1 files changed, 9 insertions, 1 deletions
diff --git a/lib/gitlab/checks/changes_access.rb b/lib/gitlab/checks/changes_access.rb
index 3676189fe37..194e3f6e938 100644
--- a/lib/gitlab/checks/changes_access.rb
+++ b/lib/gitlab/checks/changes_access.rb
@@ -89,7 +89,7 @@ module Gitlab
         @single_changes_accesses ||=
           changes.map do |change|
             commits =
-              if blank_rev?(change[:newrev])
+              if !commitish_ref?(change[:ref]) || blank_rev?(change[:newrev])
                 []
               else
                 Gitlab::Lazy.new { commits_for(change[:oldrev], change[:newrev]) }
@@ -122,6 +122,14 @@ module Gitlab
       def blank_rev?(rev)
         rev.blank? || Gitlab::Git.blank_ref?(rev)
       end
+
+      # refs/notes/commits contains commits added via `git-notes`. We currently
+      # have no features that check notes so we can skip them. To future-proof
+      # we are skipping anything that isn't a branch or tag ref as those are
+      # the only refs that can contain commits.
+      def commitish_ref?(ref)
+        Gitlab::Git.branch_ref?(ref) || Gitlab::Git.tag_ref?(ref)
+      end
     end
   end
 end