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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2018 Oracle, Inc. All rights reserved.
#
# FS QA Test No. 468
#
# Populate a XFS filesystem and fuzz every bmbt block 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 > $seqres.full 2>&1
echo "Find bmbt block"
_scratch_mount
inum=$(stat -c '%i' $SCRATCH_MNT/S_IFREG.FMT_BTREE)
_scratch_unmount
inode_ver=$(_scratch_xfs_get_metadata_field "core.version" "inode ${inum}")
echo "Fuzz bmbt"
_scratch_xfs_fuzz_metadata '' 'none' "inode ${inum}" "addr u${inode_ver}.bmbt.ptrs[1]" >> $seqres.full
echo "Done fuzzing bmbt"
# success, all done
status=0
exit
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