xref: /openbmc/qemu/tests/qemu-iotests/092 (revision ddda3748)
1#!/usr/bin/env bash
2#
3# qcow1 format input validation tests
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 $seq"
26
27status=1	# failure is the default!
28
29_cleanup()
30{
31    _rm_test_img "$TEST_IMG.snap"
32    _cleanup_test_img
33}
34trap "_cleanup; exit \$status" 0 1 2 3 15
35
36# get standard environment, filters and checks
37. ./common.rc
38. ./common.filter
39
40_supported_fmt qcow
41_supported_proto file
42_supported_os Linux
43
44offset_backing_file_offset=8
45offset_backing_file_size=16
46offset_size=24
47offset_cluster_bits=32
48offset_l2_bits=33
49
50echo
51echo "== Invalid cluster size =="
52_make_test_img 64M
53poke_file "$TEST_IMG" "$offset_cluster_bits" "\xff"
54{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
55poke_file "$TEST_IMG" "$offset_cluster_bits" "\x1f"
56{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
57poke_file "$TEST_IMG" "$offset_cluster_bits" "\x08"
58{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
59poke_file "$TEST_IMG" "$offset_cluster_bits" "\x11"
60{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
61
62echo
63echo "== Invalid L2 table size =="
64_make_test_img 64M
65poke_file "$TEST_IMG" "$offset_l2_bits" "\xff"
66{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
67poke_file "$TEST_IMG" "$offset_l2_bits" "\x05"
68{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
69poke_file "$TEST_IMG" "$offset_l2_bits" "\x0e"
70{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
71
72# 1 << 0x1b = 2^31 / L2_CACHE_SIZE
73poke_file "$TEST_IMG" "$offset_l2_bits" "\x1b"
74{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
75
76echo
77echo "== Invalid size =="
78_make_test_img 64M
79poke_file "$TEST_IMG" "$offset_size" "\xee\xee\xee\xee\xee\xee\xee\xee"
80{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
81poke_file "$TEST_IMG" "$offset_size" "\x7f\xff\xff\xff\xff\xff\xff\xff"
82{ $QEMU_IO -c "write 0 64M" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
83
84echo
85echo "== Invalid backing file length =="
86_make_test_img 64M
87poke_file "$TEST_IMG" "$offset_backing_file_offset" "\x00\x00\x00\xff"
88poke_file "$TEST_IMG" "$offset_backing_file_size" "\xff\xff\xff\xff"
89{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
90poke_file "$TEST_IMG" "$offset_backing_file_size" "\x7f\xff\xff\xff"
91{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
92
93# success, all done
94echo "*** done"
95rm -f $seq.full
96status=0
97