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stress2: Added a faster test of fsck_ffs by omitting mount(8) and umount(8)
This commit is contained in:
Peter Holm
parent
ca0088ae27
commit
be8d01b515
152
tools/test/stress2/misc/fsck13.sh
Executable file
152
tools/test/stress2/misc/fsck13.sh
Executable file
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#!/bin/sh
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#
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# SPDX-License-Identifier: BSD-2-Clause
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#
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# Copyright (c) 2023 Peter Holm <pho@FreeBSD.org>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# fsck_ffs(8) disk image fuzz test.
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# Test without mount(8) and umount(8)
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. ../default.cfg
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[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
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cc -o /tmp/flip -Wall -Wextra -O2 ../tools/flip.c || exit 1
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# Disable the calls to sync(2) in fsck_ffs(8) to speed up the test
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echo 'int sync(void) { return (0); }' > /tmp/fsck_preload.c
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mycc -o /tmp/fsck_preload.so -shared -fpic /tmp/fsck_preload.c || exit 1
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rm /tmp/fsck_preload.c
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set -eu
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u1=$mdstart
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u2=$((mdstart + 1))
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mp1=${mntpoint}$u1
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prog=$(basename "$0" .sh)
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mkdir -p $mp1
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max=$((2 * 1024 * 1024)) # Two alternate super blocks @ 192 and 2240
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i=`jot -r 1 1 3`
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[ $i -eq 1 ] && flags="-O2"
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[ $i -eq 2 ] && flags="-U"
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[ $i -eq 3 ] && { flags="-j"; max=$((8 * 1024 * 1024)); }
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backup=$mp1/$prog.diskimage.$flags.`date +%Y%m%dT%H%M%S`
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core=/tmp/$prog.core.`date +%Y%m%dT%H%M%S`
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diskimage=$mp1/$prog.diskimage
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log=$mp1/$prog.log
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asbs=0
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cleans=0
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reruns=0
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waccess=0
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set +e
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mount | grep "on $mp1 " | grep -q /dev/md && umount -f $mp1
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[ -c /dev/md$u1 ] && mdconfig -d -u $u1
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mdconfig -a -t swap -s 10g -u $u1
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newfs $newfs_flags /dev/md$u1 > /dev/null
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mount /dev/md$u1 $mp1
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[ -c /dev/md$u2 ] && mdconfig -d -u $u2
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dd if=/dev/zero of=$diskimage bs=$max count=1 status=none
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mdconfig -a -t vnode -f $diskimage -u $u2
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backups=`newfs -N $flags md$u2 | grep -A1 "super-block backups" | \
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tail -1 | sed 's/,//g'`
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echo "newfs $flags /dev/md$u2"
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newfs $flags md$u2 > /dev/null
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mdconfig -d -u $u2
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chk() {
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local i
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clean=0
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rerun=0
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waccess=0
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LD_PRELOAD=/tmp/fsck_preload.so \
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timeout 2m fsck_ffs -fy $1 > $log 2>&1
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r=$?
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if grep -qiE "super-?block.*failed" $log; then
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for b in $backups; do
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asbs=$((asbs + 1))
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LD_PRELOAD=/tmp/fsck_preload.so \
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timeout 2m fsck_ffs -b $b -fy $1 > $log 2>&1
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r=$?
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grep -qiE "super-?block.*failed" $log ||
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break
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done
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usedasb=1
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else
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usedasb=0
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fi
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LANG=C egrep -q "[A-Z][A-Z]" $log && clean=0
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grep -Eq "IS CLEAN|MARKED CLEAN" $log && clean=1
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# For now regard a "was modified" as a cause for a rerun,
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# disregarding "clean" claim.
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grep -Eq "WAS MODIFIED" $log && rerun=1
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grep -q RERUN $log && rerun=1
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grep -q "NO WRITE ACCESS" $log && waccess=1
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[ $r -ne 0 -a $clean -eq 1 ] && echo "Exit code $r w/ clean == 1"
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}
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cd $mp1
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s=0
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start=`date +%s`
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while [ $((`date +%s` - start)) -lt 60 ]; do
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/tmp/flip -n 50 $diskimage
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cp $diskimage $backup
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for i in `jot 10`; do
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chk $diskimage
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[ $i -eq 1 -a "$flags" = "-j" ] && continue # First run processes the journal
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[ $rerun -eq 1 ] && { reruns=$((reruns + 1)); continue; }
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[ $clean -eq 1 ] && { cleans=$((cleans + 1)); break; }
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[ -f fsck_ffs.core ] && { s=1; break 2; }
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[ $r -eq 124 ] && { s=2; break 2; } # timeout
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done
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[ $clean -ne 1 ] && break
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[ $r -ne 0 -a $clean -eq 1 ] &&
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{ echo "CLEAN && non zero exit code"; break; }
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[ $clean -eq 1 ] && continue
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[ $usedasb -eq 1 ] && { echo "Alt. SB failed"; s=104; }
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[ $waccess -eq 1 ] && { echo "No write access"; s=105; }
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break
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done
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echo "$cleans cleans, $reruns reruns, $asbs alternate SBs."
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if [ $clean -ne 1 ]; then
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echo "FS still not clean. Last fsck_ffs exit code was $r."
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[ $s -eq 0 ] && s=106
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fi
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grep -q "Superblock check-hash failed" $log && s=0 # Ignore for now
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grep -q "is not a file system superblock" $log && s=0 # Ignore for now
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[ $s -ne 0 ] && { gzip $backup; cp -v $backup.gz /tmp; }
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cd /tmp
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umount $mp1
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mdconfig -d -u $u1
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rm -f /tmp/flip /tmp/fsck_preload.so
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exit $s
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