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Re: [Qemu-devel] [RFC PATCH 2/6] virtio/console: Add a failback for unst
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From: |
Steven Rostedt |
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Subject: |
Re: [Qemu-devel] [RFC PATCH 2/6] virtio/console: Add a failback for unstealable pipe buffer |
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Date: |
Thu, 09 Aug 2012 08:35:32 -0400 |
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