Re: [PATCH v1 0/2] usb: gadget: uvc: stability fixes when stopping streams

[Avichal Rakesh]

On Mon, Sep 11, 2023 at 9:19 PM Avichal Rakesh <arakesh@xxxxxxxxxx> wrote:
>
> We have been seeing two main bugs when stopping stream:
> 1. attempting to queue usb_requests on a disabled usb endpoint, and
> 2. use-after-free problems for inflight requests
>
> Avichal Rakesh (2):
>   usb: gadget: uvc: prevent use of disabled endpoint
>   usb: gadget: uvc: prevent de-allocating inflight usb_requests
>
>  drivers/usb/gadget/function/f_uvc.c     | 11 ++++----
>  drivers/usb/gadget/function/f_uvc.h     |  2 +-
>  drivers/usb/gadget/function/uvc.h       |  5 +++-
>  drivers/usb/gadget/function/uvc_v4l2.c  | 21 ++++++++++++---
>  drivers/usb/gadget/function/uvc_video.c | 34 +++++++++++++++++++++++--
>  5 files changed, 60 insertions(+), 13 deletions(-)
>

Bumping this thread up. Laurent, Dan, and Michael could you take a look?

Thank you!
- Avi.