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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Temporarily skip `test_aead_aes_gcm` for buildbots with Linux kernel between 6.16.0 and 6.17.x","articleBody":"# Bug report\n\n### Bug description:\n\nWe have recently started to see the following test failure on Fedora CI with Python 3.14.0rc3 and 3.13.7 (possibly others as well, not tested yet):\n\n```\n======================================================================\nERROR: test_aead_aes_gcm (test.test_socket.LinuxKernelCryptoAPI.test_aead_aes_gcm)\n----------------------------------------------------------------------\nTraceback (most recent call last):\n  File \"/usr/lib64/python3.14/test/test_socket.py\", line 7071, in test_aead_aes_gcm\n    op.sendall(plain)\n    ~~~~~~~~~~^^^^^^^\nOSError: [Errno 22] Invalid argument\n```\n\n```\nplatform.architecture: 64bit ELF\nplatform.freedesktop_os_release[ID]: fedora\nplatform.freedesktop_os_release[NAME]: Fedora Linux\nplatform.freedesktop_os_release[VARIANT_ID]: cloud\nplatform.freedesktop_os_release[VERSION]: 44 (Cloud Edition Prerelease)\nplatform.freedesktop_os_release[VERSION_ID]: 44\nplatform.libc_ver: glibc 2.42.9000\nplatform.platform: Linux-6.17.0-0.rc7.56.fc44.x86_64-x86_64-with-glibc2.42.9000\nplatform.python_implementation: CPython\n```\n\nThis is similar to https://github.com/python/cpython/issues/73510 and seems to have regressed again. Not sure if this is a kernel bug or CPython bug yet.\n\n### CPython versions tested on:\n\n3.14, 3.13\n\n### Operating systems tested on:\n\nLinux\n\n\u003c!-- gh-linked-prs --\u003e\n### Linked PRs\n* gh-139552\n* gh-139593\n* gh-139594\n* gh-139761\n* gh-139762\n* gh-139763\n* gh-139764\n* gh-149687\n\u003c!-- /gh-linked-prs --\u003e\n","author":{"url":"https://github.com/hroncok","@type":"Person","name":"hroncok"},"datePublished":"2025-09-24T20:37:38.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":15},"url":"https://github.com/139310/cpython/issues/139310"}