Patch "ovl: root: copy attr" has been added to the 4.4-stable tree

Patch "ovl: root: copy attr" has been added to the 4.4-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    ovl: root: copy attr

to the 4.4-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     ovl-root-copy-attr.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From ed06e069775ad9236087594a1c1667367e983fb5 Mon Sep 17 00:00:00 2001
From: Miklos Szeredi <miklos@szeredi.hu>
Date: Wed, 9 Dec 2015 16:11:59 +0100
Subject: ovl: root: copy attr

From: Miklos Szeredi <miklos@szeredi.hu>

commit ed06e069775ad9236087594a1c1667367e983fb5 upstream.

We copy i_uid and i_gid of underlying inode into overlayfs inode.  Except
for the root inode.

Fix this omission.

Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 fs/overlayfs/super.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -1053,6 +1053,9 @@ static int ovl_fill_super(struct super_b
 
 	root_dentry->d_fsdata = oe;
 
+	ovl_copyattr(ovl_dentry_real(root_dentry)->d_inode,
+		     root_dentry->d_inode);
+
 	sb->s_magic = OVERLAYFS_SUPER_MAGIC;
 	sb->s_op = &ovl_super_operations;
 	sb->s_root = root_dentry;


Patches currently in stable-queue which might be from miklos@szeredi.hu are

queue-4.4/ovl-allow-zero-size-xattr.patch
queue-4.4/ovl-root-copy-attr.patch
queue-4.4/ovl-check-dentry-positiveness-in-ovl_cleanup_whiteouts.patch
queue-4.4/ovl-setattr-check-permissions-before-copy-up.patch
queue-4.4/ovl-use-a-minimal-buffer-in-ovl_copy_xattr.patch