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