Messages in this thread | | | Date | Sun, 23 May 2004 11:13:56 +0200 | From | Arjan van de Ven <> | Subject | Re: i486 emu in mainline? |
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On Sun, May 23, 2004 at 10:44:15AM +0200, Willy Tarreau wrote: > Hi Arjan, > > On Sun, May 23, 2004 at 09:13:20AM +0200, Arjan van de Ven wrote: > > on first look it seems to be missing a bunch of get_user() calls and > > does direct access instead.... > > It was intentional for speed purpose. The areas are checked once with > verify_area() when we need to access memory, then data is copied directly > from/to memory. I don't think there's any risk, but I can be wrong.
it's an oopsable offence; nothing is making sure the memory is actually present for example. [unhandled content-type:application/pgp-signature] | |