[PATCH 1/2] xfs: fix use-after-free when aborting corrupt attr inactivation

["Darrick J. Wong" <darrick.wong@xxxxxxxxxx>]

From: Darrick J. Wong <darrick.wong@xxxxxxxxxx>

Log the corrupt buffer before we release the buffer.

Fixes: a5155b870d687 ("xfs: always log corruption errors")
Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
---
 fs/xfs/xfs_attr_inactive.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)


diff --git a/fs/xfs/xfs_attr_inactive.c b/fs/xfs/xfs_attr_inactive.c
index bbfa6ba84dcd..fe8f60b59ec4 100644
--- a/fs/xfs/xfs_attr_inactive.c
+++ b/fs/xfs/xfs_attr_inactive.c
@@ -145,8 +145,8 @@ xfs_attr3_node_inactive(
 	 * Since this code is recursive (gasp!) we must protect ourselves.
 	 */
 	if (level > XFS_DA_NODE_MAXDEPTH) {
-		xfs_trans_brelse(*trans, bp);	/* no locks for later trans */
 		xfs_buf_corruption_error(bp);
+		xfs_trans_brelse(*trans, bp);	/* no locks for later trans */
 		return -EFSCORRUPTED;
 	}