Bug 365113

Discover 5.7.0 crashes immediately when typing anything in the search box

Application: Descubrir (plasma-discover), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f7aef8a5800 (LWP 10570))]

Thread 8 (Thread 0x7f7ab77fe700 (LWP 10599)):
#0  0x00007f7aeb67a6cd in poll () from /usr/lib/libc.so.6
#1  0x00007f7ae6794fd6 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f7ae67950ec in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f7aec2a359b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f7aec24d0da in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f7aec0700f3 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f7aeee7d8a6 in ?? () from /usr/lib/libQt5Quick.so.5
#7  0x00007f7aec074d78 in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f7ae8446484 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f7aeb6836dd in clone () from /usr/lib/libc.so.6

Thread 7 (Thread 0x7f7ab7fff700 (LWP 10584)):
#0  0x00007f7ae844c458 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0
#1  0x00007f7aec075b66 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQt5Core.so.5
#2  0x00007f7aec071274 in ?? () from /usr/lib/libQt5Core.so.5
#3  0x00007f7aec074d78 in ?? () from /usr/lib/libQt5Core.so.5
#4  0x00007f7ae8446484 in start_thread () from /usr/lib/libpthread.so.0
#5  0x00007f7aeb6836dd in clone () from /usr/lib/libc.so.6

Thread 6 (Thread 0x7f7abccf3700 (LWP 10583)):
#0  0x00007f7aeb67a6cd in poll () from /usr/lib/libc.so.6
#1  0x00007f7ae6794fd6 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f7ae67950ec in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f7aec2a359b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f7aec24d0da in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f7aec0700f3 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f7aec074d78 in ?? () from /usr/lib/libQt5Core.so.5
#7  0x00007f7ae8446484 in start_thread () from /usr/lib/libpthread.so.0
#8  0x00007f7aeb6836dd in clone () from /usr/lib/libc.so.6

Thread 5 (Thread 0x7f7aca7a4700 (LWP 10574)):
#0  0x00007f7ae67d9029 in g_mutex_lock () from /usr/lib/libglib-2.0.so.0
#1  0x00007f7ae67950d8 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#2  0x00007f7aec2a359b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#3  0x00007f7aec24d0da in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f7aec0700f3 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#5  0x00007f7aec074d78 in ?? () from /usr/lib/libQt5Core.so.5
#6  0x00007f7ae8446484 in start_thread () from /usr/lib/libpthread.so.0
#7  0x00007f7aeb6836dd in clone () from /usr/lib/libc.so.6

Thread 4 (Thread 0x7f7ad2747700 (LWP 10573)):
#0  0x00007f7aeb67a6cd in poll () from /usr/lib/libc.so.6
#1  0x00007f7ae6794fd6 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f7ae67950ec in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f7aec2a359b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f7aec24d0da in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f7aec0700f3 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f7aee7e5445 in ?? () from /usr/lib/libQt5Qml.so.5
#7  0x00007f7aec074d78 in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f7ae8446484 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f7aeb6836dd in clone () from /usr/lib/libc.so.6

Thread 3 (Thread 0x7f7ad3958700 (LWP 10572)):
#0  0x00007f7aeb67a6cd in poll () from /usr/lib/libc.so.6
#1  0x00007f7ae6794fd6 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f7ae67950ec in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007f7aec2a359b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007f7aec24d0da in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007f7aec0700f3 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f7ae8ce9e75 in ?? () from /usr/lib/libQt5DBus.so.5
#7  0x00007f7aec074d78 in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007f7ae8446484 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f7aeb6836dd in clone () from /usr/lib/libc.so.6

Thread 2 (Thread 0x7f7adc1ce700 (LWP 10571)):
#0  0x00007f7aeb67a6cd in poll () from /usr/lib/libc.so.6
#1  0x00007f7ae63268e0 in ?? () from /usr/lib/libxcb.so.1
#2  0x00007f7ae6328679 in xcb_wait_for_event () from /usr/lib/libxcb.so.1
#3  0x00007f7addd03469 in ?? () from /usr/lib/libQt5XcbQpa.so.5
#4  0x00007f7aec074d78 in ?? () from /usr/lib/libQt5Core.so.5
#5  0x00007f7ae8446484 in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007f7aeb6836dd in clone () from /usr/lib/libc.so.6

Thread 1 (Thread 0x7f7aef8a5800 (LWP 10570)):
[KCrash Handler]
#5  0x00007f7abea49aba in KNS3::Entry::size() const () from /usr/lib/libKF5NewStuff.so.5
#6  0x00007f7abecefe1d in KNSResource::size (this=<optimized out>) at /build/discover/src/discover-5.7.0/libdiscover/backends/KNSBackend/KNSResource.cpp:133
#7  0x00007f7aeeb5dfc5 in AbstractResource::qt_static_metacall (_o=_o@entry=0x4878d70, _c=_c@entry=QMetaObject::ReadProperty, _id=_id@entry=17, _a=_a@entry=0x7ffffbf4f5a0) at /build/discover/src/build/libdiscover/moc_AbstractResource.cpp:288
#8  0x00007f7aeeb604bb in AbstractResource::qt_metacall (this=0x4878d70, _c=QMetaObject::ReadProperty, _id=17, _a=0x7ffffbf4f5a0) at /build/discover/src/build/libdiscover/moc_AbstractResource.cpp:341
#9  0x00007f7aec25c056 in QMetaProperty::read(QObject const*) const () from /usr/lib/libQt5Core.so.5
#10 0x00007f7aeeb43e26 in ResourcesModel::data (this=<optimized out>, index=..., role=<optimized out>) at /build/discover/src/discover-5.7.0/libdiscover/resources/ResourcesModel.cpp:214
#11 0x00007f7aec213a69 in QSortFilterProxyModel::data(QModelIndex const&, int) const () from /usr/lib/libQt5Core.so.5
#12 0x00007f7aee5b61d3 in ?? () from /usr/lib/libQt5Qml.so.5
#13 0x00007f7aee72893c in ?? () from /usr/lib/libQt5Qml.so.5
#14 0x00007f7aee7290f2 in QV4::QObjectWrapper::getProperty(QV4::ExecutionEngine*, QObject*, QQmlPropertyData*, bool) () from /usr/lib/libQt5Qml.so.5
#15 0x00007f7aee729a7c in QV4::QObjectWrapper::getQmlProperty(QQmlContextData*, QV4::String*, QV4::QObjectWrapper::RevisionMode, bool*, bool) const () from /usr/lib/libQt5Qml.so.5
#16 0x00007f7aee72db2c in QV4::QObjectWrapper::getQmlProperty(QV4::ExecutionEngine*, QQmlContextData*, QObject*, QV4::String*, QV4::QObjectWrapper::RevisionMode, bool*) () from /usr/lib/libQt5Qml.so.5
#17 0x00007f7aee7d4ab7 in QV4::QmlContextWrapper::get(QV4::Managed const*, QV4::String*, bool*) () from /usr/lib/libQt5Qml.so.5
#18 0x00007f7aee6b2d65 in QV4::ExecutionContext::getProperty(QV4::String*) () from /usr/lib/libQt5Qml.so.5
#19 0x00007f7aee7401e0 in QV4::Runtime::getActivationProperty(QV4::ExecutionEngine*, int) () from /usr/lib/libQt5Qml.so.5
#20 0x00007f7ad801fdf4 in ?? ()
#21 0x0000000000000000 in ?? ()


Reproducible: Always