Simple Mono application has random critical exceptions during playing.

*** Error in `/usr/bin/mono': double free or corruption (fasttop): 0x00007f6fec005e30 ***
Stacktrace:

  at <unknown> <0xffffffff>
  at (wrapper managed-to-native) Gst.MiniObject.gst_mini_object_unref (intptr) <IL 0x0000f, 0xffffffff>
  at Gst.MiniObject/FinalizerInfo.Handler () [0x00007] in /home/kapa/Documents/mono/gstreamer-sharp/sources/generated/Gst/MiniObject.cs:233
  at GLib.Timeout/TimeoutProxy.Handler () <IL 0x0000f, 0x0009e>
  at (wrapper native-to-managed) GLib.Timeout/TimeoutProxy.Handler () <IL 0x00031, 0xffffffff>
  at <unknown> <0xffffffff>
  at (wrapper managed-to-native) Gtk.Application.gtk_main () <IL 0x0000e, 0xffffffff>
  at Gtk.Application.Run () <IL 0x00001, 0x00037>

This exception point to Autogenerated code in gstreamer-sharp/sources/generated/Gst/MiniObject.cs, when calling gst_mini_object_unref (intptr) <IL 0x0000f, 0xffffffff>.

class FinalizerInfo {
			IntPtr handle;

			public FinalizerInfo (IntPtr handle)
			{
				this.handle = handle;
			}

			public bool Handler ()
			{
				gst_mini_object_unref (handle);
				return false;
			}
		}