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Title: gh-133467: fix data race in type_set_name by kumaraditya303 · Pull Request #137302 · python/cpython · GitHub

Open Graph Title: gh-133467: fix data race in type_set_name by kumaraditya303 · Pull Request #137302 · python/cpython

X Title: gh-133467: fix data race in type_set_name by kumaraditya303 · Pull Request #137302 · python/cpython

Description: This fixes two data races: type_set_name: Assign the new name under stop the world pause to avoid data races with threads concurrently reading and writing name. slot_tp_descr_get: Avoid assignment in slot_tp_descr_get as it is not thread safe in free-threading and is a minor optimization. Issue: gh-133467

Open Graph Description: This fixes two data races: type_set_name: Assign the new name under stop the world pause to avoid data races with threads concurrently reading and writing name. slot_tp_descr_get: Avoid assignment...

X Description: This fixes two data races: type_set_name: Assign the new name under stop the world pause to avoid data races with threads concurrently reading and writing name. slot_tp_descr_get: Avoid assignment...

Opengraph URL: https://github.com/python/cpython/pull/137302

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a2776fb fix some races kumaraditya303 Aug 1, 2025 https://github.com/python/cpython/pull/137302/commits/a2776fb21953aa3436959784262a04f022bf194e
b124620 remove suppressions kumaraditya303 Aug 1, 2025 https://github.com/python/cpython/pull/137302/commits/b12462061462b2ebfe157eaf16683242d32799b4
dfcd1bf decref after starting world kumaraditya303 Aug 1, 2025 https://github.com/python/cpython/pull/137302/commits/dfcd1bf9c75040cd4c0124fd5d74d09cf301c8b8
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