1#!/bin/sh 2 3# 4# Copyright (c) 2010 Peter Holm <pho@FreeBSD.org> 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# Page fault on SUJ enabled FS 30# Fix: http://docs.freebsd.org/cgi/mid.cgi?20100823211257.GI2396 31 32# Tets scenario by Mateusz Guzik mjguzik gmail com 33 34[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 35 36. ../default.cfg 37 38odir=`pwd` 39 40cd /tmp 41sed '1,/^EOF/d' < $odir/$0 > suj2.c 42mycc -o suj2 -Wall -Wextra -O2 suj2.c 43rm -f suj2.c 44 45mount | grep "$mntpoint" | grep -q /dev/md && umount -f $mntpoint 46mdconfig -l | grep -q md$mdstart && mdconfig -d -u $mdstart 47mdconfig -a -t swap -s 1g -u $mdstart 48newfs -j md$mdstart > /dev/null 49mount /dev/md$mdstart $mntpoint 50cd $mntpoint 51 52rm -rf foo bar 53 54/tmp/suj2 55 56cd / 57while mount | grep "$mntpoint" | grep -q /dev/md; do 58 umount $mntpoint || sleep 1 59done 60mdconfig -d -u $mdstart 61rm -rf foo bar /tmp/suj2 62exit 63EOF 64#include <sys/stat.h> 65#include <stdio.h> 66 67int 68main(void) 69{ 70 71 mkdir("foo", 00700); 72 mkdir("bar", 00700); 73 74 rename("foo", "bar"); 75 76 return (0); 77} 78