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Title: gh-144774: Fix data race in BaseException.__setstate__ in free-thread… by priyanshu2282-cyber · Pull Request #144828 · python/cpython · GitHub

Open Graph Title: gh-144774: Fix data race in BaseException.__setstate__ in free-thread… by priyanshu2282-cyber · Pull Request #144828 · python/cpython

X Title: gh-144774: Fix data race in BaseException.__setstate__ in free-thread… by priyanshu2282-cyber · Pull Request #144828 · python/cpython

Description: This change ensures that the dictionary iteration happens under the appropriate critical section, preventing concurrent access during the operation. This fixes the race condition reported in gh-144774.

Open Graph Description: This change ensures that the dictionary iteration happens under the appropriate critical section, preventing concurrent access during the operation. This fixes the race condition reported in gh-144...

X Description: This change ensures that the dictionary iteration happens under the appropriate critical section, preventing concurrent access during the operation. This fixes the race condition reported in gh-144...

Opengraph URL: https://github.com/python/cpython/pull/144828

X: @github

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468c752 gh-144774: Fix data race in BaseException.__setstate__ in free-thread… priyanshu2282-cyber Feb 15, 2026 https://github.com/python/cpython/pull/144828/commits/468c752992d9ae8bad80656301ea4cb845b34e26
37eb2fe corrected change priyanshu2282-cyber Feb 15, 2026 https://github.com/python/cpython/pull/144828/commits/37eb2fe76f796bfc38dfbea30d5316c34084d7c0
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