xref: /openbmc/qemu/tests/qemu-iotests/114 (revision b097ba37)
1#!/usr/bin/env bash
2#
3# Test invalid backing file format in qcow2 images
4#
5# Copyright (C) 2014 Red Hat, Inc.
6#
7# This program is free software; you can redistribute it and/or modify
8# it under the terms of the GNU General Public License as published by
9# the Free Software Foundation; either version 2 of the License, or
10# (at your option) any later version.
11#
12# This program is distributed in the hope that it will be useful,
13# but WITHOUT ANY WARRANTY; without even the implied warranty of
14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15# GNU General Public License for more details.
16#
17# You should have received a copy of the GNU General Public License
18# along with this program.  If not, see <http://www.gnu.org/licenses/>.
19#
20
21# creator
22owner=kwolf@redhat.com
23
24seq="$(basename $0)"
25echo "QA output created by $seq"
26
27status=1	# failure is the default!
28
29_cleanup()
30{
31	_cleanup_test_img
32}
33trap "_cleanup; exit \$status" 0 1 2 3 15
34
35# get standard environment, filters and checks
36. ./common.rc
37. ./common.filter
38
39_supported_fmt qcow2
40_supported_proto generic
41_unsupported_proto vxhs
42_supported_os Linux
43
44
45TEST_IMG="$TEST_IMG.base" _make_test_img 64M
46_make_test_img -b "$TEST_IMG.base" 64M
47
48# Set an invalid backing file format
49$PYTHON qcow2.py "$TEST_IMG" add-header-ext 0xE2792ACA "foo"
50_img_info
51
52# Try opening the image. Should fail (and not probe) in the first case, but
53# overriding the backing file format should be possible.
54$QEMU_IO -c "open $TEST_IMG" -c "read 0 4k" 2>&1 | _filter_qemu_io | _filter_testdir
55$QEMU_IO -c "open -o backing.driver=$IMGFMT $TEST_IMG" -c "read 0 4k" | _filter_qemu_io
56
57# success, all done
58echo '*** done'
59rm -f $seq.full
60status=0
61