[New-bugs-announce] [issue43164] test_nntplib.NetworkedNNTP_SSLTests fails on "AMD64 RHEL8 FIPS Only Blake2 Builtin Hash" buildbot

[Charalampos Stratakis]

New submission from Charalampos Stratakis <cstratak at redhat.com>:

This is one of the unstable buildbots, running under FIPS mode. One of the tests is failing at the moment.

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ERROR: setUpClass (test.test_nntplib.NetworkedNNTP_SSLTests)
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Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-fips-x86_64.no-builtin-hashes-except-blake2/build/Lib/test/test_nntplib.py", line 321, in setUpClass
    cls.server = cls.NNTP_CLASS(cls.NNTP_HOST,
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-fips-x86_64.no-builtin-hashes-except-blake2/build/Lib/nntplib.py", line 1025, in __init__
    super().__init__(host, port, user, password, readermode,
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-fips-x86_64.no-builtin-hashes-except-blake2/build/Lib/nntplib.py", line 334, in __init__
    self.sock = self._create_socket(timeout)
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-fips-x86_64.no-builtin-hashes-except-blake2/build/Lib/nntplib.py", line 1031, in _create_socket
    sock = _encrypt_on(sock, self.ssl_context, self.host)
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-fips-x86_64.no-builtin-hashes-except-blake2/build/Lib/nntplib.py", line 292, in _encrypt_on
    return context.wrap_socket(sock, server_hostname=hostname)
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-fips-x86_64.no-builtin-hashes-except-blake2/build/Lib/ssl.py", line 500, in wrap_socket
    return self.sslsocket_class._create(
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-fips-x86_64.no-builtin-hashes-except-blake2/build/Lib/ssl.py", line 1040, in _create
    self.do_handshake()
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-fips-x86_64.no-builtin-hashes-except-blake2/build/Lib/ssl.py", line 1309, in do_handshake
    self._sslobj.do_handshake()
ssl.SSLError: [SSL: BAD_DH_VALUE] bad dh value (_ssl.c:1122)
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----------
assignee: christian.heimes
components: SSL, Tests
messages: 386631
nosy: christian.heimes, cstratak
priority: normal
severity: normal
status: open
title: test_nntplib.NetworkedNNTP_SSLTests fails on "AMD64 RHEL8 FIPS Only Blake2 Builtin Hash" buildbot
versions: Python 3.10, Python 3.9

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue43164>
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