From 848ee099f5b36650fa7c23ec91110f319e40fd13 Mon Sep 17 00:00:00 2001
From: Christian Heimes <christian@cheimes.de>
Date: Thu, 11 Jul 2013 11:22:21 +0200
Subject: Issue #18426: Fix NULL pointer dereference in C extension import when
 PyModule_GetDef() returns an error.

---
 Python/importdl.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'Python')

diff --git a/Python/importdl.c b/Python/importdl.c
index 942e4b8d28..e393de153b 100644
--- a/Python/importdl.c
+++ b/Python/importdl.c
@@ -97,6 +97,8 @@ _PyImport_LoadDynamicModule(PyObject *name, PyObject *path, FILE *fp)
 
     /* Remember pointer to module init function. */
     def = PyModule_GetDef(m);
+    if (def == NULL)
+        goto error;
     def->m_base.m_init = p;
 
     /* Remember the filename as the __file__ attribute */
-- 
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