From: Robert Love <rml@tech9.net>
To: "Randy.Dunlap" <rddunlap@osdl.org>
Cc: Abramo Bagnara <abramo.bagnara@libero.it>,
ak@suse.de, mbligh@aracnet.com, linux-kernel@vger.kernel.org
Subject: Re: [Bug 420] New: Divide by zero (/proc/sys/net/ipv4/neigh/DEV/base_reachable_time)
Date: 28 Feb 2003 17:37:47 -0500 [thread overview]
Message-ID: <1046471866.1346.267.camel@phantasy> (raw)
In-Reply-To: <20030228142625.1a53da75.rddunlap@osdl.org>
On Fri, 2003-02-28 at 17:26, Randy.Dunlap wrote:
> I agree with that.
I agree with that, too.
It is easy, too, because the sysctl mechanism has a built-in bounds
checking function.
For the seventh parameter (the parsing mechanism) you can specify
something like proc_dointvec_minmax and then the last parameters can be
&one and NULL. This forces the minimum value to be one.
So its trivial and built-in. While root should be able to wreck the
system, he should at least have a chance in hell of knowing he is doing
so. Zero may seem to be a legitimate value here...
Robert Love
next prev parent reply other threads:[~2003-02-28 22:27 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <27440000.1046453828@[10.10.2.4].suse.lists.linux.kernel>
2003-02-28 18:31 ` [Bug 420] New: Divide by zero (/proc/sys/net/ipv4/neigh/DEV/base_reachable_time) Andi Kleen
2003-02-28 22:23 ` Abramo Bagnara
2003-02-28 22:26 ` Randy.Dunlap
2003-02-28 22:37 ` Robert Love [this message]
2003-02-28 17:37 Martin J. Bligh
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