From: Paul LeoNerd Evans <leonerd@leonerd.org.uk>
To: Patrick McHardy <kaber@trash.net>
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH] Socket filter ancilliary data access for skb->dev->type
Date: Thu, 22 Apr 2010 14:11:05 +0100 [thread overview]
Message-ID: <20100422131105.GS19334@cel.leo> (raw)
In-Reply-To: <4BD040FE.3000809@trash.net>
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On Thu, Apr 22, 2010 at 02:28:46PM +0200, Patrick McHardy wrote:
> I think we should be adding a check whether skb->dev is non-NULL here
> since filters can also be attached to netlink sockets. The same applies
> to SKF_AD_IFINDEX.
What should the appropriate behaviour be here? Set A to some rogue value
- 0 or -1 seem appropriate? Or, abort the filter entirely (such as in
e.g. divide-by-zero, or invalid memory buffer access)?
Either way that sounds simple enough, I can hack that in and resubmit.
--
Paul "LeoNerd" Evans
leonerd@leonerd.org.uk
ICQ# 4135350 | Registered Linux# 179460
http://www.leonerd.org.uk/
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next prev parent reply other threads:[~2010-04-22 13:11 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-22 12:12 [PATCH] Socket filter ancilliary data access for skb->dev->type Paul LeoNerd Evans
2010-04-22 12:28 ` Patrick McHardy
2010-04-22 13:11 ` Paul LeoNerd Evans [this message]
2010-04-22 13:13 ` Patrick McHardy
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