xref: /dragonfly/test/stress/stress2/misc/nullfs3.sh (revision 335b9e93)
1#!/bin/sh
2
3#
4# Copyright (c) 2009 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# $FreeBSD$
29#
30
31# Test scenario by "Paul B. Mahol" <onemda gmail com>
32
33# Caused: lock violation
34
35[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
36
37. ../default.cfg
38
39[ -d mp1 ] || mkdir mp1
40[ -d $RUNDIR ] || mkdir $RUNDIR
41
42mp=`pwd`/mp1
43mount | grep -q $mp && umount -f $mp
44
45mount -t nullfs `dirname $RUNDIR` $mp
46
47cd $mp/stressX
48whereis something
49cd /
50
51umount $mp
52
53mount | grep -q $mp && umount -f $mp
54
55rm -rf $mp
56