Re: bin/47816: ifmcstat grovels in kernel memory for ethercoms

[David Young <dyoung%pobox.com@localhost>]

The following reply was made to PR bin/47816; it has been noted by GNATS.

From: David Young <dyoung%pobox.com@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: bin/47816: ifmcstat grovels in kernel memory for ethercoms
Date: Tue, 14 May 2013 18:52:01 -0500

 On Tue, May 14, 2013 at 10:50:01PM +0000, 
dyoung%whitecoralislands.com@localhost wrote:
 > >Number:         47816
 > >Category:       bin
 > >Synopsis:       ifmcstat grovels in kernel memory for ethercoms
 > >Confidential:   no
 > >Severity:       non-critical
 > >Priority:       low
 > >Responsible:    bin-bug-people
 > >State:          open
 > >Class:          sw-bug
 > >Submitter-Id:   net
 > >Arrival-Date:   Tue May 14 22:50:01 +0000 2013
 > >Originator:     David Young
 > >Release:        NetBSD 6.0
 > >Organization:
 > David Young
 > dyoung%pobox.com@localhost    Urbana, IL    (217) 721-9981
 > >Environment:
 >      
 >      
 > System: NetBSD elmendorf.whitecoralislands.com 5.99.56 NetBSD 5.99.56 
 > (modular.ojctech.com) #6: Thu Oct 27 14:56:28 CDT 2011 
 > dyoung%skyking.ojctech.com@localhost:/home/dyoung/nbsd/i386/O/sys/arch/i386/compile/modular.ojctech.com
 >  i386
 > Architecture: i386
 > Machine: i386
 > 
 > /usr/sbin/ifmcstat:
 >      -lkvm.6 => /usr/lib/libkvm.so.6
 >      -lgcc_s.1 => /usr/lib/libgcc_s.so.1
 >      -lc.12 => /usr/lib/libc.so.12
 > >Description:
 >         ifmcstat(8) grovels in the kernel for structures like
 >         ethercom.  Ethercom should not be exported to userland in
 >         the first place, and there ought to be an interface for
 >         examining the multicast membership.
 > >How-To-Repeat:
 >         Read the code, or try to wrap the ethercom definition with
 >         #ifdef _KERNEL.
 > >Fix:
 >         Put multicast memberships into some table and/or tables
 >         that are shared with userland: e.g., forwarding table or
 >         flow table.
 
 Oops, this has the wrong address on it.  Please follow-up to
 dyoung%pobox.com@localhost.
 
 Dave
 
 -- 
 David Young
 dyoung%pobox.com@localhost    Urbana, IL    (217) 721-9981