Re: [patch 0/6] lightweight robust futexes: -V3

From: Daniel Walker
Date: Thu Feb 16 2006 - 12:32:07 EST


On Thu, 2006-02-16 at 18:24 +0100, Ingo Molnar wrote:
> * Daniel Walker <dwalker@xxxxxxxxxx> wrote:
>
> > Another thing I noticed was that futex_offset on the surface looks
> > like a malicious users dream variable .. [...]
>
> i have no idea what you mean by that - could you explain whatever threat
> you have in mind, in more detail?

As I said, "on the surface" you could manipulate the futex_offset to
access memory unrelated to the futex structure . That's all I'm
referring too ..

Daniel

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