In the Android smartphone world, most big OEMs abid by the GPL properly, with nothing closed source in kernel. But if you have bugs either in other processors'

In the Android smartphone world, most big OEMs abid by the GPL properly, with nothing closed source in kernel. But if you have bugs either in other processors' firmware, or in userspace binary libraries, kernel's GPL won't save you. One could say that userspace binary blobs are meant to circumvent the GPL, but I don't have that feeling: GLES libs are userland just like Mesa, modem is userland just like ofono It looks like userspace/kernelspace separation is pretty much the same between oss world and android smartphones' proprietary world