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Subject: Re: [RFC PATCH 2/6] virtio/console: Add a failback for unstealable
 pipe buffer
From: Steven Rostedt <rostedt@goodmis.org>
To: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Amit Shah <amit.shah@redhat.com>,
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Date: Thu, 09 Aug 2012 08:35:32 -0400
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On Thu, 2012-08-09 at 18:24 +0900, Masami Hiramatsu wrote:

> Yeah, it is really easy to fix that.
> But out of curiosity, would that be really a problem?
> I guess that host can access any guest page if need. If that
> is right, is that really insecure to leak randomly allocated
> unused page to the host?

Yeah, it's like protecting userspace pages from the kernel ;-)

-- Steve


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