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Commit cfdeef32 authored by Vlad Yasevich's avatar Vlad Yasevich Committed by David S. Miller
Browse files

[SCTP]: Unhash the endpoint in sctp_endpoint_free(). 



This prevents a race between the close of a socket and receive of an
incoming packet.

Signed-off-by: default avatarVlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: default avatarSridhar Samudrala <sri@us.ibm.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 37fa6878

net/sctp/endpointola.c

+6 −5
Original line number Diff line number Diff line
@@ -158,6 +158,12 @@ void sctp_endpoint_add_asoc(struct sctp_endpoint *ep, 
void sctp_endpoint_free(struct sctp_endpoint *ep)

{

	ep->base.dead = 1;



	ep->base.sk->sk_state = SCTP_SS_CLOSED;



	/* Unlink this endpoint, so we can't find it again! */

	sctp_unhash_endpoint(ep);



	sctp_endpoint_put(ep);

}
@@ -166,11 +172,6 @@ static void sctp_endpoint_destroy(struct sctp_endpoint *ep) 
{

	SCTP_ASSERT(ep->base.dead, "Endpoint is not dead", return);



	ep->base.sk->sk_state = SCTP_SS_CLOSED;



	/* Unlink this endpoint, so we can't find it again! */

	sctp_unhash_endpoint(ep);



	/* Free up the HMAC transform. */

	sctp_crypto_free_tfm(sctp_sk(ep->base.sk)->hmac);