--- ./net/xfrm/espintcp.c.orig	2020-06-12 14:19:13.674502577 -0400
+++ ./net/xfrm/espintcp.c	2020-06-12 14:19:39.258170511 -0400
@@ -109,8 +109,11 @@
 	flags |= nonblock ? MSG_DONTWAIT : 0;
 
 	skb = __skb_recv_datagram(sk, &ctx->ike_queue, flags, &off, &err);
-	if (!skb)
-		return err;
+       if (!skb) {
+               if (err == -EAGAIN && sk->sk_shutdown & RCV_SHUTDOWN)
+                       return 0;
+               return err;
+       }
 
 	copied = len;
 	if (copied > skb->len)