From 62bf5d8d0a36112619436a813ceefb7e4af52c24 Mon Sep 17 00:00:00 2001 From: Kumar Aditya <59607654+kumaraditya303@users.noreply.github.com> Date: Sat, 22 Oct 2022 21:41:27 +0530 Subject: [PATCH] GH-98539: fix ref cycle in `_SSLProtocolTransport` after close (#98540) --- Lib/asyncio/sslproto.py | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/Lib/asyncio/sslproto.py b/Lib/asyncio/sslproto.py index de00953cc1d0f7..5cb5cd35883f07 100644 --- a/Lib/asyncio/sslproto.py +++ b/Lib/asyncio/sslproto.py @@ -107,8 +107,11 @@ def close(self): protocol's connection_lost() method will (eventually) called with None as its argument. """ - self._closed = True - self._ssl_protocol._start_shutdown() + if not self._closed: + self._closed = True + self._ssl_protocol._start_shutdown() + else: + self._ssl_protocol = None def __del__(self, _warnings=warnings): if not self._closed: