lkml.org 
[lkml]   [2003]   [Oct]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: reiserfs one user DoS?
On Sun, Oct 05, 2003 at 07:03:42PM -0700, Mike Fedyk wrote:
> On Mon, Oct 06, 2003 at 01:51:49AM +0200, Erik Tews wrote:
> > On Sun, Oct 05, 2003 at 06:09:24PM +0200, Christian Kujau wrote:
> > > Hans Reiser schrieb:
> > > >>I have found such strange thing:
> > > >>
> > > >>pseudo@avalon at 14:04:00 ~> dd if=/dev/zero of=file bs=1 count=0
> > > >>seek=1000000000000
> > > >>
> > > >>After that my Intel Celeron 800 MHz/384M RAM 60G/Seagate U6 under
> > > >>Linux-2.4.22-grsec on reiserfs was utilized 100% for more than 2 hours.
> > > >>dd process can't be killed.
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

> > Really? If I got a process which is unkillable, how can the kernel kill
> > this process if it runs out of cpu-time?
>
> If it is unkillable, you're either talking about kernel bugs or NFS, and
> root should be able to kill a user process that has run out of ulimit
> resources.
-
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: 2005-03-22 13:49    [W:0.045 / U:0.260 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site