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gh-131173: Improve exception handling during take_ownership processing (#132620)

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Save and restore exceptions during take_ownership processing to preserve
exceptions currently being raised.

Co-authored-by: alperyoney <alperyoney@fb.com>
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Alper 2025-04-17 13:38:34 -07:00 • committed by GitHub
parent 1d529cbc89
commit 22830103e5
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Python/frame.c
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@ -69,6 +69,7 @@ take_ownership(PyFrameObject *f, _PyInterpreterFrame *frame)
_PyInterpreterFrame *prev = _PyFrame_GetFirstComplete(frame->previous);
if (prev) {
assert(prev->owner < FRAME_OWNED_BY_INTERPRETER);
PyObject *exc = PyErr_GetRaisedException();
/* Link PyFrameObjects.f_back and remove link through _PyInterpreterFrame.previous */
PyFrameObject *back = _PyFrame_GetFrameObject(prev);
if (back == NULL) {
@ -80,6 +81,7 @@ take_ownership(PyFrameObject *f, _PyInterpreterFrame *frame)
else {
f->f_back = (PyFrameObject *)Py_NewRef(back);
}
PyErr_SetRaisedException(exc);
}
if (!_PyObject_GC_IS_TRACKED((PyObject *)f)) {
_PyObject_GC_TRACK((PyObject *)f);