Date: Fri, 12 Jan 2018 09:59:08 +0000 (UTC) From: Peter Holm <pho@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r327868 - user/pho/stress2/misc Message-ID: <201801120959.w0C9x8EW053476@repo.freebsd.org>
index | next in thread | raw e-mail
Author: pho Date: Fri Jan 12 09:59:08 2018 New Revision: 327868 URL: https://svnweb.freebsd.org/changeset/base/327868 Log: Added a regression test. Sponsored by: Dell EMC Isilon Added: user/pho/stress2/misc/symlink4.sh (contents, props changed) Added: user/pho/stress2/misc/symlink4.sh ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ user/pho/stress2/misc/symlink4.sh Fri Jan 12 09:59:08 2018 (r327868) @@ -0,0 +1,127 @@ +#!/bin/sh + +# +# Copyright (c) 2018 Dell EMC Isilon +# 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. +# +# $FreeBSD$ +# + +# Testing with links longer than 120 characters, which is not stored in the +# inode but will be placed in its own data fragment. + +# "panic: softdep_deallocate_dependencies: dangling deps" seen with SU: +# https://people.freebsd.org/~pho/stress/log/symlink4.txt +# Fixed by r327821 + +[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 + +. ../default.cfg + +dir=/tmp +odir=`pwd` +cd $dir +sed '1,/^EOF/d' < $odir/$0 > $dir/symlink4.c +mycc -o symlink4 -Wall -Wextra -O0 -g symlink4.c || exit 1 +rm -f symlink4.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 +i=`df -ik $mntpoint | tail -1 | awk '{printf "%d\n", ($7 - 500)/2}'` +/tmp/symlink4 $i +s=$? +[ -f symlink4.core -a $s -eq 0 ] && + { ls -l symlink4.core; mv symlink4.core /tmp; s=1; } +cd $odir + +for i in `jot 6`; do + mount | grep -q "on $mntpoint " || break + umount $mntpoint && break || sleep 10 +done +[ $i -eq 6 ] && exit 1 +mdconfig -d -u $mdstart +rm -rf $dir/symlink4 +exit $s + +EOF +#include <sys/types.h> +#include <sys/mount.h> +#include <sys/param.h> +#include <sys/stat.h> +#include <sys/sysctl.h> + +#include <unistd.h> +#include <err.h> +#include <errno.h> +#include <fcntl.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +int +main(int argc, char **argv) +{ + int64_t size; + pid_t pid; + int i, j; + char file[128], link[256]; + + if (argc != 2) + errx(1, "Usage: %s <links>", argv[0]); + size = atol(argv[1]); + strcpy(link, "/mnt/not/there/"); + for (i = 15; i < 200; i++) + link[i] = '1'; + link[++i] = 0; + + pid = getpid(); + for (j = 0; j < size; j++) { + sprintf(file,"p%05d.%05d", pid, j); + if (symlink(link, file) == -1) { + if (errno != EINTR) { + warn("symlink(%s, %s)", link, file); + printf("break out at %d, errno %d\n", j, + errno); + break; + } + } + } + + for (i = --j; i >= 0; i--) { + sprintf(file,"p%05d.%05d", pid, i); + if (unlink(file) == -1) + err(3, "unlink(%s)", file); + + } + return (0); +}help
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201801120959.w0C9x8EW053476>