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|
#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2015 Oracle, Inc. All Rights Reserved.
#
# FS QA Test No. 086
#
# Create and populate an XFS filesystem, corrupt an AGF, then see how
# the kernel and xfs_repair deal with it.
#
. ./common/preamble
_begin_fstest fuzzers
# Override the default cleanup function.
_cleanup()
{
cd /
#rm -f $tmp.*
}
# Import common functions.
. ./common/filter
. ./common/attr
. ./common/populate
# real QA test starts here
_supported_fs xfs
_require_scratch
test -n "${FORCE_FUZZ}" || _require_scratch_xfs_crc
_require_attrs
_require_populate_commands
_require_xfs_db_blocktrash_z_command
test -z "${FUZZ_ARGS}" && FUZZ_ARGS="-n 8 -3"
TESTDIR="${SCRATCH_MNT}/scratchdir"
TESTFILE="${TESTDIR}/testfile"
echo "+ create scratch fs"
_scratch_mkfs_xfs > /dev/null
echo "+ mount fs image"
_scratch_mount
blksz="$(stat -f -c '%s' "${SCRATCH_MNT}")"
echo "+ make some files"
mkdir -p "${TESTDIR}"
for x in `seq 1 1024`; do
touch "${SCRATCH_MNT}/junk.${x}"
inode="$(stat -c '%i' "${SCRATCH_MNT}/junk.${x}")"
if [ "$x" -gt 512 ] && [ "$((inode % 64))" -eq 0 ]; then
mv "${SCRATCH_MNT}/junk.${x}" "${TESTFILE}.1"
break
fi
done
for x in `seq 2 64`; do
touch "${TESTFILE}.${x}"
done
inode="$(stat -c '%i' "${TESTFILE}.1")"
agcount="$(_xfs_mount_agcount $SCRATCH_MNT)"
test "${agcount}" -gt 1 || _notrun "Single-AG XFS not supported"
umount "${SCRATCH_MNT}"
echo "+ check fs"
_scratch_xfs_repair -n >> $seqres.full 2>&1 || _fail "xfs_repair should not fail"
echo "+ corrupt image"
for ag in $(seq 1 $((agcount - 1))) 0; do
_scratch_xfs_db -x -c "agf ${ag}" -c "agf ${ag}" -c "stack" -c "blocktrash -x 32 -o +64 -y 4096 -z ${FUZZ_ARGS}" >> $seqres.full 2>&1
done
# Try to append to files; this should fail
echo "+ mount image && modify files"
if _try_scratch_mount >> $seqres.full 2>&1; then
for x in `seq 1 64`; do
$XFS_IO_PROG -f -c "pwrite -S 0x62 0 ${blksz}" "${TESTFILE}.${x}" >> $seqres.full
done
umount "${SCRATCH_MNT}"
fi
echo "+ repair fs"
_repair_scratch_fs >> $seqres.full 2>&1
echo "+ mount image"
_scratch_mount
echo "+ chattr -R -i"
$CHATTR_PROG -R -f -i "${SCRATCH_MNT}/"
echo "+ check files"
broken=0
for x in `seq 1 64`; do
test -s "${TESTFILE}.${x}" || broken=1
done
echo "broken: ${broken}"
# Try appending again, now that we've fixed the fs
echo "+ modify files (2)"
for x in `seq 1 64`; do
$XFS_IO_PROG -f -c "pwrite -S 0x62 ${blksz} ${blksz}" "${TESTFILE}.${x}" >> $seqres.full
done
umount "${SCRATCH_MNT}"
echo "+ repair fs"
_repair_scratch_fs >> $seqres.full 2>&1
echo "+ mount image"
_scratch_mount
echo "+ chattr -R -i"
$CHATTR_PROG -R -f -i "${SCRATCH_MNT}/"
echo "+ check files (2)"
broken=0
for x in `seq 1 64`; do
test -s "${TESTFILE}.${x}" || broken=1
done
echo "broken: ${broken}"
umount "${SCRATCH_MNT}"
echo "+ check fs (2)"
_scratch_xfs_repair -n >> $seqres.full 2>&1 || _fail "xfs_repair should not fail"
status=0
exit
|
