bug [ 868706 ] Calling builtin function 'eval' from C causes seg fault.
diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c
index 2cadb49..d4e9a22 100644
--- a/Python/bltinmodule.c
+++ b/Python/bltinmodule.c
@@ -542,6 +542,13 @@
else if (locals == Py_None)
locals = globals;
+ if (globals == NULL || locals == NULL) {
+ PyErr_SetString(PyExc_TypeError,
+ "eval must be given globals and locals "
+ "when called without a frame");
+ return NULL;
+ }
+
if (PyDict_GetItemString(globals, "__builtins__") == NULL) {
if (PyDict_SetItemString(globals, "__builtins__",
PyEval_GetBuiltins()) != 0)