linux-kernel - [tip: locking/futex] selftests/futex: Fix format-security warnings in futex_priv

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Message-ID: <175673689237.1920.5397597074920572070.tip-bot2@tip-bot2>
Date: Mon, 01 Sep 2025 14:28:12 -0000
From: "tip-bot2 for Nai-Chen Cheng" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: "Nai-Chen Cheng" <bleach1827@...il.com>,
 Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
 "Borislav Petkov (AMD)" <bp@...en8.de>, x86@...nel.org,
 linux-kernel@...r.kernel.org
Subject: [tip: locking/futex] selftests/futex: Fix format-security warnings in
 futex_priv_hash

The following commit has been merged into the locking/futex branch of tip:

Commit-ID:     f8ef9c24029c85cd0328a9c668283017d8c292ad
Gitweb:        https://git.kernel.org/tip/f8ef9c24029c85cd0328a9c668283017d8c292ad
Author:        Nai-Chen Cheng <bleach1827@...il.com>
AuthorDate:    Wed, 27 Aug 2025 15:00:09 +02:00
Committer:     Borislav Petkov (AMD) <bp@...en8.de>
CommitterDate: Mon, 01 Sep 2025 16:20:08 +02:00

selftests/futex: Fix format-security warnings in futex_priv_hash

Fix format-security warnings by using proper format strings when passing
message variables to ksft_exit_fail_msg(), ksft_test_result_pass(), and
ksft_test_result_skip() function.

Thus prevent potential security issues and eliminate compiler warnings when
building with -Wformat-security.

Signed-off-by: Nai-Chen Cheng <bleach1827@...il.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Signed-off-by: Borislav Petkov (AMD) <bp@...en8.de>
Link: https://lore.kernel.org/20250827130011.677600-4-bigeasy@linutronix.de
---
 tools/testing/selftests/futex/functional/futex_priv_hash.c | 10 +++----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/tools/testing/selftests/futex/functional/futex_priv_hash.c b/tools/testing/selftests/futex/functional/futex_priv_hash.c
index ec032fa..ffd60d0 100644
--- a/tools/testing/selftests/futex/functional/futex_priv_hash.c
+++ b/tools/testing/selftests/futex/functional/futex_priv_hash.c
@@ -192,10 +192,10 @@ int main(int argc, char *argv[])
 	futex_slots1 = futex_hash_slots_get();
 	if (futex_slots1 <= 0) {
 		ksft_print_msg("Current hash buckets: %d\n", futex_slots1);
-		ksft_exit_fail_msg(test_msg_auto_create);
+		ksft_exit_fail_msg("%s", test_msg_auto_create);
 	}
 
-	ksft_test_result_pass(test_msg_auto_create);
+	ksft_test_result_pass("%s", test_msg_auto_create);
 
 	online_cpus = sysconf(_SC_NPROCESSORS_ONLN);
 	ret = pthread_barrier_init(&barrier_main, NULL, MAX_THREADS + 1);
@@ -236,11 +236,11 @@ retry_getslots:
 			}
 			ksft_print_msg("Expected increase of hash buckets but got: %d -> %d\n",
 				       futex_slots1, futex_slotsn);
-			ksft_exit_fail_msg(test_msg_auto_inc);
+			ksft_exit_fail_msg("%s", test_msg_auto_inc);
 		}
-		ksft_test_result_pass(test_msg_auto_inc);
+		ksft_test_result_pass("%s", test_msg_auto_inc);
 	} else {
-		ksft_test_result_skip(test_msg_auto_inc);
+		ksft_test_result_skip("%s", test_msg_auto_inc);
 	}
 	ret = pthread_mutex_unlock(&global_lock);