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GeezerVison is showing github.com — gh-151126: set `MemoryError` on alloc failure in `_PyXIData_InitWithSize` by KowalskiThomas · Pull Request #156301 · python/cpython

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@KowalskiThomas

@KowalskiThomas KowalskiThomas commented Aug 23, 2026 •
edited by bedevere-app Bot
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Relates to #151126.

  • Issue: Many places have missing PyErr_NoMemory() call after failing memory allocation #151126

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@KowalskiThomas
pythongh-151126: Set MemoryError on alloc failure in _PyXIData_InitWi…
8cf9517 
…thSize
@bedevere-app bedevere-app Bot mentioned this pull request Aug 23, 2026
Many places have missing PyErr_NoMemory() call after failing memory allocation #151126
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@KowalskiThomas
KowalskiThomas marked this pull request as ready for review September 1, 2026 13:28
@KowalskiThomas
KowalskiThomas requested a review from ericsnowcurrently as a code owner September 1, 2026 13:28
@bedevere-app bedevere-app Bot added the awaiting review label Sep 1, 2026
cmaloney
cmaloney approved these changes Oct 21, 2026
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@bedevere-app bedevere-app Bot added awaiting core review and removed awaiting review labels Oct 21, 2026
@KowalskiThomas KowalskiThomas changed the title gh-151126: Set MemoryError on alloc failure in _PyXIData_InitWithSize gh-151126: set MemoryError on alloc failure in _PyXIData_InitWithSize Oct 24, 2026
cmaloney
cmaloney reviewed Nov 5, 2026
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Comment thread Python/crossinterp.c Resolved

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@cmaloney
Update Python/crossinterp.c
7cd79d3
cmaloney
cmaloney reviewed Nov 7, 2026
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Comment thread Misc/NEWS.d/next/Core_and_Builtins/2026-08-23-16-31-00.gh-issue-151126.phAWIG.rst Resolved

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@cmaloney cmaloney added needs backport to 3.14 bugs and security fixes needs backport to 3.15 bugs and security fixes labels Nov 7, 2026
KowalskiThomas
KowalskiThomas commented Nov 9, 2026
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Comment thread Misc/NEWS.d/next/Core_and_Builtins/2026-08-23-16-31-00.gh-issue-151126.phAWIG.rst Resolved

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Comment thread Misc/NEWS.d/next/Core_and_Builtins/2026-08-23-16-31-00.gh-issue-151126.phAWIG.rst Resolved

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@KowalskiThomas
review: update Misc/NEWS.d/next/Core_and_Builtins/2026-08-23-16-31-00…
6e7b815 
….gh-issue-151126.phAWIG.rst
@KowalskiThomas
KowalskiThomas requested a review from cmaloney November 9, 2026 06:40
@cmaloney
Merge branch 'main' into kowalski/add-check-xidata-initwithsize
01a7904
@cmaloney
cmaloney merged commit a6018c5 into python:main Nov 12, 2026
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@miss-islington-app

miss-islington-app Bot commented Nov 12, 2026

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Thanks @KowalskiThomas for the PR, and @cmaloney 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 Nov 12, 2026
@bedevere-app

bedevere-app Bot commented Nov 12, 2026

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GH-161905 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 Nov 12, 2026
@bedevere-app

bedevere-app Bot commented Nov 12, 2026

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GH-161906 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 Nov 12, 2026
cmaloney added a commit that referenced this pull request Nov 12, 2026
@miss-islington @KowalskiThomas @cmaloney
[3.15] gh-151126: set MemoryError on alloc failure in `_PyXIData_In…
ef6437e 
…itWithSize` (GH-156301) (#161905)

gh-151126: set `MemoryError` on alloc failure in `_PyXIData_InitWithSize` (GH-156301)
(cherry picked from commit a6018c5)

Co-authored-by: Thomas Kowalski <[email protected]>
Co-authored-by: Cody Maloney <[email protected]>
cmaloney added a commit that referenced this pull request Nov 12, 2026
@miss-islington @KowalskiThomas @cmaloney
[3.14] gh-151126: set MemoryError on alloc failure in `_PyXIData_In…
5dedab8 
…itWithSize` (GH-156301) (#161906)

gh-151126: set `MemoryError` on alloc failure in `_PyXIData_InitWithSize` (GH-156301)
(cherry picked from commit a6018c5)

Co-authored-by: Thomas Kowalski <[email protected]>
Co-authored-by: Cody Maloney <[email protected]>
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@ericsnowcurrently ericsnowcurrently Awaiting requested review from ericsnowcurrently ericsnowcurrently is a code owner
@cmaloney cmaloney Awaiting requested review from cmaloney

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@KowalskiThomas @cmaloney
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