xfs: create fuzz tests for metadata directories

Create fuzz tests to make sure that all the validation works for
metadata directories and subdirectories.  The metadir fuzzer tests are
tagged 'realtime' to force creation of an interesting metadata directory
tree full of rtgroups inodes.

Signed-off-by: "Darrick J. Wong" <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Zorro Lang <zlang@kernel.org>

diff --git a/common/xfs b/common/xfs
index eb4d99c91a8019b341547c49ffd43429baf74b23..771ef90633c6dedc492caa0c5a9efd7f0fa4306d 100644 (file)
--- a/common/xfs
+++ b/common/xfs
@@ -1956,3 +1956,25 @@ _xfs_calc_hidden_quota_files() {
                echo 0
        fi
 }
+
+_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/807 b/tests/xfs/807
new file mode 100755 (executable)
index 0000000..39c7e51
--- /dev/null
+++ b/tests/xfs/807
@@ -0,0 +1,34 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright (c) 2022-2025 Oracle.  All Rights Reserved.
+#
+# FS QA Test No. 807
+#
+# Populate a XFS filesystem and fuzz every metadir root field.
+# Use xfs_scrub to fix the corruption.
+
+. ./common/preamble
+_begin_fstest dangerous_fuzzers scrub fuzzers_online_repair realtime
+
+_register_cleanup "_cleanup" BUS
+
+. ./common/filter
+. ./common/populate
+. ./common/fuzzy
+
+_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/807.out b/tests/xfs/807.out
new file mode 100644 (file)
index 0000000..0eb5521
--- /dev/null
+++ b/tests/xfs/807.out
@@ -0,0 +1,4 @@
+QA output created by 807
+Format and populate
+Fuzz metadir root
+Done fuzzing metadir root

diff --git a/tests/xfs/808 b/tests/xfs/808
new file mode 100755 (executable)
index 0000000..d2894c8
--- /dev/null
+++ b/tests/xfs/808
@@ -0,0 +1,34 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright (c) 2022-2025 Oracle.  All Rights Reserved.
+#
+# FS QA Test No. 808
+#
+# Populate a XFS filesystem and fuzz every metadir root field.
+# Use xfs_repair to fix the corruption.
+
+. ./common/preamble
+_begin_fstest dangerous_fuzzers repair fuzzers_repair realtime
+
+_register_cleanup "_cleanup" BUS
+
+. ./common/filter
+. ./common/populate
+. ./common/fuzzy
+
+_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/808.out b/tests/xfs/808.out
new file mode 100644 (file)
index 0000000..4e34e3c
--- /dev/null
+++ b/tests/xfs/808.out
@@ -0,0 +1,4 @@
+QA output created by 808
+Format and populate
+Fuzz metadir root
+Done fuzzing metadir root

diff --git a/tests/xfs/809 b/tests/xfs/809
new file mode 100755 (executable)
index 0000000..80dd929
--- /dev/null
+++ b/tests/xfs/809
@@ -0,0 +1,34 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright (c) 2022-2025 Oracle.  All Rights Reserved.
+#
+# FS QA Test No. 809
+#
+# 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 fuzzers_norepair realtime
+
+_register_cleanup "_cleanup" BUS
+
+. ./common/filter
+. ./common/populate
+. ./common/fuzzy
+
+_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/809.out b/tests/xfs/809.out
new file mode 100644 (file)
index 0000000..953d5a6
--- /dev/null
+++ b/tests/xfs/809.out
@@ -0,0 +1,4 @@
+QA output created by 809
+Format and populate
+Fuzz metadir root
+Done fuzzing metadir root

diff --git a/tests/xfs/810 b/tests/xfs/810
new file mode 100755 (executable)
index 0000000..5ffb8be
--- /dev/null
+++ b/tests/xfs/810
@@ -0,0 +1,35 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright (c) 2022-2025 Oracle.  All Rights Reserved.
+#
+# FS QA Test No. 810
+#
+# 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 scrub repair fuzzers_bothrepair realtime
+
+_register_cleanup "_cleanup" BUS
+
+. ./common/filter
+. ./common/populate
+. ./common/fuzzy
+
+_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/810.out b/tests/xfs/810.out
new file mode 100644 (file)
index 0000000..014d117
--- /dev/null
+++ b/tests/xfs/810.out
@@ -0,0 +1,4 @@
+QA output created by 810
+Format and populate
+Fuzz metadir root
+Done fuzzing metadir root

diff --git a/tests/xfs/811 b/tests/xfs/811
new file mode 100755 (executable)
index 0000000..7455d95
--- /dev/null
+++ b/tests/xfs/811
@@ -0,0 +1,34 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright (c) 2022-2025 Oracle.  All Rights Reserved.
+#
+# FS QA Test No. 811
+#
+# Populate a XFS filesystem and fuzz every metadir subdir field.
+# Use xfs_scrub to fix the corruption.
+
+. ./common/preamble
+_begin_fstest dangerous_fuzzers scrub fuzzers_online_repair realtime
+
+_register_cleanup "_cleanup" BUS
+
+. ./common/filter
+. ./common/populate
+. ./common/fuzzy
+
+_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 /rtgroups')
+
+echo "Fuzz metadir subdir"
+_scratch_xfs_fuzz_metadata '' 'online' 'path -m /rtgroups' >> $seqres.full
+echo "Done fuzzing metadir subdir"
+
+# success, all done
+status=0
+exit

diff --git a/tests/xfs/811.out b/tests/xfs/811.out
new file mode 100644 (file)
index 0000000..071c04b
--- /dev/null
+++ b/tests/xfs/811.out
@@ -0,0 +1,4 @@
+QA output created by 811
+Format and populate
+Fuzz metadir subdir
+Done fuzzing metadir subdir

diff --git a/tests/xfs/812 b/tests/xfs/812
new file mode 100755 (executable)
index 0000000..daa119d
--- /dev/null
+++ b/tests/xfs/812
@@ -0,0 +1,34 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright (c) 2022-2025 Oracle.  All Rights Reserved.
+#
+# FS QA Test No. 812
+#
+# Populate a XFS filesystem and fuzz every metadir subdir field.
+# Use xfs_repair to fix the corruption.
+
+. ./common/preamble
+_begin_fstest dangerous_fuzzers repair fuzzers_repair realtime
+
+_register_cleanup "_cleanup" BUS
+
+. ./common/filter
+. ./common/populate
+. ./common/fuzzy
+
+_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 /rtgroups')
+
+echo "Fuzz metadir subdir"
+_scratch_xfs_fuzz_metadata '' 'offline' 'path -m /rtgroups' >> $seqres.full
+echo "Done fuzzing metadir subdir"
+
+# success, all done
+status=0
+exit

diff --git a/tests/xfs/812.out b/tests/xfs/812.out
new file mode 100644 (file)
index 0000000..653456e
--- /dev/null
+++ b/tests/xfs/812.out
@@ -0,0 +1,4 @@
+QA output created by 812
+Format and populate
+Fuzz metadir subdir
+Done fuzzing metadir subdir

diff --git a/tests/xfs/813 b/tests/xfs/813
new file mode 100755 (executable)
index 0000000..97fc53e
--- /dev/null
+++ b/tests/xfs/813
@@ -0,0 +1,34 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright (c) 2022-2025 Oracle.  All Rights Reserved.
+#
+# FS QA Test No. 813
+#
+# 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 fuzzers_norepair realtime
+
+_register_cleanup "_cleanup" BUS
+
+. ./common/filter
+. ./common/populate
+. ./common/fuzzy
+
+_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 /rtgroups')
+
+echo "Fuzz metadir subdir"
+_scratch_xfs_fuzz_metadata '' 'none' 'path -m /rtgroups' >> $seqres.full
+echo "Done fuzzing metadir subdir"
+
+# success, all done
+status=0
+exit

diff --git a/tests/xfs/813.out b/tests/xfs/813.out
new file mode 100644 (file)
index 0000000..15c7a42
--- /dev/null
+++ b/tests/xfs/813.out
@@ -0,0 +1,4 @@
+QA output created by 813
+Format and populate
+Fuzz metadir subdir
+Done fuzzing metadir subdir

diff --git a/tests/xfs/814 b/tests/xfs/814
new file mode 100755 (executable)
index 0000000..9394e80
--- /dev/null
+++ b/tests/xfs/814
@@ -0,0 +1,35 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright (c) 2022-2025 Oracle.  All Rights Reserved.
+#
+# FS QA Test No. 814
+#
+# 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 scrub repair fuzzers_bothrepair realtime
+
+_register_cleanup "_cleanup" BUS
+
+. ./common/filter
+. ./common/populate
+. ./common/fuzzy
+
+_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 /rtgroups')
+
+echo "Fuzz metadir subdir"
+_scratch_xfs_fuzz_metadata '' 'both' 'path -m /rtgroups' >> $seqres.full
+echo "Done fuzzing metadir subdir"
+
+# success, all done
+status=0
+exit

diff --git a/tests/xfs/814.out b/tests/xfs/814.out
new file mode 100644 (file)
index 0000000..3cdacd5
--- /dev/null
+++ b/tests/xfs/814.out
@@ -0,0 +1,4 @@
+QA output created by 814
+Format and populate
+Fuzz metadir subdir
+Done fuzzing metadir subdir