| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2015 Oracle, Inc. All Rights Reserved. |
| # |
| # FS QA Test No. 018 |
| # |
| # Create and populate an ext4 filesystem, corrupt a xattr block, then |
| # see how the kernel and e2fsck deal with it. |
| # |
| seq=`basename $0` |
| seqres=$RESULT_DIR/$seq |
| echo "QA output created by $seq" |
| |
| here=`pwd` |
| tmp=/tmp/$$ |
| status=1 # failure is the default! |
| trap "_cleanup; exit \$status" 0 1 2 3 15 |
| |
| _cleanup() |
| { |
| cd / |
| #rm -f $tmp.* |
| } |
| |
| # get standard environment, filters and checks |
| . ./common/rc |
| . ./common/filter |
| . ./common/attr |
| |
| # real QA test starts here |
| _supported_fs ext4 |
| |
| _require_scratch |
| test -n "${FORCE_FUZZ}" || _require_scratch_ext4_crc |
| _require_attrs |
| |
| rm -f $seqres.full |
| TESTDIR="${SCRATCH_MNT}/scratchdir" |
| TESTFILE="${TESTDIR}/testfile" |
| |
| echo "+ create scratch fs" |
| _scratch_mkfs_ext4 > /dev/null 2>&1 |
| |
| echo "+ mount fs image" |
| _scratch_mount |
| blksz="$(stat -f -c '%s' "${SCRATCH_MNT}")" |
| |
| echo "+ make some files" |
| $XFS_IO_PROG -f -c "pwrite -S 0x62 0 ${blksz}" "${SCRATCH_MNT}/attrfile" >> $seqres.full |
| setfattr -n user.key -v "$(perl -e 'print "v" x 300;')" "${SCRATCH_MNT}/attrfile" |
| umount "${SCRATCH_MNT}" |
| |
| echo "+ check fs" |
| e2fsck -fn "${SCRATCH_DEV}" >> $seqres.full 2>&1 || _fail "fsck should not fail" |
| |
| echo "+ corrupt image" |
| blk="$(debugfs -R 'stat /attrfile' "${SCRATCH_DEV}" 2> /dev/null | grep 'File ACL:' | sed -e 's/^.*File ACL: \([0-9]*\).*/\1/g')" |
| $XFS_IO_PROG -f -c "pwrite -S 0x62 $((blk * blksz + 20)) 8" "${SCRATCH_DEV}" >> $seqres.full |
| |
| echo "+ mount image" |
| _scratch_mount |
| |
| echo "+ modify attrs" |
| setfattr -n user.newkey -v "$(perl -e 'print "v" x 300;')" "${SCRATCH_MNT}/attrfile" 2> /dev/null && _fail "xattr should be corrupt" |
| umount "${SCRATCH_MNT}" |
| |
| echo "+ repair fs" |
| e2fsck -fy "${SCRATCH_DEV}" >> $seqres.full 2>&1 |
| |
| echo "+ mount image (2)" |
| _scratch_mount |
| |
| echo "+ modify attrs (2)" |
| setfattr -n user.newkey -v "$(perl -e 'print "v" x 300;')" "${SCRATCH_MNT}/attrfile" || _fail "xattr should not be corrupt" |
| umount "${SCRATCH_MNT}" |
| |
| echo "+ check fs (2)" |
| e2fsck -fn "${SCRATCH_DEV}" >> $seqres.full 2>&1 || _fail "fsck should not fail" |
| |
| status=0 |
| exit |