xref: /freebsd/tools/test/stress2/misc/beneath2.sh (revision 4d846d260e2b9a3d4d0a701462568268cbfe7a5b)
18a272653SPeter Holm#!/bin/sh
28a272653SPeter Holm
38a272653SPeter Holm#
4*4d846d26SWarner Losh# SPDX-License-Identifier: BSD-2-Clause
58a272653SPeter Holm#
68a272653SPeter Holm# Copyright (c) 2018 Dell EMC Isilon
78a272653SPeter Holm#
88a272653SPeter Holm# Redistribution and use in source and binary forms, with or without
98a272653SPeter Holm# modification, are permitted provided that the following conditions
108a272653SPeter Holm# are met:
118a272653SPeter Holm# 1. Redistributions of source code must retain the above copyright
128a272653SPeter Holm#    notice, this list of conditions and the following disclaimer.
138a272653SPeter Holm# 2. Redistributions in binary form must reproduce the above copyright
148a272653SPeter Holm#    notice, this list of conditions and the following disclaimer in the
158a272653SPeter Holm#    documentation and/or other materials provided with the distribution.
168a272653SPeter Holm#
178a272653SPeter Holm# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
188a272653SPeter Holm# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
198a272653SPeter Holm# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
208a272653SPeter Holm# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
218a272653SPeter Holm# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
228a272653SPeter Holm# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
238a272653SPeter Holm# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
248a272653SPeter Holm# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
258a272653SPeter Holm# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
268a272653SPeter Holm# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
278a272653SPeter Holm# SUCH DAMAGE.
288a272653SPeter Holm#
298a272653SPeter Holm
30e0fd837aSPeter Holm# O_RESOLVE_BENEATH test with a relative path, which is a symbolic link pointing
318a272653SPeter Holm# to an absolute path.
328a272653SPeter Holm
338a272653SPeter Holm# "panic: Assertion (ndp->ni_lcf & NI_LCF_LATCH) != 0 failed at
348a272653SPeter Holm# ../../../kern/vfs_lookup.c:182" seen. Fixed by r340343.
358a272653SPeter Holm
368a272653SPeter Holm# Based on scenario by Vladimir Kondratyev <vladimir kondratyev su>
378a272653SPeter Holm
388a272653SPeter Holm. ../default.cfg
398a272653SPeter Holm[ `id -u` -ne 0 ] && echo "Must be root!" && exit 1
408a272653SPeter Holm
418a272653SPeter Holmdir=/tmp
428a272653SPeter Holmodir=`pwd`
438a272653SPeter Holmcd $dir
448a272653SPeter Holmsed '1,/^EOF/d' < $odir/$0 > $dir/beneath2.c
458a272653SPeter Holmmycc -o beneath2 -Wall -Wextra -O0 -g beneath2.c || exit 1
468a272653SPeter Holmrm -f beneath2.c
478a272653SPeter Holmcd $odir
488a272653SPeter Holm
498a272653SPeter Holmset -e
508a272653SPeter Holmmount | grep "on $mntpoint " | grep -q /dev/md && umount -f $mntpoint
518a272653SPeter Holm[ -c /dev/md$mdstart ] &&  mdconfig -d -u $mdstart
528a272653SPeter Holmmdconfig -a -t swap -s 1g -u $mdstart
53608c97bfSPeter Holmnewfs $newfs_flags md$mdstart > /dev/null
54608c97bfSPeter Holmmount /dev/md$mdstart $mntpoint
558a272653SPeter Holmset +e
568a272653SPeter Holm
578a272653SPeter Holmcd $mntpoint
588a272653SPeter Holmln -s /tmp/justalongname symlink
598a272653SPeter Holm$dir/beneath2 symlink
608a272653SPeter Holms=$?
618a272653SPeter Holm[ -f beneath2.core -a $s -eq 0 ] &&
628a272653SPeter Holm    { ls -l beneath2.core; mv beneath2.core $dir; s=1; }
638a272653SPeter Holmcd $odir
648a272653SPeter Holm
658a272653SPeter Holmfor i in `jot 6`; do
668a272653SPeter Holm	mount | grep -q "on $mntpoint " || break
678a272653SPeter Holm	umount $mntpoint && break || sleep 10
688a272653SPeter Holm	[ $i -eq 6 ] &&
698a272653SPeter Holm	    { echo FATAL; fstat -mf $mntpoint; exit 1; }
708a272653SPeter Holmdone
718a272653SPeter Holmmdconfig -d -u $mdstart
728a272653SPeter Holmrm -rf $dir/beneath2
738a272653SPeter Holmexit $s
748a272653SPeter Holm
758a272653SPeter HolmEOF
768a272653SPeter Holm#include <sys/types.h>
778a272653SPeter Holm
788a272653SPeter Holm#include <err.h>
798a272653SPeter Holm#include <errno.h>
808a272653SPeter Holm#include <fcntl.h>
818a272653SPeter Holm#include <stdio.h>
828a272653SPeter Holm#include <stdlib.h>
838a272653SPeter Holm
848a272653SPeter Holmint
858a272653SPeter Holmmain(int argc, char *argv[])
868a272653SPeter Holm{
878a272653SPeter Holm	int fd;
888a272653SPeter Holm	char *file;
898a272653SPeter Holm
908a272653SPeter Holm	if (argc != 2) {
918a272653SPeter Holm		fprintf(stderr, "Usage: %s <file>", argv[0]);
928a272653SPeter Holm		exit(1);
938a272653SPeter Holm	}
948a272653SPeter Holm	file = argv[1];
95e0fd837aSPeter Holm	if ((fd = open(file, O_RDONLY | O_RESOLVE_BENEATH)) != 0 &&
968a272653SPeter Holm	    errno != ENOTCAPABLE)
978a272653SPeter Holm		err(1, "open(%s)", file);
988a272653SPeter Holm
998a272653SPeter Holm	return (0);
1008a272653SPeter Holm}
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