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Title: `str.replace` can crash under memory pressure · Issue #152228 · python/cpython · GitHub

Open Graph Title: `str.replace` can crash under memory pressure · Issue #152228 · python/cpython

X Title: `str.replace` can crash under memory pressure · Issue #152228 · python/cpython

Description: Crash report Refs #151763 Original description: https://gist.github.com/devdanzin/34b633230f6d2301ba17dec195ffe4b7 as OOM-009 Linked PRs gh-152229 gh-152615 gh-152616 gh-152617

Open Graph Description: Crash report Refs #151763 Original description: https://gist.github.com/devdanzin/34b633230f6d2301ba17dec195ffe4b7 as OOM-009 Linked PRs gh-152229 gh-152615 gh-152616 gh-152617

X Description: Crash report Refs #151763 Original description: https://gist.github.com/devdanzin/34b633230f6d2301ba17dec195ffe4b7 as OOM-009 Linked PRs gh-152229 gh-152615 gh-152616 gh-152617

Opengraph URL: https://github.com/python/cpython/issues/152228

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og:image:altCrash report Refs #151763 Original description: https://gist.github.com/devdanzin/34b633230f6d2301ba17dec195ffe4b7 as OOM-009 Linked PRs gh-152229 gh-152615 gh-152616 gh-152617
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str.replace can crash under memory pressurehttps://github.com/python/cpython/issues/152228#top
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interpreter-core(Objects, Python, Grammar, and Parser dirs)https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22interpreter-core%22
topic-unicodehttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22topic-unicode%22
type-crashA hard crash of the interpreter, possibly with a core dumphttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22type-crash%22
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on Jun 25, 2026https://github.com/python/cpython/issues/152228#issue-4746450300
#151763https://github.com/python/cpython/issues/151763
https://gist.github.com/devdanzin/34b633230f6d2301ba17dec195ffe4b7https://gist.github.com/devdanzin/34b633230f6d2301ba17dec195ffe4b7
gh-152228: Fix an assertion failure in str.replace under a limited memory case #152229https://github.com/python/cpython/pull/152229
[3.15] gh-152228: Fix an assertion failure in str.replace under a limited memory case (GH-152229) #152615https://github.com/python/cpython/pull/152615
[3.14] gh-152228: Fix an assertion failure in str.replace under a limited memory case (GH-152229) #152616https://github.com/python/cpython/pull/152616
[3.13] gh-152228: Fix an assertion failure in str.replace under a limited memory case (GH-152229) #152617https://github.com/python/cpython/pull/152617
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type-crashA hard crash of the interpreter, possibly with a core dumphttps://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22type-crash%22
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