commit e4a243c02b74a88a36b0ac7c0b4eb4ee7d6d9fed
author Pascal Quantin <pascal.quantin@gmail.com> Tue Jan 28 18:08:15 2020 +0100
committer Pau Espin Pedrol <pespin@sysmocom.de> Tue Jan 28 18:08:29 2020 +0100
tree 9f99ffe1e41d2b762551819b47e9850d6d02b1aa
parent 463746917f8ee2a230c09940335f592720c0e1e3

gsm_rlcmac.cpp: fix an out of bounds access

Port from wireshark.git a4a5adb68b898f770e2addf9168d796979ebe237.

Ported-by: Pau Espin Pedrol <pespin@sysmocom.de>
Change-Id: I23fb2199fc8f9cc3e5bd475e2558ee8d482df1e1

src/gsm_rlcmac.cpp

diff --git a/src/gsm_rlcmac.cpp b/src/gsm_rlcmac.cpp
index 7006900..39f328d 100644
--- a/src/gsm_rlcmac.cpp
+++ b/src/gsm_rlcmac.cpp
@@ -3480,7 +3480,7 @@
 
 static const
 CSN_DESCR_BEGIN (PMR_AdditionsR5_t)
-  M_NEXT_EXIST  (PMR_AdditionsR5_t, Exist_GRNTI, 4),
+  M_NEXT_EXIST  (PMR_AdditionsR5_t, Exist_GRNTI, 3),
   M_UINT        (PMR_AdditionsR5_t,  GRNTI,  4),
   M_NEXT_EXIST_OR_NULL (PMR_AdditionsR5_t, Exist_AdditionsR8, 1),
   M_TYPE        (PMR_AdditionsR5_t, AdditionsR8, PMR_AdditionsR8_t),