From 0b19a125bbcf2fe322c56c1c4e2af3a8d9c6f351 Mon Sep 17 00:00:00 2001
From: =?utf8?q?J=C3=A9r=C3=A9mie=20Astor?= <astor.jeremie@wanadoo.fr>
Date: Sun, 15 Dec 2019 12:50:53 +0100
Subject: [PATCH] :art: Check for NULL in UsrUgenTick

---
 src/lib/modules.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/lib/modules.c b/src/lib/modules.c
index 5c75eaa1..ff897dfa 100644
--- a/src/lib/modules.c
+++ b/src/lib/modules.c
@@ -248,6 +248,8 @@ static INSTR(UsrUGenTick) {
   const m_uint offset = !instr->m_val ? SZ_INT : 0;
   shred->reg -= SZ_INT*2 - offset;
   const M_Object o = *(M_Object*)(shred->reg + SZ_INT - offset);
+  if(!o)
+    Except(shred, "[NullPtrException]");
   struct UUGen_ *uu = UGEN(o)->module.gen.data;
   if(uu->shred)
     free_vm_shred(uu->shred);
-- 
2.43.0