linux-kernel - [PATCH] selftests/seccomp: fix 32-bit build warnings

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Message-ID: <20151210225025.GA14843@www.outflux.net>
Date:	Thu, 10 Dec 2015 14:50:25 -0800
From:	Kees Cook <keescook@...omium.org>
To:	Shuah Khan <shuahkh@....samsung.com>
Cc:	linux-kernel@...r.kernel.org, alexandru.n.branciog@...el.com,
	adamse@...gle.com
Subject: [PATCH] selftests/seccomp: fix 32-bit build warnings

The casting was done incorrectly for 32-bit builds. Fixed to use uintptr_t.

Reported-by: Eric Adams <adamse@...gle.com>
Signed-off-by: Kees Cook <keescook@...omium.org>
---
 tools/testing/selftests/seccomp/test_harness.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/seccomp/test_harness.h b/tools/testing/selftests/seccomp/test_harness.h
index fb2841601f2f..a786c69c7584 100644
--- a/tools/testing/selftests/seccomp/test_harness.h
+++ b/tools/testing/selftests/seccomp/test_harness.h
@@ -42,6 +42,7 @@
 #define TEST_HARNESS_H_
 
 #define _GNU_SOURCE
+#include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -370,8 +371,8 @@
 	__typeof__(_expected) __exp = (_expected); \
 	__typeof__(_seen) __seen = (_seen); \
 	if (!(__exp _t __seen)) { \
-		unsigned long long __exp_print = (unsigned long long)__exp; \
-		unsigned long long __seen_print = (unsigned long long)__seen; \
+		unsigned long long __exp_print = (uintptr_t)__exp; \
+		unsigned long long __seen_print = (uintptr_t)__seen; \
 		__TH_LOG("Expected %s (%llu) %s %s (%llu)", \
 			 #_expected, __exp_print, #_t, \
 			 #_seen, __seen_print); \
-- 
2.6.3


-- 
Kees Cook
Chrome OS & Brillo Security
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