Index: head/sys/compat/linux/linux_file.c
===================================================================
--- head/sys/compat/linux/linux_file.c
+++ head/sys/compat/linux/linux_file.c
@@ -109,6 +109,8 @@
 		bsd_flags |= O_APPEND;
 	if (l_flags & LINUX_O_SYNC)
 		bsd_flags |= O_FSYNC;
+	if (l_flags & LINUX_O_CLOEXEC)
+		bsd_flags |= O_CLOEXEC;
 	if (l_flags & LINUX_O_NONBLOCK)
 		bsd_flags |= O_NONBLOCK;
 	if (l_flags & LINUX_FASYNC)