From 7b25a85c9d9f796c5be7ad3fb8b9553d3e2ed958 Mon Sep 17 00:00:00 2001 From: Kees Cook Date: Fri, 4 Aug 2017 13:04:21 -0700 Subject: lkdtm: Test VMAP_STACK allocates leading/trailing guard pages Two new tests STACK_GUARD_PAGE_LEADING and STACK_GUARD_PAGE_TRAILING attempt to read the byte before and after, respectively, of the current stack frame, which should fault. Signed-off-by: Kees Cook --- drivers/misc/lkdtm.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/misc/lkdtm.h') diff --git a/drivers/misc/lkdtm.h b/drivers/misc/lkdtm.h index 063f5d651076..3c8627ca5f42 100644 --- a/drivers/misc/lkdtm.h +++ b/drivers/misc/lkdtm.h @@ -22,6 +22,8 @@ void lkdtm_HUNG_TASK(void); void lkdtm_CORRUPT_LIST_ADD(void); void lkdtm_CORRUPT_LIST_DEL(void); void lkdtm_CORRUPT_USER_DS(void); +void lkdtm_STACK_GUARD_PAGE_LEADING(void); +void lkdtm_STACK_GUARD_PAGE_TRAILING(void); /* lkdtm_heap.c */ void lkdtm_OVERWRITE_ALLOCATION(void); -- cgit v1.2.3-59-g8ed1b