Hi Linus, On Sun, Oct 23, 2022 at 9:57 PM Jason A. Donenfeld <Jason@xxxxxxxxx> wrote: > > Sparse reports that calling add_device_randomness() on `uid` is a > violation of address spaces. And indeed the next usage uses readl() > properly, but that was left out when passing it toadd_device_ > randomness(). So instead copy the whole thing to the stack first. > > Fixes: 4040d10a3d44 ("ARM: ux500: add DB serial number to entropy pool") > Cc: Linus Walleij <linus.walleij@xxxxxxxxxx> > Cc: stable@xxxxxxxxxxxxxxx > Link: https://lore.kernel.org/all/202210230819.loF90KDh-lkp@xxxxxxxxx/ > Reported-by: kernel test robot <lkp@xxxxxxxxx> > Signed-off-by: Jason A. Donenfeld <Jason@xxxxxxxxx> Just thought I'd follow up on this. Jason