Alexey Dobriyan wrote:
> Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru>
> ---
> 
>  kernel/user_namespace.c |    1 +
>  1 file changed, 1 insertion(+)
> 
> --- a/kernel/user_namespace.c
> +++ b/kernel/user_namespace.c
> @@ -81,6 +81,7 @@ void free_user_ns(struct kref *kref)
>  	struct user_namespace *ns;
> 
>  	ns = container_of(kref, struct user_namespace, kref);
> +	free_uid(ns->root_user);
>  	kfree(ns);
>  }

Indeed ... 

Thanks !

C.