netdev - Re: [PATCH] ipvs: Add boundary check on ioctl arguments

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Message-ID: <20100104232533.GD2554@verge.net.au>
Date:	Tue, 5 Jan 2010 10:25:33 +1100
From:	Simon Horman <horms@...ge.net.au>
To:	Patrick McHardy <kaber@...sh.net>
Cc:	Arjan van de Ven <arjan@...ux.intel.com>, netdev@...r.kernel.org,
	lvs-devel@...r.kernel.org, Wensong Zhang <wensong@...ux-vs.org>,
	Julian Anastasov <ja@....bg>,
	David Miller <davem@...emloft.net>
Subject: Re: [PATCH] ipvs: Add boundary check on ioctl arguments

On Mon, Jan 04, 2010 at 04:39:03PM +0100, Patrick McHardy wrote:
> Arjan van de Ven wrote:
> > On 1/4/2010 5:59, Patrick McHardy wrote:
> > 
> > [sorry for the late response, just got back from a good holiday, which
> > means no work email access ;-) ]
> > 
> >> Simon Horman wrote:
> > 
> >>> I agree with Julian's assessment that your patch shouldn't be
> >>> necessary, but on the other hand I think that the checks are
> >>> reasonable. Your original patch made checks of the form of
> >>> "cmd>  IP_VS_SO_GET_MAX + 1". I have updated this to
> >>> "cmd>  IP_VS_SO_GET_MAX", as suggested by Julian, as the optmax
> >>> elements of struct nf_sockopt_ops set a non-inclusive range.
> >>>
> >>> http://lkml.indiana.edu/hypermail/linux/kernel/0910.0/00852.html
> >>>
> >>> Index: net-next-2.6/net/netfilter/ipvs/ip_vs_ctl.c
> >>
> >> As a bugfix, this seems more appropriate for net-2.6.git. Please let
> >> me know which tree you want me to apply this to.
> > 
> > this really ought to go into 2.6.33.....
> 
> Thanks, applied and will send it upstream soon.

Thanks
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