(maint) ensure no nil dereference in find_in_interfaces

This adds a simple check to ensure that `find_in_interfaces` does not attempt to dereference a nil argument. It resolves #2637
puppetlabs · Nov 13, 2023 · ed4e002 · ed4e002
1 parent 44c49f6
commit ed4e002
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/lib/facter/util/resolvers/networking/primary_interface.rb b/lib/facter/util/resolvers/networking/primary_interface.rb
@@ -57,6 +57,8 @@ def read_from_ip_route
             end
 
             def find_in_interfaces(interfaces)
+              return if interfaces.nil?
+
               interfaces.each do |iface_name, interface|
                 interface[:bindings]&.each do |binding|
                   return iface_name unless Facter::Util::Resolvers::Networking.ignored_ip_address(binding[:address])