On Tue, Mar 26, 2024 at 12:25:07AM +0000, Taylor R Campbell wrote: > > We should really expose a /dev/ugen* instance for _every_ USB device; > those that have kernel drivers attached have only limited access via > /dev/ugen* (no reads, writes, transfer ioctls, &c.), until you do > ioctl(USB_KICK_OUT_KERNEL_DRIVER) or whatever, at which point the > kernel driver will detach and the user program can take over instead > and use the full ugen(4) API.
I don't think this can be safely allowed at security level > 0, unless, perhaps, it's restricted from working on devices that would match disk drivers.
