From owner-svn-src-user@FreeBSD.ORG Fri Jul 26 09:11:39 2013 Return-Path: Delivered-To: svn-src-user@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id D2B6B75; Fri, 26 Jul 2013 09:11:39 +0000 (UTC) (envelope-from pho@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id A64E82DD8; Fri, 26 Jul 2013 09:11:39 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.7/8.14.7) with ESMTP id r6Q9BdCc061609; Fri, 26 Jul 2013 09:11:39 GMT (envelope-from pho@svn.freebsd.org) Received: (from pho@localhost) by svn.freebsd.org (8.14.7/8.14.5/Submit) id r6Q9Bd1v061608; Fri, 26 Jul 2013 09:11:39 GMT (envelope-from pho@svn.freebsd.org) Message-Id: <201307260911.r6Q9Bd1v061608@svn.freebsd.org> From: Peter Holm Date: Fri, 26 Jul 2013 09:11:39 +0000 (UTC) To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r253669 - user/pho/stress2/misc X-SVN-Group: user MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-user@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "SVN commit messages for the experimental " user" src tree" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 26 Jul 2013 09:11:39 -0000 Author: pho Date: Fri Jul 26 09:11:38 2013 New Revision: 253669 URL: http://svnweb.freebsd.org/changeset/base/253669 Log: Added an old vnode leak regression test. Sponsored by: EMC / Isilon storage division Added: user/pho/stress2/misc/vnodes.sh (contents, props changed) Added: user/pho/stress2/misc/vnodes.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/vnodes.sh Fri Jul 26 09:11:38 2013 (r253669) @@ -0,0 +1,83 @@ +#!/bin/sh + +# +# Copyright (c) 2012 Peter Holm +# All rights reserved. +# +# 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. +# +# $FreeBSD$ +# + +# Demonstrate vnode leak + +# Test scenario by Petr Salinger + +. ../default.cfg + +here=`pwd` +cd /tmp +sed '1,/^EOF/d' < $here/$0 > vnodes.c +cc -o vnodes -Wall -O2 vnodes.c +rm -f vnodes.c + +old=`sysctl vfs.numvnodes | tail -1 | sed 's/.*: //'` +/tmp/vnodes +new=`sysctl vfs.numvnodes | tail -1 | sed 's/.*: //'` +[ $((new - old)) -gt 100 ] && echo "FAIL vnode leak" + +rm -f /tmp/vnodes +exit 0 +EOF +#include +#include +#include +#include +#include +#include + + +char dname[]= "/dev/ptyrX"; + +void leak(void) +{ + int i, fd; + + if (fork() == 0) { + for (i = '0'; i < '9'; i ++) { + dname[9] = i; + fd = open(dname, O_RDWR); + } + exit(0); + } + wait(NULL); +} + +int main() +{ + int i; + + for (i = 0 ;i < 100000; i++) { + leak(); + } + return 0; +}