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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2018 Oracle, Inc. All rights reserved.
#
# FS QA Test No. 455
#
# Populate a XFS filesystem and fuzz every AGFL field.
# Do not fix the filesystem, to test metadata verifiers.
. ./common/preamble
_begin_fstest dangerous_fuzzers dangerous_norepair
_register_cleanup "_cleanup" BUS
# Import common functions.
. ./common/filter
. ./common/populate
. ./common/fuzzy
# real QA test starts here
_supported_fs xfs
_require_scratch_xfs_fuzz_fields
_disable_dmesg_check
echo "Format and populate"
_scratch_populate_cached nofill > $seqres.full 2>&1
echo "Fuzz AGFL"
_scratch_xfs_fuzz_metadata '' 'none' 'agfl 0' >> $seqres.full
echo "Done fuzzing AGFL"
# Restore a correct copy of the filesystem before we start the second round of
# fuzzing. This avoids corruption errors from xfs_db when we probe for flfirst
# in the AGF and later when _scratch_xfs_fuzz_metadata probes the AGFL fields.
__scratch_xfs_fuzz_mdrestore
flfirst=$(_scratch_xfs_db -c 'agf 0' -c 'p flfirst' | sed -e 's/flfirst = //g')
echo "Fuzz AGFL flfirst"
SCRATCH_XFS_LIST_METADATA_FIELDS="bno[${flfirst}]" _scratch_xfs_fuzz_metadata '' 'none' 'agfl 0' >> $seqres.full
echo "Done fuzzing AGFL flfirst"
# success, all done
status=0
exit
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