lkml.org 
[lkml]   [2007]   [Oct]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] Reserve N process to root
El Wed, 10 Oct 2007 15:14:06 +0930
David Newall <david@davidnewall.com> escribió:

> Gustavo Chain wrote:
> > El Wed, 10 Oct 2007 11:19:27 +0930
> > David Newall <david@davidnewall.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
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-10-10 15:49    [W:0.123 / U:1.208 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site