UPSTREAM: xfrm: clone XFRMA_SET_MARK in xfrm_do_migrate

XFRMA_SET_MARK and XFRMA_SET_MARK_MASK was not cloned from the old
to the new. Migrate these two attributes during XFRMA_MSG_MIGRATE

Fixes: 9b42c1f ("xfrm: Extend the output_mark to support input direction and masking.")
Signed-off-by: Antony Antony <antony.antony@secunet.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
(cherry picked from commit 545e5c5)
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I1f49264dde418481a0d1e53d5a4df3fc29bbccb1

net/xfrm/xfrm_state.c

@@ -1245,6 +1245,7 @@ static struct xfrm_state *xfrm_state_clone(struct xfrm_state *orig)
 	}
 
 	memcpy(&x->mark, &orig->mark, sizeof(x->mark));
+	memcpy(&x->props.smark, &orig->props.smark, sizeof(x->props.smark));
 
 	if (xfrm_init_state(x) < 0)
 		goto error;