From 7af5e9f59e1aedb9025a5d42e1303c5408566bd5 Mon Sep 17 00:00:00 2001
From: francescomani <email@francescomani.it>
Date: Fri, 14 Mar 2025 10:14:01 +0100
Subject: [PATCH] prevent possible segfault in is_ss_monitor_occasion function

---
 openair2/LAYER2/NR_MAC_UE/nr_ue_dci_configuration.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/openair2/LAYER2/NR_MAC_UE/nr_ue_dci_configuration.c b/openair2/LAYER2/NR_MAC_UE/nr_ue_dci_configuration.c
index 3817e06759..9ebf2dbeb4 100644
--- a/openair2/LAYER2/NR_MAC_UE/nr_ue_dci_configuration.c
+++ b/openair2/LAYER2/NR_MAC_UE/nr_ue_dci_configuration.c
@@ -415,6 +415,8 @@ void get_monitoring_period_offset(const NR_SearchSpace_t *ss, int *period, int *
 
 bool is_ss_monitor_occasion(const int frame, const int slot, const int slots_per_frame, const NR_SearchSpace_t *ss)
 {
+  if (!ss)
+    return false;
   const int duration = ss->duration ? *ss->duration : 1;
   bool monitor = false;
   int period, offset;