add fs_bpf_loader selinux type

To be used for things that only the bpfloader should be access.

Expected use case is for programs that the bpfloader should load,
pin into the filesystem, *and* attach.

[ie. no need for anything else to attach the programs]

Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I035d3fcbf6cee523e41cdde23b8edc13311a45e8
diff --git a/private/genfs_contexts b/private/genfs_contexts
index 29d8561..d0af186 100644
--- a/private/genfs_contexts
+++ b/private/genfs_contexts
@@ -395,7 +395,9 @@
 genfscon functionfs / u:object_r:functionfs:s0
 genfscon usbfs / u:object_r:usbfs:s0
 genfscon binfmt_misc / u:object_r:binfmt_miscfs:s0
+
 genfscon bpf / u:object_r:fs_bpf:s0
+genfscon bpf /loader u:object_r:fs_bpf_loader:s0
 genfscon bpf /net_private u:object_r:fs_bpf_net_private:s0
 genfscon bpf /net_shared u:object_r:fs_bpf_net_shared:s0
 genfscon bpf /netd_readonly u:object_r:fs_bpf_netd_readonly:s0