Subject: Re: [PATCH 1/1] vhost: Protect the virtqueue from being cleared whilst still in use

From: Greg KH <[email-masked]>
Date: Mon, 14 Mar 2022 09:56:13 +0100

On Mon, Mar 14, 2022 at 08:43:02AM +0000, Lee Jones wrote:
> vhost_vsock_handle_tx_kick() already holds the mutex during its call
> to vhost_get_vq_desc().  All we have to do here is take the same lock
> during virtqueue clean-up and we mitigate the reported issues.
> 
> Also WARN() as a precautionary measure.  The purpose of this is to
> capture possible future race conditions which may pop up over time.

These two sentances do not match your actual patch :(

> Cc: <[email-masked]>
> Signed-off-by: Lee Jones <[email-masked]>

What commit caused this problem?  Can you add a Fixes: line as well for
this?

thanks,

greg k-h