#0  value (akey=<synthetic pointer>, this=0x9622c60) at ../../include/QtCore/../../src/corelib/tools/qhash.h:609
        node = <optimized out>
#1  QNetworkReply::header (this=0x0, header=QNetworkRequest::LocationHeader) at access/qnetworkreply.cpp:502
No locals.
#2  0x08098412 in ?? ()
No symbol table info available.
#3  0x080a2a00 in ?? ()
No symbol table info available.
#4  0xb68c241d in metacall (argv=0xbfbb2c50, idx=17, cl=QMetaObject::InvokeMetaMethod, object=0x9664fb0) at kernel/qmetaobject.cpp:245
No locals.
#5  QMetaObject::metacall (object=0x9664fb0, cl=QMetaObject::InvokeMetaMethod, idx=17, argv=0xbfbb2c50) at kernel/qmetaobject.cpp:240
No locals.
#6  0xb68d213d in QMetaObject::activate (sender=0x96c9400, m=0xb6b662e4, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3566
        method = 21
        receiverInSameThread = true
        previousSender = 0x0
        callFunction = 0x4
        receiver = 0x9664fb0
        currentSender = {sender = 0x96c9400, signal = 8, ref = 1}
        method_relative = 17
        c = 0x96615f0
        last = 0x96615f0
        methodOffset = 8
        signal_absolute_index = 8
        empty_argv = {0x0}
        locker = {val = 157428688}
        connectionLists = 0x96603f8
        list = 0x96cc638
        signalOffset = 6
        signal_index = <optimized out>
        currentThreadId = 3048531776
#7  0xb6b17355 in QNetworkReply::metaDataChanged (this=0x96c9400) at .moc/release-shared/moc_qnetworkreply.cpp:160
No locals.
#8  0xb6a949f2 in QNetworkReplyImplPrivate::metaDataChanged (this=0x9665130) at access/qnetworkreplyimpl.cpp:832
No locals.
#9  0xb6a756de in QNetworkAccessBackend::metaDataChanged (this=0x9658920) at access/qnetworkaccessbackend.cpp:335
No locals.
#10 0xb6a7fbe3 in QNetworkAccessHttpBackend::replyDownloadMetaData (this=0x9658920, hm=Cannot access memory at address 0x0
) at access/qnetworkaccesshttpbackend.cpp:842
        headerMap = {{p = {static shared_null = {ref = {_q_value = 1}, alloc = 0, begin = 0, end = 0, sharable = 1, array = {0x0}}, d = 0xab515ae0}, d = 0xab515ae0}}
        header = {static shared_null = {ref = {_q_value = 1}, alloc = 0, size = 0, data = 0x80c44d0 "", array = ""}, static shared_empty = {ref = {_q_value = 77}, alloc = 0, size = 0, data = 0xb6a1a3c4 "", array = ""}, d = 0x80c44c0}
#11 0xb6b16bfd in QNetworkAccessHttpBackend::qt_static_metacall (_o=0x9658920, _c=QMetaObject::InvokeMetaMethod, _id=6, _a=0xab511488) at .moc/release-shared/moc_qnetworkaccesshttpbackend_p.cpp:91
        _t = 0x9658920
#12 0xb68cd381 in QMetaCallEvent::placeMetaCall (this=0xab50c720, object=0x9658920) at kernel/qobject.cpp:525
No locals.
#13 0xb68d63fb in QObject::event (this=0x9658920, e=0xab50c720) at kernel/qobject.cpp:1195
        mce = 0xab50c720
        currentSender = {sender = 0x96c6db0, signal = 8, ref = 1}
        previousSender = 0x0
#14 0xb6ca2d24 in notify_helper (e=0xab50c720, receiver=0x9658920, this=0x8d1ce30) at kernel/qapplication.cpp:4555
        consumed = <optimized out>
#15 QApplicationPrivate::notify_helper (this=0x8d1ce30, receiver=0x9658920, e=0xab50c720) at kernel/qapplication.cpp:4527
No locals.
#16 0xb6ca815d in QApplication::notify (this=0xab50c720, receiver=0x9658920, e=0xab50c720) at kernel/qapplication.cpp:4284
        w = 0xab50c720
        extra = 0x0
        res = true
#17 0xb68bb0fe in QCoreApplication::notifyInternal (this=0xbfbb36ac, receiver=0x9658920, event=0xab50c720) at kernel/qcoreapplication.cpp:876
        threadData = 0x8d1cf40
        returnValue = <optimized out>
        result = false
        cbdata = {0x9658920, 0xab50c720, 0xbfbb324f}
        d = <optimized out>
#18 0xb68bf258 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
No locals.
#19 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x8d1cf40) at kernel/qcoreapplication.cpp:1500
        r = 0x9658920
        locker = {val = 147967852}
        startOffset = 0
#20 0xb68bf58c in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1393
        data = <optimized out>
#21 0xb68edc14 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
No locals.
#22 postEventSourceDispatch (s=0x8d1f700) at kernel/qeventdispatcher_glib.cpp:279
        source = 0x8d1f700
#23 0xb6270d7a in g_main_dispatch (context=0x8d1ea80) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:2466
        source = 0x8d1f700
        current = 0x946a7b8
        i = <optimized out>
#24 g_main_context_dispatch (context=0x8d1ea80) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3052
No locals.
#25 0xb6271185 in g_main_context_iteration (context=0xffffffff, may_block=-1238692794) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3177
        retval = <optimized out>
#26 0xb672dc39 in __pthread_mutex_unlock_usercnt (mutex=0x0, decr=-1078252464) at pthread_mutex_unlock.c:36
        type = <optimized out>
        __PRETTY_FUNCTION__ = "__pthread_mutex_unlock_usercnt"
#27 0x000007cf in ?? ()
No symbol table info available.
#28 0x08d1e9d0 in ?? ()
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)