qemu-e2k/tests/qemu-iotests/210
Kevin Wolf 50880f25c8 qemu-iotests: Test invalid resize on luks
This tests that the .bdrv_truncate implementation for luks doesn't crash
for invalid image sizes.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2018-03-26 12:17:40 +02:00

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#!/bin/bash
#
# Test luks and file image creation
#
# Copyright (C) 2018 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=kwolf@redhat.com
seq=`basename $0`
echo "QA output created by $seq"
here=`pwd`
status=1 # failure is the default!
# get standard environment, filters and checks
. ./common.rc
. ./common.filter
_supported_fmt luks
_supported_proto file
_supported_os Linux
function do_run_qemu()
{
echo Testing: "$@"
$QEMU -nographic -qmp stdio -serial none "$@"
echo
}
function run_qemu()
{
do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qmp \
| _filter_qemu | _filter_imgfmt \
| _filter_actual_image_size
}
echo
echo "=== Successful image creation (defaults) ==="
echo
size=$((128 * 1024 * 1024))
run_qemu -object secret,id=keysec0,data="foo" <<EOF
{ "execute": "qmp_capabilities" }
{ "execute": "x-blockdev-create",
"arguments": {
"driver": "file",
"filename": "$TEST_IMG_FILE",
"size": 0
}
}
{ "execute": "blockdev-add",
"arguments": {
"driver": "file",
"node-name": "imgfile",
"filename": "$TEST_IMG_FILE"
}
}
{ "execute": "x-blockdev-create",
"arguments": {
"driver": "$IMGFMT",
"file": "imgfile",
"key-secret": "keysec0",
"size": $size,
"iter-time": 10
}
}
{ "execute": "quit" }
EOF
_img_info --format-specific | _filter_img_info --format-specific
echo
echo "=== Successful image creation (with non-default options) ==="
echo
# Choose a different size to show that we got a new image
size=$((64 * 1024 * 1024))
run_qemu -object secret,id=keysec0,data="foo" <<EOF
{ "execute": "qmp_capabilities" }
{ "execute": "x-blockdev-create",
"arguments": {
"driver": "file",
"filename": "$TEST_IMG_FILE",
"size": 0
}
}
{ "execute": "x-blockdev-create",
"arguments": {
"driver": "$IMGFMT",
"file": {
"driver": "file",
"filename": "$TEST_IMG_FILE"
},
"size": $size,
"key-secret": "keysec0",
"cipher-alg": "twofish-128",
"cipher-mode": "ctr",
"ivgen-alg": "plain64",
"ivgen-hash-alg": "md5",
"hash-alg": "sha1",
"iter-time": 10
}
}
{ "execute": "quit" }
EOF
_img_info --format-specific | _filter_img_info --format-specific
echo
echo "=== Invalid BlockdevRef ==="
echo
run_qemu <<EOF
{ "execute": "qmp_capabilities" }
{ "execute": "x-blockdev-create",
"arguments": {
"driver": "$IMGFMT",
"file": "this doesn't exist",
"size": $size
}
}
{ "execute": "quit" }
EOF
echo
echo "=== Zero size ==="
echo
run_qemu -blockdev driver=file,filename="$TEST_IMG_FILE",node-name=node0 \
-object secret,id=keysec0,data="foo" <<EOF
{ "execute": "qmp_capabilities" }
{ "execute": "x-blockdev-create",
"arguments": {
"driver": "$IMGFMT",
"file": "node0",
"key-secret": "keysec0",
"size": 0,
"iter-time": 10
}
}
{ "execute": "quit" }
EOF
_img_info | _filter_img_info
echo
echo "=== Invalid sizes ==="
echo
# TODO Negative image sizes aren't handled correctly, but this is a problem
# with QAPI's implementation of the 'size' type and affects other commands as
# well. Once this is fixed, we may want to add a test case here.
# 1. 2^64 - 512
# 2. 2^63 = 8 EB (qemu-img enforces image sizes less than this)
# 3. 2^63 - 512 (generally valid, but with the crypto header the file will
# exceed 63 bits)
run_qemu -blockdev driver=file,filename="$TEST_IMG_FILE",node-name=node0 \
-object secret,id=keysec0,data="foo" <<EOF
{ "execute": "qmp_capabilities" }
{ "execute": "x-blockdev-create",
"arguments": {
"driver": "$IMGFMT",
"file": "node0",
"key-secret": "keysec0",
"size": 18446744073709551104
}
}
{ "execute": "x-blockdev-create",
"arguments": {
"driver": "$IMGFMT",
"file": "node0",
"key-secret": "keysec0",
"size": 9223372036854775808
}
}
{ "execute": "x-blockdev-create",
"arguments": {
"driver": "$IMGFMT",
"file": "node0",
"key-secret": "keysec0",
"size": 9223372036854775296
}
}
{ "execute": "quit" }
EOF
echo
echo "=== Resize image with invalid sizes ==="
echo
run_qemu -blockdev driver=file,filename="$TEST_IMG_FILE",node-name=node0 \
-blockdev driver=luks,file=node0,key-secret=keysec0,node-name=node1 \
-object secret,id=keysec0,data="foo" <<EOF
{ "execute": "qmp_capabilities" }
{ "execute": "block_resize",
"arguments": {
"node-name": "node1",
"size": 9223372036854775296
}
}
{ "execute": "block_resize",
"arguments": {
"node-name": "node1",
"size": 9223372036854775808
}
}
{ "execute": "block_resize",
"arguments": {
"node-name": "node1",
"size": 18446744073709551104
}
}
{ "execute": "block_resize",
"arguments": {
"node-name": "node1",
"size": -9223372036854775808
}
}
{ "execute": "quit" }
EOF
_img_info | _filter_img_info
# success, all done
echo "*** done"
rm -f $seq.full
status=0