Re: [PATCH v2 01/25] virtio-gpu: disable blob scanouts on mapping cleanup

[Akihiko Odaki]

On 2026/09/04 22:10, Marc-André Lureau wrote:

When a blob resource backing is cleaned up (for ex via detach_backing),
any scanouts referencing it must be disabled first to prevent the
dmabuf from outliving its backing memory.

Fixes: CVE-2026-66020
Fixes: 32db3c63ae11 ("virtio-gpu: Add virtio_gpu_set_scanout_blob")
Reported-by: Akihiko Odaki <od...@rsg.ci.i.u-tokyo.ac.jp>
Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com>

Reviewed-by: Akihiko Odaki <od...@rsg.ci.i.u-tokyo.ac.jp>

Regards,
Akihiko Odaki