Is it mapkit leak is apple issue?-Collection of common programming errors

I’m testing my app and sometimes I got a leak when use a mapkit.

But I already release all of instances of mapkit, location manager, delegates and everything related with this components.

But I still getting the leak.

Verifying instruments I got this:

And in cycles & roots there is:

I don’t know why.

My app not get any other leak, not crash and reach the 35 Mbytes memory maximum (without the map). And in analyze not show me any issue.

I’m using ARC in ios6, is it a problem to approve my app?

Thanks for answers