2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (c) 2015 Oracle, Inc. All Rights Reserved.
7 # Create and populate an XFS filesystem, corrupt a superblock, then see how
8 # the kernel and xfs_repair deal with it.
11 seqres=$RESULT_DIR/$seq
12 echo "QA output created by $seq"
16 status=1 # failure is the default!
17 trap "_cleanup; exit \$status" 0 1 2 3 15
25 # get standard environment, filters and checks
31 # real QA test starts here
36 test -n "${FORCE_FUZZ}" || _require_scratch_xfs_crc
38 _require_populate_commands
39 _require_xfs_db_blocktrash_z_command
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_INFO_PROG "${SCRATCH_MNT}" | grep agcount= | sed -e 's/^.*agcount=\([0-9]*\),.*$/\1/g')"
67 umount "${SCRATCH_MNT}"
70 _scratch_xfs_repair -n >> $seqres.full 2>&1 || _fail "xfs_repair should not fail"
72 echo "+ corrupt image"
73 $XFS_IO_PROG -f -c "pwrite -S 0x62 32 4" "${SCRATCH_DEV}" >> $seqres.full
76 _try_scratch_mount 2>/dev/null && _fail "mount should not succeed"
79 _scratch_xfs_repair >> $seqres.full 2>&1
81 echo "+ mount image (2)"
85 $CHATTR_PROG -R -f -i "${SCRATCH_MNT}/"
87 echo "+ modify files (2)"
89 for x in `seq 1 64`; do
90 test -e "${TESTFILE}.${x}" || continue
91 echo moo | dd oflag=append conv=notrunc of="${TESTFILE}.${x}" 2>/dev/null
92 test $? -ne 0 && broken=1
94 echo "broken: ${broken}"
95 umount "${SCRATCH_MNT}"
98 _scratch_xfs_repair -n >> $seqres.full 2>&1 || _fail "xfs_repair should not fail"