From f99819d32679fdce1f4231453c370ea240a99c58 Mon Sep 17 00:00:00 2001
From: Boqin Qin <bobbqqin@bupt.edu.cn>
Date: Thu, 17 Oct 2019 04:59:37 -0400
Subject: [PATCH] util Host: fix a double Read Lock bug in fn
 Host::session_readable() (#11175)

---
 util/network-devp2p/src/host.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/util/network-devp2p/src/host.rs b/util/network-devp2p/src/host.rs
index a16f96252..27949839f 100644
--- a/util/network-devp2p/src/host.rs
+++ b/util/network-devp2p/src/host.rs
@@ -842,6 +842,7 @@ impl Host {
 				if duplicate {
 					trace!(target: "network", "Rejected duplicate connection: {}", token);
 					session.lock().disconnect(io, DisconnectReason::DuplicatePeer);
+					drop(handlers);
 					self.kill_connection(token, io, false);
 					return;
 				}