Bug 344488

Application: polkit-kde-authentication-agent-1 (5.2.0)

Qt Version: 5.4.0
Operating System: Linux 3.19.0-2-desktop x86_64
Distribution: "openSUSE 20150220 (Tumbleweed) (x86_64)"

-- Information about the crash:
What I was doing when  the application crashed: I logged in to KDE.

The crash can be reproduced sometimes.

-- Backtrace:
Application: PolicyKit1 KDE Agent (polkit-kde-authentication-agent-1), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fd18d82e880 (LWP 2281))]

Thread 11 (Thread 0x7fd17b9c7700 (LWP 2285)):
#0  0x00007fd18a0c444d in poll () at /lib64/libc.so.6
#1  0x00007fd187b93322 in  () at /usr/lib64/libxcb.so.1
#2  0x00007fd187b94def in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007fd17df83cd9 in  () at /usr/lib64/qt5/plugins/platforms/libqxcb.so
#4  0x00007fd18a73791f in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007fd186d783a4 in start_thread () at /lib64/libpthread.so.0
#6  0x00007fd18a0cc9ed in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7fd1738cf700 (LWP 2287)):
#0  0x00007fd18a0c444d in poll () at /lib64/libc.so.6
#1  0x00007fd18858bbe4 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fd18858bf0a in g_main_loop_run () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fd1882a4576 in  () at /usr/lib64/libgio-2.0.so.0
#4  0x00007fd1885b0b85 in  () at /usr/lib64/libglib-2.0.so.0
#5  0x00007fd186d783a4 in start_thread () at /lib64/libpthread.so.0
#6  0x00007fd18a0cc9ed in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7fd163b5f700 (LWP 2418)):
#0  0x00007fd186d7c85f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fd16950f593 in  () at /usr/lib64/dri/swrast_dri.so
#2  0x00007fd16950ed47 in  () at /usr/lib64/dri/swrast_dri.so
#3  0x00007fd186d783a4 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fd18a0cc9ed in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7fd16335e700 (LWP 2419)):
#0  0x00007fd186d7c85f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fd16950f593 in  () at /usr/lib64/dri/swrast_dri.so
#2  0x00007fd16950ed47 in  () at /usr/lib64/dri/swrast_dri.so
#3  0x00007fd186d783a4 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fd18a0cc9ed in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7fd162b5d700 (LWP 2420)):
#0  0x00007fd186d7c85f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fd16950f593 in  () at /usr/lib64/dri/swrast_dri.so
#2  0x00007fd16950ed47 in  () at /usr/lib64/dri/swrast_dri.so
#3  0x00007fd186d783a4 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fd18a0cc9ed in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7fd16235c700 (LWP 2421)):
#0  0x00007fd186d7c85f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fd16950f593 in  () at /usr/lib64/dri/swrast_dri.so
#2  0x00007fd16950ed47 in  () at /usr/lib64/dri/swrast_dri.so
#3  0x00007fd186d783a4 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fd18a0cc9ed in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7fd161b5b700 (LWP 2422)):
#0  0x00007fd186d7c85f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fd16950f593 in  () at /usr/lib64/dri/swrast_dri.so
#2  0x00007fd16950ed47 in  () at /usr/lib64/dri/swrast_dri.so
#3  0x00007fd186d783a4 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fd18a0cc9ed in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7fd16135a700 (LWP 2423)):
#0  0x00007fd186d7c85f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fd16950f593 in  () at /usr/lib64/dri/swrast_dri.so
#2  0x00007fd16950ed47 in  () at /usr/lib64/dri/swrast_dri.so
#3  0x00007fd186d783a4 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fd18a0cc9ed in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7fd160b59700 (LWP 2424)):
#0  0x00007fd186d7c85f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fd16950f593 in  () at /usr/lib64/dri/swrast_dri.so
#2  0x00007fd16950ed47 in  () at /usr/lib64/dri/swrast_dri.so
#3  0x00007fd186d783a4 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fd18a0cc9ed in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fd160358700 (LWP 2425)):
#0  0x00007fd186d7c85f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fd16950f593 in  () at /usr/lib64/dri/swrast_dri.so
#2  0x00007fd16950ed47 in  () at /usr/lib64/dri/swrast_dri.so
#3  0x00007fd186d783a4 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fd18a0cc9ed in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fd18d82e880 (LWP 2281)):
[KCrash Handler]
#5  0x00007fd1596cba5c in  () at /usr/lib64/libQtGui.so.4
#6  0x00007fd18d69eaaa in call_init.part () at /lib64/ld-linux-x86-64.so.2
#7  0x00007fd18d69eb93 in _dl_init_internal () at /lib64/ld-linux-x86-64.so.2
#8  0x00007fd18d6a2d58 in dl_open_worker () at /lib64/ld-linux-x86-64.so.2
#9  0x00007fd18d69e964 in _dl_catch_error () at /lib64/ld-linux-x86-64.so.2
#10 0x00007fd18d6a254b in _dl_open () at /lib64/ld-linux-x86-64.so.2
#11 0x00007fd18558102b in dlopen_doit () at /lib64/libdl.so.2
#12 0x00007fd18d69e964 in _dl_catch_error () at /lib64/ld-linux-x86-64.so.2
#13 0x00007fd1855815dd in _dlerror_run () at /lib64/libdl.so.2
#14 0x00007fd1855810c1 in dlopen@@GLIBC_2.2.5 () at /lib64/libdl.so.2
#15 0x00007fd15f26c59f in  () at /usr/lib64/libvlccore.so.7
#16 0x00007fd15f255d5d in  () at /usr/lib64/libvlccore.so.7
#17 0x00007fd15f256057 in  () at /usr/lib64/libvlccore.so.7
#18 0x00007fd15f2562c9 in  () at /usr/lib64/libvlccore.so.7
#19 0x00007fd15f256534 in  () at /usr/lib64/libvlccore.so.7
#20 0x00007fd15f256a87 in  () at /usr/lib64/libvlccore.so.7
#21 0x00007fd15f1ee49d in libvlc_InternalInit () at /usr/lib64/libvlccore.so.7
#22 0x00007fd15efbfcb3 in libvlc_new () at /usr/lib64/libvlc.so.5
#23 0x00007fd15f4f5c12 in  () at /usr/lib64/qt5/plugins/phonon4qt5_backend/phonon_vlc.so
#24 0x00007fd15f4d6fa5 in  () at /usr/lib64/qt5/plugins/phonon4qt5_backend/phonon_vlc.so
#25 0x00007fd15f4f895d in qt_plugin_instance () at /usr/lib64/qt5/plugins/phonon4qt5_backend/phonon_vlc.so
#26 0x00007fd18a8faf41 in QPluginLoader::instance() () at /usr/lib64/libQt5Core.so.5
#27 0x00007fd1893a4fa0 in  () at /usr/lib64/libphonon4qt5.so.4
#28 0x00007fd1893a6a6e in  () at /usr/lib64/libphonon4qt5.so.4
#29 0x00007fd1893a72f1 in  () at /usr/lib64/libphonon4qt5.so.4
#30 0x00007fd1893a7b1d in Phonon::Factory::backend(bool) () at /usr/lib64/libphonon4qt5.so.4
#31 0x00007fd1893a8003 in  () at /usr/lib64/libphonon4qt5.so.4
#32 0x00007fd18939de09 in  () at /usr/lib64/libphonon4qt5.so.4
#33 0x00007fd18939b67c in  () at /usr/lib64/libphonon4qt5.so.4
#34 0x00007fd18d050e91 in  () at /usr/lib64/libKF5Notifications.so.5
#35 0x00007fd18d037742 in  () at /usr/lib64/libKF5Notifications.so.5
#36 0x00007fd18d038281 in  () at /usr/lib64/libKF5Notifications.so.5
#37 0x00007fd18d03564d in KNotification::sendEvent() () at /usr/lib64/libKF5Notifications.so.5
#38 0x0000000000412476 in AuthDialog::showEvent(QShowEvent*) ()
#39 0x00007fd18bab8db2 in QWidget::event(QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#40 0x00007fd18ba791dc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#41 0x00007fd18ba7e1f0 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#42 0x00007fd18a911dc5 in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#43 0x00007fd18bab5f8e in QWidgetPrivate::show_helper() () at /usr/lib64/libQt5Widgets.so.5
#44 0x00007fd18bab7f5a in QWidget::setVisible(bool) () at /usr/lib64/libQt5Widgets.so.5
#45 0x00007fd18bc62988 in QDialog::setVisible(bool) () at /usr/lib64/libQt5Widgets.so.5
#46 0x000000000040e394 in PolicyKitListener::initiateAuthentication(QString const&, QString const&, QString const&, PolkitQt1::Details const&, QString const&, QList<PolkitQt1::Identity> const&, PolkitQt1::Agent::AsyncResult*) ()
#47 0x00007fd18ce16f0d in PolkitQt1::Agent::ListenerAdapter::polkit_qt_listener_initiate_authentication(_PolkitAgentListener*, char const*, char const*, char const*, _PolkitDetails*, char const*, _GList*, _GCancellable*, _GSimpleAsyncResult*) () at /usr/lib64/libpolkit-qt5-agent-1.so.1
#48 0x00007fd18ce17d3b in  () at /usr/lib64/libpolkit-qt5-agent-1.so.1
#49 0x00007fd188aae02e in  () at /usr/lib64/libpolkit-agent-1.so.0
#50 0x00007fd188295421 in  () at /usr/lib64/libgio-2.0.so.0
#51 0x00007fd18858b8e5 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#52 0x00007fd18858bc48 in  () at /usr/lib64/libglib-2.0.so.0
#53 0x00007fd18858bcec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#54 0x00007fd18a9690fc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#55 0x00007fd18a90fd1b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#56 0x00007fd18a9173a6 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#57 0x000000000040c748 in main ()

Reported using DrKonqi