mirror of
https://github.com/qemu/qemu.git
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339f06a3bc
The previous commit removed the last usage of ${tmp} inside the tests
themselves; the only remaining users are sourced by check. So we can now
drop this variable from the tests.
Signed-off-by: Sascha Silbe <silbe@linux.vnet.ibm.com>
Reviewed-by: Bo Tu <tubo@linux.vnet.ibm.com>
Message-id: 1460472980-26319-4-git-send-email-silbe@linux.vnet.ibm.com
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
184 lines
7.0 KiB
Bash
Executable File
184 lines
7.0 KiB
Bash
Executable File
#!/bin/bash
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#
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# qcow2 format input validation tests
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#
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# Copyright (C) 2013 Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# creator
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owner=kwolf@redhat.com
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seq=`basename $0`
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echo "QA output created by $seq"
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here=`pwd`
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status=1 # failure is the default!
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_cleanup()
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{
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rm -f $TEST_IMG.snap
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_cleanup_test_img
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}
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trap "_cleanup; exit \$status" 0 1 2 3 15
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# get standard environment, filters and checks
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. ./common.rc
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. ./common.filter
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_supported_fmt qcow2
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_supported_proto file
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_supported_os Linux
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# Internal snapshots are (currently) impossible with refcount_bits=1
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_unsupported_imgopts 'refcount_bits=1[^0-9]'
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header_size=104
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offset_backing_file_offset=8
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offset_backing_file_size=16
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offset_l1_size=36
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offset_l1_table_offset=40
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offset_refcount_table_offset=48
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offset_refcount_table_clusters=56
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offset_nb_snapshots=60
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offset_snapshots_offset=64
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offset_header_size=100
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offset_ext_magic=$header_size
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offset_ext_size=$((header_size + 4))
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offset_l2_table_0=$((0x40000))
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offset_snap1=$((0x70000))
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offset_snap1_l1_offset=$((offset_snap1 + 0))
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offset_snap1_l1_size=$((offset_snap1 + 8))
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echo
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echo "== Huge header size =="
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_make_test_img 64M
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poke_file "$TEST_IMG" "$offset_header_size" "\xff\xff\xff\xff"
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{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
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poke_file "$TEST_IMG" "$offset_header_size" "\x7f\xff\xff\xff"
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{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
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echo
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echo "== Huge unknown header extension =="
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_make_test_img 64M
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poke_file "$TEST_IMG" "$offset_backing_file_offset" "\xff\xff\xff\xff\xff\xff\xff\xff"
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poke_file "$TEST_IMG" "$offset_ext_magic" "\x12\x34\x56\x78"
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poke_file "$TEST_IMG" "$offset_ext_size" "\x7f\xff\xff\xff"
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{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
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poke_file "$TEST_IMG" "$offset_backing_file_offset" "\x00\x00\x00\x00\x00\x00\x00\x$(printf %x $offset_ext_size)"
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{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
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poke_file "$TEST_IMG" "$offset_backing_file_offset" "\x00\x00\x00\x00\x00\x00\x00\x00"
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{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
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echo
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echo "== Huge refcount table size =="
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_make_test_img 64M
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poke_file "$TEST_IMG" "$offset_refcount_table_clusters" "\xff\xff\xff\xff"
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{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
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poke_file "$TEST_IMG" "$offset_refcount_table_clusters" "\x00\x02\x00\x01"
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{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
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echo
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echo "== Misaligned refcount table =="
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_make_test_img 64M
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poke_file "$TEST_IMG" "$offset_refcount_table_offset" "\x12\x34\x56\x78\x90\xab\xcd\xef"
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{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
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echo
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echo "== Huge refcount offset =="
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_make_test_img 64M
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poke_file "$TEST_IMG" "$offset_refcount_table_offset" "\xff\xff\xff\xff\xff\xff\x00\x00"
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poke_file "$TEST_IMG" "$offset_refcount_table_clusters" "\x00\x00\x00\x7f"
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{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
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echo
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echo "== Invalid snapshot table =="
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_make_test_img 64M
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poke_file "$TEST_IMG" "$offset_nb_snapshots" "\xff\xff\xff\xff"
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{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
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poke_file "$TEST_IMG" "$offset_nb_snapshots" "\x7f\xff\xff\xff"
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{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
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poke_file "$TEST_IMG" "$offset_snapshots_offset" "\xff\xff\xff\xff\xff\xff\x00\x00"
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poke_file "$TEST_IMG" "$offset_nb_snapshots" "\x00\x00\xff\xff"
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{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
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poke_file "$TEST_IMG" "$offset_snapshots_offset" "\x12\x34\x56\x78\x90\xab\xcd\xef"
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poke_file "$TEST_IMG" "$offset_nb_snapshots" "\x00\x00\x00\x00"
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{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
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echo
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echo "== Hitting snapshot table size limit =="
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_make_test_img 64M
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# Put the refcount table in a more or less safe place (16 MB)
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poke_file "$TEST_IMG" "$offset_snapshots_offset" "\x00\x00\x00\x00\x01\x00\x00\x00"
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poke_file "$TEST_IMG" "$offset_nb_snapshots" "\x00\x01\x00\x00"
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{ $QEMU_IMG snapshot -c test $TEST_IMG; } 2>&1 | _filter_testdir
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{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
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echo
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echo "== Invalid L1 table =="
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_make_test_img 64M
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poke_file "$TEST_IMG" "$offset_l1_size" "\xff\xff\xff\xff"
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{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
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poke_file "$TEST_IMG" "$offset_l1_size" "\x7f\xff\xff\xff"
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{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
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poke_file "$TEST_IMG" "$offset_l1_table_offset" "\x7f\xff\xff\xff\xff\xff\x00\x00"
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poke_file "$TEST_IMG" "$offset_l1_size" "\x00\x00\xff\xff"
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{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
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poke_file "$TEST_IMG" "$offset_l1_table_offset" "\x12\x34\x56\x78\x90\xab\xcd\xef"
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poke_file "$TEST_IMG" "$offset_l1_size" "\x00\x00\x00\x01"
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{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
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echo
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echo "== Invalid L1 table (with internal snapshot in the image) =="
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_make_test_img 64M
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{ $QEMU_IMG snapshot -c foo $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
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poke_file "$TEST_IMG" "$offset_l1_size" "\x00\x00\x00\x00"
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_img_info
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echo
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echo "== Invalid backing file size =="
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_make_test_img 64M
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poke_file "$TEST_IMG" "$offset_backing_file_offset" "\x00\x00\x00\x00\x00\x00\x10\x00"
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poke_file "$TEST_IMG" "$offset_backing_file_size" "\xff\xff\xff\xff"
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{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
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echo
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echo "== Invalid L2 entry (huge physical offset) =="
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_make_test_img 64M
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{ $QEMU_IO -c "write 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
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poke_file "$TEST_IMG" "$offset_l2_table_0" "\xbf\xff\xff\xff\xff\xff\x00\x00"
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{ $QEMU_IMG snapshot -c test $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
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poke_file "$TEST_IMG" "$offset_l2_table_0" "\x80\x00\x00\xff\xff\xff\x00\x00"
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{ $QEMU_IMG snapshot -c test $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
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echo
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echo "== Invalid snapshot L1 table =="
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_make_test_img 64M
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{ $QEMU_IO -c "write 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
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{ $QEMU_IMG snapshot -c test $TEST_IMG; } 2>&1 | _filter_testdir
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poke_file "$TEST_IMG" "$offset_snap1_l1_size" "\x10\x00\x00\x00"
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{ $QEMU_IMG convert -s test $TEST_IMG $TEST_IMG.snap; } 2>&1 | _filter_testdir
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# success, all done
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echo "*** done"
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rm -f $seq.full
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status=0
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