diff options
Diffstat (limited to 'Python/pystate.c')
| -rw-r--r-- | Python/pystate.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Python/pystate.c b/Python/pystate.c index 1ea1ad9..ad7e082 100644 --- a/Python/pystate.c +++ b/Python/pystate.c @@ -2808,12 +2808,18 @@ PyGILState_Release(PyGILState_STATE oldstate) /* can't have been locked when we created it */ assert(oldstate == PyGILState_UNLOCKED); // XXX Unbind tstate here. + // gh-119585: `PyThreadState_Clear()` may call destructors that + // themselves use PyGILState_Ensure and PyGILState_Release, so make + // sure that gilstate_counter is not zero when calling it. + ++tstate->gilstate_counter; PyThreadState_Clear(tstate); + --tstate->gilstate_counter; /* Delete the thread-state. Note this releases the GIL too! * It's vital that the GIL be held here, to avoid shutdown * races; see bugs 225673 and 1061968 (that nasty bug has a * habit of coming back). */ + assert(tstate->gilstate_counter == 0); assert(current_fast_get() == tstate); _PyThreadState_DeleteCurrent(tstate); } |