xref: /freebsd/tools/test/stress2/misc/gpt.sh (revision d7d962ead0b6e5e8a39202d0590022082bf5bfb6)
1#!/bin/sh
2
3#
4# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
5#
6# Copyright (c) 2019 Dell EMC Isilon
7#
8# Redistribution and use in source and binary forms, with or without
9# modification, are permitted provided that the following conditions
10# are met:
11# 1. Redistributions of source code must retain the above copyright
12#    notice, this list of conditions and the following disclaimer.
13# 2. Redistributions in binary form must reproduce the above copyright
14#    notice, this list of conditions and the following disclaimer in the
15#    documentation and/or other materials provided with the distribution.
16#
17# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27# SUCH DAMAGE.
28#
29
30# Bug 237269 - panic in glabel (g_label_destroy) stop after resizing GPT
31# partition.
32# "panic: vm_fault_hold: fault on nofault entry, addr: 0 from
33# g_slice_spoiled+0x7"
34# Test scenario by andrew@tao11.riddles.org.uk
35
36[ `id -u` -ne 0 ] && echo "Must be root!" && exit 1
37md_unit=$(mdconfig -t swap -s 30MB)
38geom part create -s GPT "$md_unit"
39geom part add -s 10M -t linux-swap -l tst0 "$md_unit"
40geom part resize -i 1 -s 20M "$md_unit"
41
42# at this point "glabel status" shows two gpt/tst0 entries,
43# one of which has no consumer; trying to correct this causes
44# a panic:
45
46glabel stop gpt/tst0
47glabel stop gpt/tst0  # BOOM
48
49mdconfig -d -u $md_unit
50
51exit 0
52