On Thursday 14 February 2013 13:53:26 Bjørn Mork wrote: > Do not scribble past end of buffer. Check if the userspace buffer has > enough space available before attempting to move more data there. Throw > away all previously read data if the buffer is full. > > Cc: stable <stable@xxxxxxxxxxxxxxx> > Signed-off-by: Bjørn Mork <bjorn@xxxxxxx> > --- > Hello Oliver! > > I hope I am missing something here... > > This is otherwise a pretty nasty bug which I cannot understand we > didn't notice before. What am I missing? Hi, I am afraid your diagnosis is correct. This is a buffer overflow. Not good. The fix is a problem. It seems to me that we need to throw away the newest data and report an error. Regards Oliver -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
