linux-hardening - [PATCH 4/9] time: test: Fix incorrect format specifier

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Date: Wed, 21 Feb 2024 17:27:17 +0800
From: David Gow <davidgow@...gle.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>, Shuah Khan <skhan@...uxfoundation.org>, 
	Guenter Roeck <linux@...ck-us.net>, Rae Moar <rmoar@...gle.com>, 
	Matthew Auld <matthew.auld@...el.com>, 
	Arunpravin Paneer Selvam <arunpravin.paneerselvam@....com>, 
	"Christian König" <christian.koenig@....com>, Kees Cook <keescook@...omium.org>, 
	"Maíra Canal" <mcanal@...lia.com>, Rodrigo Vivi <rodrigo.vivi@...el.com>, 
	Matthew Brost <matthew.brost@...el.com>, Willem de Bruijn <willemb@...gle.com>, 
	Florian Westphal <fw@...len.de>, Cassio Neri <cassio.neri@...il.com>, 
	Javier Martinez Canillas <javierm@...hat.com>, Arthur Grillo <arthur.grillo@....br>
Cc: David Gow <davidgow@...gle.com>, Brendan Higgins <brendan.higgins@...ux.dev>, 
	Daniel Latypov <dlatypov@...gle.com>, Stephen Boyd <sboyd@...nel.org>, David Airlie <airlied@...il.com>, 
	Maxime Ripard <mripard@...nel.org>, "David S . Miller" <davem@...emloft.net>, 
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
	intel-xe@...ts.freedesktop.org, linux-rtc@...r.kernel.org, 
	linux-kselftest@...r.kernel.org, kunit-dev@...glegroups.com, 
	linux-hardening@...r.kernel.org, netdev@...r.kernel.org
Subject: [PATCH 4/9] time: test: Fix incorrect format specifier

'days' is a s64 (from div_s64), and so should use a %lld specifier.

This was found by extending KUnit's assertion macros to use gcc's
__printf attribute.

Fixes: 276010551664 ("time: Improve performance of time64_to_tm()")
Signed-off-by: David Gow <davidgow@...gle.com>
---
 kernel/time/time_test.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/time/time_test.c b/kernel/time/time_test.c
index ca058c8af6ba..3e5d422dd15c 100644
--- a/kernel/time/time_test.c
+++ b/kernel/time/time_test.c
@@ -73,7 +73,7 @@ static void time64_to_tm_test_date_range(struct kunit *test)
 
 		days = div_s64(secs, 86400);
 
-		#define FAIL_MSG "%05ld/%02d/%02d (%2d) : %ld", \
+		#define FAIL_MSG "%05ld/%02d/%02d (%2d) : %lld", \
 			year, month, mdday, yday, days
 
 		KUNIT_ASSERT_EQ_MSG(test, year - 1900, result.tm_year, FAIL_MSG);
-- 
2.44.0.rc0.258.g7320e95886-goog