From: Avi Kivity <avi@redhat.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Mark McLoughlin <markmc@redhat.com>,
Scott Tsai <scottt.tw@gmail.com>,
kvm@vger.kernel.org, Dustin Kirkland <kirkland@canonical.com>,
qemu-devel@nongnu.org
Subject: [Qemu-devel] Re: qemu-kvm-0.11 regression, crashes on older guests with virtio network
Date: Thu, 29 Oct 2009 16:38:22 +0200 [thread overview]
Message-ID: <4AE9A8DE.1070609@redhat.com> (raw)
In-Reply-To: <20091029122334.GB3478@redhat.com>
On 10/29/2009 02:23 PM, Michael S. Tsirkin wrote:
> On Thu, Oct 29, 2009 at 09:16:43AM +0000, Mark McLoughlin wrote:
>
>> I agree we shouldn't exit in this scenario
>>
> virtio in qemu generally seems to handle guest errors
> by calling exit(2). This probably makes it easier to notice
> the problems, but is likely not the right thing to do.
>
Right, the thinking was the guest is shooting itself in the foot and
hitting, but a guest can delegate control of a device to unprivileged
code (for example device assignment in kvm), which would allow this
unprivileged code to kill the guest.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2009-10-29 14:38 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-28 19:22 [Qemu-devel] qemu-kvm-0.11 regression, crashes on older guests with virtio network Dustin Kirkland
2009-10-28 19:29 ` [Qemu-devel] " Dustin Kirkland
2009-10-29 3:12 ` [Qemu-devel] " Scott Tsai
2009-10-29 9:16 ` Mark McLoughlin
2009-10-29 12:00 ` Scott Tsai
2009-10-29 12:16 ` Mark McLoughlin
2009-10-29 12:21 ` Scott Tsai
2009-10-29 14:11 ` Anthony Liguori
2009-10-29 14:25 ` Mark McLoughlin
2009-10-29 14:34 ` Dustin Kirkland
2009-10-29 14:46 ` Dustin Kirkland
2009-10-29 14:50 ` Mark McLoughlin
2009-10-29 14:39 ` Anthony Liguori
2009-10-29 14:48 ` Mark McLoughlin
2009-10-29 15:01 ` Dustin Kirkland
2009-10-29 15:01 ` Mark McLoughlin
2009-10-29 15:13 ` Dustin Kirkland
2009-10-29 15:15 ` Mark McLoughlin
2009-10-29 15:34 ` [Qemu-devel] [PATCH] whitelist host virtio networking features [was Re: qemu-kvm-0.11 regression, crashes on older ...] Dustin Kirkland
2009-10-30 21:15 ` [Qemu-devel] " Dustin Kirkland
2009-11-02 14:38 ` Mark McLoughlin
2009-11-02 15:42 ` Anthony Liguori
2009-11-02 15:52 ` Jamie Lokier
2009-11-02 18:20 ` Michael Tokarev
2009-11-02 19:39 ` Jamie Lokier
2009-11-02 18:55 ` Anthony Liguori
2009-11-02 19:25 ` Dustin Kirkland
2009-11-02 20:50 ` Anthony Liguori
2009-11-05 5:06 ` Jamie Lokier
2009-11-02 16:58 ` Dustin Kirkland
2009-10-29 14:39 ` [Qemu-devel] qemu-kvm-0.11 regression, crashes on older guests with virtio network Dustin Kirkland
2009-10-29 23:22 ` Scott Tsai
2009-10-29 12:23 ` [Qemu-devel] " Michael S. Tsirkin
2009-10-29 14:38 ` Avi Kivity [this message]
2009-10-29 15:03 ` Michael S. Tsirkin
2009-10-29 14:43 ` [Qemu-devel] " Dustin Kirkland
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