xref: /qemu/tests/qemu-iotests/004 (revision abff1abf) 
1#!/usr/bin/env bash
2#
3# Make sure we can't read and write outside of the image size.
4#
5# Copyright (C) 2009 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=hch@lst.de
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 raw qcow qcow2 qed vdi vmdk vhdx luks
40_supported_proto generic
41
42
43size=128M
44pre_offset=127M
45past_offset=140M
46
47_make_test_img $size
48
49echo
50echo "write before image boundary"
51$QEMU_IO -c "write $pre_offset 1M" "$TEST_IMG" | _filter_qemu_io
52
53echo
54echo "write into image boundary"
55$QEMU_IO -c "write $pre_offset 4M" "$TEST_IMG"
56
57echo
58echo "write at image boundary"
59$QEMU_IO -c "write $size 4096" "$TEST_IMG"
60
61echo
62echo "write past image boundary"
63$QEMU_IO -c "write $past_offset 4096" "$TEST_IMG"
64
65echo
66echo "pwrite past image boundary"
67$QEMU_IO -c "write -p $past_offset 4096" "$TEST_IMG"
68
69echo
70echo "writev past image boundary"
71$QEMU_IO -c "writev $past_offset 4096" "$TEST_IMG"
72
73echo
74echo "read before image boundary"
75$QEMU_IO -c "read $pre_offset 1M" "$TEST_IMG" | _filter_qemu_io
76
77echo
78echo "read into image boundary"
79$QEMU_IO -c "read $pre_offset 4M" "$TEST_IMG"
80
81echo
82echo "read at image boundary"
83$QEMU_IO -c "read $size 4096" "$TEST_IMG"
84
85echo
86echo "read past image boundary"
87$QEMU_IO -c "read $past_offset 4096" "$TEST_IMG"
88
89echo
90echo "pread past image boundary"
91$QEMU_IO -c "read -p $past_offset 4096" "$TEST_IMG"
92
93echo
94echo "readv past image boundary"
95$QEMU_IO -c "readv $past_offset 4096" "$TEST_IMG"
96
97
98# success, all done
99echo "*** done"
100rm -f $seq.full
101status=0
102