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

4901dc46 · Pablo Galindo · GitHub · 52c1a6a1 · 4901dc46
Commit 4901dc46 authored Aug 26, 2019 by Pablo Galindo Committed by GitHub Aug 26, 2019
Hide whitespace changes
Inline Side-by-side

Showing with 3 additions and 1 deletion

Python/symtable.c Python/symtable.c +3 -1

No files found.
--- 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