From c4307e1a6b5b7d63802a16a95ba7e8f593f1e251 Mon Sep 17 00:00:00 2001
From: lasconic <lasconic@gmail.com>
Date: Tue, 10 Jul 2018 17:23:16 +0200
Subject: [PATCH] fix #274157: Crash when opening score with more than 64
 channels using Zerberus

---
 zerberus/zerberus.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/zerberus/zerberus.cpp b/zerberus/zerberus.cpp
index b85d82b87341..79136e29b97f 100644
--- a/zerberus/zerberus.cpp
+++ b/zerberus/zerberus.cpp
@@ -176,6 +176,8 @@ void Zerberus::play(const Ms::PlayEvent& event)
       {
       if (busy)
             return;
+      if (event.channel() >= MAX_CHANNEL)
+            return;
       Channel* cp = _channel[int(event.channel())];
       if (cp->instrument() == 0) {
             // qDebug("Zerberus::play(): no instrument for channel %d", event.channel());