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61 lines
2.3 KiB
Bash
Executable File
61 lines
2.3 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2017 Dell EMC Isilon
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# All rights reserved.
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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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# Demonstrate memory leak of routetbl allegedly caused by use free() in
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# vfs_free_addrlist_af(), instead of rn_detachhead().
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# "routetbl grew 3868" seen on amd64.
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. ../default.cfg
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[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
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pgrep -q mountd || exit 0
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mount | grep "on $mntpoint " | grep -q /dev/md && umount -f $mntpoint
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[ -c /dev/md$mdstart ] && mdconfig -d -u $mdstart
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mdconfig -a -t swap -s 128m -u $mdstart || exit 1
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newfs $newfs_flags md$mdstart > /dev/null
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routetbl=`vmstat -m | grep routetbl | awk '{print $2}'`
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s=0
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start=`date +%s`
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while [ $((`date +%s` - start)) -lt 60 ]; do
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mount /dev/md$mdstart $mntpoint &&
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umount $mntpoint
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done
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routetbl=$((`vmstat -m | grep routetbl | awk '{print $2}'` - routetbl))
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[ $routetbl -gt 0 ] &&
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{ echo "routetbl grew $routetbl"; s=1; }
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for i in `jot 6`; do
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mount | grep -q "on $mntpoint " || break
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umount $mntpoint && break || sleep 10
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done
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[ $i -eq 6 ] && exit 1
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mdconfig -d -u $mdstart
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rm -rf /tmp/template
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exit $s
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