From owner-cvs-all Thu Nov 28 1:51: 9 2002 Delivered-To: cvs-all@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id DD72D37B407; Thu, 28 Nov 2002 01:51:07 -0800 (PST) Received: from vbook.express.ru (asplinux.ru [195.133.213.194]) by mx1.FreeBSD.org (Postfix) with ESMTP id C74DF43EB2; Thu, 28 Nov 2002 01:51:06 -0800 (PST) (envelope-from vova@sw.ru) Received: from vova by vbook.express.ru with local (Exim 4.10) id 18HLK4-0000Kb-00; Thu, 28 Nov 2002 12:51:04 +0300 Subject: Re: cvs commit: src/sbin/ipfw ipfw2.c From: "Vladimir B. " Grebenschikov To: Luigi Rizzo Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org In-Reply-To: <200211261958.gAQJwCal000509@repoman.freebsd.org> References: <200211261958.gAQJwCal000509@repoman.freebsd.org> Content-Type: text/plain; charset=KOI8-R Content-Transfer-Encoding: quoted-printable Organization: SWsoft Inc. Message-Id: <1038477062.764.83.camel@vbook> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.1.2 (Preview Release) Date: 28 Nov 2002 12:51:03 +0300 Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG =F7 Tue, 26.11.2002, =D7 22:58, Luigi Rizzo =CE=C1=D0=C9=D3=C1=CC: > luigi 2002/11/26 11:58:12 PST >=20 > Modified files: > sbin/ipfw ipfw2.c=20 > Log: > Fix a kernel panic with rules of the type > =20 > prob 0.5 pipe NN .... > =20 > due to the generation of an invalid ipfw instruction sequence. > No ABI change, but you need to upgrade /sbin/ipfw to generate the > correct code. So, one can abuse kernel by invalid ipfw instruction sequence, may be kernel should check this while add rule ? =20 > Approved by: re > =20 > Revision Changes Path > 1.17 +31 -19 src/sbin/ipfw/ipfw2.c --=20 Vladimir B. Grebenschikov SWsoft Inc. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message