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GeezerVison is showing github.com — gh-159739: Handle overlapping buffers in BytesIO.readinto by jelle-openai · Pull Request #159777 · python/cpython

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@jelle-openai

@jelle-openai jelle-openai commented Oct 19, 2026 •
edited by bedevere-app Bot
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  • Issue: Fix minor safety issues #159739

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@JelleZijlstra
pythongh-159739: Handle overlapping buffers in BytesIO.readinto
ec77aac 
Backport to 3.15 and 3.14 (move the test to Lib/test/test_memoryio.py on 3.14).
@bedevere-app bedevere-app Bot added the awaiting review label Oct 19, 2026
@bedevere-app bedevere-app Bot mentioned this pull request Oct 19, 2026
Fix minor safety issues #159739
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@JelleZijlstra JelleZijlstra added needs backport to 3.14 bugs and security fixes needs backport to 3.15 bugs and security fixes labels Oct 19, 2026
cmaloney
cmaloney approved these changes Oct 19, 2026
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@bedevere-app bedevere-app Bot added awaiting core review and removed awaiting review labels Oct 19, 2026
@JelleZijlstra
JelleZijlstra merged commit 17df836 into python:main Oct 20, 2026
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@miss-islington-app

miss-islington-app Bot commented Oct 20, 2026

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Thanks @jelle-openai for the PR, and @JelleZijlstra for merging it 🌮🎉.. I'm working now to backport this PR to: 3.14, 3.15.
🐍🍒⛏🤖
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@bedevere-app bedevere-app Bot removed the awaiting core review label Oct 20, 2026
@bedevere-app

bedevere-app Bot commented Oct 20, 2026

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GH-159902 is a backport of this pull request to the 3.15 branch.
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@bedevere-app bedevere-app Bot removed the needs backport to 3.15 bugs and security fixes label Oct 20, 2026
@bedevere-app

bedevere-app Bot commented Oct 20, 2026

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GH-159903 is a backport of this pull request to the 3.14 branch.
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@bedevere-app bedevere-app Bot removed the needs backport to 3.14 bugs and security fixes label Oct 20, 2026
JelleZijlstra added a commit that referenced this pull request Oct 20, 2026
@miss-islington @jelle-openai @JelleZijlstra
[3.15] gh-159739: Handle overlapping buffers in BytesIO.readinto (GH-…
f0986f3 
…159777) (#159902)

(cherry picked from commit 17df836)

Co-authored-by: Jelle Zijlstra <[email protected]>
Co-authored-by: Jelle Zijlstra <[email protected]>
JelleZijlstra added a commit that referenced this pull request Oct 20, 2026
@miss-islington @jelle-openai @JelleZijlstra
[3.14] gh-159739: Handle overlapping buffers in BytesIO.readinto (GH-…
55e40b6 
…159777) (#159903)

(cherry picked from commit 17df836)

Co-authored-by: Jelle Zijlstra <[email protected]>
Co-authored-by: Jelle Zijlstra <[email protected]>
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@cmaloney cmaloney cmaloney approved these changes

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3 participants

@jelle-openai @cmaloney @JelleZijlstra
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