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Date: Wed, 10 Oct 2007 09:46:22 -0400
From: Gustavo Chain <g@...f.cl>
To: David Newall <david@...idnewall.com>
Cc: linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Reserve N process to root
El Wed, 10 Oct 2007 15:14:06 +0930
David Newall <david@...idnewall.com> escribió:
> Gustavo Chain wrote:
> > El Wed, 10 Oct 2007 11:19:27 +0930
> > David Newall <david@...idnewall.com> escribió:
> >
> >> Gustavo Chain wrote:
> >>
> >>> I think it's necessary to reserve some pids to the super user.
> >>> 5 must be sufficient.
> >>>
> >> Why? (Sorry if I missed something.)
> >>
> >
> > ¿ To prevent a posible DoS ?
> >
>
> That was what I thought you had in mind; it protects from some kind
> of fork bomb, right? But it doesn't seem useful unless you guarantee
> having a process already running (with CAP_SYS_ADMIN) *before* the
> bomb goes off.
Not really, because fork bomb will never reach maximum pid possible.
And root will always have a "slot" to kill desired processes.
--
Gustavo Chaín Dumit
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