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 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_supported_os Linux 42 43 44size=128M 45pre_offset=127M 46past_offset=140M 47 48_make_test_img $size 49 50echo 51echo "write before image boundary" 52$QEMU_IO -c "write $pre_offset 1M" "$TEST_IMG" | _filter_qemu_io 53 54echo 55echo "write into image boundary" 56$QEMU_IO -c "write $pre_offset 4M" "$TEST_IMG" 57 58echo 59echo "write at image boundary" 60$QEMU_IO -c "write $size 4096" "$TEST_IMG" 61 62echo 63echo "write past image boundary" 64$QEMU_IO -c "write $past_offset 4096" "$TEST_IMG" 65 66echo 67echo "pwrite past image boundary" 68$QEMU_IO -c "write -p $past_offset 4096" "$TEST_IMG" 69 70echo 71echo "writev past image boundary" 72$QEMU_IO -c "writev $past_offset 4096" "$TEST_IMG" 73 74echo 75echo "read before image boundary" 76$QEMU_IO -c "read $pre_offset 1M" "$TEST_IMG" | _filter_qemu_io 77 78echo 79echo "read into image boundary" 80$QEMU_IO -c "read $pre_offset 4M" "$TEST_IMG" 81 82echo 83echo "read at image boundary" 84$QEMU_IO -c "read $size 4096" "$TEST_IMG" 85 86echo 87echo "read past image boundary" 88$QEMU_IO -c "read $past_offset 4096" "$TEST_IMG" 89 90echo 91echo "pread past image boundary" 92$QEMU_IO -c "read -p $past_offset 4096" "$TEST_IMG" 93 94echo 95echo "readv past image boundary" 96$QEMU_IO -c "readv $past_offset 4096" "$TEST_IMG" 97 98 99# success, all done 100echo "*** done" 101rm -f $seq.full 102status=0 103