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From: Paul Brook <paul@codesourcery.com>
To: Amit Shah <amit.shah@redhat.com>
Cc: qemu list <qemu-devel@nongnu.org>
Subject: [Qemu-devel] Re: [PATCH 5/5] virtio-serial: Error out if guest sends unexpected vq elements
Date: Fri, 10 Dec 2010 13:59:50 +0000	[thread overview]
Message-ID: <201012101359.50252.paul@codesourcery.com> (raw)
In-Reply-To: <38a2b7e584b2d76a6b8d116e9e291edb3b0ef50d.1291987020.git.amit.shah@redhat.com>

> Check if the guest really sent any items in the out_vq before using
> them.  Similarly, check if there is a buffer to send data in before
> writing.

Can this actually happen? If so why/how?
Why does it need a special case in this device?

If this is guest triggerable then calling abort() is wrong.

Paul

  reply	other threads:[~2010-12-10 13:59 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-10 13:25 [Qemu-devel] [PATCH 0/5] virtio-serial: Trivial fixes, don't copy buffers to host Amit Shah
2010-12-10 13:25 ` [Qemu-devel] [PATCH 1/5] virtio-console: Factor out common init between console and generic ports Amit Shah
2010-12-10 13:25 ` [Qemu-devel] [PATCH 2/5] virtio-console: Remove unnecessary braces Amit Shah
2010-12-10 13:25 ` [Qemu-devel] [PATCH 3/5] virtio-serial: Simplify condition for a while loop Amit Shah
2010-12-10 13:25 ` [Qemu-devel] [PATCH 4/5] virtio-serial: Don't copy over guest buffer to host Amit Shah
2010-12-10 14:02   ` [Qemu-devel] " Paul Brook
2010-12-10 14:59     ` Amit Shah
2010-12-10 15:17       ` Paul Brook
2010-12-10 15:26         ` Amit Shah
2010-12-10 13:25 ` [Qemu-devel] [PATCH 5/5] virtio-serial: Error out if guest sends unexpected vq elements Amit Shah
2010-12-10 13:59   ` Paul Brook [this message]
2010-12-10 14:59     ` [Qemu-devel] " Amit Shah
2010-12-10 15:17       ` Paul Brook
2010-12-10 15:30         ` Amit Shah

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