linux-kernel - Re: [PATCH 0/6] virtio-console: spec compliance fixes

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Date:   Wed, 25 Apr 2018 07:01:33 -0700
From:   Amit Shah <amit@...tshah.net>
To:     "Michael S. Tsirkin" <mst@...hat.com>, linux-kernel@...r.kernel.org
CC:     Amit Shah <amit@...nel.org>, Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        virtualization@...ts.linux-foundation.org, stable@...r.kernel.org,
        Tiwei Bie <tiwei.bie@...el.com>,
        Jason Wang <jasowang@...hat.com>
Subject: Re: [PATCH 0/6] virtio-console: spec compliance fixes



On 24 April 2018 11:41:29 AM GMT-07:00, "Michael S. Tsirkin" <mst@...hat.com> wrote:
>On Fri, Apr 20, 2018 at 09:17:59PM +0300, Michael S. Tsirkin wrote:
>> Turns out virtio console tries to take a buffer out of an active vq.
>> Works by sheer luck, and is explicitly forbidden by spec.  And while
>> going over it I saw that error handling is also broken -
>> failure is easy to trigger if I force allocations to fail.
>> 
>> Lightly tested.
>
>Amit - any feedback before I push these patches?

I'm traveling this week, will be able to take a look early next week.

                Amit

-- 
http://amitshah.net