xref: /freebsd/tools/test/stress2/misc/jexec.sh (revision fd45b686f9d92f583366c75b22c04c7ee49709c0)
1#!/bin/sh
2
3#
4# SPDX-License-Identifier: BSD-2-Clause
5#
6# Copyright (c) 2020 Peter Holm
7#
8# Redistribution and use in source and binary forms, with or without
9# modification, are permitted provided that the following conditions
10# are met:
11# 1. Redistributions of source code must retain the above copyright
12#    notice, this list of conditions and the following disclaimer.
13# 2. Redistributions in binary form must reproduce the above copyright
14#    notice, this list of conditions and the following disclaimer in the
15#    documentation and/or other materials provided with the distribution.
16#
17# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27# SUCH DAMAGE.
28#
29
30# Bug 238032 - "jexec pr_ref leak" by bz@
31# "foo DYING" seen.
32# Fixed by r358676
33
34[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
35. ../default.cfg
36
37[ -z "$nfs_export" ] && exit 0
38ping -c 2 `echo $nfs_export | sed 's/:.*//'` > /dev/null 2>&1 ||
39    exit 0
40mount | grep "$mntpoint" | grep -q nfs && umount $mntpoint
41mount -t nfs -o tcp -o retrycnt=3 -o intr,soft -o rw $nfs_export $mntpoint
42
43here=`pwd`
44cd $mntpoint
45(cd $here/../testcases/swap; ./swap -t 2m -i 20) &
46sleep 10
47jail -c name=foo persist
48start=`date +%s`
49while [ $((`date +%s`- start)) -lt 120 ]; do
50	jexec foo <<-EOF
51	sleep .2
52EOF
53done > /dev/null 2>&1
54jail -r foo
55jls -dv | grep foo && s=1 || s=0
56
57cd $here
58for i in `jot 5`; do
59	umount $mntpoint && break
60	sleep 2
61done
62wait
63
64# Break into kgdb and type "show prison"
65# Check ref count growth
66
67exit $s
68