[Devel] [PATCH] netfilter: allow adding matches from the container initial user namespace

[Kirill Tkhai]

On 05.06.2017 21:05, Stanislav Kinsburskiy wrote:
> https://jira.sw.ru/browse/PSBM-43609
> 
> Signed-off-by: Stanislav Kinsburskiy <skinsbursky at virtuozzo.com>

Acked-by: Kirill Tkhai <ktkhai at virtuozzo.com>

> ---
>  net/netfilter/xt_owner.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/net/netfilter/xt_owner.c b/net/netfilter/xt_owner.c
> index 79558fe..942cce1 100644
> --- a/net/netfilter/xt_owner.c
> +++ b/net/netfilter/xt_owner.c
> @@ -83,7 +83,7 @@ static int owner_check(const struct xt_mtchk_param *par)
>  
>  	/* For now only allow adding matches from the initial user namespace */
>  	if ((info->match & (XT_OWNER_UID|XT_OWNER_GID)) &&
> -	    (current_user_ns() != &init_user_ns))
> +	    !current_user_ns_initial())
>  		return -EINVAL;
>  	return 0;
>  }
>