blob: 3497e67cc12ad31050fa40cc936ea1af5e23fbcb (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2018 FUJITSU. All Rights Reserved.
#
# FS QA Test No. 439
#
# Regression test for commit:
# 9c92ee2 ("xfs: validate sb_logsunit is a multiple of the fs blocksize")
#
# If log stripe unit isn't a multiple of the fs blocksize and mounting,
# the invalid sb_logsunit leads to crash as soon as we try to write to
# the log.
#
. ./common/preamble
_begin_fstest auto quick fuzzers log
# Import common functions.
. ./common/filter
# real QA test starts here
_supported_fs xfs
_require_scratch_nocheck
# We corrupt XFS on purpose, and check if assert failures would crash the
# system when trying to xfs_log_mount. Hence this is a regression test for:
_fixed_by_kernel_commit 9c92ee208b1f \
"xfs: validate sb_logsunit is a multiple of the fs blocksize"
# This used to be _require_no_xfs_bug_on_assert, but now we've fixed the sb
# verifier to reject this before xfs_log_mount gets to it:
_fixed_by_kernel_commit f1e1765aad7d \
"xfs: journal geometry is not properly bounds checked"
rm -f "$seqres.full"
# Format
_scratch_mkfs > $seqres.full 2>&1 || _fail "mkfs failed"
# Set logsunit to a value which is not a multiple of the fs blocksize
blksz=$(_scratch_xfs_get_sb_field blocksize)
_scratch_xfs_set_sb_field logsunit $((blksz - 1)) >> $seqres.full 2>&1
# Check if logsunit is set correctly
lsunit=$(_scratch_xfs_get_sb_field logsunit 2>/dev/null)
[ $lsunit -ne $((blksz - 1)) ] && _notrun "failed to set sb_logsunit"
# Mount and writing log may trigger a crash on buggy kernel
# The fix applied kernel refuses to mount, so a mount failure is
# expected
if _try_scratch_mount >> $seqres.full 2>&1; then
for i in $(seq 1 1000); do
echo > ${SCRATCH_MNT}/$i
done
_scratch_unmount
fi
# We may trigger assert related WARNINGs if we corrupt log on a CONFIG_XFS_WARN
# or CONFIG_XFS_DEBUG (when bug_on_assert is disabled) build, so filter them.
_check_dmesg _filter_assert_dmesg
echo "Silence is golden"
# success, all done
status=0
exit
|
