| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2015 Oracle, Inc. All Rights Reserved. |
| # |
| # FS QA Test No. 105 |
| # |
| # Create and populate an XFS filesystem, corrupt a node directory's leaf |
| # extent, then see how the kernel and xfs_repair 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 $tmp.* |
| } |
| |
| # get standard environment, filters and checks |
| . ./common/rc |
| . ./common/filter |
| . ./common/attr |
| . ./common/populate |
| |
| # real QA test starts here |
| _supported_fs xfs |
| |
| _require_scratch |
| test -n "${FORCE_FUZZ}" || _require_scratch_xfs_crc |
| _require_attrs |
| _require_populate_commands |
| _require_xfs_db_blocktrash_z_command |
| test -z "${FUZZ_ARGS}" && FUZZ_ARGS="-n 8 -3" |
| |
| rm -f $seqres.full |
| |
| echo "+ create scratch fs" |
| _scratch_mkfs_xfs > /dev/null |
| |
| echo "+ mount fs image" |
| _scratch_mount |
| dblksz="$($XFS_INFO_PROG "${SCRATCH_MNT}" | grep naming.*bsize | sed -e 's/^.*bsize=//g' -e 's/\([0-9]*\).*$/\1/g')" |
| nr="$((16 * dblksz / 40))" |
| blksz="$(stat -f -c '%s' "${SCRATCH_MNT}")" |
| leaf_lblk="$((32 * 1073741824 / blksz))" |
| node_lblk="$((64 * 1073741824 / blksz))" |
| |
| echo "+ make some files" |
| __populate_create_dir "${SCRATCH_MNT}/blockdir" "${nr}" true |
| inode="$(stat -c '%i' "${SCRATCH_MNT}/blockdir")" |
| umount "${SCRATCH_MNT}" |
| |
| echo "+ check fs" |
| _scratch_xfs_repair -n >> $seqres.full 2>&1 || _fail "xfs_repair should not fail" |
| |
| echo "+ check dir" |
| __populate_check_xfs_dir "${inode}" node |
| |
| echo "+ corrupt dir" |
| loff="${leaf_lblk}" |
| while true; do |
| _scratch_xfs_db -x -c "inode ${inode}" -c "dblock ${loff}" -c "stack" | grep -q 'file data block is unmapped' && break |
| _scratch_xfs_db -x -c "inode ${inode}" -c "dblock ${loff}" -c "stack" -c "blocktrash -x 32 -y $((blksz * 8)) -z ${FUZZ_ARGS}" >> $seqres.full |
| loff="$((loff + 1))" |
| done |
| |
| echo "+ mount image && modify dir" |
| if _try_scratch_mount >> $seqres.full 2>&1; then |
| |
| rm -rf "${SCRATCH_MNT}/blockdir/00000000" 2> /dev/null && _fail "modified corrupt directory" |
| mkdir "${SCRATCH_MNT}/blockdir/xxxxxxxx" 2> /dev/null && _fail "add to corrupt directory" |
| umount "${SCRATCH_MNT}" |
| fi |
| |
| echo "+ repair fs" |
| _scratch_xfs_repair >> $seqres.full 2>&1 |
| _scratch_xfs_repair >> $seqres.full 2>&1 |
| |
| echo "+ mount image (2)" |
| _scratch_mount |
| |
| echo "+ chattr -R -i" |
| $CHATTR_PROG -R -f -i "${SCRATCH_MNT}/" |
| |
| echo "+ modify dir (2)" |
| mkdir -p "${SCRATCH_MNT}/blockdir" |
| rm -rf "${SCRATCH_MNT}/blockdir/00000000" || _fail "couldn't modify repaired directory" |
| mkdir "${SCRATCH_MNT}/blockdir/xxxxxxxx" || _fail "add to repaired directory" |
| umount "${SCRATCH_MNT}" |
| |
| echo "+ check fs (2)" |
| _scratch_xfs_repair -n >> $seqres.full 2>&1 || _fail "xfs_repair should not fail" |
| |
| status=0 |
| exit |