Re: [2.4.18] Security: Process-Killer if machine get's out of memory

From: Christian Bornträger (linux-kernel@borntraeger.net)
Date: Sun Mar 24 2002 - 12:57:04 EST


Rik van Riel wrote:
> On Sun, 24 Mar 2002, Roy Sigurd Karlsbakk wrote:
> > Would it hard to do some memory allocation statistics, so if some
> > process at one point (as rsync did) goes crazy eating all memory, that
> > would be detected?
>
> No. What I doubt however is whether it would be worth it,
> since most machines never run OOM.

Well, I think could be worth in terms of security, because a local user could
use a bad memory-eating program to produce an Denial of Service of other
processes.

Unfortunately detecting a program, written to cause harm is harder than
detecting a crazy program.

greetings

Christian
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