linux-kernel - [PATCH 2/4] lkdtm: add "WARNING" trigger

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Message-Id: <1371926227-2609-3-git-send-email-keescook@chromium.org>
Date:	Sat, 22 Jun 2013 11:37:05 -0700
From:	Kees Cook <keescook@...omium.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Arnd Bergmann <arnd@...db.de>, Ankita Garg <ankita@...ibm.com>,
	Simon Kagstrom <simon.kagstrom@...insight.net>,
	Kees Cook <keescook@...omium.org>
Subject: [PATCH 2/4] lkdtm: add "WARNING" trigger

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

Signed-off-by: Kees Cook <keescook@...omium.org>
---
 drivers/misc/lkdtm.c |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/misc/lkdtm.c b/drivers/misc/lkdtm.c
index adb6bde..b1323fc 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;
-- 
1.7.9.5

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