Date: Fri, 30 Nov 2018 07:09:29 +0000 (UTC) From: Peter Holm <pho@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r341318 - user/pho/stress2/misc Message-ID: <201811300709.wAU79Tan083716@repo.freebsd.org>
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Author: pho Date: Fri Nov 30 07:09:29 2018 New Revision: 341318 URL: https://svnweb.freebsd.org/changeset/base/341318 Log: Added a regression test for r340343 "Allow absolute paths for O_BENEATH". Sponsored by: Dell EMC Isilon Added: user/pho/stress2/misc/beneath2.sh (contents, props changed) Added: user/pho/stress2/misc/beneath2.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/beneath2.sh Fri Nov 30 07:09:29 2018 (r341318) @@ -0,0 +1,102 @@ +#!/bin/sh + +# +# SPDX-License-Identifier: BSD-2-Clause-FreeBSD +# +# Copyright (c) 2018 Dell EMC Isilon +# +# 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. +# +# $FreeBSD$ +# + +# O_BENEATH test with a relative path, which is a symbolic link pointing +# to an absolute path. + +# "panic: Assertion (ndp->ni_lcf & NI_LCF_LATCH) != 0 failed at +# ../../../kern/vfs_lookup.c:182" seen. Fixed by r340343. + +# Based on scenario by Vladimir Kondratyev <vladimir kondratyev su> + +. ../default.cfg +[ `id -u` -ne 0 ] && echo "Must be root!" && exit 1 + +dir=/tmp +odir=`pwd` +cd $dir +sed '1,/^EOF/d' < $odir/$0 > $dir/beneath2.c +mycc -o beneath2 -Wall -Wextra -O0 -g beneath2.c || exit 1 +rm -f beneath2.c +cd $odir + +set -e +mount | grep "on $mntpoint " | grep -q /dev/md && umount -f $mntpoint +[ -c /dev/md$mdstart ] && mdconfig -d -u $mdstart +mdconfig -a -t swap -s 1g -u $mdstart +bsdlabel -w md$mdstart auto +newfs $newfs_flags md${mdstart}$part > /dev/null +mount /dev/md${mdstart}$part $mntpoint +set +e + +cd $mntpoint +ln -s /tmp/justalongname symlink +$dir/beneath2 symlink +s=$? +[ -f beneath2.core -a $s -eq 0 ] && + { ls -l beneath2.core; mv beneath2.core $dir; s=1; } +cd $odir + +for i in `jot 6`; do + mount | grep -q "on $mntpoint " || break + umount $mntpoint && break || sleep 10 + [ $i -eq 6 ] && + { echo FATAL; fstat -mf $mntpoint; exit 1; } +done +mdconfig -d -u $mdstart +rm -rf $dir/beneath2 +exit $s + +EOF +#include <sys/types.h> + +#include <err.h> +#include <errno.h> +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> + +int +main(int argc, char *argv[]) +{ + int fd; + char *file; + + if (argc != 2) { + fprintf(stderr, "Usage: %s <file>", argv[0]); + exit(1); + } + file = argv[1]; + if ((fd = open(file, O_RDONLY | O_BENEATH)) != 0 && errno != ENOENT) + err(1, "open(%s)", file); + + return (0); +}
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