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Re: port-xen/33162 [Re: FAST_IPSEC panics domU kernel]

To: Pavel Cahyna <pavel.cahyna%st.mff.cuni.cz@localhost>, Jeff Rizzo <riz%netbsd.org@localhost>, gnats-bugs%netbsd.org@localhost, port-xen%netbsd.org@localhost
Subject: Re: port-xen/33162 [Re: FAST_IPSEC panics domU kernel]
From: Manuel Bouyer <bouyer%antioche.eu.org@localhost>
Date: Wed, 29 Mar 2006 12:33:56 +0200

On Wed, Mar 29, 2006 at 12:16:47PM +0200, Pavel Cahyna wrote:
> I think netipsec is wrong - it is using m_copyback, but can't be really
> sure that the mbuf is not shared.

Yes. Xen is good for catching this kind of abuse, because the may not even
be mapped read/write :)

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--

Follow-Ups:
- Re: port-xen/33162 [Re: FAST_IPSEC panics domU kernel]
  - From: Pavel Cahyna

References:
- FAST_IPSEC panics domU kernel
  - From: Jeff Rizzo
- Re: port-xen/33162 [Re: FAST_IPSEC panics domU kernel]
  - From: Pavel Cahyna

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