[3.13] GH-91636: Clear weakrefs created by finalizers. (GH-136401)#144214
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ambv merged 4 commits intoMar 23, 2026
python:3.13python/cpython:3.13from
sergey-miryanov:backport-b6b99bf-3.13sergey-miryanov/cpython:backport-b6b99bf-3.13Copy head branch name to clipboard
Merged
[3.13] GH-91636: Clear weakrefs created by finalizers. (GH-136401)#144214ambv merged 4 commits intopython:3.13python/cpython:3.13from sergey-miryanov:backport-b6b99bf-3.13sergey-miryanov/cpython:backport-b6b99bf-3.13Copy head branch name to clipboard
ambv merged 4 commits into
python:3.13python/cpython:3.13from
sergey-miryanov:backport-b6b99bf-3.13sergey-miryanov/cpython:backport-b6b99bf-3.13Copy head branch name to clipboard
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I think this needs re-applying to 3.14 if we're going to do it for 3.13. it was removed (likely temporarily) from 3.14 as a risk mitigation for 3.14.1 (see issue and prs) |
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I understand. At least we have "working" PR for backporting if we decide so :) |
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What's the status of this change? Did it land in 3.14 again or not? |
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The 3.14 change is #144444? |
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@vstinner Yes. |
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Weakrefs to unreachable garbage that are created during running of finalizers need to be cleared. This avoids exposing objects that have
tp_clearcalled on them to Python-level code. (cherry picked from commit b6b99bf)