1184581faSAlberto Garcia#!/usr/bin/env bash 2*9dd003a9SVladimir Sementsov-Ogievskiy# group: rw quick 3184581faSAlberto Garcia# 4184581faSAlberto Garcia# Test the handling of errors in write requests with multiple allocations 5184581faSAlberto Garcia# 6184581faSAlberto Garcia# Copyright (C) 2020 Igalia, S.L. 7184581faSAlberto Garcia# Author: Alberto Garcia <berto@igalia.com> 8184581faSAlberto Garcia# 9184581faSAlberto Garcia# This program is free software; you can redistribute it and/or modify 10184581faSAlberto Garcia# it under the terms of the GNU General Public License as published by 11184581faSAlberto Garcia# the Free Software Foundation; either version 2 of the License, or 12184581faSAlberto Garcia# (at your option) any later version. 13184581faSAlberto Garcia# 14184581faSAlberto Garcia# This program is distributed in the hope that it will be useful, 15184581faSAlberto Garcia# but WITHOUT ANY WARRANTY; without even the implied warranty of 16184581faSAlberto Garcia# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17184581faSAlberto Garcia# GNU General Public License for more details. 18184581faSAlberto Garcia# 19184581faSAlberto Garcia# You should have received a copy of the GNU General Public License 20184581faSAlberto Garcia# along with this program. If not, see <http://www.gnu.org/licenses/>. 21184581faSAlberto Garcia# 22184581faSAlberto Garcia 23184581faSAlberto Garcia# creator 24184581faSAlberto Garciaowner=berto@igalia.com 25184581faSAlberto Garcia 26184581faSAlberto Garciaseq=`basename $0` 27184581faSAlberto Garciaecho "QA output created by $seq" 28184581faSAlberto Garcia 29184581faSAlberto Garciastatus=1 # failure is the default! 30184581faSAlberto Garcia 31184581faSAlberto Garcia_cleanup() 32184581faSAlberto Garcia{ 33184581faSAlberto Garcia _cleanup_test_img 34184581faSAlberto Garcia} 35184581faSAlberto Garciatrap "_cleanup; exit \$status" 0 1 2 3 15 36184581faSAlberto Garcia 37184581faSAlberto Garcia# get standard environment, filters and checks 38184581faSAlberto Garcia. ./common.rc 39184581faSAlberto Garcia. ./common.filter 40184581faSAlberto Garcia 41184581faSAlberto Garcia_supported_fmt qcow2 4257284d2aSMax Reitz_supported_proto file fuse 43184581faSAlberto Garcia_supported_os Linux 44184581faSAlberto Garcia_unsupported_imgopts cluster_size refcount_bits extended_l2 compat=0.10 data_file 45184581faSAlberto Garcia 46184581faSAlberto Garciaecho '### Create the image' 47184581faSAlberto Garcia_make_test_img -o refcount_bits=64,cluster_size=1k 1M 48184581faSAlberto Garcia 49184581faSAlberto Garcia# The reference counts of the clusters for the first 123k of this 50184581faSAlberto Garcia# write request are stored in the first refcount block. The last 51184581faSAlberto Garcia# cluster (guest offset 123k) is referenced in the second refcount 52184581faSAlberto Garcia# block. 53184581faSAlberto Garciaecho '### Fill the first refcount block and one data cluster from the second' 54184581faSAlberto Garcia$QEMU_IO -c 'write 0 124k' "$TEST_IMG" | _filter_qemu_io 55184581faSAlberto Garcia 56184581faSAlberto Garciaecho '### Discard two of the last data clusters, leave one in the middle' 57184581faSAlberto Garcia$QEMU_IO -c 'discard 121k 1k' "$TEST_IMG" | _filter_qemu_io 58184581faSAlberto Garcia$QEMU_IO -c 'discard 123k 1k' "$TEST_IMG" | _filter_qemu_io 59184581faSAlberto Garcia 60184581faSAlberto Garciaecho '### Corrupt the offset of the second refcount block' 61184581faSAlberto Garciarefcount_table_offset=$(peek_file_be "$TEST_IMG" 48 8) 62184581faSAlberto Garciapoke_file "$TEST_IMG" $(($refcount_table_offset+14)) "\x06" 63184581faSAlberto Garcia 64184581faSAlberto Garcia# This tries to allocate the two clusters discarded earlier (guest 65184581faSAlberto Garcia# offsets 121k and 123k). Their reference counts are in the first and 66184581faSAlberto Garcia# second refcount blocks respectively, but only the first one can be 67184581faSAlberto Garcia# allocated correctly because the second entry of the refcount table 68184581faSAlberto Garcia# is corrupted. 69184581faSAlberto Garciaecho '### Try to allocate the discarded clusters again' 70184581faSAlberto Garcia$QEMU_IO -c 'write 121k 3k' "$TEST_IMG" | _filter_qemu_io 71184581faSAlberto Garcia 72184581faSAlberto Garcia# success, all done 73184581faSAlberto Garciaecho "*** done" 74184581faSAlberto Garciarm -f $seq.full 75184581faSAlberto Garciastatus=0 76