On Mon, Sep 25, 2023 at 6:36 PM Maxime Coquelin
<[email protected]> wrote:
>
> Acquiring the access lock is not enough to ensure
> virtqueue's metadata such as vring pointers are valid.
>
> The access status must also be checked.
Even if adding the lock was not enough, I would flag Fixes:
6c299bb7322f ("vhost: introduce vring call API")
>
> Fixes: c5736998305d ("vhost: fix missing virtqueue lock protection")
> Fixes: 830f7e790732 ("vhost: add non-blocking API for posting interrupt")
> Cc: [email protected]
>
> Reported-by: Li Feng <[email protected]>
> Signed-off-by: Maxime Coquelin <[email protected]>
--
David Marchand
