gh-144012: Check null binary op extend (#144014)

Python/bytecodes.c

@@ -839,6 +839,7 @@ dummy_func(
 
             PyObject *res_o = d->action(left_o, right_o);
             DECREF_INPUTS();
+            ERROR_IF(res_o == NULL);
             res = PyStackRef_FromPyObjectSteal(res_o);
         }
 

Python/executor_cases.c.h

@@ -5176,6 +5176,10 @@
             stack_pointer = _PyFrame_GetStackPointer(frame);
             stack_pointer += -2;
             ASSERT_WITHIN_STACK_BOUNDS(__FILE__, __LINE__);
+            if (res_o == NULL) {
+                SET_CURRENT_CACHED_VALUES(0);
+                JUMP_TO_ERROR();
+            }
             res = PyStackRef_FromPyObjectSteal(res_o);
             _tos_cache0 = res;
             _tos_cache1 = PyStackRef_ZERO_BITS;

Python/generated_cases.c.h

@@ -359,6 +359,9 @@
                 stack_pointer = _PyFrame_GetStackPointer(frame);
                 stack_pointer += -2;
                 ASSERT_WITHIN_STACK_BOUNDS(__FILE__, __LINE__);
+                if (res_o == NULL) {
+                    JUMP_TO_LABEL(error);
+                }
                 res = PyStackRef_FromPyObjectSteal(res_o);
             }
             stack_pointer[0] = res;