linux-kernel - Re: Userspace process may be able to DoS kernel

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Message-ID: <20061012064914.GF5050@1wt.eu>
Date:	Thu, 12 Oct 2006 08:49:15 +0200
From:	Willy Tarreau <w@....eu>
To:	jplatte@...sa.net
Cc:	Günther Starnberger <gst@...frog.org>,
	linux-kernel@...r.kernel.org
Subject: Re: Userspace process may be able to DoS kernel

On Thu, Oct 12, 2006 at 08:02:58AM +0200, Joerg Platte wrote:
> Am Mittwoch, 11. Oktober 2006 18:54 schrieb Günther Starnberger:
> 
> > I will upgrade my 2.6.17.6 kernel to 2.6.18 and try to reproduce the
> > problem there in the following days (but I fear that I won't have much
> > time before the weekend).
> 
> Using 2.6.18 does not solve the problem. I can see exactly the same behavior 
> with a vanilla and not tainted 2.6.18 kernel.

Just out of curiosity, does the system still respond to ping during this
period, and does the time still progress during the lock up ? Not that it
could help me find out what's happening, but it might help troubleshooting
the problem.

Regards,
Willy

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