On Mon, Nov 22, 2021 at 04:43:36PM +1100, Michael Ellerman wrote: > LEROY Christophe <christophe.le...@csgroup.eu> writes: > > Le 18/11/2021 à 21:36, Kees Cook a écrit : > >> In preparation for FORTIFY_SOURCE performing compile-time and run-time > >> field bounds checking for memset(), avoid intentionally writing across > >> neighboring fields. > >> > >> Add a struct_group() for the spe registers so that memset() can correctly > >> reason > >> about the size: > >> > >> In function 'fortify_memset_chk', > >> inlined from 'restore_user_regs.part.0' at > >> arch/powerpc/kernel/signal_32.c:539:3: > >> >> include/linux/fortify-string.h:195:4: error: call to > >> '__write_overflow_field' declared with attribute warning: detected write > >> beyond size of field (1st parameter); maybe use struct_group()? > >> [-Werror=attribute-warning] > >> 195 | __write_overflow_field(); > >> | ^~~~~~~~~~~~~~~~~~~~~~~~ > >> > >> Reported-by: kernel test robot <l...@intel.com> > >> Signed-off-by: Kees Cook <keesc...@chromium.org> > > > > Reviewed-by: Christophe Leroy <christophe.le...@csgroup.eu> > > Acked-by: Michael Ellerman <m...@ellerman.id.au>
Thanks! Should I take this via my tree, or do you want to take it via ppc? -Kees -- Kees Cook
