diff --git a/net/rxrpc/recvmsg.c b/net/rxrpc/recvmsg.c
index c940600117a4..a3cf5358f16e 100644
--- a/net/rxrpc/recvmsg.c
+++ b/net/rxrpc/recvmsg.c
@@ -161,7 +161,7 @@ static int rxrpc_verify_data(struct rxrpc_call *call, struct sk_buff *skb)
 	struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
 	int ret;
 
-	if (sp->len > call->rx_dec_bsize) {
+	if (sp->len > call->rx_dec_bsize || !call->rx_dec_buffer) {
 		/* Make sure we can hold a 1412-byte jumbo subpacket and make
 		 * sure that the buffer size is aligned to a crypto blocksize.
 		 */