[PATCH 1/3] lkdtm: Include WARN format string

From: Kees Cook
Date: Tue Nov 07 2017 - 19:28:05 EST


In order to test the ordering of WARN format strings, actually include one
in LKDTM.

Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
---
drivers/misc/lkdtm_bugs.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/misc/lkdtm_bugs.c b/drivers/misc/lkdtm_bugs.c
index 9e0b4f959987..8523f7dbac99 100644
--- a/drivers/misc/lkdtm_bugs.c
+++ b/drivers/misc/lkdtm_bugs.c
@@ -62,9 +62,11 @@ void lkdtm_BUG(void)
BUG();
}

+static int warn_counter;
+
void lkdtm_WARNING(void)
{
- WARN_ON(1);
+ WARN(1, "Warning message trigger count: %d\n", warn_counter++);
}

void lkdtm_EXCEPTION(void)
--
2.7.4