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 inobt, then see how
8 # the kernel and xfs_repair deal with it.
11 seqres=$RESULT_DIR/$seq
12 echo "QA output created by $seq"
16 status=1 # failure is the default!
17 trap "_cleanup; exit \$status" 0 1 2 3 15
25 # get standard environment, filters and checks
31 # real QA test starts here
35 test -n "${FORCE_FUZZ}" || _require_scratch_xfs_crc
37 _require_populate_commands
38 _require_xfs_db_blocktrash_z_command
39 test -z "${FUZZ_ARGS}" && FUZZ_ARGS="-n 8 -3"
42 TESTDIR="${SCRATCH_MNT}/scratchdir"
43 TESTFILE="${TESTDIR}/testfile"
45 echo "+ create scratch fs"
46 _scratch_mkfs_xfs > /dev/null
48 echo "+ mount fs image"
50 blksz="$(stat -f -c '%s' "${SCRATCH_MNT}")"
52 echo "+ make some files"
54 for x in `seq 1 1024`; do
55 touch "${SCRATCH_MNT}/junk.${x}"
56 inode="$(stat -c '%i' "${SCRATCH_MNT}/junk.${x}")"
57 if [ "$x" -gt 512 ] && [ "$((inode % 64))" -eq 0 ]; then
58 mv "${SCRATCH_MNT}/junk.${x}" "${TESTFILE}.1"
62 for x in `seq 2 64`; do
63 touch "${TESTFILE}.${x}"
65 inode="$(stat -c '%i' "${TESTFILE}.1")"
66 agcount="$(_xfs_mount_agcount $SCRATCH_MNT)"
67 umount "${SCRATCH_MNT}"
70 _scratch_xfs_repair -n >> $seqres.full 2>&1 || _fail "xfs_repair should not fail"
72 echo "+ corrupt image"
73 for ag in $(seq 1 $((agcount - 1))) 0; do
74 _scratch_xfs_db -x -c "agi ${ag}" -c "agi ${ag}" -c "addr root" -c "stack" -c "blocktrash -x 32 -y $((blksz * 8)) -z ${FUZZ_ARGS}" >> $seqres.full 2>&1
77 echo "+ mount image && modify files"
79 if _try_scratch_mount >> $seqres.full 2>&1; then
81 for x in `seq 65 70`; do
82 touch "${TESTFILE}.${x}" 2> /dev/null && broken=0
84 umount "${SCRATCH_MNT}"
86 echo "broken: ${broken}"
89 _scratch_xfs_repair >> $seqres.full 2>&1
91 echo "+ mount image (2)"
95 $CHATTR_PROG -R -f -i "${SCRATCH_MNT}/"
97 echo "+ modify files (2)"
99 # Make sure that we still have the scratch directory after repairing our
100 # corrupted filesystem, because repair could have nuked it.
101 mkdir -p "${TESTDIR}"
102 for x in `seq 65 70`; do
103 touch "${TESTFILE}.${x}" || broken=1
105 echo "broken: ${broken}"
106 umount "${SCRATCH_MNT}"
108 echo "+ check fs (2)"
109 _scratch_xfs_repair -n >> $seqres.full 2>&1 || _fail "xfs_repair should not fail"