linux-kernel - Re: [PATCH v14 01/13] vhost: move vdpa group bound check to vhost

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Message-ID: <CACGkMEs-hw0N4G=4gAWghD+JEEnb6ex+1ML0i_AzfbZvK0M8AA@mail.gmail.com>
Date: Mon, 19 Jan 2026 14:29:17 +0800
From: Jason Wang <jasowang@...hat.com>
To: Eugenio Pérez <eperezma@...hat.com>
Cc: "Michael S . Tsirkin" <mst@...hat.com>, Laurent Vivier <lvivier@...hat.com>, linux-kernel@...r.kernel.org, 
	Xuan Zhuo <xuanzhuo@...ux.alibaba.com>, Maxime Coquelin <mcoqueli@...hat.com>, 
	Cindy Lu <lulu@...hat.com>, virtualization@...ts.linux.dev, 
	Yongji Xie <xieyongji@...edance.com>, Stefano Garzarella <sgarzare@...hat.com>
Subject: Re: [PATCH v14 01/13] vhost: move vdpa group bound check to vhost_vdpa

On Fri, Jan 16, 2026 at 10:05 PM Eugenio Pérez <eperezma@...hat.com> wrote:
>
> Remove duplication by consolidating these here.  This reduces the
> posibility of a parent driver missing them.
>
> While we're at it, fix a bug in vdpa_sim where a valid ASID can be
> assigned to a group equal to ngroups, causing an out of bound write.
>
> Cc: stable@...r.kernel.org
> Fixes: bda324fd037a ("vdpasim: control virtqueue support")
> Signed-off-by: Eugenio Pérez <eperezma@...hat.com>
> ---
> v12: Add Fixes tag (MST).
> ---

Acked-by: Jason Wang <jasowang@...hat.com>

Thanks