xref: /qemu/tests/qemu-iotests/004 (revision bfa3ab61) 
1#!/bin/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
27here=`pwd`
28tmp=/tmp/$$
29status=1	# failure is the default!
30
31_cleanup()
32{
33	_cleanup_test_img
34}
35trap "_cleanup; exit \$status" 0 1 2 3 15
36
37# get standard environment, filters and checks
38. ./common.rc
39. ./common.filter
40
41_supported_fmt raw qcow qcow2 qed vdi vmdk vhdx
42_supported_proto generic
43_supported_os Linux
44
45
46size=128M
47pre_offset=127M
48past_offset=140M
49
50_make_test_img $size
51
52echo
53echo "write before image boundary"
54$QEMU_IO -c "write $pre_offset 1M" "$TEST_IMG" | _filter_qemu_io
55
56echo
57echo "write into image boundary"
58$QEMU_IO -c "write $pre_offset 4M" "$TEST_IMG"
59
60echo
61echo "write at image boundary"
62$QEMU_IO -c "write $size 4096" "$TEST_IMG"
63
64echo
65echo "write past image boundary"
66$QEMU_IO -c "write $past_offset 4096" "$TEST_IMG"
67
68echo
69echo "pwrite past image boundary"
70$QEMU_IO -c "write -p $past_offset 4096" "$TEST_IMG"
71
72echo
73echo "writev past image boundary"
74$QEMU_IO -c "writev $past_offset 4096" "$TEST_IMG"
75
76echo
77echo "read before image boundary"
78$QEMU_IO -c "read $pre_offset 1M" "$TEST_IMG" | _filter_qemu_io
79
80echo
81echo "read into image boundary"
82$QEMU_IO -c "read $pre_offset 4M" "$TEST_IMG"
83
84echo
85echo "read at image boundary"
86$QEMU_IO -c "read $size 4096" "$TEST_IMG"
87
88echo
89echo "read past image boundary"
90$QEMU_IO -c "read $past_offset 4096" "$TEST_IMG"
91
92echo
93echo "pread past image boundary"
94$QEMU_IO -c "read -p $past_offset 4096" "$TEST_IMG"
95
96echo
97echo "readv past image boundary"
98$QEMU_IO -c "readv $past_offset 4096" "$TEST_IMG"
99
100
101# success, all done
102echo "*** done"
103rm -f $seq.full
104status=0
105