From c4ae09363069f70e3331bb13cbf56ab3ce00dcef Mon Sep 17 00:00:00 2001
From: dmiller <dmiller@e0a8ed71-7df4-0310-8962-fdc924857419>
Date: Thu, 17 Sep 2020 21:41:18 +0000
Subject: [PATCH] Fix a meaningless error message when parsing IPv6 extension
 headers.

---
 nselib/packet.lua | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/nselib/packet.lua b/nselib/packet.lua
index 24a36e717..ac59e4e7b 100644
--- a/nselib/packet.lua
+++ b/nselib/packet.lua
@@ -246,7 +246,7 @@ function Packet:new(packet, packet_len, force_continue)
 
   if o.ip_v == 6 then
     while o:ipv6_is_extension_header() do
-      if not o:ipv6_ext_header_parse(force_continue) or o.ip6_data_offset >= o.packet_len then
+      if o.ip6_data_offset >= o.packet_len or not o:ipv6_ext_header_parse(force_continue) then
         stdnse.debug1("Error while parsing IPv6 extension headers.")
         return o
       end
@@ -626,6 +626,7 @@ function Packet:ipv6_ext_header_parse(force_continue)
   ext_hdr_len = ext_hdr_len*8 + 8
   self.ip6_data_offset = self.ip6_data_offset + ext_hdr_len
   self.ip6_nhdr = self:u8(self.ip6_data_offset)
+  return true
 end
 --- Set the payload length field.
 -- @param plen Payload length.