[PATCH 9/9] xfs: create fuzz tests for metadata directories

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From: Darrick J. Wong <djwong@xxxxxxxxxx>

Create fuzz tests to make sure that all the validation works for
metadata directories and subdirectories.

Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
---
 common/xfs         |   22 ++++++++++++++++++++++
 tests/xfs/1546     |   37 +++++++++++++++++++++++++++++++++++++
 tests/xfs/1546.out |    4 ++++
 tests/xfs/1547     |   37 +++++++++++++++++++++++++++++++++++++
 tests/xfs/1547.out |    4 ++++
 tests/xfs/1548     |   37 +++++++++++++++++++++++++++++++++++++
 tests/xfs/1548.out |    4 ++++
 tests/xfs/1549     |   38 ++++++++++++++++++++++++++++++++++++++
 tests/xfs/1549.out |    4 ++++
 tests/xfs/1550     |   37 +++++++++++++++++++++++++++++++++++++
 tests/xfs/1550.out |    4 ++++
 tests/xfs/1551     |   37 +++++++++++++++++++++++++++++++++++++
 tests/xfs/1551.out |    4 ++++
 tests/xfs/1552     |   37 +++++++++++++++++++++++++++++++++++++
 tests/xfs/1552.out |    4 ++++
 tests/xfs/1553     |   38 ++++++++++++++++++++++++++++++++++++++
 tests/xfs/1553.out |    4 ++++
 17 files changed, 352 insertions(+)
 create mode 100755 tests/xfs/1546
 create mode 100644 tests/xfs/1546.out
 create mode 100755 tests/xfs/1547
 create mode 100644 tests/xfs/1547.out
 create mode 100755 tests/xfs/1548
 create mode 100644 tests/xfs/1548.out
 create mode 100755 tests/xfs/1549
 create mode 100644 tests/xfs/1549.out
 create mode 100755 tests/xfs/1550
 create mode 100644 tests/xfs/1550.out
 create mode 100755 tests/xfs/1551
 create mode 100644 tests/xfs/1551.out
 create mode 100755 tests/xfs/1552
 create mode 100644 tests/xfs/1552.out
 create mode 100755 tests/xfs/1553
 create mode 100644 tests/xfs/1553.out


diff --git a/common/xfs b/common/xfs
index 99e377631b..77af8a6d60 100644
--- a/common/xfs
+++ b/common/xfs
@@ -1806,3 +1806,25 @@ _xfs_calc_metadir_files() {
 	local metafiles="$($XFS_IO_PROG -c 'bulkstat -m' "$mount" 2>&1 | grep '^bs_ino' | wc -l)"
 	echo $((metafiles - regfiles))
 }
+
+_require_xfs_mkfs_metadir()
+{
+	_scratch_mkfs_xfs_supported -m metadir=1 >/dev/null 2>&1 || \
+		_notrun "mkfs.xfs doesn't have metadir features"
+}
+
+_require_xfs_scratch_metadir()
+{
+	_require_xfs_mkfs_metadir
+	_require_scratch
+
+	_scratch_mkfs -m metadir=1 &> /dev/null
+	_require_scratch_xfs_features METADIR
+	_try_scratch_mount
+	res=$?
+	if [ $res -ne 0 ]; then
+		_notrun "mounting with metadir not supported by filesystem type: $FSTYP"
+	else
+		_scratch_unmount
+	fi
+}
diff --git a/tests/xfs/1546 b/tests/xfs/1546
new file mode 100755
index 0000000000..5b48463abe
--- /dev/null
+++ b/tests/xfs/1546
@@ -0,0 +1,37 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright (c) 2022 Oracle.  All Rights Reserved.
+#
+# FS QA Test No. 1546
+#
+# Populate a XFS filesystem and fuzz every metadir root field.
+# Use xfs_scrub to fix the corruption.
+
+. ./common/preamble
+_begin_fstest dangerous_fuzzers dangerous_scrub dangerous_online_repair
+
+_register_cleanup "_cleanup" BUS
+
+# Import common functions.
+. ./common/filter
+. ./common/populate
+. ./common/fuzzy
+
+# real QA test starts here
+_supported_fs xfs
+_require_xfs_scratch_metadir
+_require_scratch_xfs_fuzz_fields
+_disable_dmesg_check
+
+echo "Format and populate"
+_scratch_populate_cached nofill > $seqres.full 2>&1
+
+inode_ver=$(_scratch_xfs_get_metadata_field "core.version" 'path -m /')
+
+echo "Fuzz metadir root"
+_scratch_xfs_fuzz_metadata '' 'online' 'path -m /' >> $seqres.full
+echo "Done fuzzing metadir root"
+
+# success, all done
+status=0
+exit
diff --git a/tests/xfs/1546.out b/tests/xfs/1546.out
new file mode 100644
index 0000000000..b72891a758
--- /dev/null
+++ b/tests/xfs/1546.out
@@ -0,0 +1,4 @@
+QA output created by 1546
+Format and populate
+Fuzz metadir root
+Done fuzzing metadir root
diff --git a/tests/xfs/1547 b/tests/xfs/1547
new file mode 100755
index 0000000000..ff86bc657e
--- /dev/null
+++ b/tests/xfs/1547
@@ -0,0 +1,37 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright (c) 2022 Oracle.  All Rights Reserved.
+#
+# FS QA Test No. 1547
+#
+# Populate a XFS filesystem and fuzz every metadir root field.
+# Use xfs_repair to fix the corruption.
+
+. ./common/preamble
+_begin_fstest dangerous_fuzzers dangerous_scrub dangerous_repair
+
+_register_cleanup "_cleanup" BUS
+
+# Import common functions.
+. ./common/filter
+. ./common/populate
+. ./common/fuzzy
+
+# real QA test starts here
+_supported_fs xfs
+_require_xfs_scratch_metadir
+_require_scratch_xfs_fuzz_fields
+_disable_dmesg_check
+
+echo "Format and populate"
+_scratch_populate_cached nofill > $seqres.full 2>&1
+
+inode_ver=$(_scratch_xfs_get_metadata_field "core.version" 'path -m /')
+
+echo "Fuzz metadir root"
+_scratch_xfs_fuzz_metadata '' 'offline' 'path -m /' >> $seqres.full
+echo "Done fuzzing metadir root"
+
+# success, all done
+status=0
+exit
diff --git a/tests/xfs/1547.out b/tests/xfs/1547.out
new file mode 100644
index 0000000000..983cc01343
--- /dev/null
+++ b/tests/xfs/1547.out
@@ -0,0 +1,4 @@
+QA output created by 1547
+Format and populate
+Fuzz metadir root
+Done fuzzing metadir root
diff --git a/tests/xfs/1548 b/tests/xfs/1548
new file mode 100755
index 0000000000..1f29dfda3b
--- /dev/null
+++ b/tests/xfs/1548
@@ -0,0 +1,37 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright (c) 2022 Oracle.  All Rights Reserved.
+#
+# FS QA Test No. 1548
+#
+# Populate a XFS filesystem and fuzz every metadir root field.
+# Do not fix the filesystem, to test metadata verifiers.
+
+. ./common/preamble
+_begin_fstest dangerous_fuzzers dangerous_norepair
+
+_register_cleanup "_cleanup" BUS
+
+# Import common functions.
+. ./common/filter
+. ./common/populate
+. ./common/fuzzy
+
+# real QA test starts here
+_supported_fs xfs
+_require_xfs_scratch_metadir
+_require_scratch_xfs_fuzz_fields
+_disable_dmesg_check
+
+echo "Format and populate"
+_scratch_populate_cached nofill > $seqres.full 2>&1
+
+inode_ver=$(_scratch_xfs_get_metadata_field "core.version" 'path -m /')
+
+echo "Fuzz metadir root"
+_scratch_xfs_fuzz_metadata '' 'none' 'path -m /' >> $seqres.full
+echo "Done fuzzing metadir root"
+
+# success, all done
+status=0
+exit
diff --git a/tests/xfs/1548.out b/tests/xfs/1548.out
new file mode 100644
index 0000000000..9e395bb059
--- /dev/null
+++ b/tests/xfs/1548.out
@@ -0,0 +1,4 @@
+QA output created by 1548
+Format and populate
+Fuzz metadir root
+Done fuzzing metadir root
diff --git a/tests/xfs/1549 b/tests/xfs/1549
new file mode 100755
index 0000000000..865023f218
--- /dev/null
+++ b/tests/xfs/1549
@@ -0,0 +1,38 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright (c) 2022 Oracle.  All Rights Reserved.
+#
+# FS QA Test No. 1549
+#
+# Populate a XFS filesystem and fuzz every metadir root field.
+# Try online repair and, if necessary, offline repair,
+# to test the most likely usage pattern.
+
+. ./common/preamble
+_begin_fstest dangerous_fuzzers dangerous_bothrepair
+
+_register_cleanup "_cleanup" BUS
+
+# Import common functions.
+. ./common/filter
+. ./common/populate
+. ./common/fuzzy
+
+# real QA test starts here
+_supported_fs xfs
+_require_xfs_scratch_metadir
+_require_scratch_xfs_fuzz_fields
+_disable_dmesg_check
+
+echo "Format and populate"
+_scratch_populate_cached nofill > $seqres.full 2>&1
+
+inode_ver=$(_scratch_xfs_get_metadata_field "core.version" 'path -m /')
+
+echo "Fuzz metadir root"
+_scratch_xfs_fuzz_metadata '' 'both' 'path -m /' >> $seqres.full
+echo "Done fuzzing metadir root"
+
+# success, all done
+status=0
+exit
diff --git a/tests/xfs/1549.out b/tests/xfs/1549.out
new file mode 100644
index 0000000000..22b3d215e3
--- /dev/null
+++ b/tests/xfs/1549.out
@@ -0,0 +1,4 @@
+QA output created by 1549
+Format and populate
+Fuzz metadir root
+Done fuzzing metadir root
diff --git a/tests/xfs/1550 b/tests/xfs/1550
new file mode 100755
index 0000000000..62219e65fc
--- /dev/null
+++ b/tests/xfs/1550
@@ -0,0 +1,37 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright (c) 2022 Oracle.  All Rights Reserved.
+#
+# FS QA Test No. 1550
+#
+# Populate a XFS filesystem and fuzz every metadir subdir field.
+# Use xfs_scrub to fix the corruption.
+
+. ./common/preamble
+_begin_fstest dangerous_fuzzers dangerous_scrub dangerous_online_repair
+
+_register_cleanup "_cleanup" BUS
+
+# Import common functions.
+. ./common/filter
+. ./common/populate
+. ./common/fuzzy
+
+# real QA test starts here
+_supported_fs xfs
+_require_xfs_scratch_metadir
+_require_scratch_xfs_fuzz_fields
+_disable_dmesg_check
+
+echo "Format and populate"
+_scratch_populate_cached nofill > $seqres.full 2>&1
+
+inode_ver=$(_scratch_xfs_get_metadata_field "core.version" 'path -m /realtime')
+
+echo "Fuzz metadir subdir"
+_scratch_xfs_fuzz_metadata '' 'online' 'path -m /realtime' >> $seqres.full
+echo "Done fuzzing metadir subdir"
+
+# success, all done
+status=0
+exit
diff --git a/tests/xfs/1550.out b/tests/xfs/1550.out
new file mode 100644
index 0000000000..7694cd670b
--- /dev/null
+++ b/tests/xfs/1550.out
@@ -0,0 +1,4 @@
+QA output created by 1550
+Format and populate
+Fuzz metadir subdir
+Done fuzzing metadir subdir
diff --git a/tests/xfs/1551 b/tests/xfs/1551
new file mode 100755
index 0000000000..f101529364
--- /dev/null
+++ b/tests/xfs/1551
@@ -0,0 +1,37 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright (c) 2022 Oracle.  All Rights Reserved.
+#
+# FS QA Test No. 1551
+#
+# Populate a XFS filesystem and fuzz every metadir subdir field.
+# Use xfs_repair to fix the corruption.
+
+. ./common/preamble
+_begin_fstest dangerous_fuzzers dangerous_scrub dangerous_repair
+
+_register_cleanup "_cleanup" BUS
+
+# Import common functions.
+. ./common/filter
+. ./common/populate
+. ./common/fuzzy
+
+# real QA test starts here
+_supported_fs xfs
+_require_xfs_scratch_metadir
+_require_scratch_xfs_fuzz_fields
+_disable_dmesg_check
+
+echo "Format and populate"
+_scratch_populate_cached nofill > $seqres.full 2>&1
+
+inode_ver=$(_scratch_xfs_get_metadata_field "core.version" 'path -m /realtime')
+
+echo "Fuzz metadir subdir"
+_scratch_xfs_fuzz_metadata '' 'offline' 'path -m /realtime' >> $seqres.full
+echo "Done fuzzing metadir subdir"
+
+# success, all done
+status=0
+exit
diff --git a/tests/xfs/1551.out b/tests/xfs/1551.out
new file mode 100644
index 0000000000..4c3360d08b
--- /dev/null
+++ b/tests/xfs/1551.out
@@ -0,0 +1,4 @@
+QA output created by 1551
+Format and populate
+Fuzz metadir subdir
+Done fuzzing metadir subdir
diff --git a/tests/xfs/1552 b/tests/xfs/1552
new file mode 100755
index 0000000000..ab3b89ec40
--- /dev/null
+++ b/tests/xfs/1552
@@ -0,0 +1,37 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright (c) 2022 Oracle.  All Rights Reserved.
+#
+# FS QA Test No. 1552
+#
+# Populate a XFS filesystem and fuzz every metadir subdir field.
+# Do not fix the filesystem, to test metadata verifiers.
+
+. ./common/preamble
+_begin_fstest dangerous_fuzzers dangerous_norepair
+
+_register_cleanup "_cleanup" BUS
+
+# Import common functions.
+. ./common/filter
+. ./common/populate
+. ./common/fuzzy
+
+# real QA test starts here
+_supported_fs xfs
+_require_xfs_scratch_metadir
+_require_scratch_xfs_fuzz_fields
+_disable_dmesg_check
+
+echo "Format and populate"
+_scratch_populate_cached nofill > $seqres.full 2>&1
+
+inode_ver=$(_scratch_xfs_get_metadata_field "core.version" 'path -m /realtime')
+
+echo "Fuzz metadir subdir"
+_scratch_xfs_fuzz_metadata '' 'none' 'path -m /realtime' >> $seqres.full
+echo "Done fuzzing metadir subdir"
+
+# success, all done
+status=0
+exit
diff --git a/tests/xfs/1552.out b/tests/xfs/1552.out
new file mode 100644
index 0000000000..6636b1b656
--- /dev/null
+++ b/tests/xfs/1552.out
@@ -0,0 +1,4 @@
+QA output created by 1552
+Format and populate
+Fuzz metadir subdir
+Done fuzzing metadir subdir
diff --git a/tests/xfs/1553 b/tests/xfs/1553
new file mode 100755
index 0000000000..6acbacbe16
--- /dev/null
+++ b/tests/xfs/1553
@@ -0,0 +1,38 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright (c) 2022 Oracle.  All Rights Reserved.
+#
+# FS QA Test No. 1553
+#
+# Populate a XFS filesystem and fuzz every metadir subdir field.
+# Try online repair and, if necessary, offline repair,
+# to test the most likely usage pattern.
+
+. ./common/preamble
+_begin_fstest dangerous_fuzzers dangerous_bothrepair
+
+_register_cleanup "_cleanup" BUS
+
+# Import common functions.
+. ./common/filter
+. ./common/populate
+. ./common/fuzzy
+
+# real QA test starts here
+_supported_fs xfs
+_require_xfs_scratch_metadir
+_require_scratch_xfs_fuzz_fields
+_disable_dmesg_check
+
+echo "Format and populate"
+_scratch_populate_cached nofill > $seqres.full 2>&1
+
+inode_ver=$(_scratch_xfs_get_metadata_field "core.version" 'path -m /realtime')
+
+echo "Fuzz metadir subdir"
+_scratch_xfs_fuzz_metadata '' 'both' 'path -m /realtime' >> $seqres.full
+echo "Done fuzzing metadir subdir"
+
+# success, all done
+status=0
+exit
diff --git a/tests/xfs/1553.out b/tests/xfs/1553.out
new file mode 100644
index 0000000000..0298fcfddb
--- /dev/null
+++ b/tests/xfs/1553.out
@@ -0,0 +1,4 @@
+QA output created by 1553
+Format and populate
+Fuzz metadir subdir
+Done fuzzing metadir subdir




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