Date: Fri, 29 Jul 2005 22:00:42 GMT From: Kris Kennaway <kris@obsecurity.org> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/82905: mount_nullfs can reboot system Message-ID: <200507292200.j6TM0g81070610@freefall.freebsd.org>
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The following reply was made to PR kern/82905; it has been noted by GNATS. From: Kris Kennaway <kris@obsecurity.org> To: Adrian Czerniak <adriancz@go2.pl> Cc: freebsd-gnats-submit@FreeBSD.org Subject: Re: kern/82905: mount_nullfs can reboot system Date: Fri, 29 Jul 2005 17:52:36 -0400 On Sat, Jul 02, 2005 at 08:52:13PM +0000, Adrian Czerniak wrote: > > >Number: 82905 > >Category: kern > >Synopsis: mount_nullfs can reboot system > >Confidential: no > >Severity: serious > >Priority: high > >Responsible: freebsd-bugs > >State: open > >Quarter: > >Keywords: > >Date-Required: > >Class: sw-bug > >Submitter-Id: current-users > >Arrival-Date: Sat Jul 02 21:00:32 GMT 2005 > >Closed-Date: > >Last-Modified: > >Originator: Adrian Czerniak > >Release: 6-CURRENT > >Organization: > >Environment: > FreeBSD 68-71.is.net.pl 6.0-CURRENT FreeBSD 6.0-CURRENT #0: Sat Jul 2 15:27:02 CEST 2005 abaddon@68-71.is.net.pl:/usr/obj/usr/src/sys/abaddon i386 > >Description: > Try to do: > mount_nullfs /mnt/foo /some/other/place (where foo is mounted fat32 partition) and enter to /some/other/place, system will reboot. > >How-To-Repeat: > mount_nullfs /mnt/foo /some/other/place (where foo is mounted fat32 partition) and enter to /some/other/place Does it panic, or just reboot? Make sure you are at the system console and not running X, or you won't see the panic string. If it panics, please see the chapter on kernel debugging in the developers' handbook to learn how to obtain the information necessary to debug this. Kris
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