Date: Mon, 28 Nov 2011 14:20:13 +0000 (UTC) From: Peter Holm <pho@FreeBSD.org> To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r228067 - projects/stress2/misc Message-ID: <201111281420.pASEKDml094661@svn.freebsd.org>
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Author: pho Date: Mon Nov 28 14:20:12 2011 New Revision: 228067 URL: http://svn.freebsd.org/changeset/base/228067 Log: Added regression test for r227952. Added: projects/stress2/misc/devfd.sh (contents, props changed) Added: projects/stress2/misc/devfd.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ projects/stress2/misc/devfd.sh Mon Nov 28 14:20:12 2011 (r228067) @@ -0,0 +1,131 @@ +#!/bin/sh + +# +# Copyright (c) 2011 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. +# +# $FreeBSD$ +# + +# "panic: vn_lock 0xc65b5828: zero hold count" seen. + +# Originally found by the iknowthis test suite +# by Tavis Ormandy <taviso cmpxchg8b com> +# Fixed by r227952 + +[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 + +. ../default.cfg + +odir=`pwd` +cd /tmp +sed '1,/^EOF/d' < $odir/$0 > devfd.c +rm -f /tmp/devfd +cc -o devfd -Wall -Wextra -O2 -g devfd.c -lpthread || exit 1 +rm -f devfd.c + +mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint +mdconfig -l | grep -q md$mdstart && mdconfig -d -u $mdstart + +mdconfig -a -t swap -s 1g -u $mdstart || exit 1 +bsdlabel -w md$mdstart auto +newfs -U md${mdstart}$part > /dev/null +mount /dev/md${mdstart}$part $mntpoint +chmod 777 $mntpoint + +su $testuser -c "(cd $mntpoint; /tmp/devfd)" + +while mount | grep $mntpoint | grep -q /dev/md; do + umount $mntpoint || sleep 1 +done +mdconfig -d -u $mdstart +rm -f /tmp/devfd +exit +EOF +#include <err.h> +#include <fcntl.h> +#include <pthread.h> +#include <stdio.h> +#include <stdlib.h> +#include <sys/param.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <unistd.h> + +int fd[3], fd2[3]; + +void * +thr1(void *arg __unused) +{ + int i, j; + char path[80]; + + for (i = 0; i < 100000; i++) { + for (j = 0; j < 3; j++) { + if (fd[j] != -1) + close(fd[j]); + sprintf(path, "fx%d", j); + fd[j] = open(path, O_RDWR | O_CREAT, 0640); + } + } + return (0); +} + +void * +thr2(void *arg __unused) +{ + int i, j; + char path[80]; + + for (i = 0; i < 100000; i++) { + for (j = 0; j < 3; j++) { + if (fd2[j] != -1) + close(fd2[j]); + sprintf(path, "/dev/fd/%d", j); + if ((fd2[j] = open(path, O_RDONLY)) != -1) + fchflags(fd2[j], UF_NODUMP); + } + + } + return (0); +} + +int +main(void) +{ + pthread_t p1, p2; + + close(0); + close(1); + close(2); + if (pthread_create(&p1, NULL, thr1, NULL) != 0) + err(1, "pthread_create"); + if (pthread_create(&p2, NULL, thr2, NULL) != 0) + err(1, "pthread_create"); + pthread_join(p1, NULL); + pthread_join(p2, NULL); + + return (0); +} +
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