The DOMRequests used to provide callbacks for the nsIDOMMobleConnection.getCardLock/setCardLock/unlockCardLock are not currently cleaning up the allocated DOM requests when status is sent back in ril_worker.js.
The two examples I found were in dom/system/gonk/RILContentHelper.js (lines 317/325ish), where the use of this.getRequest(requestId) could be simply changed to this.takeRequest(requestId)
Created attachment 626310 [details] [diff] [review]
Comment on attachment 626310 [details] [diff] [review]
Thanks for Marshall to point this out.