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gh-142664: fix UAF in memoryview.__hash__ via re-entrant data's __hash__ (#143217)

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Bénédikt Tran 2025-12-27 13:12:03 +00:00 • committed by GitHub
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Fix a use-after-free crash in :meth:`memoryview.__hash__ <object.__hash__>`
when the ``__hash__`` method of the referenced object mutates that object or
the view. Patch by Bénédikt Tran.