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-rw-r--r--net/rxrpc/input.c6
-rw-r--r--net/rxrpc/protocol.h6
2 files changed, 12 insertions, 0 deletions
diff --git a/net/rxrpc/input.c b/net/rxrpc/input.c
index 21800e6f5019..0410d2277ca2 100644
--- a/net/rxrpc/input.c
+++ b/net/rxrpc/input.c
@@ -1200,6 +1200,12 @@ void rxrpc_data_ready(struct sock *udp_sk)
!rxrpc_validate_jumbo(skb))
goto bad_message;
break;
+
+ /* Packet types 9-11 should just be ignored. */
+ case RXRPC_PACKET_TYPE_PARAMS:
+ case RXRPC_PACKET_TYPE_10:
+ case RXRPC_PACKET_TYPE_11:
+ goto discard;
}
rcu_read_lock();
diff --git a/net/rxrpc/protocol.h b/net/rxrpc/protocol.h
index 4bddcf3face3..93da73bf7098 100644
--- a/net/rxrpc/protocol.h
+++ b/net/rxrpc/protocol.h
@@ -46,6 +46,9 @@ struct rxrpc_wire_header {
#define RXRPC_PACKET_TYPE_CHALLENGE 6 /* connection security challenge (SRVR->CLNT) */
#define RXRPC_PACKET_TYPE_RESPONSE 7 /* connection secutity response (CLNT->SRVR) */
#define RXRPC_PACKET_TYPE_DEBUG 8 /* debug info request */
+#define RXRPC_PACKET_TYPE_PARAMS 9 /* Parameter negotiation (unspec'd, ignore) */
+#define RXRPC_PACKET_TYPE_10 10 /* Ignored */
+#define RXRPC_PACKET_TYPE_11 11 /* Ignored */
#define RXRPC_PACKET_TYPE_VERSION 13 /* version string request */
#define RXRPC_N_PACKET_TYPES 14 /* number of packet types (incl type 0) */
@@ -78,6 +81,9 @@ struct rxrpc_wire_header {
(1 << RXRPC_PACKET_TYPE_CHALLENGE) | \
(1 << RXRPC_PACKET_TYPE_RESPONSE) | \
/*(1 << RXRPC_PACKET_TYPE_DEBUG) | */ \
+ (1 << RXRPC_PACKET_TYPE_PARAMS) | \
+ (1 << RXRPC_PACKET_TYPE_10) | \
+ (1 << RXRPC_PACKET_TYPE_11) | \
(1 << RXRPC_PACKET_TYPE_VERSION))
/*****************************************************************************/