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Re: Denial of service attack via libpager

From: Richard Braun
Subject: Re: Denial of service attack via libpager
Date: Mon, 29 Aug 2016 11:24:29 +0200
User-agent: Mutt/1.5.23 (2014-03-12)

On Mon, Aug 29, 2016 at 11:20:47AM +0200, Richard Braun wrote:
> In addition, I've just thought about something else : if we handle
> multiple clients, how do we make sure that two kernels, caching the
> same file, don't just completely corrupt its content ? We'd need
> some kind of cooperation to prevent the file being mapped more than
> once I suppose, right ?

Or, well, a complete cache coherence protocol, with a very large
overhead per operation.

Richard Braun

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