gh-144986: Fix memory leak in atexit.register()#144987
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pablogsal merged 8 commits intopython:mainfrom Feb 19, 2026
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gh-144986: Fix memory leak in atexit.register()#144987pablogsal merged 8 commits intopython:mainfrom
pablogsal merged 8 commits intopython:mainfrom
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Misc/NEWS.d/next/Library/2026-02-19-00-00-00.gh-issue-144986.atexit-leak.rst
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…texit-leak.rst Co-authored-by: Stan Ulbrych <[email protected]>
pablogsal
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Feb 19, 2026
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Thanks for the fix @ashm-dev ! |
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Does this affect 3.13? |
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Thanks @ashm-dev for the PR, and @pablogsal for merging it 🌮🎉.. I'm working now to backport this PR to: 3.14. |
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(cherry picked from commit 50c1471) Co-authored-by: Shamil <[email protected]>
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GH-145020 is a backport of this pull request to the 3.14 branch. |
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@pablogsal No, it is not. Method was rewritten in 3.14 (3b76682). |
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PyTuple_GetSlice()inatexit_register()returns a new reference that was never decref'd, leaking a tuple on everyatexit.register()call.Also added a missing NULL check after
PyTuple_GetSlice().atexit.register(): missingPy_DECREFforfunc_argstuple #144986