On Mon, Jan 13, 2020 at 06:18:18PM +0100, Johan Hovold wrote: > The driver was issuing synchronous uninterruptible control requests > without using a timeout. This could lead to the driver hanging on > various user requests due to a malfunctioning (or malicious) device > until the device is physically disconnected. > > The USB upper limit of five seconds per request should be more than > enough. > > Fixes: f3d27f34fdd7 ("[media] usbtv: Add driver for Fushicai USBTV007 video frame grabber") > Fixes: c53a846c48f2 ("[media] usbtv: add video controls") > Cc: stable <stable@xxxxxxxxxxxxxxx> # 3.11 > Cc: Lubomir Rintel <lkundrak@xxxxx> > Signed-off-by: Johan Hovold <johan@xxxxxxxxxx> Reviewed-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>