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https://github.com/linux-apfs/apfstests.git
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Darrick J. Wong
0804dc1736
Fuzz every field of every structure and then try to write the filesystem, to see how many of these writes can crash the kernel. 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>
52 lines
1.1 KiB
Bash
Executable File
52 lines
1.1 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. 471
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#
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# Populate a XFS filesystem and fuzz every block-format dir block field.
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# Do not fix the filesystem, to test metadata verifiers.
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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 -rf $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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_disable_dmesg_check
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echo "Format and populate"
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_scratch_populate_cached nofill > $seqres.full 2>&1
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echo "Find data-format dir block"
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_scratch_mount
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inum=$(stat -c '%i' $SCRATCH_MNT/S_IFDIR.FMT_BLOCK)
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_scratch_unmount
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echo "Fuzz data-format dir block"
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_scratch_xfs_fuzz_metadata '' 'none' "inode ${inum}" 'dblock 0' >> $seqres.full
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echo "Done fuzzing data-format dir block"
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# success, all done
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status=0
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exit
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