From 272b72361acc70dbc047a90a98dbf7d2e9bfd323 Mon Sep 17 00:00:00 2001
From: Zughy <63455151+Zughy@users.noreply.github.com>
Date: Sun, 11 Oct 2020 13:36:13 +0200
Subject: [PATCH] Add missing type check to InvRef:set_lists() (#10476)

---
 src/script/lua_api/l_inventory.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/script/lua_api/l_inventory.cpp b/src/script/lua_api/l_inventory.cpp
index e41b5cb41..434d0a76c 100644
--- a/src/script/lua_api/l_inventory.cpp
+++ b/src/script/lua_api/l_inventory.cpp
@@ -280,6 +280,7 @@ int InvRef::l_set_lists(lua_State *L)
 	Server *server = getServer(L);
 
 	lua_pushnil(L);
+	luaL_checktype(L, 2, LUA_TTABLE);
 	while (lua_next(L, 2)) {
 		const char *listname = lua_tostring(L, -2);
 		read_inventory_list(L, -1, tempInv, listname, server);