Skip site navigation (1)Skip section navigation (2)
Date:      Thu, 28 Nov 2002 12:38:58 -0800
From:      Luigi Rizzo <luigi@FreeBSD.org>
To:        "Vladimir B.  Grebenschikov" <vova@sw.ru>
Cc:        cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src/sbin/ipfw ipfw2.c
Message-ID:  <20021128123857.A70108@xorpc.icir.org>
In-Reply-To: <1038477062.764.83.camel@vbook>; from vova@sw.ru on Thu, Nov 28, 2002 at 12:51:03PM %2B0300
References:  <200211261958.gAQJwCal000509@repoman.freebsd.org> <1038477062.764.83.camel@vbook>

next in thread | previous in thread | raw e-mail | index | archive | help
On Thu, Nov 28, 2002 at 12:51:03PM +0300, Vladimir B.  Grebenschikov wrote:
...
> So, one can abuse kernel by invalid ipfw instruction sequence, may be
> kernel should check this while add rule ?

yes the kernel it should check, i will try to add the (trivial)
check code soon.
On the other hand this can only happen as root, and there is
a simpler way to panic a system:

	cat /dev/zero > /dev/mem

so i guess this is not more dangerous.

	cheers
	luigi

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe cvs-all" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20021128123857.A70108>