diff options
| -rw-r--r-- | fs/overlayfs/super.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c index 2bd570cbe8a4..82cd6d55a5a1 100644 --- a/fs/overlayfs/super.c +++ b/fs/overlayfs/super.c @@ -1923,6 +1923,10 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent) unsigned int numlower; int err; + err = -EIO; + if (WARN_ON(sb->s_user_ns != current_user_ns())) + goto out; + sb->s_d_op = &ovl_dentry_operations; err = -ENOMEM; |