Re: bad pmd ffff810000207808(9090909090909090).

[Willy Tarreau]

On Wed, May 07, 2008 at 08:06:47AM +0900, OGAWA Hirofumi wrote:
> Willy Tarreau <w@xxxxxx> writes:
> 
> >> I see. I'm not sure, but I didn't notice this soon, maybe it worked as
> >> almost usual.
> >
> > I got immediate same feeling as Jan here. It looks very much like someone
> > has tried to inject code into your system. The problem is that you don't
> > know if this finally succeeded. Maybe some backdoor is now installed in
> > your kernel. If I were you, I would isolate the machine, reboot it on CD
> > and check MD5s (particularly the ones of the kernel and modules) before
> > rebooting it.
> 
> Hm.. I've checked md5sum as far as I can do (/var/lib/dpkg/info/*.md5sums).
> It seems to have no difference except data files.
> 
> And this machine is in back of firewall of other machine, and the kernel
> is builded from source each every day or a hour or such.
> 
> So, it is unlikely...

OK. At least it was worth checking!

Regards,
Willy

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