124342f2cSKevin Wolf#!/bin/bash 224342f2cSKevin Wolf# 324342f2cSKevin Wolf# qcow2 format input validation tests 424342f2cSKevin Wolf# 524342f2cSKevin Wolf# Copyright (C) 2013 Red Hat, Inc. 624342f2cSKevin Wolf# 724342f2cSKevin Wolf# This program is free software; you can redistribute it and/or modify 824342f2cSKevin Wolf# it under the terms of the GNU General Public License as published by 924342f2cSKevin Wolf# the Free Software Foundation; either version 2 of the License, or 1024342f2cSKevin Wolf# (at your option) any later version. 1124342f2cSKevin Wolf# 1224342f2cSKevin Wolf# This program is distributed in the hope that it will be useful, 1324342f2cSKevin Wolf# but WITHOUT ANY WARRANTY; without even the implied warranty of 1424342f2cSKevin Wolf# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 1524342f2cSKevin Wolf# GNU General Public License for more details. 1624342f2cSKevin Wolf# 1724342f2cSKevin Wolf# You should have received a copy of the GNU General Public License 1824342f2cSKevin Wolf# along with this program. If not, see <http://www.gnu.org/licenses/>. 1924342f2cSKevin Wolf# 2024342f2cSKevin Wolf 2124342f2cSKevin Wolf# creator 2224342f2cSKevin Wolfowner=kwolf@redhat.com 2324342f2cSKevin Wolf 2424342f2cSKevin Wolfseq=`basename $0` 2524342f2cSKevin Wolfecho "QA output created by $seq" 2624342f2cSKevin Wolf 2724342f2cSKevin Wolfhere=`pwd` 2824342f2cSKevin Wolftmp=/tmp/$$ 2924342f2cSKevin Wolfstatus=1 # failure is the default! 3024342f2cSKevin Wolf 3124342f2cSKevin Wolf_cleanup() 3224342f2cSKevin Wolf{ 3324342f2cSKevin Wolf _cleanup_test_img 3424342f2cSKevin Wolf} 3524342f2cSKevin Wolftrap "_cleanup; exit \$status" 0 1 2 3 15 3624342f2cSKevin Wolf 3724342f2cSKevin Wolf# get standard environment, filters and checks 3824342f2cSKevin Wolf. ./common.rc 3924342f2cSKevin Wolf. ./common.filter 4024342f2cSKevin Wolf 4124342f2cSKevin Wolf_supported_fmt qcow2 4224342f2cSKevin Wolf_supported_proto generic 4324342f2cSKevin Wolf_supported_os Linux 4424342f2cSKevin Wolf 4524342f2cSKevin Wolfheader_size=104 46a1b3955cSKevin Wolf 47a1b3955cSKevin Wolfoffset_backing_file_offset=8 488c7de283SKevin Wolfoffset_refcount_table_offset=48 495dab2fadSKevin Wolfoffset_refcount_table_clusters=56 50*ce48f2f4SKevin Wolfoffset_nb_snapshots=60 51*ce48f2f4SKevin Wolfoffset_snapshots_offset=64 5224342f2cSKevin Wolfoffset_header_size=100 5324342f2cSKevin Wolfoffset_ext_magic=$header_size 5424342f2cSKevin Wolfoffset_ext_size=$((header_size + 4)) 5524342f2cSKevin Wolf 5624342f2cSKevin Wolfecho 5724342f2cSKevin Wolfecho "== Huge header size ==" 5824342f2cSKevin Wolf_make_test_img 64M 5924342f2cSKevin Wolfpoke_file "$TEST_IMG" "$offset_header_size" "\xff\xff\xff\xff" 6024342f2cSKevin Wolf{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 6124342f2cSKevin Wolfpoke_file "$TEST_IMG" "$offset_header_size" "\x7f\xff\xff\xff" 6224342f2cSKevin Wolf{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 6324342f2cSKevin Wolf 64a1b3955cSKevin Wolfecho 65a1b3955cSKevin Wolfecho "== Huge unknown header extension ==" 66a1b3955cSKevin Wolf_make_test_img 64M 67a1b3955cSKevin Wolfpoke_file "$TEST_IMG" "$offset_backing_file_offset" "\xff\xff\xff\xff\xff\xff\xff\xff" 68a1b3955cSKevin Wolfpoke_file "$TEST_IMG" "$offset_ext_magic" "\x12\x34\x56\x78" 69a1b3955cSKevin Wolfpoke_file "$TEST_IMG" "$offset_ext_size" "\x7f\xff\xff\xff" 70a1b3955cSKevin Wolf{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 71a1b3955cSKevin Wolfpoke_file "$TEST_IMG" "$offset_backing_file_offset" "\x00\x00\x00\x00\x00\x00\x00\x00" 72a1b3955cSKevin Wolf{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 73a1b3955cSKevin Wolf 745dab2fadSKevin Wolfecho 755dab2fadSKevin Wolfecho "== Huge refcount table size ==" 765dab2fadSKevin Wolf_make_test_img 64M 775dab2fadSKevin Wolfpoke_file "$TEST_IMG" "$offset_refcount_table_clusters" "\xff\xff\xff\xff" 785dab2fadSKevin Wolf{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 795dab2fadSKevin Wolfpoke_file "$TEST_IMG" "$offset_refcount_table_clusters" "\x00\x02\x00\x01" 805dab2fadSKevin Wolf{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 815dab2fadSKevin Wolf 828c7de283SKevin Wolfecho 838c7de283SKevin Wolfecho "== Misaligned refcount table ==" 848c7de283SKevin Wolf_make_test_img 64M 858c7de283SKevin Wolfpoke_file "$TEST_IMG" "$offset_refcount_table_offset" "\x12\x34\x56\x78\x90\xab\xcd\xef" 868c7de283SKevin Wolf{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 878c7de283SKevin Wolf 888c7de283SKevin Wolfecho 898c7de283SKevin Wolfecho "== Huge refcount offset ==" 908c7de283SKevin Wolf_make_test_img 64M 918c7de283SKevin Wolfpoke_file "$TEST_IMG" "$offset_refcount_table_offset" "\xff\xff\xff\xff\xff\xff\x00\x00" 928c7de283SKevin Wolfpoke_file "$TEST_IMG" "$offset_refcount_table_clusters" "\x00\x00\x00\x7f" 938c7de283SKevin Wolf{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 945dab2fadSKevin Wolf 95*ce48f2f4SKevin Wolfecho 96*ce48f2f4SKevin Wolfecho "== Invalid snapshot table ==" 97*ce48f2f4SKevin Wolf_make_test_img 64M 98*ce48f2f4SKevin Wolfpoke_file "$TEST_IMG" "$offset_nb_snapshots" "\xff\xff\xff\xff" 99*ce48f2f4SKevin Wolf{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 100*ce48f2f4SKevin Wolfpoke_file "$TEST_IMG" "$offset_nb_snapshots" "\x7f\xff\xff\xff" 101*ce48f2f4SKevin Wolf{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 102*ce48f2f4SKevin Wolf 103*ce48f2f4SKevin Wolfpoke_file "$TEST_IMG" "$offset_snapshots_offset" "\xff\xff\xff\xff\xff\xff\x00\x00" 104*ce48f2f4SKevin Wolfpoke_file "$TEST_IMG" "$offset_nb_snapshots" "\x00\x00\xff\xff" 105*ce48f2f4SKevin Wolf{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 106*ce48f2f4SKevin Wolf 107*ce48f2f4SKevin Wolfpoke_file "$TEST_IMG" "$offset_snapshots_offset" "\x12\x34\x56\x78\x90\xab\xcd\xef" 108*ce48f2f4SKevin Wolfpoke_file "$TEST_IMG" "$offset_nb_snapshots" "\x00\x00\x00\x00" 109*ce48f2f4SKevin Wolf{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 110*ce48f2f4SKevin Wolf 111*ce48f2f4SKevin Wolfecho 112*ce48f2f4SKevin Wolfecho "== Hitting snapshot table size limit ==" 113*ce48f2f4SKevin Wolf_make_test_img 64M 114*ce48f2f4SKevin Wolf# Put the refcount table in a more or less safe place (16 MB) 115*ce48f2f4SKevin Wolfpoke_file "$TEST_IMG" "$offset_snapshots_offset" "\x00\x00\x00\x00\x01\x00\x00\x00" 116*ce48f2f4SKevin Wolfpoke_file "$TEST_IMG" "$offset_nb_snapshots" "\x00\x01\x00\x00" 117*ce48f2f4SKevin Wolf{ $QEMU_IMG snapshot -c test $TEST_IMG; } 2>&1 | _filter_testdir 118*ce48f2f4SKevin Wolf{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 119*ce48f2f4SKevin Wolf 12024342f2cSKevin Wolf# success, all done 12124342f2cSKevin Wolfecho "*** done" 12224342f2cSKevin Wolfrm -f $seq.full 12324342f2cSKevin Wolfstatus=0 124