ceval.c: catch recursion error on _PyUnicode_AsString(co->co_filename)

a0006457 · Victor Stinner · 80603996 · a0006457
Commit a0006457 authored Oct 13, 2010 by Victor Stinner
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Python/ceval.c Python/ceval.c +4 -0

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--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -1232,6 +1232,10 @@ PyEval_EvalFrameEx(PyFrameObject *f, int throwflag)
        PyObject *error_type, *error_value, *error_traceback;
        PyErr_Fetch(&error_type, &error_value, &error_traceback);
        filename = _PyUnicode_AsString(co->co_filename);
+        if (filename == NULL && tstate->overflowed) {
+            /* maximum recursion depth exceeded */
+            goto exit_eval_frame;
+        }
        PyErr_Restore(error_type, error_value, error_traceback);
    }
 #endif