From owner-freebsd-security@FreeBSD.ORG Mon Feb 18 18:04:10 2008 Return-Path: Delivered-To: freebsd-security@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D743F16A419 for ; Mon, 18 Feb 2008 18:04:10 +0000 (UTC) (envelope-from petersanchez@gmail.com) Received: from el-out-1112.google.com (el-out-1112.google.com [209.85.162.177]) by mx1.freebsd.org (Postfix) with ESMTP id 90D2913C45E for ; Mon, 18 Feb 2008 18:04:10 +0000 (UTC) (envelope-from petersanchez@gmail.com) Received: by el-out-1112.google.com with SMTP id r27so876597ele.3 for ; Mon, 18 Feb 2008 10:04:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:cc:message-id:from:to:in-reply-to:content-type:content-transfer-encoding:mime-version:subject:date:references:x-mailer:sender; bh=9ygrHuLoW3xHeMB8TTzZOPYLGyBk/R9mSE7awh0BQk8=; b=A+JMIQjBQ0nzULgWVSX3Lnzi5bcaNfOq15dh17vGfnrH+QcnzT9hcsa9RWuJaqEpLeKBISdRFKqSsKM0RGz3sFCL6IFbUiEGYO8lXusoUDAP7yvS1ONygI7yjuYc1r69fgO5AJAb3Vg73nJC4+PHN2rd0PPtJk5HFkAG10TArkY= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=cc:message-id:from:to:in-reply-to:content-type:content-transfer-encoding:mime-version:subject:date:references:x-mailer:sender; b=aFi8uMwLreIpHcIw1a2WUYE7F8qHYFl+37oMUnbqFfUu/5ptgfYBZGLrA2yiwCbU3a+glN1hUswtQeVQ2U4s7PzUBjfKoNzrJqWlUqvhf2EMGTfSGm8MRaHWzmuIg5SHJoilBVnaE/61d0/spjREdBugO2htG4x5b57RGJJAqxg= Received: by 10.142.103.6 with SMTP id a6mr4561619wfc.109.1203357848450; Mon, 18 Feb 2008 10:04:08 -0800 (PST) Received: from ?192.168.1.4? ( [76.169.98.169]) by mx.google.com with ESMTPS id 31sm16223977wff.7.2008.02.18.10.04.07 (version=TLSv1/SSLv3 cipher=OTHER); Mon, 18 Feb 2008 10:04:08 -0800 (PST) Message-Id: <34D50D96-A2EB-4377-BA9B-1B89177AC836@packet-addiction.org> From: Peter Sanchez To: Wesley Shields In-Reply-To: <20080218150748.GD90004@atarininja.org> Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (Apple Message framework v919.2) Date: Mon, 18 Feb 2008 10:04:01 -0800 References: <200802181414.m1IEE8bd075081@drugs.dv.isc.org> <20080218150748.GD90004@atarininja.org> X-Mailer: Apple Mail (2.919.2) Sender: Peter Sanchez Cc: freebsd-security@freebsd.org Subject: Re: How to take down a system to the point of requiring a newfs with one line of C (userland) X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Security issues \[members-only posting\]" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 18 Feb 2008 18:04:10 -0000 On Feb 18, 2008, at 7:07 AM, Wesley Shields wrote: >> > > I tried this using /tmp/ as argv[1] and it didn't crash a 6.2 > machine or > a -current from a few weeks ago. Maybe the number of files has to be > increased? I bumped it up to 100000 and tried on a 6.2 machine, but I > ran out of inodes before I could induce a crash. :) > > Maybe I'm doing something wrong? I believe the panic doesn't occur until boot. Did you reboot the box after writing the files to /tmp? Peter > > > -- WXS > _______________________________________________ > freebsd-security@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-security > To unsubscribe, send any mail to "freebsd-security-unsubscribe@freebsd.org > "