From 73f04e3ec8560fb4355845effa78655a9705c040 Mon Sep 17 00:00:00 2001
From: david gauchard <gauchard@laas.fr>
Date: Sun, 2 Aug 2020 12:52:35 +0200
Subject: [PATCH] Backport #7478

---
 libraries/ESP8266WiFi/src/WiFiClientSecureBearSSL.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libraries/ESP8266WiFi/src/WiFiClientSecureBearSSL.cpp b/libraries/ESP8266WiFi/src/WiFiClientSecureBearSSL.cpp
index 89621b3671..c94ac79e0f 100644
--- a/libraries/ESP8266WiFi/src/WiFiClientSecureBearSSL.cpp
+++ b/libraries/ESP8266WiFi/src/WiFiClientSecureBearSSL.cpp
@@ -105,6 +105,9 @@ WiFiClientSecure::WiFiClientSecure() : WiFiClient() {
   _clear();
   _clearAuthenticationSettings();
   _certStore = nullptr; // Don't want to remove cert store on a clear, should be long lived
+  _sk = nullptr;
+  _axtls_chain = nullptr;
+  _axtls_sk = nullptr;
   stack_thunk_add_ref();
 }