Re: kern/42977: pkg/samba requires vm.user_va0_disable=0

[Marc Balmer <marc%msys.ch@localhost>]

The following reply was made to PR kern/42977; it has been noted by GNATS.

From: Marc Balmer <marc%msys.ch@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: kern/42977: pkg/samba requires vm.user_va0_disable=0
Date: Tue, 16 Mar 2010 08:14:50 +0100

 Am 15.03.10 21:20, schrieb Elad Efrat:
 > The following reply was made to PR kern/42977; it has been noted by GNATS.
 > 
 > From: Elad Efrat <elad%NetBSD.org@localhost>
 > To: gnats-bugs%NetBSD.org@localhost
 > Cc: drochner%netbsd.org@localhost
 > Subject: Re: kern/42977: pkg/samba requires vm.user_va0_disable=0
 > Date: Mon, 15 Mar 2010 16:15:56 -0400
 > 
 >  paul%whooppee.com@localhost wrote:
 >  >> Number:         42977
 >  >> Category:       kern
 >  >> Synopsis:       pkg/samba requires vm.user_va0_disable=0
 >  >> Confidential:   no
 >  >> Severity:       serious
 >  >> Priority:       medium
 >  >> Responsible:    kern-bug-people
 >  >> State:          open
 >  >> Class:          sw-bug
 >  >> Submitter-Id:   net
 >  >> Arrival-Date:   Mon Mar 15 19:50:00 +0000 2010
 >  >> Originator:     Paul Goyette
 >  >> Release:        5.99.24 as of 2010-03-07 02:41 UTC
 >  >> Organization:
 >  >> Environment:
 >  > NetBSD speedy.whooppee.com 5.99.24 NetBSD 5.99.24 (SPEEDY (ASUS M3A78-CM) 
 > 2010-03-07 02:41:07) #0: Sat Mar  6 19:40:25 PST 2010  
 > paul%speedy.whooppee.com@localhost:/build-out/netbsd-local/obj/amd64/sys/arch/amd64/compile/SPEEDY
 >  amd64
 >  >> Description:
 >  > Without setting user_va0_disable=0, neither smbd nor nmbd (from pkgsrc) 
 > will run.
 >  
 >  I have a feeling this should move under security.pax, and have
 >  enabled/global knobs too, along with (for now) ELF flags to allow
 >  fine-grained control over what is exempt from this. That'll at least
 >  allow integration with the build system/pkgsrc and auto-enabling the
 >  exempt flags where needed.
 >  
 >  Matthias?
 
 Honestly I wonder why samba needs to map at address 0?  Maybe sth I just
 the samba devs....