commit 144f77a981ecad8884e1a4e70db72e6fdb609103
author Serhiy Storchaka <storchaka@gmail.com> Sun Nov 20 08:47:21 2016 +0200
committer Serhiy Storchaka <storchaka@gmail.com> Sun Nov 20 08:47:21 2016 +0200
tree 259b8fadf04eb9fc07b7fae95d8164ea75847fd5
parent 93ff8725b3f678586fbbc19d3d4b615b218300ff

Issue #28715: Added error checks for PyUnicode_AsUTF8().

Python/importdl.c

diff --git a/Python/importdl.c b/Python/importdl.c
index 1aa585d..ea4f0e7 100644
--- a/Python/importdl.c
+++ b/Python/importdl.c
@@ -147,6 +147,10 @@
     /* Package context is needed for single-phase init */
     oldcontext = _Py_PackageContext;
     _Py_PackageContext = PyUnicode_AsUTF8(name_unicode);
+    if (_Py_PackageContext == NULL) {
+        _Py_PackageContext = oldcontext;
+        goto error;
+    }
     m = p0();
     _Py_PackageContext = oldcontext;