From 9e1c3cbaeb4ed3ba2945c2598d577ebf90a4d951 Mon Sep 17 00:00:00 2001
From: Alexander Andreev <carzil@yandex.ru>
Date: Wed, 4 May 2022 15:51:23 +0300
Subject: [PATCH] fix hctx leakage in addrConn.createTransport

---
 clientconn.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/clientconn.go b/clientconn.go
index 3ed6eb8e75e3..0fc8b27aaa94 100644
--- a/clientconn.go
+++ b/clientconn.go
@@ -1256,6 +1256,7 @@ func (ac *addrConn) createTransport(addr resolver.Address, copts transport.Conne
 	newTr, err := transport.NewClientTransport(connectCtx, ac.cc.ctx, addr, copts, func() { prefaceReceived.Fire() }, onGoAway, onClose)
 	if err != nil {
 		// newTr is either nil, or closed.
+		hcancel()
 		channelz.Warningf(logger, ac.channelzID, "grpc: addrConn.createTransport failed to connect to %s. Err: %v", addr, err)
 		return err
 	}