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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2017 Oracle, Inc. All Rights Reserved.
#
# FS QA Test No. 390
#
# Populate a XFS filesystem and fuzz every leaf1-format dir block field.
# Use xfs_repair to fix the corruption.
#
. ./common/preamble
_begin_fstest dangerous_fuzzers dangerous_scrub dangerous_repair
_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
echo "Format and populate"
_scratch_populate_cached nofill > $seqres.full 2>&1
echo "Find leaf1-format dir block"
_scratch_mount
inum=$(stat -c '%i' $SCRATCH_MNT/S_IFDIR.FMT_LEAF)
blk_sz=$(_get_block_size $SCRATCH_MNT)
_scratch_unmount
leaf_offset=$(( (2 ** 35) / blk_sz))
echo "Fuzz leaf1-format dir block"
_scratch_xfs_fuzz_metadata '' 'offline' "inode ${inum}" "dblock ${leaf_offset}" >> $seqres.full
echo "Done fuzzing leaf1-format dir block"
# success, all done
status=0
exit
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