev/md$u1 ] && mdconfig -d -u $u1 70be8d01b5SPeter Holmmdconfig -a -t swap -s 10g -u $u1 71be8d01b5SPeter Holmnewfs $newfs_flags /dev/md$u1 > /dev/null 72be8d01b5SPeter Holmmount /dev/md$u1 $mp1 73be8d01b5SPeter Holm 74be8d01b5SPeter Holm[ -c /dev/md$u2 ] && mdconfig -d -u $u2 75be8d01b5SPeter Holmdd if=/dev/zero of=$diskimage bs=$max count=1 status=none 76be8d01b5SPeter Holmmdconfig -a -t vnode -f $diskimage -u $u2 77be8d01b5SPeter Holmbackups=`newfs -N $flags md$u2 | grep -A1 "super-block backups" | \ 78be8d01b5SPeter Holm tail -1 | sed 's/,//g'` 79be8d01b5SPeter Holmecho "newfs $flags /dev/md$u2" 80be8d01b5SPeter Holmnewfs $flags md$u2 > /dev/null 81be8d01b5SPeter Holmmdconfig -d -u $u2 82be8d01b5SPeter Holm 83be8d01b5SPeter Holmchk() { 84be8d01b5SPeter Holm local i 85be8d01b5SPeter Holm 86be8d01b5SPeter Holm clean=0 87be8d01b5SPeter Holm rerun=0 88be8d01b5SPeter Holm waccess=0 89be8d01b5SPeter Holm LD_PRELOAD=/tmp/fsck_preload.so \ 90be8d01b5SPeter Holm timeout 2m fsck_ffs -fy $1 > $log 2>&1 91be8d01b5SPeter Holm r=$? 92be8d01b5SPeter Holm if grep -qiE "super-?block.*failed" $log; then 93be8d01b5SPeter Holm for b in $backups; do 94be8d01b5SPeter Holm asbs=$((asbs + 1)) 95be8d01b5SPeter Holm LD_PRELOAD=/tmp/fsck_preload.so \ 96be8d01b5SPeter Holm timeout 2m fsck_ffs -b $b -fy $1 > $log 2>&1 97be8d01b5SPeter Holm r=$? 98be8d01b5SPeter Holm grep -qiE "super-?block.*failed" $log || 99be8d01b5SPeter Holm break 100be8d01b5SPeter Holm done 101be8d01b5SPeter Holm usedasb=1 102be8d01b5SPeter Holm else 103be8d01b5SPeter Holm usedasb=0 104be8d01b5SPeter Holm fi 105be8d01b5SPeter Holm LANG=C egrep -q "[A-Z][A-Z]" $log && clean=0 106be8d01b5SPeter Holm grep -Eq "IS CLEAN|MARKED CLEAN" $log && clean=1 107be8d01b5SPeter Holm # For now regard a "was modified" as a cause for a rerun, 108be8d01b5SPeter Holm # disregarding "clean" claim. 109be8d01b5SPeter Holm grep -Eq "WAS MODIFIED" $log && rerun=1 110be8d01b5SPeter Holm grep -q RERUN $log && rerun=1 111be8d01b5SPeter Holm grep -q "NO WRITE ACCESS" $log && waccess=1 112be8d01b5SPeter Holm [ $r -ne 0 -a $clean -eq 1 ] && echo "Exit code $r w/ clean == 1" 113be8d01b5SPeter Holm} 114be8d01b5SPeter Holm 115be8d01b5SPeter Holmcd $mp1 116be8d01b5SPeter Holms=0 117be8d01b5SPeter Holmstart=`date +%s` 118be8d01b5SPeter Holmwhile [ $((`date +%s` - start)) -lt 60 ]; do 119be8d01b5SPeter Holm /tmp/flip -n 50 $diskimage 120be8d01b5SPeter Holm 121be8d01b5SPeter Holm cp $diskimage $backup 122be8d01b5SPeter Holm 123be8d01b5SPeter Holm for i in `jot 10`; do 124be8d01b5SPeter Holm chk $diskimage 125be8d01b5SPeter Holm [ $i -eq 1 -a "$flags" = "-j" ] && continue # First run processes the journal 126be8d01b5SPeter Holm [ $rerun -eq 1 ] && { reruns=$((reruns + 1)); continue; } 127be8d01b5SPeter Holm [ $clean -eq 1 ] && { cleans=$((cleans + 1)); break; } 128be8d01b5SPeter Holm [ -f fsck_ffs.core ] && { s=1; break 2; } 129be8d01b5SPeter Holm [ $r -eq 124 ] && { s=2; break 2; } # timeout 130be8d01b5SPeter Holm done 131be8d01b5SPeter Holm [ $clean -ne 1 ] && break 132be8d01b5SPeter Holm [ $r -ne 0 -a $clean -eq 1 ] && 133be8d01b5SPeter Holm { echo "CLEAN && non zero exit code"; break; } 134be8d01b5SPeter Holm [ $clean -eq 1 ] && continue 135be8d01b5SPeter Holm [ $usedasb -eq 1 ] && { echo "Alt. SB failed"; s=104; } 136be8d01b5SPeter Holm [ $waccess -eq 1 ] && { echo "No write access"; s=105; } 137be8d01b5SPeter Holm break 138be8d01b5SPeter Holmdone 139be8d01b5SPeter Holm 140be8d01b5SPeter Holmecho "$cleans cleans, $reruns reruns, $asbs alternate SBs." 141be8d01b5SPeter Holmif [ $clean -ne 1 ]; then 142be8d01b5SPeter Holm echo "FS still not clean. Last fsck_ffs exit code was $r." 143be8d01b5SPeter Holm [ $s -eq 0 ] && s=106 144be8d01b5SPeter Holmfi 145be8d01b5SPeter Holmgrep -q "Superblock check-hash failed" $log && s=0 # Ignore for now 146be8d01b5SPeter Holmgrep -q "is not a file system superblock" $log && s=0 # Ignore for now 147be8d01b5SPeter Holm[ $s -ne 0 ] && { gzip $backup; cp -v $backup.gz /tmp; } 148be8d01b5SPeter Holmcd /tmp 149be8d01b5SPeter Holmumount $mp1 150be8d01b5SPeter Holmmdconfig -d -u $u1 151be8d01b5SPeter Holmrm -f /tmp/flip /tmp/fsck_preload.so 152be8d01b5SPeter Holmexit $s 153