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From: "Darrick J. Wong" <djwong@kernel.org>
To: aalbersh@redhat.com, zlang@redhat.com, ebiggers@kernel.org,
	djwong@kernel.org
Cc: Andrey Albershteyn <andrey.albershteyn@gmail.com>,
	fsverity@lists.linux.dev, linux-fsdevel@vger.kernel.org,
	guan@eryu.me, linux-xfs@vger.kernel.org, fstests@vger.kernel.org
Subject: [PATCH 1/6] common/verity: enable fsverity for XFS
Date: Mon, 29 Apr 2024 20:41:03 -0700	[thread overview]
Message-ID: <171444687994.962488.5112127418406573234.stgit@frogsfrogsfrogs> (raw)
In-Reply-To: <171444687971.962488.18035230926224414854.stgit@frogsfrogsfrogs>

From: Andrey Albershteyn <aalbersh@redhat.com>

XFS supports verity and can be enabled for -g verity group.

Signed-off-by: Andrey Albershteyn <andrey.albershteyn@gmail.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
---
 common/verity |   39 +++++++++++++++++++++++++++++++++++++--
 1 file changed, 37 insertions(+), 2 deletions(-)


diff --git a/common/verity b/common/verity
index 59b67e1201..20408c8c0e 100644
--- a/common/verity
+++ b/common/verity
@@ -43,7 +43,16 @@ _require_scratch_verity()
 
 	# The filesystem may be aware of fs-verity but have it disabled by
 	# CONFIG_FS_VERITY=n.  Detect support via sysfs.
-	if [ ! -e /sys/fs/$fstyp/features/verity ]; then
+	case $FSTYP in
+	xfs)
+		_scratch_unmount
+		_check_scratch_xfs_features VERITY &>>$seqres.full
+		_scratch_mount
+	;;
+	*)
+		test -e /sys/fs/$fstyp/features/verity
+	esac
+	if [ ! $? ]; then
 		_notrun "kernel $fstyp isn't configured with verity support"
 	fi
 
@@ -201,6 +210,9 @@ _scratch_mkfs_verity()
 	ext4|f2fs)
 		_scratch_mkfs -O verity
 		;;
+	xfs)
+		_scratch_mkfs -i verity
+		;;
 	btrfs)
 		_scratch_mkfs
 		;;
@@ -334,12 +346,19 @@ _fsv_scratch_corrupt_bytes()
 	local lstart lend pstart pend
 	local dd_cmds=()
 	local cmd
+	local device=$SCRATCH_DEV
 
 	sync	# Sync to avoid unwritten extents
 
 	cat > $tmp.bytes
 	local end=$(( offset + $(_get_filesize $tmp.bytes ) ))
 
+	# If this is an xfs realtime file, switch @device to the rt device
+	if [ $FSTYP = "xfs" ]; then
+		$XFS_IO_PROG -r -c 'stat -v' "$file" | grep -q -w realtime && \
+			device=$SCRATCH_RTDEV
+	fi
+
 	# For each extent that intersects the requested range in order, add a
 	# command that writes the next part of the data to that extent.
 	while read -r lstart lend pstart pend; do
@@ -355,7 +374,7 @@ _fsv_scratch_corrupt_bytes()
 		elif (( offset < lend )); then
 			local len=$((lend - offset))
 			local seek=$((pstart + (offset - lstart)))
-			dd_cmds+=("head -c $len | dd of=$SCRATCH_DEV oflag=seek_bytes seek=$seek status=none")
+			dd_cmds+=("head -c $len | dd of=$device oflag=seek_bytes seek=$seek status=none")
 			(( offset += len ))
 		fi
 	done < <($XFS_IO_PROG -r -c "fiemap $offset $((end - offset))" "$file" \
@@ -408,6 +427,22 @@ _fsv_scratch_corrupt_merkle_tree()
 		done
 		_scratch_mount
 		;;
+	xfs)
+		local ino=$(stat -c '%i' $file)
+		local attr_offset=$(( $offset % $FSV_BLOCK_SIZE ))
+		local attr_index=$(printf "%08d" $(( offset - attr_offset )))
+		_scratch_unmount
+		# Attribute name is 8 bytes long (byte position of Merkle tree block)
+		_scratch_xfs_db -x -c "inode $ino" \
+			-c "attr_modify -f -m 8 -o $attr_offset $attr_index \"BUG\"" \
+			-c "ablock 0" -c "print" \
+			>>$seqres.full
+		# In case bsize == 4096 and merkle block size == 1024, by
+		# modifying attribute with 'attr_modify we can corrupt quota
+		# account. Let's repair it
+		_scratch_xfs_repair >> $seqres.full 2>&1
+		_scratch_mount
+		;;
 	*)
 		_fail "_fsv_scratch_corrupt_merkle_tree() unimplemented on $FSTYP"
 		;;


  reply	other threads:[~2024-04-30  3:41 UTC|newest]

Thread overview: 165+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-30  3:11 [PATCHBOMB v5.6] fs-verity support for XFS Darrick J. Wong
2024-04-30  3:18 ` [PATCHSET v5.6 1/2] fs-verity: support merkle tree access by blocks Darrick J. Wong
2024-04-30  3:19   ` [PATCH 01/18] fs: add FS_XFLAG_VERITY for verity files Darrick J. Wong
2024-04-30  3:19   ` [PATCH 02/18] fsverity: pass tree_blocksize to end_enable_verity() Darrick J. Wong
2024-04-30  3:20   ` [PATCH 03/18] fsverity: convert verification to use byte instead of page offsets Darrick J. Wong
2024-05-01  7:33     ` Christoph Hellwig
2024-05-01 22:33       ` Darrick J. Wong
2024-05-02  0:42         ` Eric Biggers
2024-05-08 20:14           ` Darrick J. Wong
2024-04-30  3:20   ` [PATCH 04/18] fsverity: support block-based Merkle tree caching Darrick J. Wong
2024-05-01  7:36     ` Christoph Hellwig
2024-05-01 22:35       ` Darrick J. Wong
2024-05-02  4:42         ` Christoph Hellwig
2024-05-15  2:16           ` Eric Biggers
2024-04-30  3:20   ` [PATCH 05/18] fsverity: pass the merkle tree block level to fsverity_read_merkle_tree_block Darrick J. Wong
2024-04-30  3:20   ` [PATCH 06/18] fsverity: add per-sb workqueue for post read processing Darrick J. Wong
2024-04-30  3:21   ` [PATCH 07/18] fsverity: add tracepoints Darrick J. Wong
2024-04-30  3:21   ` [PATCH 08/18] fsverity: pass the new tree size and block size to ->begin_enable_verity Darrick J. Wong
2024-04-30  3:21   ` [PATCH 09/18] fsverity: expose merkle tree geometry to callers Darrick J. Wong
2024-04-30  3:22   ` [PATCH 10/18] fsverity: box up the write_merkle_tree_block parameters too Darrick J. Wong
2024-04-30  3:22   ` [PATCH 11/18] fsverity: pass the zero-hash value to the implementation Darrick J. Wong
2024-04-30  3:22   ` [PATCH 12/18] fsverity: report validation errors back to the filesystem Darrick J. Wong
2024-04-30  3:22   ` [PATCH 13/18] fsverity: pass super_block to fsverity_enqueue_verify_work Darrick J. Wong
2024-04-30  3:23   ` [PATCH 14/18] ext4: use a per-superblock fsverity workqueue Darrick J. Wong
2024-04-30  3:23   ` [PATCH 15/18] f2fs: " Darrick J. Wong
2024-04-30  3:23   ` [PATCH 16/18] btrfs: " Darrick J. Wong
2024-04-30  3:23   ` [PATCH 17/18] fsverity: remove system-wide workqueue Darrick J. Wong
2024-04-30  3:24   ` [PATCH 18/18] iomap: integrate fs-verity verification into iomap's read path Darrick J. Wong
2024-05-01  7:10     ` Christoph Hellwig
2024-05-01 22:37       ` Darrick J. Wong
2024-04-30  3:18 ` [PATCHSET v5.6 2/2] xfs: fs-verity support Darrick J. Wong
2024-04-30  3:24   ` [PATCH 01/26] xfs: use unsigned ints for non-negative quantities in xfs_attr_remote.c Darrick J. Wong
2024-05-01  6:55     ` Christoph Hellwig
2024-05-01 22:39       ` Darrick J. Wong
2024-05-02  4:56         ` Christoph Hellwig
2024-05-02  5:56         ` Chandan Babu R
2024-05-02  6:34           ` Christoph Hellwig
2024-04-30  3:24   ` [PATCH 02/26] xfs: turn XFS_ATTR3_RMT_BUF_SPACE into a function Darrick J. Wong
2024-05-01  6:55     ` Christoph Hellwig
2024-04-30  3:24   ` [PATCH 03/26] xfs: create a helper to compute the blockcount of a max sized remote value Darrick J. Wong
2024-05-01  6:56     ` Christoph Hellwig
2024-04-30  3:25   ` [PATCH 04/26] xfs: minor cleanups of xfs_attr3_rmt_blocks Darrick J. Wong
2024-05-01  6:56     ` Christoph Hellwig
2024-04-30  3:25   ` [PATCH 05/26] xfs: use an empty transaction to protect xfs_attr_get from deadlocks Darrick J. Wong
2024-05-01  6:57     ` Christoph Hellwig
2024-05-01 22:42       ` Darrick J. Wong
2024-04-30  3:25   ` [PATCH 06/26] xfs: add attribute type for fs-verity Darrick J. Wong
2024-04-30  3:25   ` [PATCH 07/26] xfs: do not use xfs_attr3_rmt_hdr for remote verity value blocks Darrick J. Wong
2024-04-30  3:26   ` [PATCH 08/26] xfs: add fs-verity ro-compat flag Darrick J. Wong
2024-04-30  3:26   ` [PATCH 09/26] xfs: add inode on-disk VERITY flag Darrick J. Wong
2024-04-30  3:26   ` [PATCH 10/26] xfs: initialize fs-verity on file open and cleanup on inode destruction Darrick J. Wong
2024-04-30  3:26   ` [PATCH 11/26] xfs: don't allow to enable DAX on fs-verity sealed inode Darrick J. Wong
2024-04-30  3:27   ` [PATCH 12/26] xfs: disable direct read path for fs-verity files Darrick J. Wong
2024-04-30  3:27   ` [PATCH 13/26] xfs: widen flags argument to the xfs_iflags_* helpers Darrick J. Wong
2024-05-01  6:54     ` Christoph Hellwig
2024-05-01 22:44       ` Darrick J. Wong
2024-04-30  3:27   ` [PATCH 14/26] xfs: add fs-verity support Darrick J. Wong
2024-04-30  3:28   ` [PATCH 15/26] xfs: create a per-mount shrinker for verity inodes merkle tree blocks Darrick J. Wong
2024-04-30  3:28   ` [PATCH 16/26] xfs: shrink verity blob cache Darrick J. Wong
2024-04-30  3:28   ` [PATCH 17/26] xfs: don't store trailing zeroes of merkle tree blocks Darrick J. Wong
2024-04-30  3:28   ` [PATCH 18/26] xfs: use merkle tree offset as attr hash Darrick J. Wong
2024-05-01  6:53     ` Christoph Hellwig
2024-05-01  7:23       ` Christoph Hellwig
2024-05-07 21:24         ` Darrick J. Wong
2024-05-08 11:47           ` Christoph Hellwig
2024-05-08 20:26             ` Darrick J. Wong
2024-05-09  5:02               ` Christoph Hellwig
2024-05-09 20:02                 ` Darrick J. Wong
2024-05-10  5:08                   ` Christoph Hellwig
2024-05-10  6:20                     ` Christoph Hellwig
2024-05-17 17:17                       ` Darrick J. Wong
2024-05-20 12:39                         ` Christoph Hellwig
2024-05-20 16:02                           ` Darrick J. Wong
2024-05-22 14:37                             ` Christoph Hellwig
2024-05-22 18:29                               ` Eric Biggers
2024-05-31 21:28                                 ` Darrick J. Wong
2024-05-31 21:45                                   ` Eric Biggers
2024-05-09 17:46               ` Eric Biggers
2024-05-09 18:04                 ` Darrick J. Wong
2024-05-09 18:36                   ` Eric Biggers
2024-04-30  3:29   ` [PATCH 19/26] xfs: don't bother storing merkle tree blocks for zeroed data blocks Darrick J. Wong
2024-05-01  6:47     ` Christoph Hellwig
2024-05-01 22:47       ` Darrick J. Wong
2024-05-02  0:01         ` Eric Biggers
2024-05-08 20:26           ` Darrick J. Wong
2024-04-30  3:29   ` [PATCH 20/26] xfs: add fs-verity ioctls Darrick J. Wong
2024-04-30  3:29   ` [PATCH 21/26] xfs: advertise fs-verity being available on filesystem Darrick J. Wong
2024-04-30  3:29   ` [PATCH 22/26] xfs: check and repair the verity inode flag state Darrick J. Wong
2024-04-30  3:30   ` [PATCH 23/26] xfs: teach online repair to evaluate fsverity xattrs Darrick J. Wong
2024-04-30  3:30   ` [PATCH 24/26] xfs: report verity failures through the health system Darrick J. Wong
2024-04-30  3:30   ` [PATCH 25/26] xfs: make it possible to disable fsverity Darrick J. Wong
2024-05-01  6:48     ` Christoph Hellwig
2024-05-01 22:50       ` Darrick J. Wong
2024-05-02  0:15         ` Eric Biggers
2024-05-08 20:31           ` Darrick J. Wong
2024-05-09  5:04             ` Christoph Hellwig
2024-05-09 14:45               ` Darrick J. Wong
2024-05-09 15:06                 ` Christoph Hellwig
2024-05-09 15:09                   ` Darrick J. Wong
2024-05-09 15:13                     ` Christoph Hellwig
2024-05-09 15:43                       ` Darrick J. Wong
2024-05-17 19:36                         ` Theodore Ts'o
2024-04-30  3:30   ` [PATCH 26/26] xfs: enable ro-compat fs-verity flag Darrick J. Wong
2024-04-30  3:19 ` [PATCHSET v5.6] xfsprogs: fs-verity support for XFS Darrick J. Wong
2024-04-30  3:31   ` [PATCH 01/38] fs: add FS_XFLAG_VERITY for verity files Darrick J. Wong
2024-04-30  3:31   ` [PATCH 02/38] xfs: use unsigned ints for non-negative quantities in xfs_attr_remote.c Darrick J. Wong
2024-04-30  3:31   ` [PATCH 03/38] xfs: turn XFS_ATTR3_RMT_BUF_SPACE into a function Darrick J. Wong
2024-04-30  3:31   ` [PATCH 04/38] xfs: create a helper to compute the blockcount of a max sized remote value Darrick J. Wong
2024-04-30  3:32   ` [PATCH 05/38] xfs: minor cleanups of xfs_attr3_rmt_blocks Darrick J. Wong
2024-04-30  3:32   ` [PATCH 06/38] xfs: use an empty transaction to protect xfs_attr_get from deadlocks Darrick J. Wong
2024-04-30  3:32   ` [PATCH 07/38] xfs: add attribute type for fs-verity Darrick J. Wong
2024-04-30  3:32   ` [PATCH 08/38] xfs: do not use xfs_attr3_rmt_hdr for remote verity value blocks Darrick J. Wong
2024-04-30  3:33   ` [PATCH 09/38] xfs: add fs-verity ro-compat flag Darrick J. Wong
2024-04-30  3:33   ` [PATCH 10/38] xfs: add inode on-disk VERITY flag Darrick J. Wong
2024-04-30  3:33   ` [PATCH 11/38] xfs: add fs-verity support Darrick J. Wong
2024-04-30  3:34   ` [PATCH 12/38] xfs: use merkle tree offset as attr hash Darrick J. Wong
2024-04-30  3:34   ` [PATCH 13/38] xfs: advertise fs-verity being available on filesystem Darrick J. Wong
2024-04-30  3:34   ` [PATCH 14/38] xfs: report verity failures through the health system Darrick J. Wong
2024-04-30  3:34   ` [PATCH 15/38] xfs: enable ro-compat fs-verity flag Darrick J. Wong
2024-04-30  3:35   ` [PATCH 16/38] libfrog: add fsverity to xfs_report_geom output Darrick J. Wong
2024-04-30  3:35   ` [PATCH 17/38] xfs_db: introduce attr_modify command Darrick J. Wong
2024-04-30  3:35   ` [PATCH 18/38] xfs_db: add ATTR_PARENT support to " Darrick J. Wong
2024-04-30  3:35   ` [PATCH 19/38] xfs_db: make attr_set/remove/modify be able to handle fs-verity attrs Darrick J. Wong
2024-04-30  3:36   ` [PATCH 20/38] man: document attr_modify command Darrick J. Wong
2024-04-30  3:36   ` [PATCH 21/38] xfs_db: create hex string as a field type Darrick J. Wong
2024-04-30  3:36   ` [PATCH 22/38] xfs_db: dump verity features and metadata Darrick J. Wong
2024-04-30  3:36   ` [PATCH 23/38] xfs_db: dump merkle tree data Darrick J. Wong
2024-04-30  3:37   ` [PATCH 24/38] xfs_db: dump the verity descriptor Darrick J. Wong
2024-04-30  3:37   ` [PATCH 25/38] xfs_db: don't obfuscate verity xattrs Darrick J. Wong
2024-04-30  3:37   ` [PATCH 26/38] xfs_db: dump the inode verity flag Darrick J. Wong
2024-04-30  3:37   ` [PATCH 27/38] xfs_db: compute hashes of merkle tree blocks Darrick J. Wong
2024-04-30  3:38   ` [PATCH 28/38] xfs_repair: junk fsverity xattrs when unnecessary Darrick J. Wong
2024-04-30  3:38   ` [PATCH 29/38] xfs_repair: clear verity iflag when verity isn't supported Darrick J. Wong
2024-04-30  3:38   ` [PATCH 30/38] xfs_repair: handle verity remote attrs Darrick J. Wong
2024-04-30  3:38   ` [PATCH 31/38] xfs_repair: allow upgrading filesystems with verity Darrick J. Wong
2024-04-30  3:39   ` [PATCH 32/38] xfs_scrub: check verity file metadata Darrick J. Wong
2024-04-30  3:39   ` [PATCH 33/38] xfs_scrub: validate verity file contents when doing a media scan Darrick J. Wong
2024-04-30  3:39   ` [PATCH 34/38] xfs_scrub: use MADV_POPULATE_READ to check verity files Darrick J. Wong
2024-04-30  3:40   ` [PATCH 35/38] xfs_spaceman: report data corruption Darrick J. Wong
2024-04-30  3:40   ` [PATCH 36/38] xfs_io: report fsverity status via statx Darrick J. Wong
2024-04-30  3:40   ` [PATCH 37/38] xfs_io: create magic command to disable verity Darrick J. Wong
2024-04-30  3:40   ` [PATCH 38/38] mkfs.xfs: add verity parameter Darrick J. Wong
2024-04-30  3:19 ` [PATCHSET v5.6] fstests: fs-verity support for XFS Darrick J. Wong
2024-04-30  3:41   ` Darrick J. Wong [this message]
2024-04-30 12:39     ` [PATCH 1/6] common/verity: enable fsverity " Andrey Albershteyn
2024-04-30 15:35       ` Darrick J. Wong
2024-04-30  3:41   ` [PATCH 2/6] xfs/{021,122}: adapt to fsverity xattrs Darrick J. Wong
2024-04-30 12:46     ` Andrey Albershteyn
2024-04-30 15:36       ` Darrick J. Wong
2024-04-30  3:41   ` [PATCH 3/6] xfs/122: adapt to fsverity Darrick J. Wong
2024-04-30 12:45     ` Andrey Albershteyn
2024-04-30 15:37       ` Darrick J. Wong
2024-04-30  3:41   ` [PATCH 4/6] xfs: test xfs_scrub detection and correction of corrupt fsverity metadata Darrick J. Wong
2024-04-30 12:29     ` Andrey Albershteyn
2024-04-30 15:43       ` Darrick J. Wong
2024-04-30  3:42   ` [PATCH 5/6] xfs: test disabling fsverity Darrick J. Wong
2024-04-30 12:56     ` Andrey Albershteyn
2024-04-30 13:11     ` Andrey Albershteyn
2024-04-30 15:48       ` Darrick J. Wong
2024-04-30 18:06         ` Andrey Albershteyn
2024-04-30  3:42   ` [PATCH 6/6] common/populate: add verity files to populate xfs images Darrick J. Wong
2024-04-30 13:22     ` Andrey Albershteyn
2024-04-30 15:49       ` Darrick J. Wong
2024-05-11  5:01   ` [PATCHSET v5.6] fstests: fs-verity support for XFS Zorro Lang
2024-05-17 15:56     ` Darrick J. Wong

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