xfs: test inobt/on disk free state mismatches
authorDave Chinner <dchinner@redhat.com>
Mon, 7 May 2018 23:05:51 +0000 (09:05 +1000)
committerEryu Guan <guaneryu@gmail.com>
Fri, 11 May 2018 10:40:04 +0000 (18:40 +0800)
Fuzzing has recently uncovered a couple of conditions where we don't
detect corruptions that reallocate already allocated inodes. This
test exercises those cases, and checks that we shut down the
filesystem appropriately when such a corruption occurs.

Signed-Off-By: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
tests/xfs/132 [new file with mode: 0755]
tests/xfs/132.out [new file with mode: 0644]

diff --git a/tests/xfs/132 b/tests/xfs/132
new file mode 100755 (executable)
index 0000000..6bb03e7
--- /dev/null
@@ -0,0 +1,73 @@
+#! /bin/bash
+# FS QA Test No. 132
+# Catch inobt/on disk inode free state mismatches on V4 filesystems
+# Copyright (c) 2018 Red Hat, Inc.  All Rights Reserved.
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation.
+# This program is distributed in the hope that it would be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# GNU General Public License for more details.
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write the Free Software Foundation,
+# Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+seq=`basename $0`
+echo "QA output created by $seq"
+status=1       # failure is the default!
+trap "_cleanup; exit \$status" 0 1 2 3 15
+       cd /
+       rm -f $tmp.*
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+# remove previous $seqres.full before test
+rm -f $seqres.full
+# real QA test starts here
+_supported_fs xfs
+_supported_os Linux
+# we intentionally corrupt the filesystem, so don't check it after the test
+# on success, we'll get a shutdown filesystem with a really noisy log message
+# due to transaction cancellation.  Hence we don't want to check dmesg here.
+_scratch_mkfs -m crc=0 > $seqres.full 2>&1
+# corrupt an inode in the root inode chunk
+root_ino=$(_scratch_xfs_get_metadata_field 'rootino' 'sb 0')
+corrupt_ino=$((root_ino + 15))
+_scratch_xfs_set_metadata_field 'core.mode' 0100644 "inode $corrupt_ino"
+# The corrupt inode should be tripped over during these initial file creates.
+touch $SCRATCH_MNT/file{0,1,2,3,4,5}{0,1,2,3,4,5} 2>&1 | _filter_scratch
+# success, all done
diff --git a/tests/xfs/132.out b/tests/xfs/132.out
new file mode 100644 (file)
index 0000000..3a86ec3
--- /dev/null
@@ -0,0 +1,26 @@
+QA output created by 132
+core.mode = 0100644
+touch: cannot touch 'SCRATCH_MNT/file20': Structure needs cleaning
+touch: cannot touch 'SCRATCH_MNT/file21': Input/output error
+touch: cannot touch 'SCRATCH_MNT/file22': Input/output error
+touch: cannot touch 'SCRATCH_MNT/file23': Input/output error
+touch: cannot touch 'SCRATCH_MNT/file24': Input/output error
+touch: cannot touch 'SCRATCH_MNT/file25': Input/output error
+touch: cannot touch 'SCRATCH_MNT/file30': Input/output error
+touch: cannot touch 'SCRATCH_MNT/file31': Input/output error
+touch: cannot touch 'SCRATCH_MNT/file32': Input/output error
+touch: cannot touch 'SCRATCH_MNT/file33': Input/output error
+touch: cannot touch 'SCRATCH_MNT/file34': Input/output error
+touch: cannot touch 'SCRATCH_MNT/file35': Input/output error
+touch: cannot touch 'SCRATCH_MNT/file40': Input/output error
+touch: cannot touch 'SCRATCH_MNT/file41': Input/output error
+touch: cannot touch 'SCRATCH_MNT/file42': Input/output error
+touch: cannot touch 'SCRATCH_MNT/file43': Input/output error
+touch: cannot touch 'SCRATCH_MNT/file44': Input/output error
+touch: cannot touch 'SCRATCH_MNT/file45': Input/output error
+touch: cannot touch 'SCRATCH_MNT/file50': Input/output error
+touch: cannot touch 'SCRATCH_MNT/file51': Input/output error
+touch: cannot touch 'SCRATCH_MNT/file52': Input/output error
+touch: cannot touch 'SCRATCH_MNT/file53': Input/output error
+touch: cannot touch 'SCRATCH_MNT/file54': Input/output error
+touch: cannot touch 'SCRATCH_MNT/file55': Input/output error
index 66728e369f4e0a360e7aca5a9e9e9f60e05d1dd9..e8c802c96093005ce8a5c3e5f0f098a8b3238eb5 100644 (file)
 129 auto quick clone
 130 fuzzers clone
 131 auto quick clone
+132 auto quick
 133 dangerous_fuzzers
 134 dangerous_fuzzers
 135 auto logprint quick v2log