kern/80136: mdconfig can reboot the system

Kris Kennaway kris at obsecurity.org
Sat Apr 23 15:10:09 PDT 2005


The following reply was made to PR kern/80136; it has been noted by GNATS.

From: Kris Kennaway <kris at obsecurity.org>
To: bug-followup at freeBSD.org
Cc:  
Subject: Re: kern/80136: mdconfig can reboot the system
Date: Sat, 23 Apr 2005 15:09:59 -0700

 Adding to audit trail
 
 ----- Forwarded message from Doug White <dwhite at gumbysoft.com> -----
 
 Date: Sat, 23 Apr 2005 15:03:48 -0700 (PDT)
 From: Doug White <dwhite at gumbysoft.com>
 Subject: Re: [harry at schmalzbauer.de: kern/80136: mdconfig can reboot the system]
 In-reply-to: <20050423201514.GA34729 at xor.obsecurity.org>
 To: Kris Kennaway <kris at obsecurity.org>
 Cc: qa at freeBSD.org
 
 On Sat, 23 Apr 2005, Kris Kennaway wrote:
 
 > Can anyone confirm?
 
 The "preload" type is undocumented for mdconfig(8).  I figured this type
 was only used if you had a preloaded module already but weren't using
 MD_ROOT... I guess there must be a bug somewhere that triple faults if
 there is no module loaded.
 
 > >Description:
 > 	mdconfig causes a hard reboot when trying to create a preload md
 > >How-To-Repeat:
 > 	mdconfig -a -t preload -s 12m -u md0
 > >Fix:


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