Re: [stable] Re: [Patch 2.6] dm-crypt: zero key before freeing it

[Greg KH <greg@kroah.com>]

On Wed, Jan 04, 2006 at 12:43:21PM -0800, Randy.Dunlap wrote:
> On Wed, 4 Jan 2006, J?rn Engel wrote:
> 
> > On Wed, 4 January 2006 12:28:59 -0800, Randy.Dunlap wrote:
> > > On Wed, 4 Jan 2006, Stefan Rompf wrote:
> > > > Am Mittwoch 04 Januar 2006 21:09 schrieb Arjan van de Ven:
> > > >
> > > > > since a memset right before a free is a very unusual code pattern in the
> > > > > kernel it may well be worth putting a short comment around it to prevent
> > > > > someone later removing it as "optimization"
> > > >
> > > > Valid objection, here is an update (and see, I'm running 2.6.15 now ;-)
> > >
> > > A reason "why" would be more helpful that a "what".
> >
> > "prevent information leak"
> >
> > This is still a "what", but at least not a "how".
> 
> OK, that's a much better changelog entry or source code comment...
> if it could be put in one of those places.

Yes, Stefan, care to redo this with an updated changelog command?

thanks,

greg k-h
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