From: Marco Elver <[email protected]> In preparation of supporting only addresses not within the NULL page, change the selftest to never use addresses that are less than PAGE_SIZE.
Reviewed-by: Dmitry Vyukov <[email protected]> Signed-off-by: Marco Elver <[email protected]> Signed-off-by: Paul E. McKenney <[email protected]> --- kernel/kcsan/selftest.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/kernel/kcsan/selftest.c b/kernel/kcsan/selftest.c index d98bc20..9014a3a 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; -- 2.9.5
