tests/generic/611

#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2020 Red Hat, Inc. All Rights Reserved.
#
# FS QA Test 611
#
# Verify that metadata won't get corrupted when extended attribute
# name of size one is set.
#
# This test verifies the problem fixed in kernel with commit
# f4020438fab0 ("xfs: fix boundary test in xfs_attr_shortform_verify")

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

# remove previous $seqres.full before test
rm -f $seqres.full

# real QA test starts here

_supported_fs generic
_require_scratch
_require_attrs

_scratch_mkfs > $seqres.full 2>&1
_scratch_mount

localfile="${SCRATCH_MNT}/testfile"

touch "${localfile}"
"${SETFATTR_PROG}" -n user.a "${localfile}"

# Make sure that changes are written to disk
_scratch_cycle_mount

# If the target bug isn't fixed, getfattr fails
_getfattr --absolute-names -n user.a $localfile | grep 'user.a'

status=0
exit