4 # Create and populate an XFS filesystem, corrupt the journal, 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 "${FUZZ_ARGS}" && FUZZ_ARGS="-n 8 -3"
58 # If we corrupt log on a CONFIG_XFS_WARN build, there will be mount related
59 # WARNINGs in dmesg as expected. We don't want to simply _disable_dmesg_check
60 # which could miss other potential bugs, so filter out the intentional WARNINGs,
61 # make sure test doesn't fail because of this warning and fails on other WARNINGs.
64 local warn="WARNING:.*fs/xfs/xfs_message\.c:.*asswarn.*"
65 sed -e "s#$warn#Intentional warnings in asswarn#"
68 TESTDIR="${SCRATCH_MNT}/scratchdir"
69 TESTFILE="${TESTDIR}/testfile"
71 echo "+ create scratch fs"
72 _scratch_mkfs_xfs > /dev/null
74 echo "+ mount fs image"
76 blksz="$(stat -f -c '%s' "${SCRATCH_MNT}")"
78 echo "+ make some files"
80 for x in `seq 1 1024`; do
81 touch "${SCRATCH_MNT}/junk.${x}"
82 inode="$(stat -c '%i' "${SCRATCH_MNT}/junk.${x}")"
83 if [ "$x" -gt 512 ] && [ "$((inode % 64))" -eq 0 ]; then
84 mv "${SCRATCH_MNT}/junk.${x}" "${TESTFILE}.1"
88 for x in `seq 2 64`; do
89 touch "${TESTFILE}.${x}"
91 inode="$(stat -c '%i' "${TESTFILE}.1")"
92 umount "${SCRATCH_MNT}"
95 _scratch_xfs_repair -n >> $seqres.full 2>&1 || _fail "xfs_repair should not fail"
97 echo "+ corrupt image"
98 logstart="$(_scratch_xfs_db -c 'sb 0' -c 'p' | grep '^logstart =' | cut -d ' ' -f 3)"
99 logstart="$(_scratch_xfs_db -c "convert fsblock ${logstart} byte" | sed -e 's/^.*(\([0-9]*\).*$/\1/g')"
100 logblocks="$(xfs_db -c 'sb 0' -c 'p' "${SCRATCH_DEV}" | grep '^logblocks =' | cut -d ' ' -f 3)"
101 $XFS_IO_PROG -f -c "pwrite -S 0x62 ${logstart} $((logblocks * blksz))" "${SCRATCH_DEV}" >> $seqres.full
104 _scratch_mount 2>/dev/null && _fail "mount should not succeed"
107 _repair_scratch_fs >> $seqres.full 2>&1
109 # mount may trigger related WARNINGs, so filter them.
110 _check_dmesg filter_xfs_dmesg
112 echo "+ mount image (2)"
115 echo "+ chattr -R -i"
116 $CHATTR_PROG -R -f -i "${SCRATCH_MNT}/"
118 echo "+ modify files (2)"
120 for x in `seq 1 64`; do
121 test -e "${TESTFILE}.${x}" || continue
122 echo moo | dd oflag=append conv=notrunc of="${TESTFILE}.${x}" 2>/dev/null
123 test $? -ne 0 && broken=1
125 echo "broken: ${broken}"
126 umount "${SCRATCH_MNT}"
128 echo "+ check fs (2)"
129 _scratch_xfs_repair -n >> $seqres.full 2>&1 || _fail "xfs_repair should not fail"