From 41aa764010f7979de131dbf7fe57ed16445cca14 Mon Sep 17 00:00:00 2001
From: Giuseppe Scrivano <gscrivan@redhat.com>
Date: Fri, 6 Nov 2020 11:36:45 +0100
Subject: [PATCH] linux: drop MS_REC for readonly remount

it has no effect.

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
---
 libcontainer/rootfs_linux.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libcontainer/rootfs_linux.go b/libcontainer/rootfs_linux.go
index e6e20c60b..7e03afc9d 100644
--- a/libcontainer/rootfs_linux.go
+++ b/libcontainer/rootfs_linux.go
@@ -741,7 +741,7 @@ func prepareRoot(config *configs.Config) error {
 }
 
 func setReadonly() error {
-	flags := uintptr(unix.MS_BIND | unix.MS_REMOUNT | unix.MS_RDONLY | unix.MS_REC)
+	flags := uintptr(unix.MS_BIND | unix.MS_REMOUNT | unix.MS_RDONLY)
 
 	err := unix.Mount("", "/", "", flags, "")
 	if err == nil {