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From: Amit Shah <amit@amitshah.net>
To: "Michael S. Tsirkin" <mst@redhat.com>, linux-kernel@vger.kernel.org
Cc: Amit Shah <amit@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	virtualization@lists.linux-foundation.org,
	stable@vger.kernel.org, Tiwei Bie <tiwei.bie@intel.com>,
	Jason Wang <jasowang@redhat.com>
Subject: Re: [PATCH 0/6] virtio-console: spec compliance fixes
Date: Wed, 25 Apr 2018 07:01:33 -0700	[thread overview]
Message-ID: <33E19766-1FBE-446D-8D04-17B0960EA013@amitshah.net> (raw)
In-Reply-To: <20180424214104-mutt-send-email-mst@kernel.org>



On 24 April 2018 11:41:29 AM GMT-07:00, "Michael S. Tsirkin" <mst@redhat.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

  reply	other threads:[~2018-04-25 14:02 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-20 18:18 Michael S. Tsirkin
2018-04-20 18:18 ` [PATCH 1/6] virtio_console: don't tie bufs to a vq Michael S. Tsirkin
2018-04-21  7:30   ` Greg Kroah-Hartman
2018-04-24 18:56     ` Michael S. Tsirkin
2018-04-25  5:50       ` Greg Kroah-Hartman
2018-04-20 18:18 ` [PATCH 3/6] virtio_console: free buffers after reset Michael S. Tsirkin
2018-04-24  2:40   ` Jason Wang
2018-04-20 18:18 ` [PATCH 2/6] virtio: add ability to iterate over vqs Michael S. Tsirkin
2018-04-20 18:18 ` [PATCH 4/6] virtio_console: drop custom control queue cleanup Michael S. Tsirkin
2018-04-20 18:18 ` [PATCH 5/6] virtio_console: move removal code Michael S. Tsirkin
2018-04-20 18:18 ` [PATCH 6/6] virtio_console: reset on out of memory Michael S. Tsirkin
2018-04-24 18:41 ` [PATCH 0/6] virtio-console: spec compliance fixes Michael S. Tsirkin
2018-04-25 14:01   ` Amit Shah [this message]
2018-05-03  3:34   ` Amit Shah
2018-05-03  3:45   ` Amit Shah
2018-05-03 19:28     ` Michael S. Tsirkin
2018-05-06 17:56       ` Amit Shah
2018-05-06 18:24       ` Amit Shah
2018-05-06 19:52         ` Michael S. Tsirkin

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