kern/86775: system reboot without syncing

[Kris Kennaway]

The following reply was made to PR kern/86775; it has been noted by GNATS.

From: Kris Kennaway <kris at obsecurity.org>
To: Guram Dukashvili <korvin at tehnomir.lipetsk.ru>
Cc: FreeBSD-gnats-submit at FreeBSD.org
Subject: Re: kern/86775: system reboot without syncing
Date: Sat, 1 Oct 2005 12:26:54 -0400

 On Sat, Oct 01, 2005 at 09:58:34AM +0400, Guram Dukashvili wrote:
 > 
 > >Number:         86775
 > >Category:       kern
 > >Synopsis:       system reboot without syncing
 > >Confidential:   no
 > >Severity:       critical
 > >Priority:       high
 > >Responsible:    freebsd-bugs
 > >State:          open
 > >Quarter:        
 > >Keywords:       
 > >Date-Required:
 > >Class:          sw-bug
 > >Submitter-Id:   current-users
 > >Arrival-Date:   Sat Oct 01 06:10:19 GMT 2005
 > >Closed-Date:
 > >Last-Modified:
 > >Originator:     Guram Dukashvili
 > >Release:        FreeBSD 5.4-STABLE i386
 > >Organization:
 > >Environment:
 > System: FreeBSD post2.tehnomir.lipetsk.ru 5.4-STABLE FreeBSD 5.4-STABLE #0: Thu Sep 29 14:09:36 MSD 2005 root at post2.tehnomir.lipetsk.ru:/usr/obj/usr/src/sys/MCOM i386
 > 
 > >Description:
 > kevent syscall with aio filter invoke system reboot without sync under regular user
 > and may be security issue
 
 Under 7.0 I get
 
 dalki# ./kevent
 Bad system call (core dumped)
 
 Please provide more information - what is the panic and traceback when
 you run it?
 
 Kris