From 171a5677d1e82e624909e44123fc521a8d0038a8 Mon Sep 17 00:00:00 2001
From: Alexander Bushnev <Alexander@Bushnev.pro>
Date: Wed, 25 Sep 2024 20:02:55 +0200
Subject: [PATCH] Fix potential segfault during multicast cleanup

---
 src/system/unix/network.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/system/unix/network.c b/src/system/unix/network.c
index 4e1b21036..03b00ea1d 100644
--- a/src/system/unix/network.c
+++ b/src/system/unix/network.c
@@ -501,7 +501,9 @@ void _z_close_udp_multicast(_z_sys_net_socket_t *sockrecv, _z_sys_net_socket_t *
         // Required to be compliant with MISRA 15.7 rule
     }
 #if defined(ZENOH_LINUX)
-    z_free(lep._iptcp->ai_addr);
+    if (lep._iptcp != NULL) {
+        z_free(lep._iptcp->ai_addr);
+    }
 #else
     _ZP_UNUSED(lep);
 #endif