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-rw-r--r--net/tipc/link.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/net/tipc/link.c b/net/tipc/link.c
index 6f50f6423f63..1a7e4665af80 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -1882,6 +1882,15 @@ void tipc_recv_msg(struct sk_buff *head, struct tipc_bearer *tb_ptr)
(msg_destnode(msg) != tipc_own_addr)))
goto cont;
+ /* Discard non-routeable messages destined for another node */
+
+ if (unlikely(!msg_isdata(msg) &&
+ (msg_destnode(msg) != tipc_own_addr))) {
+ if ((msg_user(msg) != CONN_MANAGER) &&
+ (msg_user(msg) != MSG_FRAGMENTER))
+ goto cont;
+ }
+
/* Locate unicast link endpoint that should handle message */
n_ptr = tipc_node_find(msg_prevnode(msg));