From: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
Date: Mon, 26 Aug 2019 15:49:44 +0000 (-0700)
Subject: bpo-37954: Fix reference leak in the symtable (GH-15514)
X-Git-Tag: v3.8.0b4~33
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=ed8af33cce5554545d2bd079b23fe551d26fb4bd;p=python

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

(cherry picked from commit 4901dc46da5ecb131f8d902a0fbd704934f209e1)

Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
---

diff --git a/Python/symtable.c b/Python/symtable.c
index 18ea57690b..2795e0f111 100644
--- 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