commit e2546172622dd52692cf0e26c2b931f942f345b6
author Serhiy Storchaka <storchaka@gmail.com> Wed Apr 19 23:59:02 2017 +0300
committer GitHub <noreply@github.com> Wed Apr 19 23:59:02 2017 +0300
tree c6bdf2e0cfd72b9336ace43c587680910275c5bd
parent 39dedb6e1a18069ce8f5c8e6076e9d9ef9d6d515

[3.6] bpo-30065: Fixed arguments validation in _posixsubprocess.fork_exec(). (GH-1110) (#1186)

(cherry picked from commit 66bffd1)

Lib/multiprocessing/util.py

diff --git a/Lib/multiprocessing/util.py b/Lib/multiprocessing/util.py
index 1a2c0db..0ce274c 100644
--- a/Lib/multiprocessing/util.py
+++ b/Lib/multiprocessing/util.py
@@ -386,7 +386,7 @@
 
 def spawnv_passfds(path, args, passfds):
     import _posixsubprocess
-    passfds = sorted(passfds)
+    passfds = tuple(sorted(map(int, passfds)))
     errpipe_read, errpipe_write = os.pipe()
     try:
         return _posixsubprocess.fork_exec(