From mboxrd@z Thu Jan 1 00:00:00 1970 From: OGAWA Hirofumi Subject: Re: bad pmd ffff810000207808(9090909090909090). References: <874p9biqwj.fsf@duaron.myhome.or.jp> <87zlr3zj9x.fsf@duaron.myhome.or.jp> <20080506195014.GS8474@1wt.eu> Date: Wed, 07 May 2008 08:06:47 +0900 In-Reply-To: <20080506195014.GS8474@1wt.eu> (Willy Tarreau's message of "Tue, 6 May 2008 21:50:15 +0200") Message-ID: <87abj3nibc.fsf@duaron.myhome.or.jp> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: owner-linux-mm@kvack.org Return-Path: To: Willy Tarreau Cc: Jan Engelhardt , linux-kernel@vger.kernel.org, linux-mm@kvack.org List-ID: Willy Tarreau 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... Thanks. -- OGAWA Hirofumi -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org