diff -r 373797990f57 Modules/posixmodule.c
--- a/Modules/posixmodule.c	Mon Dec 02 02:56:02 2013 +0100
+++ b/Modules/posixmodule.c	Mon Dec 02 12:03:59 2013 +0800
@@ -1315,10 +1315,16 @@
 path_error(path_t *path)
 {
 #ifdef MS_WINDOWS
-    return PyErr_SetExcFromWindowsErrWithFilenameObject(PyExc_OSError,
-                                                        0, path->object);
-#else
-    return PyErr_SetFromErrnoWithFilenameObject(PyExc_OSError, path->object);
+    if (path)
+        return PyErr_SetExcFromWindowsErrWithFilenameObject(PyExc_OSError,
+                                                            0, path->object);
+    else
+        return PyErr_SetExcFromWindowsErr(PyExc_OSError, 0);
+#else
+    if (path)
+        return PyErr_SetFromErrnoWithFilenameObject(PyExc_OSError, path->object);
+    else
+        return PyErr_SetFromErrno(PyExc_OSError);
 #endif
 }
 
@@ -3526,7 +3532,7 @@
     Py_END_ALLOW_THREADS
 
     if (!result) {
-        return_value = path_error(&src);
+        return_value = path_error(NULL);
         goto exit;
     }
 #else
@@ -3544,7 +3550,7 @@
     Py_END_ALLOW_THREADS
 
     if (result) {
-        return_value = path_error(&src);
+        return_value = path_error(NULL);
         goto exit;
     }
 #endif
@@ -4294,7 +4300,7 @@
     Py_END_ALLOW_THREADS
 
     if (!result) {
-        return_value = path_error(&src);
+        return_value = path_error(NULL);
         goto exit;
     }
 
@@ -4309,7 +4315,7 @@
     Py_END_ALLOW_THREADS
 
     if (result) {
-        return_value = path_error(&src);
+        return_value = path_error(NULL);
         goto exit;
     }
 #endif
@@ -7355,7 +7361,7 @@
     Py_END_ALLOW_THREADS
 
     if (!result) {
-        return_value = path_error(&src);
+        return_value = path_error(NULL);
         goto exit;
     }
 
@@ -7371,7 +7377,7 @@
     Py_END_ALLOW_THREADS
 
     if (result) {
-        return_value = path_error(&src);
+        return_value = path_error(NULL);
         goto exit;
     }
 #endif