On Thu, Dec 14, 2023 at 12:37 AM Ilya Leoshkevich <iii@xxxxxxxxxxxxx> wrote: > > stcctm() uses the "Q" constraint for dest, therefore KMSAN does not > understand that it fills multiple doublewords pointed to by dest, not > just one. This results in false positives. > > Unpoison the whole dest manually with kmsan_unpoison_memory(). > > Reported-by: Alexander Gordeev <agordeev@xxxxxxxxxxxxx> > Signed-off-by: Ilya Leoshkevich <iii@xxxxxxxxxxxxx> Reviewed-by: Alexander Potapenko <glider@xxxxxxxxxx>
