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[3.9] gh-108342: Make ssl TestPreHandshakeClose more reliable (GH-108370) #108407

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merged 1 commit into from
Aug 24, 2023

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@ambv ambv commented Aug 24, 2023

  • In preauth tests of test_ssl, explicitly break reference cycles invoving SingleConnectionTestServerThread to make sure that the thread is deleted. Otherwise, the test marks the environment as altered because the threading module sees a "dangling thread" (SingleConnectionTestServerThread). This test leak was introduced by the test added for the fix of issue CVE-2023-40217: Bypass TLS handshake on closed sockets #108310.
  • Use support.SHORT_TIMEOUT instead of hardcoded 1.0 or 2.0 seconds timeout.
  • SingleConnectionTestServerThread.run() catchs TimeoutError
  • Fix a race condition (missing synchronization) in test_preauth_data_to_tls_client(): the server now waits until the client connect() completed in call_after_accept().
  • test_https_client_non_tls_response_ignored() calls server.join() explicitly.
  • Replace "localhost" with server.listener.getsockname()[0]. (cherry picked from commit 592bacb)

…ythonGH-108370)

* In preauth tests of test_ssl, explicitly break reference cycles
  invoving SingleConnectionTestServerThread to make sure that the
  thread is deleted. Otherwise, the test marks the environment as
  altered because the threading module sees a "dangling thread"
  (SingleConnectionTestServerThread). This test leak was introduced
  by the test added for the fix of issue pythongh-108310.
* Use support.SHORT_TIMEOUT instead of hardcoded 1.0 or 2.0 seconds
  timeout.
* SingleConnectionTestServerThread.run() catchs TimeoutError
* Fix a race condition (missing synchronization) in
  test_preauth_data_to_tls_client(): the server now waits until the
  client connect() completed in call_after_accept().
* test_https_client_non_tls_response_ignored() calls server.join()
  explicitly.
* Replace "localhost" with server.listener.getsockname()[0].
(cherry picked from commit 592bacb)

Co-authored-by: Victor Stinner <vstinner@python.org>
@ambv ambv requested a review from tiran as a code owner August 24, 2023 09:02
@bedevere-bot bedevere-bot added tests Tests in the Lib/test dir awaiting core review labels Aug 24, 2023
@ambv ambv merged commit d2cd0a3 into python:3.9 Aug 24, 2023
12 checks passed
@ambv ambv deleted the backport-592bacb-3.9 branch August 24, 2023 10:09
@ambv ambv restored the backport-592bacb-3.9 branch August 24, 2023 10:54
@ambv ambv deleted the backport-592bacb-3.9 branch August 24, 2023 10:54
carlosroman pushed a commit to DataDog/cpython that referenced this pull request Oct 11, 2023
…ythonGH-108370) (python#108407)

* In preauth tests of test_ssl, explicitly break reference cycles
  invoving SingleConnectionTestServerThread to make sure that the
  thread is deleted. Otherwise, the test marks the environment as
  altered because the threading module sees a "dangling thread"
  (SingleConnectionTestServerThread). This test leak was introduced
  by the test added for the fix of issue pythongh-108310.
* Use support.SHORT_TIMEOUT instead of hardcoded 1.0 or 2.0 seconds
  timeout.
* SingleConnectionTestServerThread.run() catchs TimeoutError
* Fix a race condition (missing synchronization) in
  test_preauth_data_to_tls_client(): the server now waits until the
  client connect() completed in call_after_accept().
* test_https_client_non_tls_response_ignored() calls server.join()
  explicitly.
* Replace "localhost" with server.listener.getsockname()[0].
(cherry picked from commit 592bacb)

Co-authored-by: Victor Stinner <vstinner@python.org>
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3 participants