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` 28status=1 # failure is the default! 29 30_cleanup() 31{ 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 raw qcow qcow2 qed vdi vmdk vhdx 41_supported_proto generic 42_supported_os Linux 43 44 45size=128M 46pre_offset=127M 47past_offset=140M 48 49_make_test_img $size 50 51echo 52echo "write before image boundary" 53$QEMU_IO -c "write $pre_offset 1M" "$TEST_IMG" | _filter_qemu_io 54 55echo 56echo "write into image boundary" 57$QEMU_IO -c "write $pre_offset 4M" "$TEST_IMG" 58 59echo 60echo "write at image boundary" 61$QEMU_IO -c "write $size 4096" "$TEST_IMG" 62 63echo 64echo "write past image boundary" 65$QEMU_IO -c "write $past_offset 4096" "$TEST_IMG" 66 67echo 68echo "pwrite past image boundary" 69$QEMU_IO -c "write -p $past_offset 4096" "$TEST_IMG" 70 71echo 72echo "writev past image boundary" 73$QEMU_IO -c "writev $past_offset 4096" "$TEST_IMG" 74 75echo 76echo "read before image boundary" 77$QEMU_IO -c "read $pre_offset 1M" "$TEST_IMG" | _filter_qemu_io 78 79echo 80echo "read into image boundary" 81$QEMU_IO -c "read $pre_offset 4M" "$TEST_IMG" 82 83echo 84echo "read at image boundary" 85$QEMU_IO -c "read $size 4096" "$TEST_IMG" 86 87echo 88echo "read past image boundary" 89$QEMU_IO -c "read $past_offset 4096" "$TEST_IMG" 90 91echo 92echo "pread past image boundary" 93$QEMU_IO -c "read -p $past_offset 4096" "$TEST_IMG" 94 95echo 96echo "readv past image boundary" 97$QEMU_IO -c "readv $past_offset 4096" "$TEST_IMG" 98 99 100# success, all done 101echo "*** done" 102rm -f $seq.full 103status=0 104