valgrind --track-origins=yes src/qbittorrent

==14880== Use of uninitialised value of size 8
==14880==    at 0x7C56F1: libtorrent::dht::dht_tracker::incoming_packet(boost::system::error_code const&, boost::asio::ip::basic_endpoint<boost::asio::ip::udp> const&, char const*, int) (dht_tracker.cpp:524)
==14880==    by 0x79B001: libtorrent::udp_socket::call_handler(boost::system::error_code const&, boost::asio::ip::basic_endpoint<boost::asio::ip::udp> const&, char const*, int) (udp_socket.cpp:321)
==14880==    by 0x79B7E1: libtorrent::udp_socket::on_read_impl(boost::asio::basic_datagram_socket<boost::asio::ip::udp, boost::asio::datagram_socket_service<boost::asio::ip::udp> >*, boost::asio::ip::basic_endpoint<boost::asio::ip::udp> const&, boost::system::error_code const&, unsigned long) (udp_socket.cpp:473)
==14880==    by 0x79C0BD: libtorrent::udp_socket::on_read(boost::system::error_code const&, boost::asio::basic_datagram_socket<boost::asio::ip::udp, boost::asio::datagram_socket_service<boost::asio::ip::udp> >*) (udp_socket.cpp:307)
==14880==    by 0x7A0039: boost::asio::detail::reactive_null_buffers_op<boost::_bi::bind_t<void, boost::_mfi::mf2<void, libtorrent::udp_socket, boost::system::error_code const&, boost::asio::basic_datagram_socket<boost::asio::ip::udp, boost::asio::datagram_socket_service<boost::asio::ip::udp> >*>, boost::_bi::list3<boost::_bi::value<libtorrent::udp_socket*>, boost::arg<1>, boost::_bi::value<boost::asio::basic_datagram_socket<boost::asio::ip::udp, boost::asio::datagram_socket_service<boost::asio::ip::udp> >*> > > >::do_complete(boost::asio::detail::task_io_service*, boost::asio::detail::task_io_service_operation*, boost::system::error_code const&, unsigned long) (mem_fn_template.hpp:280)
==14880==    by 0x69795B: boost::asio::detail::task_io_service::do_run_one(boost::asio::detail::scoped_lock<boost::asio::detail::posix_mutex>&, boost::asio::detail::task_io_service_thread_info&, boost::system::error_code const&) (task_io_service_operation.hpp:37)
==14880==    by 0x69B720: boost::asio::detail::task_io_service::run(boost::system::error_code&) (task_io_service.ipp:153)
==14880==    by 0x6F8903: libtorrent::aux::session_impl::main_thread() (session_impl.cpp:4882)
==14880==    by 0x69037E: boost_asio_detail_posix_thread_function (posix_thread.ipp:64)
==14880==    by 0x5894181: start_thread (pthread_create.c:312)
==14880==    by 0x7D6530C: clone (clone.S:111)
==14880==  Uninitialised value was created by a heap allocation
==14880==    at 0x4C2B0E0: operator new(unsigned long) (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==14880==    by 0x6E7D4A: libtorrent::aux::session_impl::start_dht(libtorrent::entry const&) (session_impl.cpp:5767)
==14880==    by 0x6D9506: boost::asio::detail::completion_handler<boost::_bi::bind_t<void, boost::_mfi::mf0<void, libtorrent::aux::session_impl>, boost::_bi::list1<boost::_bi::value<libtorrent::aux::session_impl*> > > >::do_complete(boost::asio::detail::task_io_service*, boost::asio::detail::task_io_service_operation*, boost::system::error_code const&, unsigned long) (mem_fn_template.hpp:49)
==14880==    by 0x69795B: boost::asio::detail::task_io_service::do_run_one(boost::asio::detail::scoped_lock<boost::asio::detail::posix_mutex>&, boost::asio::detail::task_io_service_thread_info&, boost::system::error_code const&) (task_io_service_operation.hpp:37)
==14880==    by 0x69B720: boost::asio::detail::task_io_service::run(boost::system::error_code&) (task_io_service.ipp:153)
==14880==    by 0x6F8903: libtorrent::aux::session_impl::main_thread() (session_impl.cpp:4882)
==14880==    by 0x69037E: boost_asio_detail_posix_thread_function (posix_thread.ipp:64)
==14880==    by 0x5894181: start_thread (pthread_create.c:312)
==14880==    by 0x7D6530C: clone (clone.S:111)