netdev - Re: [PATCH net v4] ipv6: mld: fix add_grhead skb_over

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Message-ID: <1415220449.13896.15.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Wed, 05 Nov 2014 12:47:29 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Daniel Borkmann <dborkman@...hat.com>
Cc:	davem@...emloft.net, lw1a2.jing@...il.com, netdev@...r.kernel.org,
	Eric Dumazet <edumazet@...gle.com>,
	Hannes Frederic Sowa <hannes@...essinduktion.org>,
	David L Stevens <david.stevens@...cle.com>
Subject: Re: [PATCH net v4] ipv6: mld: fix add_grhead skb_over_panic for
 devs with large MTUs

On Wed, 2014-11-05 at 20:27 +0100, Daniel Borkmann wrote:
> It has been reported that generating an MLD listener report on
> devices with large MTUs (e.g. 9000) and a high number of IPv6
> addresses can trigger a skb_over_panic():
...
> 
> Reported-by: Wei Liu <lw1a2.jing@...il.com>
> Fixes: 72e09ad107e7 ("ipv6: avoid high order allocations")
> Signed-off-by: Daniel Borkmann <dborkman@...hat.com>
> Cc: Eric Dumazet <edumazet@...gle.com>
> Cc: Hannes Frederic Sowa <hannes@...essinduktion.org>
> Cc: David L Stevens <david.stevens@...cle.com>
> ---
>  v3->v4:
>   - Reduced noise from previous one as discussed

Thanks for your patience ;)

Acked-by: Eric Dumazet <edumazet@...gle.com>


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