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To: "Martin J. Bligh" <mbligh@aracnet.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [Bug 420] New: Divide by zero (/proc/sys/net/ipv4/neigh/DEV/base_reachable_time)
References: <27440000.1046453828@[10.10.2.4].suse.lists.linux.kernel>
From: Andi Kleen <ak@suse.de>
Date: 28 Feb 2003 19:31:31 +0100
In-Reply-To: "Martin J. Bligh"'s message of "28 Feb 2003 18:41:31 +0100"
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"Martin J. Bligh" <mbligh@aracnet.com> writes:
> 
>     echo 0 > /proc/sys/net/ipv4/neigh/DEV/base_reachable_time
> 
>   But neigh_rand_reach_time() divide by its argument.
> 
>     unsigned long neigh_rand_reach_time(unsigned long base)
>     {
> 	return (net_random() % base) + (base>>1);
>     }

Don't do that then. The sysctl is root-only. There are lots of ways to
break the system by writing bogus values into root only configuration
options. That is why they are root only

I would close the report as WONTFIX.

-Andi