From 7e3e36b2c2d6cc233958aa10da8ef703c693f0b9 Mon Sep 17 00:00:00 2001
From: Stefano Brivio <sbrivio@redhat.com>
Date: Fri, 21 May 2021 11:14:42 +0200
Subject: [PATCH] tcp: Close socket on EPOLLHUP or EPOLLRDHUP in non-data state

If the peer doesn't shut down orderly, this might happen: just close
the socket then.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
---
 tcp.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tcp.c b/tcp.c
index 3c92d37..bab07ab 100644
--- a/tcp.c
+++ b/tcp.c
@@ -1465,6 +1465,8 @@ void tcp_sock_handler(struct ctx *c, int s, uint32_t events, char *pkt_buf,
 			tcp_data_from_sock(c, s, now);
 			tcp_send_to_tap(c, s, FIN | ACK, NULL, 0);
 			tcp_sock_consume(s, tc[s].seq_ack_from_tap);
+		} else {
+			tcp_close_and_epoll_del(c, s);
 		}
 	}
 }