netdev - Re: [PATCH next v3 1/3] ipvlan: scrub skb before routing in L3 mode.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 18 Feb 2016 09:55:40 -0800
From:	Cong Wang <xiyou.wangcong@...il.com>
To:	Mahesh Bandewar <mahesh@...dewar.net>
Cc:	David Miller <davem@...emloft.net>,
	Mahesh Bandewar <maheshb@...gle.com>,
	Eric Dumazet <edumazet@...gle.com>,
	netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH next v3 1/3] ipvlan: scrub skb before routing in L3 mode.

On Wed, Feb 17, 2016 at 7:52 PM, Mahesh Bandewar <mahesh@...dewar.net> wrote:
> From: Mahesh Bandewar <maheshb@...gle.com>
>
> Scrub skb before hitting the iptable hooks to ensure packets hit
> these hooks in master's namespace.
>
> Signed-off-by: Mahesh Bandewar <maheshb@...gle.com>
> ---
>  drivers/net/ipvlan/ipvlan_core.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/ipvlan/ipvlan_core.c b/drivers/net/ipvlan/ipvlan_core.c
> index 8c48bb2a94ea..a1f87ec316cf 100644
> --- a/drivers/net/ipvlan/ipvlan_core.c
> +++ b/drivers/net/ipvlan/ipvlan_core.c
> @@ -365,7 +365,7 @@ static int ipvlan_process_v4_outbound(struct sk_buff *skb)
>                 ip_rt_put(rt);
>                 goto err;
>         }
> -       skb_dst_drop(skb);
> +       skb_scrub_packet(skb, true);
>         skb_dst_set(skb, &rt->dst);
>         err = ip_local_out(net, skb->sk, skb);
>         if (unlikely(net_xmit_eval(err)))
> @@ -403,7 +403,7 @@ static int ipvlan_process_v6_outbound(struct sk_buff *skb)
>                 dst_release(dst);
>                 goto err;
>         }
> -       skb_dst_drop(skb);
> +       skb_scrub_packet(skb, true);

At least this patch is still same with the previous version. Or am I
missing anything?