stress2: Added a regression test
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tools/test/stress2/misc/nullfs30.sh
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112
tools/test/stress2/misc/nullfs30.sh
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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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# Parallel mount and umount test of file mounts,
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# mounting over non-directories
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# panic: free: address 0xffffffff80b229b4 ... has not been allocated
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# https://people.freebsd.org/~pho/stress/log/log0454.txt
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[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
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. ../default.cfg
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cont=/tmp/nullfs30.continue
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mounts=3 # Number of parallel scripts
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set -eu
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md1=$mdstart
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md2=$((md1 + 1))
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mp1=$mntpoint$md1
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mp2=$mntpoint$md2
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mkdir -p $mp1 $mp2
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mdconfig -a -t swap -s 256m -u $md1
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newfs $newfs_flags -n md$md1 > /dev/null
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mount /dev/md$md1 $mp1
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mdconfig -a -t swap -s 256m -u $md2
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newfs $newfs_flags -n md$md2 > /dev/null
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mount /dev/md$md2 $mp2
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for i in `jot $mounts`; do
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cp /etc/group $mp1/f$i
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touch $mp2/m$i
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done
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set +e
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mount -t nullfs $mp1/f1 $mp2/m1 || {
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umount $mp2
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umount $mp1
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mdconfig -d -u $md2
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mdconfig -d -u $md1
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echo "File mount not implemented"
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exit 0
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}
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(cd ../testcases/swap; ./swap -t 5m -i 20 > /dev/null) &
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# Start the parallel tests
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touch $cont
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while [ -f $cont ]; do
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while mount | grep -q "on $mp2/m1 "; do umount $mp2/m1; done 2> /dev/null
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mount -t nullfs $mp1/f1 $mp2/m1
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done &
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while [ -f $cont ]; do
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while mount | grep -q "on $mp2/m2 "; do umount $mp2/m2; done 2> /dev/null
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mount -t nullfs $mp1/f2 $mp2/m2
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done &
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while [ -f $cont ]; do
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while mount | grep -q "on $mp2/m3 "; do umount $mp2/m3; done 2> /dev/null
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mount -t nullfs $mp1/f3 $mp2/m3
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done &
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start=`date +%s`
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while [ $((`date +%s` - start)) -lt 300 ]; do
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cat $mp2/m1 $mp2/m2 $mp2/m3 > /dev/null
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done
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rm -f $cont
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while pgrep -q swap; do pkill swap; done
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wait
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for i in 1 2 3; do
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while mount | grep -q "on $mp2/m$i "; do umount $mp2/m$i; done 2> /dev/null
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done
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# Check error handling
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mount -t nullfs $mp1/f1 $mp2/m1
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mount -t nullfs $mp1/f1 $mp2/m1 2>/dev/null && s=1 || s=0
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while mount | grep -q "on $mp2/m1 "; do umount $mp2/m1; done 2> /dev/null
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mkdir $mp2/dir
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mount -t nullfs $mp1/f1 $mp2/dir 2>/dev/null && s=2
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umount $mp2
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umount $mp1
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mdconfig -d -u $md2
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mdconfig -d -u $md1
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exit $s
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