Re: Very large font size crashing X Font Server and Grounding Server to

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: 06/13/02


To: jijo@free.net.ph (Federico Sevilla III)
Date: Thu, 13 Jun 2002 06:39:35 +0100 (BST)
From: Alan Cox <alan@lxorguk.ukuu.org.uk>


> check to prevent such large sizes from crashing X and/or the X Font
> Server, I'm alarmed by (1) the way the X font server allows itself to be
> crashed like this, and (2) the way the entire Linux kernel seems to have
> been unable to handle the situation. While having a central company or

So turn on the features to conrol it. Set rlimits on the xfs server and
enable non overcommit (-ac kernel)

Alan



Relevant Pages

  • Very large font size crashing X Font Server and Grounding Server to a Halt (was: remote DoS in Mozil
    ... the LKML because of the way the server hosting the X font server ground to ... Memory: Killed process ... > configuration, especially to the presence of xfs, but bug reports so far ...
    (Bugtraq)
  • Re: X is broke... freeing multiple contexts (2)
    ... >> that your X server couldn't find your fontserver. ... >> and eliminate the connection to the font server. ... Either can screw up your connection to all *SORTS* of vital X ... X session, it should restart X and do the right things if you don't have ...
    (comp.os.linux.setup)
  • /usr/openwin/bin/xset: bad font path element
    ... Directory missing fonts.dir ... Incorrect font server address or syntax ... not exist, have the correct permissions, missing font.dir, or have a file ...
    (SunManagers)
  • trying to use Font Server on Solaris 10
    ... Trying to use the Font Server in Solaris 10. ... I did an fsinfo and it seems to repsond: ...
    (comp.unix.solaris)
  • Re: question on x windows
    ... I'm not use to offering up x windows to any end users so I'm struggling with this a bit. ... I've installed x font server, daemon is running, and I installed xfce. ... I know that x windows sessions are insecure, so I would also be in favor of forwarding the session over ssh, but I would like to know how to connect with and without ssh to the xfs server. ...
    (RedHat)