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[3.12] gh-149776: Skip UDP Lite tests if it's not supported (#149777)#153592

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[3.12] gh-149776: Skip UDP Lite tests if it's not supported (#149777)#153592
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@vstinner vstinner commented Jul 11, 2026 •
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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)

@vstinner
pythongh-149776: Skip UDP Lite tests if it's not supported (python#14…
1bec465 
…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 tests Tests in the Lib/test dir skip news labels Jul 11, 2026
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Documentation build overview

📚 cpython-previews | 🛠️ Build #33546592 | 📁 Comparing 1bec465 against main (bbd1f2f)

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543 files changed · + 4 added · ± 480 modified · - 59 deleted

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± Modified

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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 commented Jul 11, 2026

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cc @hugovk

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vstinner commented Jul 11, 2026

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Tests / Thread sanitizer / Thread sanitizer (pull_request): Failing after 5m

test_large_content_length_truncated() of test_httpservers failed with BrokenPipeError: see #119452 (comment).

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