Messages in this thread | | | Date | Wed, 4 Jan 2006 21:41:29 +0100 | From | Jörn Engel <> | Subject | Re: [Patch 2.6] dm-crypt: zero key before freeing it |
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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".
Jörn
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