From: Thomas Weißschuh <linux@weissschuh.net>
Date: Sun, 21 May 2023 09:36:32 +0000 (+0200)
Subject: tools/nolibc: add test for __stack_chk_guard initialization
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=8525092104ca97d5131fe594081dc176bcce34b5;p=linux.git

tools/nolibc: add test for __stack_chk_guard initialization

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
---

diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c
index d5d4dea63cd6f..861b9a74b71ff 100644
--- a/tools/testing/selftests/nolibc/nolibc-test.c
+++ b/tools/testing/selftests/nolibc/nolibc-test.c
@@ -808,6 +808,14 @@ static int run_protection(int min, int max)
 	return 0;
 #endif
 
+#if defined(NOLIBC_STACKPROTECTOR)
+	if (!__stack_chk_guard) {
+		llen += printf("__stack_chk_guard not initialized");
+		pad_spc(llen, 64, "[FAIL]\n");
+		return 1;
+	}
+#endif
+
 	pid = -1;
 	pid = fork();