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gh-109700: fix interp finalization while handling memory error #136342

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Merged
merged 1 commit into from
Jul 7, 2025
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gh-109700: fix interp finalization while handling memory error #136342

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14 changes: 7 additions & 7 deletions Python/pylifecycle.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1702,8 +1702,10 @@ finalize_modules(PyThreadState *tstate)
#endif

// Stop watching __builtin__ modifications
PyDict_Unwatch(0, interp->builtins);

if (PyDict_Unwatch(0, interp->builtins) < 0) {
// might happen if interp is cleared before watching the __builtin__
PyErr_Clear();
}
PyObject *modules = _PyImport_GetModules(interp);
if (modules == NULL) {
// Already done
Expand Down Expand Up @@ -2377,15 +2379,13 @@ new_interpreter(PyThreadState **tstate_p,
error:
*tstate_p = NULL;
if (tstate != NULL) {
PyThreadState_Clear(tstate);
_PyThreadState_Detach(tstate);
PyThreadState_Delete(tstate);
Py_EndInterpreter(tstate);
} else {
PyInterpreterState_Delete(interp);
}
if (save_tstate != NULL) {
_PyThreadState_Attach(save_tstate);
}
PyInterpreterState_Delete(interp);

return status;
}

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