netdev - Re: wither bounds checking for networking sysctls

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Message-ID: <20070830205939.2f85a567@localhost>
Date:	Thu, 30 Aug 2007 20:59:39 -0700
From:	Stephen Hemminger <shemminger@...ux-foundation.org>
To:	Rick Jones <rick.jones2@...com>
Cc:	Linux Network Development list <netdev@...r.kernel.org>
Subject: Re: wither bounds checking for networking sysctls

On Thu, 30 Aug 2007 18:09:17 -0700
Rick Jones <rick.jones2@...com> wrote:

> While messing about with "sysctl_tcp_rto_min" I went back and forth a 
> bit as to whether there should have been bounds checking (as did some of 
> the folks who did some internal review for me).  That leads to the 
> question - is it considered worthwhile to add a bit more bounds checking 
> to sundry networking sysctls?
> 
> rick jones

IMHO As long as the any value from sysctl doesn't crash kernel, we
should let it go. Enforcing RFC policy or inter-dependencies seems
likes a useless exercise.
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