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GeezerVison is showing github.com — [3.11] gh-149776: Skip UDP Lite tests if it's not supported (#149777) by vstinner · Pull Request #153593 · python/cpython

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@vstinner

@vstinner vstinner commented Jul 11, 2026 •
edited by bedevere-app Bot
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Fix test_socket on Linux kernel 7.1 and newer: skip UDP Lite tests if it's not supported.

(cherry picked from commit 3cfc249)

  • Issue: test_socket: BasicUDPLITETest fails on Linux 7.1 and newer #149776

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@vstinner
pythongh-149776: Skip UDP Lite tests if it's not supported (python#14…
0d34ac9
…9777)

Fix test_socket on Linux kernel 7.1 and newer: skip UDP Lite tests if
it's not supported.

(cherry picked from commit 3cfc249)
@vstinner vstinner added the skip news label Jul 11, 2026
@bedevere-app bedevere-app Bot added the tests Tests in the Lib/test dir label Jul 11, 2026
@bedevere-app bedevere-app Bot mentioned this pull request Jul 11, 2026
test_socket: BasicUDPLITETest fails on Linux 7.1 and newer #149776
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@bedevere-app bedevere-app Bot added the awaiting core review label Jul 11, 2026
@bedevere-app bedevere-app Bot mentioned this pull request Jul 11, 2026
gh-149776: Skip UDP Lite tests if it's not supported #149777
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@vstinner

vstinner commented Jul 11, 2026

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The Linux kernel of the "AMD64 Fedora Stable" buildbot was upgraded from 7.0 to 7.1, 3 days ago, so test_socket started to fail. The Linux kernel 7.1 removes the UDP Lite support. This PR backports a fix from the main branch.

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@vstinner

vstinner commented Jul 11, 2026

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cc @hugovk

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@read-the-docs-community

read-the-docs-community Bot commented Jul 11, 2026

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Documentation build overview

📚 cpython-previews | 🛠️ Build #33546640 | 📁 Comparing 0d34ac9 against main (bbd1f2f)

  🔍 Preview build  

568 files changed · + 18 added · ± 475 modified · - 75 deleted

+ Added

  • c-api/objbuffer.html
  • distutils/_setuptools_disclaimer.html
  • distutils/apiref.html
  • distutils/builtdist.html
  • distutils/commandref.html
  • distutils/configfile.html
  • distutils/examples.html
  • distutils/extending.html
  • distutils/index.html
  • distutils/introduction.html
  • and 8 more...

± Modified

  • about.html
  • bugs.html
  • copyright.html
  • glossary.html
  • index.html
  • license.html
  • py-modindex.html
  • search.html
  • c-api/abstract.html
  • c-api/allocation.html
  • and 465 more...

- Deleted

  • 404.html
  • improve-page-nojs.html
  • improve-page.html
  • _static/tachyon-example-flamegraph.html
  • _static/tachyon-example-heatmap.html
  • c-api/curses.html
  • c-api/extension-modules.html
  • c-api/interp-lifecycle.html
  • c-api/lifecycle.html
  • c-api/monitoring.html
  • and 65 more...
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@vstinner

vstinner commented Jul 11, 2026

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macOS / build and test (macos-15-intel): test_ssl fails because it lacks the fix gh-153311 (ssl fix backport).

======================================================================
ERROR: test_load_verify_cadata (test.test_ssl.ContextTests.test_load_verify_cadata)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/runner/work/cpython/cpython/Lib/test/test_ssl.py", line 1535, in test_load_verify_cadata
    ctx.load_verify_locations(cadata=cacert_der)
ssl.SSLError: [ASN1: NOT_ENOUGH_DATA] not enough data (_ssl.c:4057)

======================================================================
ERROR: test_connect_cadata (test.test_ssl.SimpleBackgroundTests.test_connect_cadata)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/runner/work/cpython/cpython/Lib/test/test_ssl.py", line 2181, in test_connect_cadata
    ctx.load_verify_locations(cadata=der)
ssl.SSLError: [ASN1: NOT_ENOUGH_DATA] not enough data (_ssl.c:4057)
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@vstinner vstinner mentioned this pull request Jul 11, 2026
3.10, 3.11, 3.12: Windows fails to build, test_ssl NOT_ENOUGH_DATA failure on macOS, test_socket fails on Fedora Stable (Linux 7.1) #153598
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hugovk
hugovk approved these changes Jul 12, 2026
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@bedevere-app bedevere-app Bot added awaiting merge and removed awaiting core review labels Jul 12, 2026
@pablogsal
pablogsal merged commit 67d79df into python:3.11 Aug 10, 2026
25 of 27 checks passed

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@bedevere-app bedevere-app Bot removed the awaiting merge label Aug 10, 2026
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skip news tests Tests in the Lib/test dir

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@vstinner @hugovk @pablogsal
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