[issue44252] test_ssl: test_pha_required_nocert() crashs randomly with "Windows fatal exception: access violation" on Windows

[STINNER Victor]

STINNER Victor <vstinner at python.org> added the comment:

Crash also seen on test_httplib:

(...)
test_attributes (test.test_httplib.HTTPSTest) ... ok
test_host_port (test.test_httplib.HTTPSTest) ... ok
Windows fatal exception: access violation

Current thread 0x000011ec (most recent call first):
  File "D:\a\cpython\cpython\lib\socket.py", line 502 in close
  File "D:\a\cpython\cpython\lib\ssl.py", line 1072 in _create
  File "D:\a\cpython\cpython\lib\ssl.py", line 518 in wrap_socket
  File "D:\a\cpython\cpython\lib\test\ssl_servers.py", line 37 in get_request
  File "D:\a\cpython\cpython\lib\socketserver.py", line 311 in _handle_request_noblock
  File "D:\a\cpython\cpython\lib\socketserver.py", line 237 in serve_forever
  File "D:\a\cpython\cpython\lib\test\ssl_servers.py", line 142 in run
  File "D:\a\cpython\cpython\lib\threading.py", line 1006 in _bootstrap_inner
  File "D:\a\cpython\cpython\lib\threading.py", line 963 in _bootstrap

Thread 0x000013ec (most recent call first):
  File "D:\a\cpython\cpython\lib\socket.py", line 496 in _real_close
  File "D:\a\cpython\cpython\lib\ssl.py", line 1330 in _real_close
  File "D:\a\cpython\cpython\lib\socket.py", line 502 in close
  File "D:\a\cpython\cpython\lib\ssl.py", line 1072 in _create
  File "D:\a\cpython\cpython\lib\ssl.py", line 518 in wrap_socket
  File "D:\a\cpython\cpython\lib\http\client.py", line 1448 in connect
  File "D:\a\cpython\cpython\lib\http\client.py", line 969 in send
  File "D:\a\cpython\cpython\lib\http\client.py", line 1031 in _send_output
  File "D:\a\cpython\cpython\lib\http\client.py", line 1271 in endheaders
  File "D:\a\cpython\cpython\lib\http\client.py", line 1322 in _send_request
  File "D:\a\cpython\cpython\lib\http\client.py", line 1276 in request
  File "D:\a\cpython\cpython\lib\test\test_httplib.py", line 1950 in test_local_bad_hostname
  File "D:\a\cpython\cpython\lib\unittest\case.py", line 549 in _callTestMethod
  File "D:\a\cpython\cpython\lib\unittest\case.py", line 592 in run
  File "D:\a\cpython\cpython\lib\unittest\case.py", line 652 in __call__
  File "D:\a\cpython\cpython\lib\unittest\suite.py", line 122 in run
  File "D:\a\cpython\cpython\lib\unittest\suite.py", line 84 in __call__
  File "D:\a\cpython\cpython\lib\unittest\suite.py", line 122 in run
  File "D:\a\cpython\cpython\lib\unittest\suite.py", line 84 in __call__
  File "D:\a\cpython\cpython\lib\unittest\suite.py", line 122 in run
  File "D:\a\cpython\cpython\lib\unittest\suite.py", line 84 in __call__
  File "D:\a\cpython\cpython\lib\unittest\runner.py", line 176 in run
  File "D:\a\cpython\cpython\lib\test\support\__init__.py", line 959 in _run_suite
  File "D:\a\cpython\cpython\lib\test\support\__init__.py", line 1082 in run_unittest
  File "D:\a\cpython\cpython\lib\test\libregrtest\runtest.py", line 210 in _test_module
  File "D:\a\cpython\cpython\lib\test\libregrtest\runtest.py", line 246 in _runtest_inner2
  File "D:\a\cpython\cpython\lib\test\libregrtest\runtest.py", line 282 in _runtest_inner
  File "D:\a\cpython\cpython\lib\test\libregrtest\runtest.py", line 154 in _runtest
  File "D:\a\cpython\cpython\lib\test\libregrtest\runtest.py", line 194 in runtest
  File "D:\a\cpython\cpython\lib\test\libregrtest\main.py", line 321 in rerun_failed_tests
  File "D:\a\cpython\cpython\lib\test\libregrtest\main.py", line 698 in _main
  File "D:\a\cpython\cpython\lib\test\libregrtest\main.py", line 641 in main
  File "D:\a\cpython\cpython\lib\test\libregrtest\main.py", line 719 in main
  File "D:\a\cpython\cpython\lib\test\__main__.py", line 2 in <module>
  File "D:\a\cpython\cpython\lib\runpy.py", line 86 in _run_code
  File "D:\a\cpython\cpython\lib\runpy.py", line 196 in _run_module_as_main
test_local_bad_hostname (test.test_httplib.HTTPSTest) ... 
Error: Process completed with exit code 1.

test.pythoninfo:

ssl.HAS_SNI: True
ssl.OPENSSL_VERSION: OpenSSL 1.1.1k  25 Mar 2021
ssl.OPENSSL_VERSION_INFO: (1, 1, 1, 11, 15)
ssl.OP_ALL: -0x7fffffac
ssl.OP_NO_TLSv1_1: 0x10000000
ssl.SSLContext.maximum_version: MAXIMUM_SUPPORTED
ssl.SSLContext.minimum_version: TLSv1_2
ssl.SSLContext.options: OP_NO_COMPRESSION|OP_ENABLE_MIDDLEBOX_COMPAT|OP_CIPHER_SERVER_PREFERENCE|OP_NO_SSLv3|0x54
ssl.SSLContext.protocol: PROTOCOL_TLS_CLIENT
ssl.SSLContext.verify_mode: CERT_REQUIRED
ssl.default_https_context.maximum_version: MAXIMUM_SUPPORTED
ssl.default_https_context.minimum_version: TLSv1_2
ssl.default_https_context.options: OP_NO_COMPRESSION|OP_ENABLE_MIDDLEBOX_COMPAT|OP_CIPHER_SERVER_PREFERENCE|OP_NO_SSLv3|0x54
ssl.default_https_context.protocol: PROTOCOL_TLS_CLIENT
ssl.default_https_context.verify_mode: CERT_REQUIRED
ssl.stdlib_context.maximum_version: MAXIMUM_SUPPORTED
ssl.stdlib_context.minimum_version: TLSv1_2
ssl.stdlib_context.options: OP_NO_COMPRESSION|OP_ENABLE_MIDDLEBOX_COMPAT|OP_CIPHER_SERVER_PREFERENCE|OP_NO_SSLv3|0x54
ssl.stdlib_context.protocol: PROTOCOL_TLS_CLIENT
ssl.stdlib_context.verify_mode: CERT_NONE

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue44252>
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