From d98036990ea2ba98a6cc1e685953a6d3a37da6b3 Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <andrew@tridgell.net>
Date: Fri, 9 Feb 2024 08:00:17 +1100
Subject: [PATCH] AP_Scripting: prevent re-use of closed socket

this prevents a null pointer dereference after a close of a network
socket
---
 libraries/AP_Scripting/lua_bindings.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libraries/AP_Scripting/lua_bindings.cpp b/libraries/AP_Scripting/lua_bindings.cpp
index ffa3e349fe..f4cf9bb307 100644
--- a/libraries/AP_Scripting/lua_bindings.cpp
+++ b/libraries/AP_Scripting/lua_bindings.cpp
@@ -826,6 +826,7 @@ int SocketAPM_close(lua_State *L) {
             ud->close();
             delete ud;
             scripting->_net_sockets[i] = nullptr;
+            *check_SocketAPM(L, 1) = nullptr;
             break;
         }
     }