On Thu, Oct 22, 2020 at 1:45 PM Marco Elver <el...@google.com> wrote: > > In preparation of supporting only addresses not within the NULL page, > change the selftest to never use addresses that are less than PAGE_SIZE. > > Signed-off-by: Marco Elver <el...@google.com>
Reviewed-by: Dmitry Vyukov <dvyu...@google.com> > --- > v2: > * Introduce patch to series. > --- > kernel/kcsan/selftest.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/kernel/kcsan/selftest.c b/kernel/kcsan/selftest.c > index d98bc208d06d..9014a3a82cf9 100644 > --- a/kernel/kcsan/selftest.c > +++ b/kernel/kcsan/selftest.c > @@ -33,6 +33,9 @@ static bool test_encode_decode(void) > unsigned long addr; > > prandom_bytes(&addr, sizeof(addr)); > + if (addr < PAGE_SIZE) > + addr = PAGE_SIZE; > + > if (WARN_ON(!check_encodable(addr, size))) > return false; > > -- > 2.29.0.rc1.297.gfa9743e501-goog >
