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author	Alex Turner <alexturner@meta.com>
	Fri, 10 May 2024 14:26:35 +0000 (15:26 +0100)
committer	GitHub <noreply@github.com>
	Fri, 10 May 2024 14:26:35 +0000 (10:26 -0400)
commit	33d20199af65c741bdc908a968edd8dc179b6974
tree	d9172e4a7410ea8d80f87ca939683cb83e9d00f9	tree \| snapshot
parent	22d5185308f85efa22ec1e8251c409fe1cbd9e6b	commit \| diff

gh-117657: Fix QSBR race condition (#118843)

`_Py_qsbr_unregister` is called when the PyThreadState is already
detached, so the access to `tstate->qsbr` isn't safe without locking the
shared mutex. Grab the `struct _qsbr_shared` from the interpreter
instead.

Include/internal/pycore_qsbr.h		diff \| blob \| blame \| history
Python/pystate.c		diff \| blob \| blame \| history
Python/qsbr.c		diff \| blob \| blame \| history
Tools/tsan/suppressions_free_threading.txt		diff \| blob \| blame \| history

Mirror of https://github.com/python/cpython.git

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