From 6478251f95121ae4b66e987c98482e0d0b149e5d Mon Sep 17 00:00:00 2001 From: =?utf8?q?Thomas=20Wei=C3=9Fschuh?= Date: Sat, 19 Apr 2025 12:46:23 +0200 Subject: [PATCH] selftests/nolibc: disable ubsan for smash_stack() MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit smash_stack() intentionally crashes. Prevent UBSAN from tripping over it. Signed-off-by: Thomas Weißschuh Acked-by: Willy Tarreau Link: https://lore.kernel.org/r/20250419-nolibc-ubsan-v2-6-060b8a016917@weissschuh.net --- tools/testing/selftests/nolibc/nolibc-test.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c index 7a60b6ac1457e..b176a706609b7 100644 --- a/tools/testing/selftests/nolibc/nolibc-test.c +++ b/tools/testing/selftests/nolibc/nolibc-test.c @@ -1438,6 +1438,7 @@ static int run_vfprintf(int min, int max) return ret; } +__attribute__((no_sanitize("undefined"))) static int smash_stack(void) { char buf[100]; -- 2.39.5