Commit 45ebf73e authored May 27, 2020 by Jonas Falkevik Committed by David S. Miller May 28, 2020

sctp: check assoc before SCTP_ADDR_{MADE_PRIM, ADDED} event



Make sure SCTP_ADDR_{MADE_PRIM,ADDED} are sent only for associations
that have been established.

These events are described in rfc6458#section-6.1
SCTP_PEER_ADDR_CHANGE:
This tag indicates that an address that is
part of an existing association has experienced a change of
state (e.g., a failure or return to service of the reachability
of an endpoint via a specific transport address).

Signed-off-by: Jonas Falkevik <jonas.falkevik@gmail.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Reviewed-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent a068aab4

net/sctp/ulpevent.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -343,6 +343,9 @@ void sctp_ulpevent_nofity_peer_addr_change(struct sctp_transport *transport,
		struct sockaddr_storage addr;
		struct sctp_ulpevent *event;

		if (asoc->state < SCTP_STATE_ESTABLISHED)
		return;

		memset(&addr, 0, sizeof(struct sockaddr_storage));
		memcpy(&addr, &transport->ipaddr, transport->af_specific->sockaddr_len);

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