From c850e2f87adab470c0692e5781b22a0a43d3a92b Mon Sep 17 00:00:00 2001
From: Ismael Gomez <ismagom@gmail.com>
Date: Wed, 14 Mar 2018 23:08:51 +0100
Subject: [PATCH] Added check for issue #165

---
 lib/src/common/pdu.cc | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/lib/src/common/pdu.cc b/lib/src/common/pdu.cc
index 69c19518c..b3928f11b 100644
--- a/lib/src/common/pdu.cc
+++ b/lib/src/common/pdu.cc
@@ -120,8 +120,14 @@ uint8_t* sch_pdu::write_packet(srslte::log *log_h)
 {
   int init_rem_len=rem_len; 
   sch_subh padding; 
-  padding.set_padding(); 
-  
+  padding.set_padding();
+
+  if (nof_subheaders <= 0) {
+    log_h->error("Writting PDU: nof_subheaders=%d\n", nof_subheaders);
+    log_h->console("Writting PDU: nof_subheaders=%d\n", nof_subheaders);
+    return NULL;
+  }
+
   if (init_rem_len < 0) {
     log_h->error("init_rem_len=%d\n", init_rem_len);
     return NULL;