From: Cong Wang
Date: Mon, 10 Dec 2018 15:23:30 -0800
> When TIPC_NLA_UDP_REMOTE is an IPv6 mcast address but
> TIPC_NLA_UDP_LOCAL is an IPv4 address, a NULL-ptr deref is triggered
> as the UDP tunnel sock is initialized to IPv4 or IPv6 sock merely
> based on the protocol in local address.
>
> W
> -Original Message-
> From: Cong Wang
> Sent: 10-Dec-18 18:24
> To: netdev@vger.kernel.org
> Cc: Cong Wang ; Ying Xue
> ; Jon Maloy
> Subject: [Patch net] tipc: compare remote and local protocols in
> tipc_udp_enable()
>
> When TIPC_NLA_UDP_REMOTE is an IPv6 mcast address but
> TIPC_