[PATCH] xfs: initialize the shortform attr header padding entry

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

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

Don't leak kernel memory contents into the shortform attr fork.

Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
---
 fs/xfs/libxfs/xfs_attr_leaf.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/xfs/libxfs/xfs_attr_leaf.c b/fs/xfs/libxfs/xfs_attr_leaf.c
index 8623c815164a..e1a3d225a77d 100644
--- a/fs/xfs/libxfs/xfs_attr_leaf.c
+++ b/fs/xfs/libxfs/xfs_attr_leaf.c
@@ -656,6 +656,7 @@ xfs_attr_shortform_create(
 	hdr = (xfs_attr_sf_hdr_t *)ifp->if_u1.if_data;
 	hdr->count = 0;
 	hdr->totsize = cpu_to_be16(sizeof(*hdr));
+	hdr->padding = 0;
 	xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE | XFS_ILOG_ADATA);
 }