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#!/usr/bin/env 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"
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 raw qcow qcow2 qed vdi vmdk vhdx luks
_supported_proto generic
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
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