2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (c) 2018 Oracle, Inc. All Rights Reserved.
7 # Populate a XFS filesystem and fuzz every single-leafn-format dir block field.
8 # Do not fix the filesystem, to test metadata verifiers.
11 _begin_fstest dangerous_fuzzers dangerous_norepair
13 _register_cleanup "_cleanup" BUS
15 # Import common functions.
20 # real QA test starts here
22 _require_scratch_xfs_fuzz_fields
24 echo "Format and populate"
25 _scratch_populate_cached nofill > $seqres.full 2>&1
27 echo "Find single-leafn-format dir block"
29 inum=$(stat -c '%i' $SCRATCH_MNT/S_IFDIR.FMT_LEAFN)
30 blk_sz=$(_get_block_size $SCRATCH_MNT)
33 leaf_offset=$(( (2 ** 35) / blk_sz ))
34 echo "Fuzz single-leafn-format dir block"
35 _scratch_xfs_fuzz_metadata '' 'none' "inode ${inum}" "dblock ${leaf_offset}" >> $seqres.full
36 echo "Done fuzzing single-leafn-format dir block"