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Date:      Fri, 6 Mar 2020 07:07:26 +0000 (UTC)
From:      Peter Holm <pho@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-user@freebsd.org
Subject:   svn commit: r358692 - user/pho/stress2/misc
Message-ID:  <202003060707.02677Qsv045744@repo.freebsd.org>

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Author: pho
Date: Fri Mar  6 07:07:25 2020
New Revision: 358692
URL: https://svnweb.freebsd.org/changeset/base/358692

Log:
  Added a regression test.

Added:
  user/pho/stress2/misc/jexec.sh   (contents, props changed)

Added: user/pho/stress2/misc/jexec.sh
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ user/pho/stress2/misc/jexec.sh	Fri Mar  6 07:07:25 2020	(r358692)
@@ -0,0 +1,69 @@
+#!/bin/sh
+
+#
+# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+#
+# Copyright (c) 2020 Peter Holm
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+# Bug 238032 - "jexec pr_ref leak" by bz@
+# "foo DYING" seen.
+# Fixed by r358676
+
+[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
+. ../default.cfg
+
+[ -z "$nfs_export" ] && exit 0
+ping -c 2 `echo $nfs_export | sed 's/:.*//'` > /dev/null 2>&1 ||
+    exit 0
+mount | grep "$mntpoint" | grep -q nfs && umount $mntpoint
+mount -t nfs -o tcp -o retrycnt=3 -o intr,soft -o rw $nfs_export $mntpoint
+
+here=`pwd`
+cd $mntpoint
+(cd $here/../testcases/swap; ./swap -t 2m -i 20) &
+sleep 10
+jail -c name=foo persist
+start=`date +%s`
+while [ $((`date +%s`- start)) -lt 120 ]; do
+	jexec foo <<-EOF
+	sleep .2
+EOF
+done > /dev/null 2>&1
+jail -r foo
+jls -dv | grep foo && s=1 || s=0
+
+cd $here
+for i in `jot 5`; do
+	umount $mntpoint && break
+	sleep 2
+done
+wait
+
+# Break into kgdb and type "show prison"
+# Check ref count growth
+
+exit $s



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