From d39a33f9210fca9ceddddbdd10dd122654763400 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Didrik=20Nordstr=C3=B6m?= <didrik.nordstrom@gmail.com>
Date: Thu, 12 May 2022 03:27:25 -0700
Subject: [PATCH] clone TLS conf in newClient (#3400)

Fixes #3394
---
 client.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/client.go b/client.go
index c29a1c29..be8390e6 100644
--- a/client.go
+++ b/client.go
@@ -231,6 +231,8 @@ func newClient(
 ) (*client, error) {
 	if tlsConf == nil {
 		tlsConf = &tls.Config{}
+	} else {
+		tlsConf = tlsConf.Clone()
 	}
 	if tlsConf.ServerName == "" {
 		sni := host