Illegal memcpy in HTTPS handling

==22258== Thread 13 Qt HTTP thread:
==22258== Source and destination overlap in memcpy(0x22099f60, 0x22099f60, 16384)
==22258==    at 0x4C2CA03: memcpy@@GLIBC_2.14 (mc_replace_strmem.c:882)
==22258==    by 0xC4F3A42: QSslSocket::readData(char*, long long) (qiodevice_p.h:103)
==22258==    by 0xC75DEE9: QIODevice::read(char*, long long) (qiodevice.cpp:833)
==22258==    by 0xC45385F: QHttpNetworkReplyPrivate::readBodyVeryFast(QAbstractSocket*, char*) (qhttpnetworkreply.cpp:621)
==22258==    by 0xC460EF8: QHttpProtocolHandler::_q_receiveReply() (qhttpprotocolhandler.cpp:164)
==22258==    by 0xC460D1D: QHttpProtocolHandler::_q_readyRead() (qhttpprotocolhandler.cpp:242)
==22258==    by 0xC45FE39: QHttpNetworkConnectionChannel::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (qhttpnetworkconnectionchannel.cpp:210)
==22258==    by 0xC861BF8: QMetaObject::activate(QObject*, int, int, void**) (qobject.cpp:3713)
==22258==    by 0xC508902: QSslSocketBackendPrivate::transmit() (qsslsocket_openssl.cpp:949)
==22258==    by 0xC4FAA28: QSslSocket::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (moc_qsslsocket.cpp:157)
==22258==    by 0xC861BF8: QMetaObject::activate(QObject*, int, int, void**) (qobject.cpp:3713)
==22258==    by 0xC4D689B: QAbstractSocketPrivate::canReadNotification() (qabstractsocket.cpp:731)