The kded module has a while loop in ContactRequestHandler::onContactRequestDenied which reads while (i != list.constEnd()) { if (valid) { it++ } } The it++ should obviously be outside the if.
Git commit 3277a4ada099b17a1e6d477f52181436d0d4410b by David Edmundson. Committed on 12/12/2012 at 01:54. Pushed by davidedmundson into branch 'kde-telepathy-0.5'. Fix potential infinite loop denying a contact M +1 -1 contact-request-handler.cpp http://commits.kde.org/telepathy-kded-module/3277a4ada099b17a1e6d477f52181436d0d4410b