netdev - Re: [Patch] Limit sysctl_tcp_mem and sysctl_udp_mem initializers to prevent integer overflows.

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Date:	Mon, 18 Oct 2010 19:52:28 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Robin Holt <holt@....com>
Cc:	David Miller <davem@...emloft.net>, w@....eu,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	kuznet@....inr.ac.ru, pekkas@...core.fi, jmorris@...ei.org,
	yoshfuji@...ux-ipv6.org, kaber@...sh.net
Subject: Re: [Patch] Limit sysctl_tcp_mem and sysctl_udp_mem initializers
 to prevent integer overflows.

Le lundi 18 octobre 2010 à 12:43 -0500, Robin Holt a écrit :
> On Tue, Oct 05, 2010 at 02:50:32PM -0700, David Miller wrote:
> > From: Robin Holt <holt@....com>
> > Date: Sat, 02 Oct 2010 06:24:06 -0500
> > 
> > > Subject: [Patch] Limit sysctl_tcp_mem and sysctl_udp_mem initializers to prevent integer overflows.
> > > 
> > > On a 16TB x86_64 machine, sysctl_tcp_mem[2], sysctl_udp_mem[2], and
> > > sysctl_sctp_mem[2] can integer overflow.  Set limit such that they are
> > > maximized without overflowing.
> > > 
> > > Signed-off-by: Robin Holt <holt@....com>
> > 
> > Robin please resubmit this with the SCTP bits included.
> 
> David,
> 
> I did not mean to blow you off.  I was not going to resubmit because
> Eric's patch is the preferred direction.  I had been given an indication
> that my patch was preferred, but that indicator changed.
> 

Maybe there is some misunderstanding.

My patch was for net-next kernels (not before 2.6.37), while yours was
applicable to previous kernels.



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