From: Benjamin Peterson <benjamin@python.org>
Date: Sat, 3 Dec 2016 20:01:32 +0000 (-0800)
Subject: fix refleak in null-containing error case (#21147)
X-Git-Tag: v2.7.13rc1~4
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=26c985a8aac1640b5cda1ff278f749933aa118c3;p=python

fix refleak in null-containing error case (#21147)
---

diff --git a/Modules/_sqlite/statement.c b/Modules/_sqlite/statement.c
index 04fcc5b41f..5d6263c8e6 100644
--- a/Modules/_sqlite/statement.c
+++ b/Modules/_sqlite/statement.c
@@ -74,8 +74,9 @@ int pysqlite_statement_create(pysqlite_Statement* self, pysqlite_Connection* con
         rc = PYSQLITE_SQL_WRONG_TYPE;
         return rc;
     }
-    sql_cstr = PyString_AsString(sql_str);
+    sql_cstr = PyString_AS_STRING(sql_str);
     if (strlen(sql_cstr) != (size_t)PyString_GET_SIZE(sql_str)) {
+        Py_DECREF(sql_str);
         PyErr_SetString(PyExc_ValueError, "the query contains a null character");
         return PYSQLITE_SQL_WRONG_TYPE;
     }