lkdtm: add "WARNING" trigger

For additional testing, add "WARNING" as a trigger that calls WARN_ON(1).

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/misc/lkdtm.c b/drivers/misc/lkdtm.c
index adb6bde2ecc2..b1323fc881b1 100644
--- a/drivers/misc/lkdtm.c
+++ b/drivers/misc/lkdtm.c
@@ -68,6 +68,7 @@ enum ctype {
         CT_NONE,
         CT_PANIC,
         CT_BUG,
+        CT_WARNING,
         CT_EXCEPTION,
         CT_LOOP,
         CT_OVERFLOW,
@@ -95,6 +96,7 @@ static char* cp_name[] = {
 static char* cp_type[] = {
         "PANIC",
         "BUG",
+        "WARNING",
         "EXCEPTION",
         "LOOP",
         "OVERFLOW",
@@ -284,6 +286,9 @@ static void lkdtm_do_action(enum ctype which)
         case CT_BUG:
                 BUG();
                 break;
+        case CT_WARNING:
+                WARN_ON(1);
+                break;
         case CT_EXCEPTION:
                 *((int *) 0) = 0;
                 break;