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Title: [3.13] gh-148820: Fix _PyRawMutex use-after-free on spurious semaphore wakeup (gh-148852) by colesbury · Pull Request #148885 · python/cpython · GitHub

Open Graph Title: [3.13] gh-148820: Fix _PyRawMutex use-after-free on spurious semaphore wakeup (gh-148852) by colesbury · Pull Request #148885 · python/cpython

X Title: [3.13] gh-148820: Fix _PyRawMutex use-after-free on spurious semaphore wakeup (gh-148852) by colesbury · Pull Request #148885 · python/cpython

Description: The Python programming language. Contribute to python/cpython development by creating an account on GitHub.

Open Graph Description: _PyRawMutex_UnlockSlow CAS-removes the waiter from the list and then calls _PySemaphore_Wakeup, with no handshake. If _PySemaphore_Wait returns Py_PARK_INTR, the waiter can destroy its stack-alloca...

X Description: _PyRawMutex_UnlockSlow CAS-removes the waiter from the list and then calls _PySemaphore_Wakeup, with no handshake. If _PySemaphore_Wait returns Py_PARK_INTR, the waiter can destroy its stack-alloca...

Opengraph URL: https://github.com/python/cpython/pull/148885

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