Messages in this thread | | | Subject | Re: [RFC] ARM DMA mapping TODO, v1 | From | Valdis.Kletnieks@vt ... | Date | Wed, 27 Apr 2011 20:15:29 -0400 |
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On Wed, 27 Apr 2011 12:08:28 BST, Catalin Marinas said:
> The current version of the ARM ARM says "unpredictable". But this > general definition of "unpredictable" does not allow it to deadlock > (hardware) or have security implications. It is however allowed to > corrupt data.
Not allowed to have security implications, but is allowed to corrupt data.
*boggle* :)
(The problem being, of course, that if the attacker is able to predict/control what gets corrupted, it can easily end up leveraged into a security implication.) [unhandled content-type:application/pgp-signature] | |