netdev - Re: Bad behaviour when unintentionally mixing ipv4 and ipv6 addresses

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Date:	Mon, 6 Jun 2011 15:47:30 +0200 (CEST)
From:	Reinhard Max <max@...e.de>
To:	David Miller <davem@...emloft.net>
Cc:	meissner@...e.de, netdev@...r.kernel.org
Subject: Re: Bad behaviour when unintentionally mixing ipv4 and ipv6
 addresses


On Wed, 1 Jun 2011 at 21:03, David Miller wrote:

> Since we haven't been validating the sin_family field for 18+ years, 
> the chance to break some applications is very real.
>
> But I think it's more important to fix this (and force any broken 
> apps to set sin_family correctly).  So I will apply this, thanks.

I think a corresponding check should also go into inet6_bind() in 
net/ipv6/af_inet6.c .


cu
 	Reinhard
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