selftests/seccomp: Use __NR_mknodat instead of __NR_mknod

The __NR_mknod syscall doesn't exist on arm64 (only __NR_mknodat).
Switch to the modern syscall.

Fixes: ad5682184a81 ("selftests/seccomp: Check for EPOLLHUP for user_notif")
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/lkml/20200912110820.597135-16-keescook@chromium.org
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>

diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c
index c5002fc25b00fc8532e1461aafe68dd4e0a9a1b5..6ddef9fc7ea56f309d6e90d066a8bdb72ad6f381 100644 (file)
--- a/tools/testing/selftests/seccomp/seccomp_bpf.c
+++ b/tools/testing/selftests/seccomp/seccomp_bpf.c
@@ -3746,7 +3746,7 @@ TEST(user_notification_filter_empty)
        if (pid == 0) {
                int listener;
 
-               listener = user_notif_syscall(__NR_mknod, SECCOMP_FILTER_FLAG_NEW_LISTENER);
+               listener = user_notif_syscall(__NR_mknodat, SECCOMP_FILTER_FLAG_NEW_LISTENER);
                if (listener < 0)
                        _exit(EXIT_FAILURE);