4 # Create and populate an XFS filesystem, corrupt a leaf xattr's index extent,
5 # then see how the kernel and xfs_repair deal with it.
7 #-----------------------------------------------------------------------
8 # Copyright (c) 2015 Oracle, Inc. All Rights Reserved.
10 # This program is free software; you can redistribute it and/or
11 # modify it under the terms of the GNU General Public License as
12 # published by the Free Software Foundation.
14 # This program is distributed in the hope that it would be useful,
15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 # GNU General Public License for more details.
19 # You should have received a copy of the GNU General Public License
20 # along with this program; if not, write the Free Software Foundation,
21 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 #-----------------------------------------------------------------------
26 seqres=$RESULT_DIR/$seq
27 echo "QA output created by $seq"
31 status=1 # failure is the default!
32 trap "_cleanup; exit \$status" 0 1 2 3 15
40 # get standard environment, filters and checks
46 # real QA test starts here
51 test -n "${FORCE_FUZZ}" || _require_scratch_xfs_crc
53 _require_xfs_db_blocktrash_z_command
54 test -z "${FUZZ_ARGS}" && FUZZ_ARGS="-n 8 -3"
58 echo "+ create scratch fs"
59 _scratch_mkfs_xfs > /dev/null
61 echo "+ mount fs image"
63 blksz="$(stat -f -c '%s' "${SCRATCH_MNT}")"
64 nr="$((8 * blksz / 40))"
66 echo "+ make some files"
67 touch "${SCRATCH_MNT}/attrfile"
68 seq 0 "${nr}" | while read d; do
69 setfattr -n "user.x$(printf "%.08d" "$d")" -v "0000000000000000" "${SCRATCH_MNT}/attrfile"
71 seq 1 2 "${nr}" | while read d; do
72 setfattr -x "user.x$(printf "%.08d" "$d")" "${SCRATCH_MNT}/attrfile"
74 inode="$(stat -c '%i' "${SCRATCH_MNT}/attrfile")"
75 umount "${SCRATCH_MNT}"
78 _scratch_xfs_repair -n >> $seqres.full 2>&1 || _fail "xfs_repair should not fail"
81 _scratch_xfs_db -x -c "inode ${inode}" -c "bmap" >> $seqres.full
82 _scratch_xfs_db -x -c "inode ${inode}" -c "ablock 0" -c "stack" | grep -q 'file attr block is unmapped' && _fail "failed to create a leaf xattr (index)"
83 _scratch_xfs_db -x -c "inode ${inode}" -c "ablock 1" -c "stack" | grep -q 'file attr block is unmapped' && _fail "failed to create a leaf xattr (data)"
85 echo "+ corrupt xattr"
86 _scratch_xfs_db -x -c "inode ${inode}" -c 'ablock 0' -c "stack" -c "blocktrash -x 32 -o +32 -y $((blksz * 8)) -z ${FUZZ_ARGS}" >> $seqres.full
92 setfattr -x "user.x00000000" "${SCRATCH_MNT}/attrfile" 2> /dev/null && _fail "modified corrupt xattr"
93 umount "${SCRATCH_MNT}"
96 _scratch_xfs_repair >> $seqres.full 2>&1
97 _scratch_xfs_repair >> $seqres.full 2>&1
99 echo "+ mount image (2)"
102 echo "+ chattr -R -i"
103 $CHATTR_PROG -R -f -i "${SCRATCH_MNT}/"
105 echo "+ modify xattr (2)"
106 setfattr -n "user.x00000000" -v "1111111111111111" "${SCRATCH_MNT}/attrfile" || _fail "modified corrupt xattr"
107 setfattr -x "user.x00000000" "${SCRATCH_MNT}/attrfile" || _fail "delete corrupt xattr"
108 umount "${SCRATCH_MNT}"
110 echo "+ check fs (2)"
111 _scratch_xfs_repair -n >> $seqres.full 2>&1 || _fail "xfs_repair should not fail"