diff --git a/net/rxrpc/Kconfig b/net/rxrpc/Kconfig
index 13396c74b5c1..86f8853a038c 100644
--- a/net/rxrpc/Kconfig
+++ b/net/rxrpc/Kconfig
@@ -26,6 +26,13 @@ config AF_RXRPC_IPV6
 	  Say Y here to allow AF_RXRPC to use IPV6 UDP as well as IPV4 UDP as
 	  its network transport.
 
+config AF_RXRPC_INJECT_LOSS
+	bool "Inject packet loss into RxRPC packet stream"
+	depends on AF_RXRPC
+	help
+	  Say Y here to inject packet loss by discarding some received and some
+	  transmitted packets.
+
 
 config AF_RXRPC_DEBUG
 	bool "RxRPC dynamic debugging"
diff --git a/net/rxrpc/input.c b/net/rxrpc/input.c
index 84bb16d47b85..7ac1edf3aac7 100644
--- a/net/rxrpc/input.c
+++ b/net/rxrpc/input.c
@@ -712,6 +712,14 @@ void rxrpc_data_ready(struct sock *udp_sk)
 	skb_orphan(skb);
 	sp = rxrpc_skb(skb);
 
+	if (IS_ENABLED(CONFIG_AF_RXRPC_INJECT_LOSS)) {
+		static int lose;
+		if ((lose++ & 7) == 7) {
+			rxrpc_lose_skb(skb, rxrpc_skb_rx_lost);
+			return;
+		}
+	}
+
 	_net("Rx UDP packet from %08x:%04hu",
 	     ntohl(ip_hdr(skb)->saddr), ntohs(udp_hdr(skb)->source));
 
diff --git a/net/rxrpc/output.c b/net/rxrpc/output.c
index a2cad5ce7416..16e18a94ffa6 100644
--- a/net/rxrpc/output.c
+++ b/net/rxrpc/output.c
@@ -225,6 +225,15 @@ int rxrpc_send_data_packet(struct rxrpc_connection *conn, struct sk_buff *skb)
 	msg.msg_controllen = 0;
 	msg.msg_flags = 0;
 
+	if (IS_ENABLED(CONFIG_AF_RXRPC_INJECT_LOSS)) {
+		static int lose;
+		if ((lose++ & 7) == 7) {
+			rxrpc_lose_skb(skb, rxrpc_skb_tx_lost);
+			_leave(" = 0 [lose]");
+			return 0;
+		}
+	}
+
 	/* send the packet with the don't fragment bit set if we currently
 	 * think it's small enough */
 	if (skb->len - sizeof(struct rxrpc_wire_header) < conn->params.peer->maxdata) {