commit 22af2599a9f5724664aefb7146427cb4de4d65d3
author Victor Stinner <victor.stinner@gmail.com> Wed Nov 13 12:11:36 2013 +0100
committer Victor Stinner <victor.stinner@gmail.com> Wed Nov 13 12:11:36 2013 +0100
tree c82cc8d0ecc42350e32fcbb6bca662fa3080d55c
parent d3e83e2a3e88cc424d14d9aaff09d03feed1a10f

Issue #19437: Fix PyImport_ImportModuleLevelObject(), handle
PyUnicode_Substring() failure (ex: MemoryError)

Python/import.c

diff --git a/Python/import.c b/Python/import.c
index c96106f..ad181a2 100644
--- a/Python/import.c
+++ b/Python/import.c
@@ -1364,7 +1364,11 @@
                 goto error;
             }
         }
+
         base = PyUnicode_Substring(package, 0, last_dot);
+        if (base == NULL)
+            goto error;
+
         if (PyUnicode_GET_LENGTH(name) > 0) {
             PyObject *borrowed_dot, *seq = NULL;