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>

diff --git a/drivers/misc/lkdtm.c b/drivers/misc/lkdtm.c
index adb6bde2ecc21793803e82c9bed85be094f85101..b1323fc881b1baa7c5bfd29979079b2b714c9ffb 100644 (file)
--- 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;