From: "Michael S. Tsirkin" <mst@redhat.com>
To: Jason Wang <jasowang@redhat.com>
Cc: Eli Cohen <elic@nvidia.com>,
virtualization@lists.linux-foundation.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] vdpa/mlx5: fix param validation in mlx5_vdpa_get_config()
Date: Wed, 10 Feb 2021 07:12:31 -0500 [thread overview]
Message-ID: <20210210071129-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <cdd75885-3610-8685-14f3-5467a8ef1501@redhat.com>
On Wed, Feb 10, 2021 at 12:17:19PM +0800, Jason Wang wrote:
>
> On 2021/2/9 下午5:00, Stefano Garzarella wrote:
> > On Tue, Feb 09, 2021 at 07:43:02AM +0200, Eli Cohen wrote:
> > > On Mon, Feb 08, 2021 at 05:17:41PM +0100, Stefano Garzarella wrote:
> > > > It's legal to have 'offset + len' equal to
> > > > sizeof(struct virtio_net_config), since 'ndev->config' is a
> > > > 'struct virtio_net_config', so we can safely copy its content under
> > > > this condition.
> > > >
> > > > Fixes: 1a86b377aa21 ("vdpa/mlx5: Add VDPA driver for supported
> > > > mlx5 devices")
> > > > Cc: stable@vger.kernel.org
> > > > Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
> > >
> > > Acked-by: Eli Cohen <elic@nvidia.com>
> > >
> > > BTW, same error in vdpa_sim you may want to fix.
> > >
> >
> > Commit 65b709586e22 ("vdpa_sim: add get_config callback in
> > vdpasim_dev_attr") unintentionally solved it.
> >
> > Since it's a simulator, maybe we can avoid solving it in the stable
> > branches. Or does it matter?
>
>
> I think not, since the module depends on RUNTIME_TESTING_MENU.
>
> Thanks
>
Well people use the simulator for development...
I'm not going to block this patch on it, but if someone
has the cycles to post a stable branch patch, that would be
great.
>
>
> >
> > Thanks,
> > Stefano
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WARNING: multiple messages have this Message-ID (diff)
From: "Michael S. Tsirkin" <mst@redhat.com>
To: Jason Wang <jasowang@redhat.com>
Cc: Stefano Garzarella <sgarzare@redhat.com>,
Eli Cohen <elic@nvidia.com>,
virtualization@lists.linux-foundation.org,
Parav Pandit <parav@nvidia.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] vdpa/mlx5: fix param validation in mlx5_vdpa_get_config()
Date: Wed, 10 Feb 2021 07:12:31 -0500 [thread overview]
Message-ID: <20210210071129-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <cdd75885-3610-8685-14f3-5467a8ef1501@redhat.com>
On Wed, Feb 10, 2021 at 12:17:19PM +0800, Jason Wang wrote:
>
> On 2021/2/9 下午5:00, Stefano Garzarella wrote:
> > On Tue, Feb 09, 2021 at 07:43:02AM +0200, Eli Cohen wrote:
> > > On Mon, Feb 08, 2021 at 05:17:41PM +0100, Stefano Garzarella wrote:
> > > > It's legal to have 'offset + len' equal to
> > > > sizeof(struct virtio_net_config), since 'ndev->config' is a
> > > > 'struct virtio_net_config', so we can safely copy its content under
> > > > this condition.
> > > >
> > > > Fixes: 1a86b377aa21 ("vdpa/mlx5: Add VDPA driver for supported
> > > > mlx5 devices")
> > > > Cc: stable@vger.kernel.org
> > > > Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
> > >
> > > Acked-by: Eli Cohen <elic@nvidia.com>
> > >
> > > BTW, same error in vdpa_sim you may want to fix.
> > >
> >
> > Commit 65b709586e22 ("vdpa_sim: add get_config callback in
> > vdpasim_dev_attr") unintentionally solved it.
> >
> > Since it's a simulator, maybe we can avoid solving it in the stable
> > branches. Or does it matter?
>
>
> I think not, since the module depends on RUNTIME_TESTING_MENU.
>
> Thanks
>
Well people use the simulator for development...
I'm not going to block this patch on it, but if someone
has the cycles to post a stable branch patch, that would be
great.
>
>
> >
> > Thanks,
> > Stefano
next prev parent reply other threads:[~2021-02-10 12:12 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-08 16:17 [PATCH] vdpa/mlx5: fix param validation in mlx5_vdpa_get_config() Stefano Garzarella
2021-02-08 16:17 ` Stefano Garzarella
2021-02-08 18:38 ` Michael S. Tsirkin
2021-02-08 18:38 ` Michael S. Tsirkin
2021-02-09 3:24 ` Jason Wang
2021-02-09 3:24 ` Jason Wang
2021-02-09 8:58 ` Stefano Garzarella
2021-02-09 8:58 ` Stefano Garzarella
2021-02-09 9:31 ` Michael S. Tsirkin
2021-02-09 9:31 ` Michael S. Tsirkin
2021-02-10 10:08 ` Stefano Garzarella
2021-02-10 10:08 ` Stefano Garzarella
2021-02-18 5:47 ` Jason Wang
2021-02-18 5:47 ` Jason Wang
2021-02-09 3:21 ` Jason Wang
2021-02-09 3:21 ` Jason Wang
2021-02-09 5:43 ` Eli Cohen
2021-02-09 9:00 ` Stefano Garzarella
2021-02-09 9:00 ` Stefano Garzarella
2021-02-10 4:17 ` Jason Wang
2021-02-10 4:17 ` Jason Wang
2021-02-10 12:12 ` Michael S. Tsirkin [this message]
2021-02-10 12:12 ` Michael S. Tsirkin
2021-02-11 15:39 ` Stefano Garzarella
2021-02-11 15:39 ` Stefano Garzarella
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