From owner-freebsd-current Thu Mar 4 16:35:33 1999 Delivered-To: freebsd-current@freebsd.org Received: from apollo.backplane.com (apollo.backplane.com [209.157.86.2]) by hub.freebsd.org (Postfix) with ESMTP id 639D7150B9 for ; Thu, 4 Mar 1999 16:35:32 -0800 (PST) (envelope-from dillon@apollo.backplane.com) Received: (from dillon@localhost) by apollo.backplane.com (8.9.3/8.9.1) id QAA33521; Thu, 4 Mar 1999 16:35:14 -0800 (PST) (envelope-from dillon) Date: Thu, 4 Mar 1999 16:35:14 -0800 (PST) From: Matthew Dillon Message-Id: <199903050035.QAA33521@apollo.backplane.com> To: Chris Costello , Mike Tancsa , current@FreeBSD.ORG Subject: Re: Simple DOS against 3.x locks box solid References: <4.1.19990304073656.084804e0@granite.sentex.ca> <19990304155401.A5710@holly.dyndns.org> <199903050022.QAA32802@apollo.backplane.com> Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Well, this was easy to duplicate. I'll try to track it down. It seems to occur under -4.x as well as -3.x. Definitely an inode deadlock of some kind. -Matt : Try changing the 'find' to 'find -x'. If this still locks up the machine : we will have to then determine whether it occurs under 4.x as well, or : if it only occurs under 3.x. : -Matt : ::> As posted by yk@dgtu.donetsk.ua ::> > ::> >This script freeze my 3.1-RELEASE box. ::> >I can't make any connection with my box, also from console. ::> > ::> >-------- cut here --- ::> >#! /bin/sh ::> > ::> >for j in 1 2 3 4 5 6 7 8 9 10 ::> >do ::> >echo -n $j ::> >nohup sh -c 'while :; do find / -type file |xargs fgrep fticom; done' ::> >/dev/null 2>&1 & ::> >echo ::> >done ::> >--------- cut here ---- ::> > ::> >-- ::> >Yury V. Yaroshevsky | Donetsk State Technical University ::> >YY18-RIPE | (380 622) 356455 yk@dgtu.donetsk.ua To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message