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gh-117310: Remove extra DECREF on "no ciphers" error path in _ssl._SSLContext constructor (#117309)

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Remove extra self DECREF on ssl "no ciphers" error path.

This doesn't come up in practice because nobody links against a broken
OpenSSL library that provides nothing.
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Gregory P. Smith 2024-03-28 03:11:58 -07:00 • committed by GitHub
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Misc/NEWS.d/next/Library/2024-03-27-21-05-52.gh-issue-117310.Bt2wox.rst Normal file
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Fixed an unlikely early & extra ``Py_DECREF`` triggered crash in :mod:`ssl`
when creating a new ``_ssl._SSLContext`` if CPython was built implausibly such
that the default cipher list is empty **or** the SSL library it was linked
against reports a failure from its C ``SSL_CTX_set_cipher_list()`` API.