diff -r 287bb82768a7 Lib/os.py
--- a/Lib/os.py	Sun Dec 13 22:10:58 2015 -0800
+++ b/Lib/os.py	Mon Dec 14 21:23:42 2015 +1100
@@ -514,7 +514,7 @@
             except OSError as err:
                 if onerror is not None:
                     onerror(err)
-                return
+                continue
             try:
                 if follow_symlinks or path.samestat(orig_st, stat(dirfd)):
                     dirpath = path.join(toppath, name)