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gh-142556: fix crash when a task gets re-registered during finalization by kumaraditya303 · Pull Request #142565 · python/cpython · GitHub
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gh-142556: fix crash when a task gets re-registered during finalization#142565

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kumaraditya303 merged 2 commits into
python:mainfrom
kumaraditya303:asyncio-crash
Dec 11, 2025
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gh-142556: fix crash when a task gets re-registered during finalization#142565
kumaraditya303 merged 2 commits into
python:mainfrom
kumaraditya303:asyncio-crash

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kumaraditya303 commented Dec 11, 2025 •
edited by bedevere-app Bot
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bedevere-app Bot mentioned this pull request Dec 11, 2025
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kumaraditya303 added the needs backport to 3.14 bugs and security fixes label Dec 11, 2025
kumaraditya303 linked an issue Dec 11, 2025 that may be closed by this pull request
Use-after-free in asyncio Task deallocation via re-registering task in call_exception_handler #142556
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Hide details View details kumaraditya303 merged commit 42d2bed into python:main Dec 11, 2025
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miss-islington-app Bot commented Dec 11, 2025

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Thanks @kumaraditya303 for the PR 🌮🎉.. I'm working now to backport this PR to: 3.14.
🐍🍒⛏🤖

kumaraditya303 deleted the asyncio-crash branch December 11, 2025 09:34
miss-islington pushed a commit to miss-islington/cpython that referenced this pull request Dec 11, 2025
pythongh-142556: fix crash when a task gets re-registered during fina… …
a2f5929
…lization in `asyncio` (pythonGH-142565) (cherry picked from commit 42d2bed) Co-authored-by: Kumar Aditya <kumaraditya@python.org>

bedevere-app Bot commented Dec 11, 2025

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GH-142566 is a backport of this pull request to the 3.14 branch.

bedevere-app Bot removed the needs backport to 3.14 bugs and security fixes label Dec 11, 2025
kumaraditya303 added a commit that referenced this pull request Dec 11, 2025
[3.14] gh-142556: fix crash when a task gets re-registered during fin… …
7218be0
…alization in `asyncio` (GH-142565) (#142566) gh-142556: fix crash when a task gets re-registered during finalization in `asyncio` (GH-142565) (cherry picked from commit 42d2bed) Co-authored-by: Kumar Aditya <kumaraditya@python.org>
fatelei pushed a commit to fatelei/cpython that referenced this pull request Dec 12, 2025
pythongh-142556: fix crash when a task gets re-registered during fina… …
4a412fc
…lization in `asyncio` (python#142565)
devdanzin mentioned this pull request Jul 16, 2026
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Use-after-free in asyncio Task deallocation via re-registering task in call_exception_handler

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