Commit e4522bc8 authored by Vyacheslav Yurkov's avatar Vyacheslav Yurkov Committed by Miklos Szeredi
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ovl: disable decoding null uuid with redirect_dir 



Currently decoding origin with lower null uuid is not allowed unless user
opted-in to one of the new features that require following the lower inode
of non-dir upper (index, xino, metacopy). Now we add redirect_dir too to
that feature list.

Signed-off-by: default avatarVyacheslav Yurkov <Vyacheslav.Yurkov@bruker.com>
Reviewed-by: default avatarAmir Goldstein <amir73il@gmail.com>
Signed-off-by: default avatarMiklos Szeredi <mszeredi@redhat.com>
parent 096a218a

fs/overlayfs/super.c

+1 −1
Original line number Diff line number Diff line
@@ -1600,7 +1600,7 @@ static bool ovl_lower_uuid_ok(struct ovl_fs *ofs, const uuid_t *uuid) 
	 * lower inode of non-dir upper.

	 */

	if (!ofs->config.index && !ofs->config.metacopy &&

	    ofs->config.xino != OVL_XINO_ON &&

	    !ofs->config.redirect_dir && ofs->config.xino != OVL_XINO_ON &&

	    uuid_is_null(uuid))

		return false;