From 2dea55e9c8bf35fc3fd27304368d05db29ffec9e Mon Sep 17 00:00:00 2001
From: Peter van Dijk <peter.van.dijk@netherlabs.nl>
Date: Tue, 21 Apr 2015 11:58:27 +0200
Subject: [PATCH] allow referencing of compressed label directly before another
 compressed label, thanks @giganteous

---
 pdns/dnsparser.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pdns/dnsparser.cc b/pdns/dnsparser.cc
index f3d4106d9..86f2efde2 100644
--- a/pdns/dnsparser.cc
+++ b/pdns/dnsparser.cc
@@ -471,7 +471,7 @@ void PacketReader::getLabelFromContent(const vector<uint8_t>& content, uint16_t&
       uint16_t offset=256*(labellen & ~0xc0) + (unsigned int)content.at(frompos++) - sizeof(dnsheader);
       //        cout<<"This is an offset, need to go to: "<<offset<<endl;
 
-      if(offset >= pos-2)
+      if(offset >= pos)
         throw MOADNSException("forward reference during label decompression");
       return getLabelFromContent(content, offset, ret, ++recurs);
     }
-- 
2.40.0