4 # Create and populate an ext4 filesystem, corrupt a htree block, then
5 # see how the kernel and e2fsck 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 $seq"
31 status=1 # failure is the default!
32 trap "_cleanup; exit \$status" 0 1 2 3 15
40 # get standard environment, filters and checks
45 # real QA test starts here
50 test -n "${FORCE_FUZZ}" || _require_scratch_ext4_crc
54 TESTDIR="${SCRATCH_MNT}/scratchdir"
55 TESTFILE="${TESTDIR}/testfile"
57 echo "+ create scratch fs"
58 _scratch_mkfs_ext4 > /dev/null 2>&1
60 echo "+ mount fs image"
62 blksz="$(stat -f -c '%s' "${SCRATCH_MNT}")"
64 echo "+ make some files"
65 mkdir -p "${SCRATCH_MNT}/test/"
66 for x in `seq 1 $((blksz * 4 / 256))`; do
67 fname="$(printf "%.255s\n" "$(perl -e "print \"${x}_\" x 500;")")"
68 touch "${SCRATCH_MNT}/test/${fname}"
70 umount "${SCRATCH_MNT}"
73 e2fsck -fn "${SCRATCH_DEV}" >> $seqres.full 2>&1 || _fail "fsck should not fail"
75 echo "+ corrupt image"
76 debugfs -w -R "zap -f /test 0" "${SCRATCH_DEV}" 2> /dev/null
82 mkdir -p "${SCRATCH_MNT}/test/newdir" 2> /dev/null && _fail "htree should be corrupt"
83 umount "${SCRATCH_MNT}"
86 e2fsck -fy "${SCRATCH_DEV}" >> $seqres.full 2>&1
88 echo "+ mount image (2)"
91 echo "+ modify dirs (2)"
92 mkdir -p "${SCRATCH_MNT}/test/newdir" || _fail "htree should not be corrupt"
93 umount "${SCRATCH_MNT}"
96 e2fsck -fn "${SCRATCH_DEV}" >> $seqres.full 2>&1 || _fail "fsck should not fail"