Subject: Re: Why not track our xsrc with X11R6.6 from
To: Andrey Petrov <>
From: Thor Lancelot Simon <>
List: current-users
Date: 07/19/2001 23:26:33
On Thu, Jul 19, 2001 at 11:16:01AM -0700, Andrey Petrov wrote:
> On Thu, Jul 19, 2001 at 01:13:34AM -0400, R. C. Dowdeswell wrote:
> > And, to clarify that statement a little bit, there are certain memory
> > protections that reasonable Unices put even on root level processes, i.e.
> > you can't look at memory in other processes.  This protection allows a
> What about /dev/(k)mem, procfs, ptrace?

See the discussion of securelevel in the init manual page.  And if you
think of a clever way around the protections described there, please let
me know; I will fix it, as we have several times in the past (the first
and most memorable of these "oops!  I guess someone forgot about..." was
being able to ptrace process 1 :-) ).

Thor Lancelot Simon	                            
    And now he couldn't remember when this passion had flown, leaving him so
  foolish and bewildered and astray: can any man?
						   William Styron