Christian Heimes <li...@cheimes.de> added the comment:
The demo script uses the same connection socket in two threads. Neither OpenSSL nor Python guarantee that a single SSLSocket object can be used by multiple threads. https://www.openssl.org/blog/blog/2017/02/21/threads/ contains more information about thread safety. tl;dr SSLObject and SSLSocket cannot be safely used by multiple threads at the same time. SSLContext can be shared across multiple threads. However it's not safe to reconfigure a context once it's attached to a connection. Only getters, wrap_*(), and load_verify_locations() are safe. ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue33090> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com