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83 lines
2.6 KiB
Bash
Executable file
83 lines
2.6 KiB
Bash
Executable file
#!/bin/sh
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#
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# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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#
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# Copyright (c) 2021 Peter Holm <pho@FreeBSD.org>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# Test scenario input by: "Patrick Sullivan" sulli00777@gmail.com
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# Bug 253593
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# "panic: ldvp 0xffff... fl 0x1 dvp 0xffff... fl 0 flags 0x34048144" seen.
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# https://people.freebsd.org/~pho/stress/log/log0087.txt
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[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
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. ../default.cfg
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mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint
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mdconfig -l | grep -q md$mdstart && mdconfig -d -u $mdstart
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odir=`pwd`
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cd /tmp
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sed '1,/^EOF/d' < $odir/$0 > chroot.c
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rm -f /tmp/chroot
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mycc -o chroot -Wall -Wextra -O0 -g chroot.c -static || exit 1
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rm -f chroot.c
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mdconfig -a -t swap -s 10m -u $mdstart || exit 1
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newfs -n $newfs_flags md$mdstart > /dev/null
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mount /dev/md$mdstart $mntpoint
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mkdir -p $mntpoint/root/dir $mntpoint/jail $mntpoint/dev
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mount -t nullfs $mntpoint/root $mntpoint/jail
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mount -t devfs null $mntpoint/dev
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mv /tmp/chroot $mntpoint/root
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chroot $mntpoint/jail ./chroot &
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sleep .5
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mv $mntpoint/root/dir $mntpoint
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wait
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umount $mntpoint/dev
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umount $mntpoint/jail
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while mount | grep "on $mntpoint " | grep -q /dev/md; do
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umount $mntpoint || sleep 1
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done
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mdconfig -d -u $mdstart
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exit
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EOF
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#include <sys/types.h>
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#include <err.h>
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#include <stdio.h>
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#include <unistd.h>
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int
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main(void)
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{
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if (chdir("dir") == -1)
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err(1, "chdir() #1");
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sleep(2);
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fprintf(stderr, "cwd is %s\n", getwd(NULL));
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}
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