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[3.15] gh-159739: Keep SQLite list parameters alive while binding (GH-160192) - #160361
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…honGH-160192) When a SQL parameter sequence is an exact list, sqlite3 retrieved an element as a borrowed reference before taking ownership. On free-threaded builds another thread can replace it in between, so binding can use a freed object and crash. Fetch a strong reference atomically. Backport to 3.15 and 3.14. (cherry picked from commit 4df47d8) Co-authored-by: Jelle Zijlstra <jelle@openai.com>
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When a SQL parameter sequence is an exact list, sqlite3 retrieved an element as a borrowed reference before taking ownership. On free-threaded builds another thread can replace it in between, so binding can use a freed object and crash. Fetch a strong reference atomically. Backport to 3.15 and 3.14.
(cherry picked from commit 4df47d8)
Co-authored-by: Jelle Zijlstra jelle@openai.com