kern/94599: MAC (Mandatory Access Control) and IPSEC can not coexist

[Zhouyi Zhou]

>Number:         94599
>Category:       kern
>Synopsis:       MAC (Mandatory Access Control) and IPSEC can not coexist
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri Mar 17 10:10:13 GMT 2006
>Closed-Date:
>Last-Modified:
>Originator:     Zhouyi Zhou
>Release:        FreeBSD 6.0 and FreeBSD 5.4 both
>Organization:
Institute of Software, Chinese Academy of Sciences
>Environment:
FreeBSD zzy.ios 6.0-RELEASE FreeBSD 6.0-RELEASE #13: Fri Mar 17 17:11:04 UTC 2006     root at zzy.ios:/root/Earth/earth/sys/i386/compile/earth  i386

>Description:
Once you set up your machine with both MAC/MLS and IPSEC support. Then your
connect from a TCP client from one machine to a TCP server on another machine,
the TCP server will crack. 


The reason is somethings has modified the mags that used to store the MAC information.
>How-To-Repeat:
Once you set up your machine with both MAC/MLS and IPSEC support. Then your
connect from a TCP client from one machine to a TCP server on another machine,
the TCP server will crack. 
>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted: