4 # Create and populate an XFS filesystem, corrupt a block xattr, then see
5 # 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_populate_commands
54 _require_xfs_db_blocktrash_z_command
55 test -z "${FUZZ_ARGS}" && FUZZ_ARGS="-n 8 -3"
59 echo "+ create scratch fs"
60 _scratch_mkfs_xfs > /dev/null
62 echo "+ mount fs image"
64 blksz="$(stat -f -c '%s' "${SCRATCH_MNT}")"
66 leaf_lblk="$((32 * 1073741824 / blksz))"
67 node_lblk="$((64 * 1073741824 / blksz))"
69 echo "+ make some files"
70 touch "${SCRATCH_MNT}/attrfile"
71 seq 0 "${nr}" | while read d; do
72 setfattr -n "user.x$(printf "%.08d" "$d")" -v "0000000000000000" "${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 block xattr (data)"
83 _scratch_xfs_db -x -c "inode ${inode}" -c "ablock ${leaf_lblk}" -c "stack" | grep -q 'file attr block is unmapped' || _fail "failed to create a block xattr (leaf)"
84 _scratch_xfs_db -x -c "inode ${inode}" -c "ablock ${node_lblk}" -c "stack" | grep -q 'file attr block is unmapped' || _fail "failed to create a block xattr (free)"
86 echo "+ corrupt xattr"
87 _scratch_xfs_db -x -c "inode ${inode}" -c 'ablock 0' -c "stack" -c "blocktrash -x 32 -y $((blksz * 8)) -z ${FUZZ_ARGS}" >> $seqres.full
93 setfattr -x "user.x00000000" "${SCRATCH_MNT}/attrfile" 2> /dev/null && _fail "modified corrupt xattr"
94 umount "${SCRATCH_MNT}"
97 _scratch_xfs_repair >> $seqres.full 2>&1
98 _scratch_xfs_repair >> $seqres.full 2>&1
100 echo "+ mount image (2)"
103 echo "+ chattr -R -i"
104 $CHATTR_PROG -R -f -i "${SCRATCH_MNT}/"
106 echo "+ modify xattr (2)"
107 getfattr "${SCRATCH_MNT}/attrfile" -n "user.x00000000" > /dev/null 2>&1 && (setfattr -x "user.x00000000" "${SCRATCH_MNT}/attrfile" || _fail "remove corrupt xattr")
108 setfattr -n "user.x00000000" -v 'x0x0x0x0' "${SCRATCH_MNT}/attrfile" || _fail "add corrupt xattr"
109 umount "${SCRATCH_MNT}"
111 echo "+ check fs (2)"
112 _scratch_xfs_repair -n >> $seqres.full 2>&1 || _fail "xfs_repair should not fail"