mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Darrick J. Wong
acada47e49
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Eryu Guan <guaneryu@gmail.com> Signed-off-by: Eryu Guan <guaneryu@gmail.com>
72 lines
1.5 KiB
Bash
Executable File
72 lines
1.5 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2018 Oracle, Inc. All Rights Reserved.
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#
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# FS QA Test No. 495
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#
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# Test for two related regressions -- first, check that repair doesn't
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# repeatedly rebuild directories with a single leafn block; and check that
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# repair also doesn't crash when it hits a corrupt da btree with a zero before
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# pointer.
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#
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seq=`basename $0`
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seqres=$RESULT_DIR/$seq
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echo "QA output created by $seq"
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here=`pwd`
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tmp=/tmp/$$
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status=1 # failure is the default!
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trap "_cleanup; exit \$status" 0 1 2 3 7 15
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_cleanup()
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{
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cd /
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rm -f $tmp.*
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}
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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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. ./common/populate
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. ./common/fuzzy
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# real QA test starts here
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_supported_os Linux
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_supported_fs xfs
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_require_scratch_xfs_fuzz_fields
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echo "Format and populate"
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_scratch_populate_cached nofill > $seqres.full 2>&1
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filter_nbrepair() {
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grep rebuilding | sed -e 's/directory inode [0-9]*/directory inode XXX/g'
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}
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run_repair() {
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_scratch_xfs_repair > $tmp.repair 2>&1
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cat $tmp.repair >> $seqres.full
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cat $tmp.repair | filter_nbrepair
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}
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echo "Check leafn rebuilds"
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run_repair
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run_repair
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echo "Fuzz nbtree[0].before to zero"
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_scratch_mount
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inum=$(stat -c '%i' $SCRATCH_MNT/S_IFDIR.FMT_NODE)
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blk_sz=$(_get_block_size $SCRATCH_MNT)
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_scratch_unmount
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leaf_offset=$(( (2 ** 35) / blk_sz ))
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_scratch_xfs_fuzz_metadata_field "nbtree[0].before" "zeroes" "inode ${inum}" \
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"dblock ${leaf_offset}" >> $seqres.full
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echo "Check nbtree[0].before repair"
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run_repair
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run_repair
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# success, all done
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echo Done
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status=0
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exit
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