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

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Message-ID: <4B420A89.2010907@linux.intel.com>
Date:	Mon, 04 Jan 2010 07:34:33 -0800
From:	Arjan van de Ven <arjan@...ux.intel.com>
To:	Patrick McHardy <kaber@...sh.net>
CC:	Simon Horman <horms@...ge.net.au>, 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 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.....
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