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