Patch "selftests/seccomp: Use __NR_mknodat instead of __NR_mknod" has been added to the 5.9-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    selftests/seccomp: Use __NR_mknodat instead of __NR_mknod

to the 5.9-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     selftests-seccomp-use-__nr_mknodat-instead-of-__nr_m.patch
and it can be found in the queue-5.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 82baab076cfd5c8f6d22797cffb076e4b3acfecb
Author: Kees Cook <keescook@xxxxxxxxxxxx>
Date:   Sat Sep 12 04:08:20 2020 -0700

    selftests/seccomp: Use __NR_mknodat instead of __NR_mknod
    
    [ Upstream commit 05b52c6625278cc6ed1245a569167f86a971ff86 ]
    
    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@xxxxxxxxxxxx>
    Link: https://lore.kernel.org/lkml/20200912110820.597135-16-keescook@xxxxxxxxxxxx
    Acked-by: Christian Brauner <christian.brauner@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c
index 7a6d40286a421..9dc13be8fe5f5 100644
--- a/tools/testing/selftests/seccomp/seccomp_bpf.c
+++ b/tools/testing/selftests/seccomp/seccomp_bpf.c
@@ -3715,7 +3715,7 @@ 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);