1#!/bin/sh 2 3# 4# Copyright (c) 2017 Dell EMC Isilon 5# All rights reserved. 6# 7# Redistribution and use in source and binary forms, with or without 8# modification, are permitted provided that the following conditions 9# are met: 10# 1. Redistributions of source code must retain the above copyright 11# notice, this list of conditions and the following disclaimer. 12# 2. Redistributions in binary form must reproduce the above copyright 13# notice, this list of conditions and the following disclaimer in the 14# documentation and/or other materials provided with the distribution. 15# 16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26# SUCH DAMAGE. 27# 28 29# Demonstrate memory leak of routetbl allegedly caused by use free() in 30# vfs_free_addrlist_af(), instead of rn_detachhead(). 31# "routetbl grew 3868" seen on amd64. 32 33. ../default.cfg 34[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 35 36pgrep -q mountd || exit 0 37mount | grep "on $mntpoint " | grep -q /dev/md && umount -f $mntpoint 38[ -c /dev/md$mdstart ] && mdconfig -d -u $mdstart 39mdconfig -a -t swap -s 128m -u $mdstart || exit 1 40newfs $newfs_flags md$mdstart > /dev/null 41 42routetbl=`vmstat -m | grep routetbl | awk '{print $2}'` 43s=0 44start=`date +%s` 45while [ $((`date +%s` - start)) -lt 60 ]; do 46 mount /dev/md$mdstart $mntpoint && 47 umount $mntpoint 48done 49routetbl=$((`vmstat -m | grep routetbl | awk '{print $2}'` - routetbl)) 50[ $routetbl -gt 0 ] && 51 { echo "routetbl grew $routetbl"; s=1; } 52 53for i in `jot 6`; do 54 mount | grep -q "on $mntpoint " || break 55 umount $mntpoint && break || sleep 10 56done 57[ $i -eq 6 ] && exit 1 58mdconfig -d -u $mdstart 59rm -rf /tmp/template 60exit $s 61