Commit 689f4c64 authored Jun 30, 2016 by David Howells

rxrpc: Check the source of a packet to a client conn

When looking up a client connection to which to route a packet, we need to
check that the packet came from the correct source so that a peer can't try
to muck around with another peer's connection.

Signed-off-by: David Howells <dhowells@redhat.com>

parent 88b99d0b

net/rxrpc/conn_object.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -508,7 +508,9 @@ struct rxrpc_connection rxrpc_find_connection(struct rxrpc_local local,
		}
		} else {
		conn = idr_find(&rxrpc_client_conn_ids, cid >> RXRPC_CIDSHIFT);
		if (conn && conn->proto.epoch == epoch)
		if (conn &&
		conn->proto.epoch == epoch &&
		conn->params.peer == peer)
		goto found;
		}