From b97360d931d504a1c1fcfa7d2a8bb577e148be35 Mon Sep 17 00:00:00 2001
From: Philippe Antoine <contact@catenacyber.fr>
Date: Fri, 31 Jan 2020 15:26:34 +0100
Subject: Fix infinite loop in ndpi_workflow_process_packet

---
 example/reader_util.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/example/reader_util.c b/example/reader_util.c
index 8a6a0d637..eb73ee632 100644
--- a/example/reader_util.c
+++ b/example/reader_util.c
@@ -1603,7 +1603,8 @@ ether_type_check:
 
     if(iph->protocol == IPPROTO_IPV6) {
       ip_offset += ip_len;
-      goto iph_check;
+      if (ip_len > 0)
+        goto iph_check;
     }
 
     if((frag_off & 0x1FFF) != 0) {
-- 
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