bpo-37954: Fix reference leak in the symtable (pythonGH-15514)

Yhg1s · Aug 26, 2019 · 4901dc4 · 4901dc4
1 parent 52c1a6a
commit 4901dc4
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/Python/symtable.c b/Python/symtable.c
@@ -999,7 +999,9 @@ symtable_lookup(struct symtable *st, PyObject *name)
     PyObject *mangled = _Py_Mangle(st->st_private, name);
     if (!mangled)
         return 0;
-    return _PyST_GetSymbol(st->st_cur, mangled);
+    long ret = _PyST_GetSymbol(st->st_cur, mangled);
+    Py_DECREF(mangled);
+    return ret;
 }
 
 static int