Crash when calling TasmotaSerial destructor when initialized with incorrect arguments (#22036)

CHANGELOG.md

@@ -18,6 +18,7 @@ All notable changes to this project will be documented in this file.
 - Zigbee extend timeout for MCU reboot from 5s to 10s (#22009)
 - Matter fix when Rules are disabled (#22016)
 - BearSSL panic on ESP8266 in rare conditions (#22017)
+- Crash when calling TasmotaSerial destructor when initialized with incorrect arguments
 
 ### Removed
 

lib/default/TasmotaSerial-3.6.0/src/TasmotaSerial.cpp

@@ -123,7 +123,9 @@ void TasmotaSerial::end(void) {
 }
 
 TasmotaSerial::~TasmotaSerial(void) {
-  end();
+  if (m_valid) {
+    end();
+  }
 }
 
 bool TasmotaSerial::isValidGPIOpin(int pin) {