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GeezerVison is showing github.com — [3.14] gh-159739: Preserve the normalization buffer on allocation failure (GH-159755) by jelle-openai · Pull Request #159933 · python/cpython

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@jelle-openai

@jelle-openai jelle-openai commented Oct 20, 2026 •
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Backport GH-159755 to Python 3.14.

  • Issue: Fix minor safety issues #159739

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@jelle-openai
[3.14] pythongh-159739: Preserve the normalization buffer on allocati…
d4d9719 
…on failure (pythonGH-159755)

Save the original buffer before calling PyMem_Resize(), which overwrites its first argument even on failure.

(cherry picked from commit c38d75c)
@bedevere-app bedevere-app Bot mentioned this pull request Oct 20, 2026
gh-159739: Preserve the normalization buffer on allocation failure #159755
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@bedevere-app bedevere-app Bot added the awaiting review label Oct 20, 2026
@bedevere-app bedevere-app Bot mentioned this pull request Oct 20, 2026
Fix minor safety issues #159739
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@JelleZijlstra
JelleZijlstra enabled auto-merge (squash) October 20, 2026 18:16
@JelleZijlstra
JelleZijlstra merged commit 4147bcc into python:3.14 Oct 20, 2026
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@bedevere-app bedevere-app Bot removed the awaiting review label Oct 20, 2026
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2 participants

@jelle-openai @JelleZijlstra
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