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gh-153932: protect read of ->en_index during enumerate.reduce - #154118

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encukou merged 11 commits into
python:mainfrom
lelynn:fix-issue-153932
Jul 19, 2026
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gh-153932: protect read of ->en_index during enumerate.reduce#154118
encukou merged 11 commits into
python:mainfrom
lelynn:fix-issue-153932

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@lelynn

@lelynn lelynn commented Jul 19, 2026 •
edited by bedevere-app Bot
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@bedevere-app

bedevere-app Bot commented Jul 19, 2026

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Most changes to Python require a NEWS entry. Add one using the blurb_it web app or the blurb command-line tool.

If this change has little impact on Python users, wait for a maintainer to apply the skip news label instead.

@bedevere-app bedevere-app Bot mentioned this pull request Jul 19, 2026
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@encukou encukou added sprint needs backport to 3.14 bugs and security fixes needs backport to 3.15 pre-release feature fixes, bugs and security fixes labels Jul 19, 2026
@github-project-automation github-project-automation Bot moved this to Todo in Sprint Jul 19, 2026
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bedevere-app Bot commented Jul 19, 2026

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Most changes to Python require a NEWS entry. Add one using the blurb_it web app or the blurb command-line tool.

If this change has little impact on Python users, wait for a maintainer to apply the skip news label instead.

@bedevere-app

bedevere-app Bot commented Jul 19, 2026

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Most changes to Python require a NEWS entry. Add one using the blurb_it web app or the blurb command-line tool.

If this change has little impact on Python users, wait for a maintainer to apply the skip news label instead.

encukou
encukou reviewed Jul 19, 2026
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Comment thread Misc/NEWS.d/next/Core_and_Builtins/2026-07-19-12-33-27.gh-issue-153932.lKw2bo.rst Outdated
@encukou
encukou merged commit 1604043 into python:main Jul 19, 2026
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@github-project-automation github-project-automation Bot moved this from Todo to Done in Sprint Jul 19, 2026
@miss-islington-app

miss-islington-app Bot commented Jul 19, 2026

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Thanks @lelynn for the PR, and @encukou for merging it 🌮🎉.. I'm working now to backport this PR to: 3.14, 3.15.
🐍🍒⛏🤖

@bedevere-app

bedevere-app Bot commented Jul 19, 2026

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GH-154128 is a backport of this pull request to the 3.15 branch.

@bedevere-app bedevere-app Bot removed the needs backport to 3.15 pre-release feature fixes, bugs and security fixes label Jul 19, 2026
@bedevere-app

bedevere-app Bot commented Jul 19, 2026

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GH-154129 is a backport of this pull request to the 3.14 branch.

@bedevere-app bedevere-app Bot removed the needs backport to 3.14 bugs and security fixes label Jul 19, 2026
encukou pushed a commit that referenced this pull request Jul 19, 2026
@miss-islington @lelynn
[3.15] gh-153932: protect read of en_index during enumerate.reduce (G…
fd6bd15 
…H-154118) (GH-154128)

gh-153932: protect read of en_index during enumerate.reduce (GH-154118)
(cherry picked from commit 1604043)

Co-authored-by: L. Le <lelynn11@gmail.com>
encukou pushed a commit that referenced this pull request Jul 19, 2026
@miss-islington @lelynn
[3.14] gh-153932: protect read of en_index during enumerate.reduce (G…
4029242 
…H-154118) (GH-154129)

gh-153932: protect read of en_index during enumerate.reduce (GH-154118)
(cherry picked from commit 1604043)

Co-authored-by: L. Le <lelynn11@gmail.com>
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