4 # Create and populate an XFS filesystem, corrupt the bnobt, then see how
5 # 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 "${FUZZ_ARGS}" && FUZZ_ARGS="-n 8 -3"
57 TESTDIR="${SCRATCH_MNT}/scratchdir"
58 TESTFILE="${TESTDIR}/testfile"
60 echo "+ create scratch fs"
61 _scratch_mkfs_xfs > /dev/null
63 echo "+ mount fs image"
65 blksz="$(stat -f -c '%s' "${SCRATCH_MNT}")"
67 echo "+ make some files"
69 for x in `seq 1 1024`; do
70 touch "${SCRATCH_MNT}/junk.${x}"
71 inode="$(stat -c '%i' "${SCRATCH_MNT}/junk.${x}")"
72 if [ "$x" -gt 512 ] && [ "$((inode % 64))" -eq 0 ]; then
73 mv "${SCRATCH_MNT}/junk.${x}" "${TESTFILE}.1"
77 for x in `seq 2 64`; do
78 touch "${TESTFILE}.${x}"
80 inode="$(stat -c '%i' "${TESTFILE}.1")"
81 agcount="$(xfs_info "${SCRATCH_MNT}" | grep agcount= | sed -e 's/^.*agcount=\([0-9]*\),.*$/\1/g')"
82 umount "${SCRATCH_MNT}"
85 _scratch_xfs_repair -n >> $seqres.full 2>&1 || _fail "xfs_repair should not fail"
87 echo "+ corrupt image"
88 for ag in $(seq 1 $((agcount - 1))) 0; do
89 $XFS_DB_PROG -x -c "agf ${ag}" -c "agf ${ag}" -c "addr bnoroot" -c "stack" -c "blocktrash -x 32 -y $((blksz * 8)) -z ${FUZZ_ARGS}" "${SCRATCH_DEV}" >> $seqres.full 2>&1
92 # Try to append to files; this should fail
97 for x in `seq 1 64`; do
98 $XFS_IO_PROG -f -c "pwrite -S 0x62 0 ${blksz}" "${TESTFILE}.${x}" >> $seqres.full
100 umount "${SCRATCH_MNT}"
103 _scratch_xfs_repair >> $seqres.full 2>&1
108 echo "+ chattr -R -i"
109 chattr -R -f -i "${SCRATCH_MNT}/"
112 ls -la "${TESTDIR}" >> $seqres.full
114 for x in `seq 1 64`; do
115 test -s "${TESTFILE}.${x}" || broken=1
117 echo "broken: ${broken}"
119 # Try appending again, now that we've fixed the fs
120 echo "+ modify files (2)"
121 for x in `seq 1 64`; do
122 $XFS_IO_PROG -f -c "pwrite -S 0x62 ${blksz} ${blksz}" "${TESTFILE}.${x}" >> $seqres.full
124 umount "${SCRATCH_MNT}"
127 _scratch_xfs_repair >> $seqres.full 2>&1
132 echo "+ chattr -R -i"
133 chattr -R -f -i "${SCRATCH_MNT}/"
135 echo "+ check files (2)"
137 for x in `seq 1 64`; do
138 test -s "${TESTFILE}.${x}" || broken=1
140 echo "broken: ${broken}"
141 umount "${SCRATCH_MNT}"
143 echo "+ check fs (2)"
144 _scratch_xfs_repair -n >> $seqres.full 2>&1 || _fail "xfs_repair should not fail"