On Thu, Dec 14, 2023 at 12:24:44AM +0100, Ilya Leoshkevich 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> > --- > arch/s390/include/asm/cpu_mf.h | 6 ++++++ > 1 file changed, 6 insertions(+) Acked-by: Heiko Carstens <hca@xxxxxxxxxxxxx>
