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Re: Strange problem with mail...



This one time, at band camp, Jan Luehr said:
> Greetings,...
> 
> Am Donnerstag, 26. August 2004 22:18 schrieb Thomas Sjögren:
> > On Thu, Aug 26, 2004 at 09:44:51PM +0200, Jan Luehr wrote:
> > > Greetings,....
> > >
> > > Am Donnerstag, 26. August 2004 19:32 schrieb UnKnown:
> > > > Hi ppl, first I wont to state that this is my first mail to this list,
> > > > if by any chance this is not the right list to do so plz point me to
> > > > the correct one.
> > > > Last sunday the mail server start kicking process, actually it did such
> > > > a mess, that it trow all daemons down. When I check the console this
> > > > message was the only thing left:
> > > > __alloc_pages: '-order allocation failed (gfp=0x....)
> > >
> > > Ok. This looks like an exploit.
> > > Wich Kernel do you use?
> > > 2.4.26 is certainly not Woody-standard.
> > > Are you able to find any binary causing these kind of messages?
> >
> > Sure it isnt the memory or filesystem?
> > Some info:
> > http://www.ussg.iu.edu/hypermail/linux/kernel/0404.2/1680.html
> > http://mirror.hamakor.org.il/archives/linux-il/01-2004/8144.html
> > http://lists.suse.com/archive/suse-linux-e/2003-Jul/1178.html
> 
> You may be right. I thought ReiserFS-Bugs in that way are relicts from the 
> dark age of 2.4...
> However - failed memory allocation can also be a sympton of an exploit trying 
> to access memory he shouldn't do ,)

In this case, though, I think spamassassin was sparking OOM problems
scanning an oversized email header block.  How exim wrote all those
headers is another question, though - it shouldn't be doing that,
I wouldn't think.

-- 
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|   ,''`.					     Stephen Gran |
|  : :' :					 sgran@debian.org |
|  `. `'			Debian user, admin, and developer |
|    `-					    http://www.debian.org |
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