[19/20] xfs_repair: junk fsverity xattrs when unnecessary

Commit Message

Darrick J. Wong March 17, 2024, 4:38 p.m. UTC

From: Darrick J. Wong <[e-mail]>

Remove any fs-verity extended attributes when the filesystem doesn't
support fs-verity.

Signed-off-by: Darrick J. Wong <[e-mail]>
---
 repair/attr_repair.c |   24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

Patch

diff --git a/repair/attr_repair.c b/repair/attr_repair.c
index 9c41cb21..5225950c 100644
--- a/repair/attr_repair.c
+++ b/repair/attr_repair.c
@@ -313,6 +313,13 @@  process_shortform_attr(
 					NULL, currententry->namelen,
 					currententry->valuelen);
 
+		if ((currententry->flags & XFS_ATTR_VERITY) &&
+		    !xfs_has_verity(mp)) {
+			do_warn(
+ _("verity metadata found on filesystem that doesn't support verity\n"));
+			junkit |= 1;
+		}
+
 		remainingspace = remainingspace -
 					xfs_attr_sf_entsize(currententry);
 
@@ -513,6 +520,15 @@  process_leaf_attr_local(
 			return -1;
 		}
 	}
+
+	if ((entry->flags & XFS_ATTR_VERITY) && !xfs_has_verity(mp)) {
+		do_warn(
+ _("verity metadata found in attribute entry %d in attr block %u, inode %"
+   PRIu64 " on filesystem that doesn't support verity\n"),
+				i, da_bno, ino);
+		return -1;
+	}
+
 	return xfs_attr_leaf_entsize_local(local->namelen,
 						be16_to_cpu(local->valuelen));
 }
@@ -549,6 +565,14 @@  process_leaf_attr_remote(
 		return -1;
 	}
 
+	if ((entry->flags & XFS_ATTR_VERITY) && !xfs_has_verity(mp)) {
+		do_warn(
+ _("verity metadata found in attribute entry %d in attr block %u, inode %"
+   PRIu64 " on filesystem that doesn't support verity\n"),
+				i, da_bno, ino);
+		return -1;
+	}
+
 	value = malloc(be32_to_cpu(remotep->valuelen));
 	if (value == NULL) {
 		do_warn(