From 7980a7052c187c15463ea63dbab32934ec30065a Mon Sep 17 00:00:00 2001
From: sinn3r <wei_chen@rapid7.com>
Date: Sun, 9 Nov 2014 14:27:59 -0600
Subject: [PATCH] Fix #4132 - msfvenom undefined method fullname for NilClass

---
 msfvenom | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/msfvenom b/msfvenom
index 648e5a01aa..0531ae70a6 100755
--- a/msfvenom
+++ b/msfvenom
@@ -283,6 +283,12 @@ if __FILE__ == $0
 
   if generator_opts[:list_options]
     payload_mod = framework.payloads.create(generator_opts[:payload])
+
+    if payload_mod.nil?
+      $stderr.puts "Invalid payload: #{generator_opts[:payload]}"
+      exit
+    end
+
     $stderr.puts "Options for #{payload_mod.fullname}\n\n" + ::Msf::Serializer::ReadableText.dump_module(payload_mod,'    ')
     exit(0)
   end