Created attachment 171897 [details] KCrash report *** If you're not sure this is actually a bug, instead post about it at https://discuss.kde.org If you're reporting a crash, attach a backtrace with debug symbols; see https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports *** SUMMARY `plasma-browser-integration-host` crashes multiple times in a row, then starts running. STEPS TO REPRODUCE 1. Open Firefox (or Thunderbird, but I guess Firefox is the one) OBSERVED RESULT I get about 10 crashes icons of the integration host. I am unable to report via KDE Crash Handler. EXPECTED RESULT No crashes happen. SOFTWARE/OS VERSIONS Linux/KDE Plasma: (available in About System) KDE Plasma Version: KDE Frameworks Version: Qt Version: ADDITIONAL INFORMATION I am attaching a KCrash file of the core dump.
Searchable backtrace Thread 1 (Thread 0x7608f293ca00 (LWP 155868)): [KCrash Handler] #5 0x00007608fb3053b5 in QHashPrivate::MultiNodeChain<TaskManager::PlasmaWindow*>::contains (this=0x2003e, val=<optimized out>) at /usr/include/qt6/QtCore/qhash.h:139 #6 QMultiHash<TaskManager::PlasmaWindow*, TaskManager::PlasmaWindow*>::keyImpl (this=0x60e44757d958, value=@0x60e447595700: 0x60e4475815a0) at /usr/include/qt6/QtCore/qhash.h:1581 #7 QMultiHash<TaskManager::PlasmaWindow*, TaskManager::PlasmaWindow*>::key (this=0x60e44757d958, value=@0x60e447595700: 0x60e4475815a0) at /usr/include/qt6/QtCore/qhash.h:1592 #8 operator() (__closure=0x60e447595700) at /usr/src/debug/plasma-workspace/plasma-workspace-6.1.3/libtaskmanager/waylandtasksmodel.cpp:640 #9 QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void, TaskManager::WaylandTasksModel::Private::addWindow(TaskManager::PlasmaWindow*)::<lambda()> >::call (f=..., arg=<optimized out>) at /usr/include/qt6/QtCore/qobjectdefs_impl.h:137 #10 QtPrivate::FunctorCallable<TaskManager::WaylandTasksModel::Private::addWindow(TaskManager::PlasmaWindow*)::<lambda()> >::call<QtPrivate::List<>, void> (f=..., arg=<optimized out>) at /usr/include/qt6/QtCore/qobjectdefs_impl.h:345 #11 QtPrivate::QCallableObject<TaskManager::WaylandTasksModel::Private::addWindow(TaskManager::PlasmaWindow*)::<lambda()>, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void **, bool *) (which=<optimized out>, this_=0x60e4475956f0, r=<optimized out>, a=<optimized out>, ret=<optimized out>) at /usr/include/qt6/QtCore/qobjectdefs_impl.h:555 #12 0x00007608f99a16f7 in QtPrivate::QSlotObjectBase::call (this=0x60e4475956f0, r=0x60e447469c50, a=0x7ffe0e3e2388, this=<optimized out>, r=<optimized out>, a=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobjectdefs_impl.h:469 #13 doActivate<false> (sender=<optimized out>, signal_index=<optimized out>, argv=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobject.cpp:4086 #14 0x00007608f99a16f7 in QtPrivate::QSlotObjectBase::call (this=0x60e447406350, r=0x60e4475815a0, a=0x7ffe0e3e2510, this=<optimized out>, r=<optimized out>, a=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobjectdefs_impl.h:469 #15 doActivate<false> (sender=<optimized out>, signal_index=<optimized out>, argv=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobject.cpp:4086 #16 0x00007608f9990df6 in QObject::destroyed (this=0x60e447580a50, _t1=0x60e447580a50) at /usr/src/debug/qt6-base/build/src/corelib/kernel/moc_qobject.cpp:229 #17 QObject::~QObject (this=this@entry=0x60e447580a50, this=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobject.cpp:1074 #18 0x00007608fb3090a0 in TaskManager::PlasmaWindow::~PlasmaWindow (this=0x60e447580a50, this=<optimized out>) at /usr/src/debug/plasma-workspace/build/libtaskmanager/qwayland-plasma-window-management.cpp:215 #19 TaskManager::PlasmaWindow::~PlasmaWindow (this=0x60e447580a50, this=<optimized out>) at /usr/src/debug/plasma-workspace/plasma-workspace-6.1.3/libtaskmanager/waylandtasksmodel.cpp:51 #20 std::default_delete<TaskManager::PlasmaWindow>::operator() (this=<optimized out>, __ptr=0x60e447580a50) at /usr/include/c++/14.1.1/bits/unique_ptr.h:93 #21 std::unique_ptr<TaskManager::PlasmaWindow, std::default_delete<TaskManager::PlasmaWindow> >::~unique_ptr (this=0x60e4474649b0, this=<optimized out>) at /usr/include/c++/14.1.1/bits/unique_ptr.h:398 #22 std::destroy_at<std::unique_ptr<TaskManager::PlasmaWindow, std::default_delete<TaskManager::PlasmaWindow> > > (__location=0x60e4474649b0) at /usr/include/c++/14.1.1/bits/stl_construct.h:88 #23 std::_Destroy<std::unique_ptr<TaskManager::PlasmaWindow, std::default_delete<TaskManager::PlasmaWindow> > > (__pointer=0x60e4474649b0) at /usr/include/c++/14.1.1/bits/stl_construct.h:149 #24 std::_Destroy_aux<false>::__destroy<std::unique_ptr<TaskManager::PlasmaWindow, std::default_delete<TaskManager::PlasmaWindow> >*> (__first=0x60e4474649b0, __last=0x60e4474649e0) at /usr/include/c++/14.1.1/bits/stl_construct.h:163 #25 std::_Destroy<std::unique_ptr<TaskManager::PlasmaWindow, std::default_delete<TaskManager::PlasmaWindow> >*> (__first=<optimized out>, __last=0x60e4474649e0) at /usr/include/c++/14.1.1/bits/stl_construct.h:196 #26 std::_Destroy<std::unique_ptr<TaskManager::PlasmaWindow, std::default_delete<TaskManager::PlasmaWindow> >*, std::unique_ptr<TaskManager::PlasmaWindow, std::default_delete<TaskManager::PlasmaWindow> > > (__first=<optimized out>, __last=0x60e4474649e0) at /usr/include/c++/14.1.1/bits/alloc_traits.h:944 #27 std::vector<std::unique_ptr<TaskManager::PlasmaWindow, std::default_delete<TaskManager::PlasmaWindow> >, std::allocator<std::unique_ptr<TaskManager::PlasmaWindow, std::default_delete<TaskManager::PlasmaWindow> > > >::~vector (this=0x60e44757d938, this=<optimized out>) at /usr/include/c++/14.1.1/bits/stl_vector.h:735 #28 TaskManager::WaylandTasksModel::Private::~Private (this=0x60e44757d920, this=<optimized out>) at /usr/src/debug/plasma-workspace/plasma-workspace-6.1.3/libtaskmanager/waylandtasksmodel.cpp:410 #29 std::default_delete<TaskManager::WaylandTasksModel::Private>::operator() (this=<optimized out>, __ptr=0x60e44757d920) at /usr/include/c++/14.1.1/bits/unique_ptr.h:93 #30 std::default_delete<TaskManager::WaylandTasksModel::Private>::operator() (this=<optimized out>, __ptr=0x60e44757d920) at /usr/include/c++/14.1.1/bits/unique_ptr.h:87 #31 std::unique_ptr<TaskManager::WaylandTasksModel::Private, std::default_delete<TaskManager::WaylandTasksModel::Private> >::~unique_ptr (this=0x60e447469c68, this=<optimized out>) at /usr/include/c++/14.1.1/bits/unique_ptr.h:398 #32 TaskManager::WaylandTasksModel::~WaylandTasksModel (this=0x60e447469c50, this=<optimized out>) at /usr/src/debug/plasma-workspace/plasma-workspace-6.1.3/libtaskmanager/waylandtasksmodel.cpp:861 #33 0x00007608fb309216 in TaskManager::WaylandTasksModel::~WaylandTasksModel (this=0x60e447469c50, this=<optimized out>) at /usr/src/debug/plasma-workspace/plasma-workspace-6.1.3/libtaskmanager/waylandtasksmodel.cpp:861 #34 0x00007608fb30dfca in TaskManager::WindowTasksModel::Private::~Private (this=<optimized out>, this=<optimized out>) at /usr/src/debug/plasma-workspace/plasma-workspace-6.1.3/libtaskmanager/windowtasksmodel.cpp:49 #35 TaskManager::WindowTasksModel::Private::~Private (this=<optimized out>, this=<optimized out>) at /usr/src/debug/plasma-workspace/plasma-workspace-6.1.3/libtaskmanager/windowtasksmodel.cpp:44 #36 std::default_delete<TaskManager::WindowTasksModel::Private>::operator() (this=<optimized out>, __ptr=0x60e447400cc0) at /usr/include/c++/14.1.1/bits/unique_ptr.h:93 #37 std::default_delete<TaskManager::WindowTasksModel::Private>::operator() (this=<optimized out>, __ptr=0x60e447400cc0) at /usr/include/c++/14.1.1/bits/unique_ptr.h:87 #38 std::unique_ptr<TaskManager::WindowTasksModel::Private, std::default_delete<TaskManager::WindowTasksModel::Private> >::~unique_ptr (this=0x60e44746afb8, this=<optimized out>) at /usr/include/c++/14.1.1/bits/unique_ptr.h:398 #39 TaskManager::WindowTasksModel::~WindowTasksModel (this=0x60e44746afa0, this=<optimized out>) at /usr/src/debug/plasma-workspace/plasma-workspace-6.1.3/libtaskmanager/windowtasksmodel.cpp:78 #40 0x00007608fb30dff6 in TaskManager::WindowTasksModel::~WindowTasksModel (this=0x60e44746afa0, this=<optimized out>) at /usr/src/debug/plasma-workspace/plasma-workspace-6.1.3/libtaskmanager/windowtasksmodel.cpp:78 #41 0x00007608f998be0a in qDeleteInEventHandler (o=0x60e44746afa0) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobject.cpp:5002 #42 QObject::event (this=0x60e44746afa0, e=0x60e44740c6a0) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobject.cpp:1437 #43 0x00007608faafc51c in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x60e44746afa0, e=0x60e44740c6a0) at /usr/src/debug/qt6-base/qtbase/src/widgets/kernel/qapplication.cpp:3287 #44 0x00007608f9944d28 in QCoreApplication::notifyInternal2 (receiver=0x60e44746afa0, event=event@entry=0x60e44740c6a0) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp:1142 #45 0x00007608f99450eb in QCoreApplication::sendEvent (receiver=<optimized out>, event=0x60e44740c6a0) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp:1583 #46 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x60e447049600) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp:1940 #47 0x00007608f9ba49ec in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp:1797 #48 postEventSourceDispatch (s=0x60e44704dba0) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:244 #49 0x00007608f7c27ab9 in g_main_dispatch (context=0x7608ec000f00) at ../glib/glib/gmain.c:3344 #50 0x00007608f7c899e7 in g_main_context_dispatch_unlocked (context=0x7608ec000f00) at ../glib/glib/gmain.c:4152 #51 g_main_context_iterate_unlocked.isra.0 (context=context@entry=0x7608ec000f00, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/glib/gmain.c:4217 #52 0x00007608f7c26fc5 in g_main_context_iteration (context=0x7608ec000f00, may_block=1) at ../glib/glib/gmain.c:4282 #53 0x00007608f9ba2cbd in QEventDispatcherGlib::processEvents (this=0x60e4470628c0, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:394 #54 0x00007608f994f01e in QEventLoop::processEvents (this=0x7ffe0e3e2a90, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventloop.cpp:100 #55 QEventLoop::exec (this=0x7ffe0e3e2a90, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventloop.cpp:182 #56 0x00007608f994934d in QCoreApplication::exec () at /usr/src/debug/qt6-base/qtbase/src/corelib/global/qflags.h:74 #57 0x00007608faaf83ba in QApplication::exec () at /usr/src/debug/qt6-base/qtbase/src/widgets/kernel/qapplication.cpp:2555 #58 0x000060e41da7cf70 in main (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/plasma-browser-integration/plasma-browser-integration-6.1.3/host/main.cpp:113
Thank you for the bug report! Based on the backtrace it seems very similar to another report. I'm marking this as a duplicate of that one. You can follow the progress of this issue in the other report. *** This bug has been marked as a duplicate of bug 446119 ***