kern/53195: Easily reproduceable mac_lomac panic

[Tim Robbins]

>Number:         53195
>Category:       kern
>Synopsis:       Easily reproduceable mac_lomac panic
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Jun 11 02:50:19 PDT 2003
>Closed-Date:
>Last-Modified:
>Originator:     Tim Robbins
>Release:        FreeBSD 5.1-RELEASE i386
>Organization:
The FreeBSD Project
>Environment:
System: FreeBSD 5.1-RELEASE i386

>Description:

panic: mac_lomac_dominate_element: a->mle_type invalid

>How-To-Repeat:

1. Compile kernel with "options MAC".
2. From the bootloader, "load mac_lomac", "boot"
3. Log in as root, run "ifconfig lnc0 maclabel lomac/equal" (replace lnc0 with
   appropriate network interface name)
4. Trying to log in with SSH causes the panic mentioned above.

>Fix:

Not known.
>Release-Note:
>Audit-Trail:
>Unformatted: