#!/bin/bash # # Make sure we can't read and write outside of the image size. # # Copyright (C) 2009 Red Hat, Inc. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. # # creator owner=hch@lst.de seq=`basename $0` echo "QA output created by $seq" here=`pwd` tmp=/tmp/$$ status=1 # failure is the default! _cleanup() { _cleanup_test_img } trap "_cleanup; exit \$status" 0 1 2 3 15 # get standard environment, filters and checks . ./common.rc . ./common.filter _supported_fmt generic _supported_proto generic _supported_os Linux size=128M pre_offset=127M past_offset=140M _make_test_img $size echo echo "write before image boundary" $QEMU_IO -c "write $pre_offset 1M" $TEST_IMG | _filter_qemu_io echo echo "write into image boundary" $QEMU_IO -c "write $pre_offset 4M" $TEST_IMG echo echo "write at image boundary" $QEMU_IO -c "write $size 4096" $TEST_IMG echo echo "write past image boundary" $QEMU_IO -c "write $past_offset 4096" $TEST_IMG echo echo "pwrite past image boundary" $QEMU_IO -c "write -p $past_offset 4096" $TEST_IMG echo echo "writev past image boundary" $QEMU_IO -c "writev $past_offset 4096" $TEST_IMG echo echo "read before image boundary" $QEMU_IO -c "read $pre_offset 1M" $TEST_IMG | _filter_qemu_io echo echo "read into image boundary" $QEMU_IO -c "read $pre_offset 4M" $TEST_IMG echo echo "read at image boundary" $QEMU_IO -c "read $size 4096" $TEST_IMG echo echo "read past image boundary" $QEMU_IO -c "read $past_offset 4096" $TEST_IMG echo echo "pread past image boundary" $QEMU_IO -c "read -p $past_offset 4096" $TEST_IMG echo echo "readv past image boundary" $QEMU_IO -c "readv $past_offset 4096" $TEST_IMG # success, all done echo "*** done" rm -f $seq.full status=0