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[3.14] gh-146092: Handle _PyFrame_GetFrameObject() failures properly (#146124) #146132

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Merged
vstinner merged 1 commit into from
Mar 18, 2026
+18 −7
Merged

[3.14] gh-146092: Handle _PyFrame_GetFrameObject() failures properly (#146124) #146132

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3 changes: 3 additions & 0 deletions Objects/frameobject.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2288,6 +2288,9 @@ _PyFrame_GetLocals(_PyInterpreterFrame *frame)
}

PyFrameObject* f = _PyFrame_GetFrameObject(frame);
if (f == NULL) {
return NULL;
}

return _PyFrameLocalsProxy_New(f);
}
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22 changes: 15 additions & 7 deletions Python/ceval.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2293,14 +2293,17 @@ _PyEval_ExceptionGroupMatch(_PyInterpreterFrame *frame, PyObject* exc_value,
return -1;
}
PyFrameObject *f = _PyFrame_GetFrameObject(frame);
if (f != NULL) {
PyObject *tb = _PyTraceBack_FromFrame(NULL, f);
if (tb == NULL) {
return -1;
}
PyException_SetTraceback(wrapped, tb);
Py_DECREF(tb);
if (f == NULL) {
Py_DECREF(wrapped);
return -1;
}

PyObject *tb = _PyTraceBack_FromFrame(NULL, f);
if (tb == NULL) {
return -1;
}
PyException_SetTraceback(wrapped, tb);
Py_DECREF(tb);
*match = wrapped;
}
*rest = Py_NewRef(Py_None);
Expand Down Expand Up @@ -2778,6 +2781,11 @@ PyEval_GetLocals(void)

if (PyFrameLocalsProxy_Check(locals)) {
PyFrameObject *f = _PyFrame_GetFrameObject(current_frame);
if (f == NULL) {
Py_DECREF(locals);
return NULL;
}

PyObject *ret = f->f_locals_cache;
if (ret == NULL) {
ret = PyDict_New();
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