From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
To: "Michael S. Tsirkin" <mst@redhat.com>, linux-kernel@vger.kernel.org
Cc: Alex Williamson <alex.williamson@redhat.com>,
Greg Kurz <gkurz@linux.vnet.ibm.com>,
kvm@vger.kernel.org, virtualization@lists.linux-foundation.org,
netdev@vger.kernel.org
Subject: Re: [PATCH] vhost/net: length miscalculation
Date: Wed, 07 Jan 2015 23:58:00 +0300 [thread overview]
Message-ID: <54AD9DD8.2080008@cogentembedded.com> (raw)
In-Reply-To: <1420620847-24477-1-git-send-email-mst@redhat.com>
Hello.
On 01/07/2015 11:55 AM, Michael S. Tsirkin wrote:
> commit 8b38694a2dc8b18374310df50174f1e4376d6824
> vhost/net: virtio 1.0 byte swap
> had this chunk:
> - heads[headcount - 1].len += datalen;
> + heads[headcount - 1].len = cpu_to_vhost32(vq, len - datalen);
> This adds datalen with the wrong sign, causing guest panics.
> Fixes: 8b38694a2dc8b18374310df50174f1e4376d6824
The format of this tag assumes 12-digit SHA1 hash and the commit
description enclosed in parens and double quotes. See
Documentation/SubmittingPatches.
> Reported-by: Alex Williamson <alex.williamson@redhat.com>
> Suggested-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
WBR, Sergei
next prev parent reply other threads:[~2015-01-07 20:58 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-07 8:55 [PATCH] vhost/net: length miscalculation Michael S. Tsirkin
2015-01-07 15:09 ` Alex Williamson
2015-01-07 15:09 ` Alex Williamson
2015-01-07 20:58 ` Sergei Shtylyov [this message]
2015-01-08 8:08 ` Michael S. Tsirkin
2015-01-08 8:08 ` Michael S. Tsirkin
2015-01-07 20:58 ` Sergei Shtylyov
-- strict thread matches above, loose matches on Subject: below --
2015-01-07 8:55 Michael S. Tsirkin
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