WTF: patch "[PATCH] selftests/landlock: Add tests for unknown access rights" was seriously submitted to be applied to the 5.18-stable tree?

The patch below was submitted to be applied to the 5.18-stable tree.

I fail to see how this patch meets the stable kernel rules as found at Documentation/process/stable-kernel-rules.rst.

I could be totally wrong, and if so, please respond to <[email protected]> and let me know why this patch should be applied. Otherwise, it is now dropped from my patch queues, never to be seen again.

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From c56b3bf566da5a0dd3b58ad97a614b0928b06ebf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micka=C3=ABl=20Sala=C3=BCn?= <[email protected]>
Date: Fri, 6 May 2022 18:08:14 +0200
Subject: [PATCH] selftests/landlock: Add tests for unknown access rights
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Make sure that trying to use unknown access rights returns an error.

index cc7fa7b17578..f293b7e2a1a7 100644
@@ -448,6 +448,22 @@ TEST_F_FORK(layout1, file_access_rights)
 	ASSERT_EQ(0, close(path_beneath.parent_fd));
 }
 
+TEST_F_FORK(layout1, unknown_access_rights)
+{
+	__u64 access_mask;
+
+	for (access_mask = 1ULL << 63; access_mask != ACCESS_LAST;
+	     access_mask >>= 1) {
+		struct landlock_ruleset_attr ruleset_attr = {
+			.handled_access_fs = access_mask,
+		};
+
+		ASSERT_EQ(-1, landlock_create_ruleset(&ruleset_attr,
+						      sizeof(ruleset_attr), 0));
+		ASSERT_EQ(EINVAL, errno);
+	}
+}
+
 static void add_path_beneath(struct __test_metadata *const _metadata,
 			     const int ruleset_fd, const __u64 allowed_access,
 			     const char *const path)