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author	Sam Gross <colesbury@gmail.com>
	Fri, 8 Mar 2024 17:39:53 +0000 (12:39 -0500)
committer	GitHub <noreply@github.com>
	Fri, 8 Mar 2024 17:39:53 +0000 (12:39 -0500)
commit	cca30230d992c46dfb607dcc24b3dc2e6d05f536
tree	171669b5ce0ef42762da805aeb00d8c110249ba0	tree \| snapshot
parent	7cee276d551a41d9271daf2a6bcd7def55555973	commit \| diff

gh-115103: Fix unregistering of QSBR state (#116480)

If a thread blocks while waiting on the `shared->mutex` lock, the array
of QSBR states may be reallocated. The `tstate->qsbr` values before the
lock is acquired may not be the same as the value after the lock is acquired.

Python/qsbr.c

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