2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (c) 2015 Oracle, Inc. All Rights Reserved.
7 # Create and populate an XFS filesystem, corrupt the journal, then see how
8 # the kernel and xfs_repair deal with it.
13 # Override the default cleanup function.
20 # Import common functions.
25 # real QA test starts here
28 # We corrupt XFS on purpose, and check if assert failures would crash system.
29 _require_no_xfs_bug_on_assert
31 test -n "${FORCE_FUZZ}" || _require_scratch_xfs_crc
33 _require_populate_commands
34 _require_xfs_db_blocktrash_z_command
35 test -z "${FUZZ_ARGS}" && FUZZ_ARGS="-n 8 -3"
37 TESTDIR="${SCRATCH_MNT}/scratchdir"
38 TESTFILE="${TESTDIR}/testfile"
40 echo "+ create scratch fs"
41 _scratch_mkfs_xfs > /dev/null
43 echo "+ mount fs image"
45 blksz="$(stat -f -c '%s' "${SCRATCH_MNT}")"
47 echo "+ make some files"
49 for x in `seq 1 1024`; do
50 touch "${SCRATCH_MNT}/junk.${x}"
51 inode="$(stat -c '%i' "${SCRATCH_MNT}/junk.${x}")"
52 if [ "$x" -gt 512 ] && [ "$((inode % 64))" -eq 0 ]; then
53 mv "${SCRATCH_MNT}/junk.${x}" "${TESTFILE}.1"
57 for x in `seq 2 64`; do
58 touch "${TESTFILE}.${x}"
60 inode="$(stat -c '%i' "${TESTFILE}.1")"
61 umount "${SCRATCH_MNT}"
64 _scratch_xfs_repair -n >> $seqres.full 2>&1 || _fail "xfs_repair should not fail"
66 echo "+ corrupt image"
67 logstart="$(_scratch_xfs_get_sb_field logstart)"
68 logstart="$(_scratch_xfs_db -c "convert fsblock ${logstart} byte" | sed -e 's/^.*(\([0-9]*\).*$/\1/g')"
69 logblocks="$(_scratch_xfs_get_sb_field logblocks)"
71 if [ "$USE_EXTERNAL" = yes ] && [ ! -z "$SCRATCH_LOGDEV" ]; then
72 logdev=$SCRATCH_LOGDEV
76 $XFS_IO_PROG -f -c "pwrite -S 0x62 ${logstart} $((logblocks * blksz))" $logdev >> $seqres.full
79 _try_scratch_mount 2>/dev/null && _fail "mount should not succeed"
82 _repair_scratch_fs >> $seqres.full 2>&1
84 # We may trigger assert related WARNINGs if we corrupt log on a
85 # CONFIG_XFS_WARN or CONFIG_XFS_DEBUG (CONFIG_XFS_ASSERT_FATAL is
86 # disabled) build, so filter them.
87 _check_dmesg _filter_assert_dmesg
89 echo "+ mount image (2)"
93 $CHATTR_PROG -R -f -i "${SCRATCH_MNT}/"
95 echo "+ modify files (2)"
97 for x in `seq 1 64`; do
98 test -e "${TESTFILE}.${x}" || continue
99 echo moo | dd oflag=append conv=notrunc of="${TESTFILE}.${x}" 2>/dev/null
100 test $? -ne 0 && broken=1
102 echo "broken: ${broken}"
103 umount "${SCRATCH_MNT}"
105 echo "+ check fs (2)"
106 _scratch_xfs_repair -n >> $seqres.full 2>&1 || _fail "xfs_repair should not fail"