From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrei Popa Subject: Re: [oops] in text matching Date: Thu, 08 Nov 2007 20:53:11 +0200 Message-ID: <1194547991.3298.7.camel@ierdnac> References: <1194525620.6845.5.camel@ierdnac> <47330FE1.9020008@trash.net> <1194547827.3298.5.camel@ierdnac> Reply-To: andrei.popa@i-neo.ro Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="=-1RfEszZadxw7edR3kDeY" Cc: netfilter-devel@vger.kernel.org To: Patrick McHardy Return-path: Received: from [85.204.20.254] ([85.204.20.254]:39061 "EHLO megainternet.ro" rhost-flags-FAIL-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1760873AbXKHSxb (ORCPT ); Thu, 8 Nov 2007 13:53:31 -0500 In-Reply-To: <1194547827.3298.5.camel@ierdnac> Sender: netfilter-devel-owner@vger.kernel.org List-Id: netfilter-devel.vger.kernel.org --=-1RfEszZadxw7edR3kDeY Content-Type: text/plain Content-Transfer-Encoding: 7bit On Thu, 2007-11-08 at 20:50 +0200, Andrei Popa wrote: > On Thu, 2007-11-08 at 14:32 +0100, Patrick McHardy wrote: > > Andrei Popa wrote: > > > Please CC as i am not subscribed to the list. > > > I-m using 2.6.22.9 and when I tried to insert this line it gave > the > > > oops: > > > > > > $IPT -I INPUT -p tcp --dport 80 -m string --algo bm --string > "$MyNick" > > > -j DROP > > > I have iptables v1.3.8 > > > > > > BUG: unable to handle kernel paging request at virtual address > e0000000 > > > printing eip: > > > c01e2707 > > > *pde = 00000000 > > > Oops: 0000 [#1] > > > CPU: 0 > > > EIP: 0060:[] Not tainted VLI > > > EFLAGS: 00010286 (2.6.22.9-iteyeb11 #8) > > > EIP is at bm_init+0xd7/0x210 > > > > > > Works fine here. Is the oops reproducible? > > > > EFLAGS: 00010286 (2.6.22.9-iteyeb11 #8) > > ^^^^^^^^ > > > > Does this include additional patches? Otherwise please post your > > config and the lib/ts_bm.o file. > > The oops is reproducible by this script (yyy are some IP addresses): > > #!/bin/bash > > IPT=/sbin/iptables > > $IPT -F INPUT > > $IPT -I INPUT -i lo -p tcp --dport 3306 -j ACCEPT > $IPT -I INPUT -p tcp --dport 3306 -s yyy -j ACCEPT > $IPT -I INPUT -p tcp --dport 3306 -s yyy -j ACCEPT > $IPT -I INPUT -p tcp --dport 3306 -s yyy -j ACCEPT > $IPT -I INPUT -p tcp --dport 3306 -s yyy -j ACCEPT > > $IPT -A INPUT -p tcp --dport 3306 -j DROP > > $IPT -I INPUT -p udp --dport 53 -m string --algo bm --string > "ultra-online" -j DROP > $IPT -I INPUT -p udp --dport 53 -m string --algo bm --string > "ultracomp" > -j DROP > > $IPT -I INPUT -p tcp --dport 80 -m string --algo bm --string > "N4675/adj/wwe." -j DROP > $IPT -I INPUT -p tcp --dport 80 -m string --algo bm --string > "/john/MOBILA" -j DROP > #$IPT -I INPUT -p tcp --dport 80 -m string --algo bm --string > "$MyNick" > -j DROP with the above line uncommented. 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