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gh-129766: Fix crash on calling warnings._release_lock with no lock (#129771)

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sobolevn 2025-02-07 12:59:52 +03:00 • committed by GitHub
parent e2064d6750
commit ae132edc29
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3 changed files with 19 additions and 3 deletions
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9
Python/_warnings.c
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@ -240,12 +240,12 @@ warnings_lock(PyInterpreterState *interp)
_PyRecursiveMutex_Lock(&st->lock);
}
static inline void
static inline int
warnings_unlock(PyInterpreterState *interp)
{
WarningsState *st = warnings_get_state(interp);
assert(st != NULL);
_PyRecursiveMutex_Unlock(&st->lock);
return _PyRecursiveMutex_TryUnlock(&st->lock);
}
static inline bool
@ -284,7 +284,10 @@ warnings_release_lock_impl(PyObject *module)
if (interp == NULL) {
return NULL;
}
warnings_unlock(interp);
if (warnings_unlock(interp) < 0) {
PyErr_SetString(PyExc_RuntimeError, "cannot release un-acquired lock");
return NULL;
}
Py_RETURN_NONE;
}