mirror of
https://github.com/qemu/qemu.git
synced 2024-11-24 19:33:39 +08:00
42a5009d88
Quite a few of these tests have stale contact information. This patch updates the stale ones that I happen to be aware of at the moment. Signed-off-by: John Snow <jsnow@redhat.com> Message-Id: <20220322174212.1169630-1-jsnow@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Hanna Reitz <hreitz@redhat.com>
110 lines
3.4 KiB
Bash
Executable File
110 lines
3.4 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
# group: rw auto quick
|
|
#
|
|
# General test case for qcow2's image check
|
|
#
|
|
# Copyright (C) 2015 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=hreitz@redhat.com
|
|
|
|
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
|
|
|
|
# This tests qcow2-specific low-level functionality
|
|
_supported_fmt qcow2
|
|
_supported_proto file fuse
|
|
_supported_os Linux
|
|
# With an external data file, data clusters are not refcounted
|
|
# (so qemu-img check would not do much);
|
|
# we want to modify the refcounts, so we need them to have a specific
|
|
# format (namely u16)
|
|
_unsupported_imgopts data_file 'refcount_bits=\([^1]\|.\([^6]\|$\)\)'
|
|
|
|
echo
|
|
echo '=== Check on an image with a multiple of 2^32 clusters ==='
|
|
echo
|
|
|
|
_make_test_img -o "cluster_size=512" 512
|
|
|
|
# Allocate L2 table
|
|
$QEMU_IO -c 'write 0 512' "$TEST_IMG" | _filter_qemu_io
|
|
|
|
# Put the data cluster at a multiple of 2 TB, resulting in the image apparently
|
|
# having a multiple of 2^32 clusters
|
|
# (To be more specific: It is at 32 PB)
|
|
poke_file "$TEST_IMG" $((2048 + 8)) "\x00\x80\x00\x00\x00\x00\x00\x00"
|
|
|
|
# An offset of 32 PB results in qemu-img check having to allocate an in-memory
|
|
# refcount table of 128 TB (16 bit refcounts, 512 byte clusters), if qemu-img
|
|
# don't check that referenced data cluster is far beyond the end of file.
|
|
# But starting from 4.0, qemu-img does this check, and instead of "Cannot
|
|
# allocate memory", we have an error showing that l2 entry is invalid.
|
|
_check_test_img
|
|
|
|
echo
|
|
echo '=== Check leaks-fixed/corruptions-fixed report'
|
|
echo
|
|
|
|
# After leaks and corruptions were fixed, those numbers should be
|
|
# reported by qemu-img check
|
|
_make_test_img 64k
|
|
|
|
# Allocate data cluster
|
|
$QEMU_IO -c 'write 0 64k' "$TEST_IMG" | _filter_qemu_io
|
|
|
|
reftable_ofs=$(peek_file_be "$TEST_IMG" 48 8)
|
|
refblock_ofs=$(peek_file_be "$TEST_IMG" $reftable_ofs 8)
|
|
|
|
# Introduce a leak: Make the image header's refcount 2
|
|
poke_file_be "$TEST_IMG" "$refblock_ofs" 2 2
|
|
|
|
l1_ofs=$(peek_file_be "$TEST_IMG" 40 8)
|
|
|
|
# Introduce a corruption: Drop the COPIED flag from the (first) L1 entry
|
|
l1_entry=$(peek_file_be "$TEST_IMG" $l1_ofs 8)
|
|
l1_entry=$((l1_entry & ~(1 << 63)))
|
|
poke_file_be "$TEST_IMG" $l1_ofs 8 $l1_entry
|
|
|
|
echo
|
|
# Should print the number of corruptions and leaks fixed
|
|
# (Filter out all JSON fields (recognizable by their four-space
|
|
# indentation), but keep the "-fixed" fields (by removing two spaces
|
|
# from their indentation))
|
|
# (Also filter out the L1 entry, because why not)
|
|
_check_test_img -r all --output=json \
|
|
| sed -e 's/^ \(.*\)-fixed"/\1-fixed"/' \
|
|
-e '/^ /d' \
|
|
-e "s/\\([^0-9a-f]\\)$(printf %x $l1_entry)\\([^0-9a-f]\\)/\1L1_ENTRY_VALUE\2/"
|
|
|
|
# success, all done
|
|
echo "*** done"
|
|
rm -f $seq.full
|
|
status=0
|