diff --git a/[refs] b/[refs]
index ede34982af39..f965e640ed41 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 58ec42b061bf5dad8fa0370a19966cfd96eaf80c
+refs/heads/master: 3c333937ee3be114b181c4861188cfe8f6a59697
diff --git a/trunk/fs/fcntl.c b/trunk/fs/fcntl.c
index 9679fcbdeaa0..ce12a6885115 100644
--- a/trunk/fs/fcntl.c
+++ b/trunk/fs/fcntl.c
@@ -139,8 +139,13 @@ asmlinkage long sys_dup3(unsigned int oldfd, unsigned int newfd, int flags)
 	if (!(file = fcheck(oldfd)))
 		goto out_unlock;
 	err = newfd;
-	if (newfd == oldfd)
+	if (unlikely(newfd == oldfd)) {
+		if (flags & O_CLOEXEC) {
+			fdt = files_fdtable(files);
+			FD_SET(newfd, fdt->close_on_exec);
+		}
 		goto out_unlock;
+	}
 	err = -EBADF;
 	if (newfd >= current->signal->rlim[RLIMIT_NOFILE].rlim_cur)
 		goto out_unlock;