Subject: Re: Is this kernel fault OK?
To: Daniel Carosone <>
From: D'Arcy J.M. Cain <>
List: tech-kern
Date: 06/26/2003 17:30:04
On Thursday 26 June 2003 17:25, Daniel Carosone wrote:
> On Thu, Jun 26, 2003 at 05:19:33PM -0400, der Mouse wrote:
> > > No, userland tools should never be able to crash the kernel (other
> > > than root deliberately scribbling in kmem or something similar).
> >
> > I once tried to define what it is about things like
> > 	dd if=/dev/zero of=/dev/mem
> > that exempt them from the "userland should never be able to crash the
> > kernel" dictum.  I never really got anywhere.  Any thoughts?
> Hm, the fact that you need to be root, at which point there are
> many ways you can hose yourself?

Well, in my case it appears to be syslog causing the problem.  The daemon 
normally runs as root and normally does not crash the system.

D'Arcy J.M. Cain <>