Bug 506962 - Consistent crash in KdeConnectKcm::devicesRemoved when removing paired devices
Summary: Consistent crash in KdeConnectKcm::devicesRemoved when removing paired devices
Status: RESOLVED DUPLICATE of bug 505587
Alias: None
Product: systemsettings
Classification: Applications
Component: kcm_kdeconnect (other bugs)
Version First Reported In: 6.4.2
Platform: unspecified Linux
: NOR crash
Target Milestone: ---
Assignee: Plasma Bugs List
URL:
Keywords: drkonqi
Depends on:
Blocks:
 
Reported: 2025-07-12 18:13 UTC by ratijas
Modified: 2025-08-04 21:58 UTC (History)
5 users (show)

See Also:
Latest Commit:
Version Fixed In:
Sentry Crash Report: https://crash-reports.kde.org/organizations/kde/issues/214406/events/108d292a19b645ccb98840511ae4ae80/


Attachments
New crash information added by DrKonqi (83.36 KB, text/plain)
2025-07-12 18:13 UTC, ratijas
Details

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Description ratijas 2025-07-12 18:13:47 UTC
Application: systemsettings (6.4.2)

ApplicationNotResponding [ANR]: false
Qt Version: 6.9.1
Frameworks Version: 6.15.0
Operating System: Linux 6.15.5-arch1-1 x86_64
Windowing System: X11
Distribution: "Arch Linux"
DrKonqi: 6.4.2 [CoredumpBackend]

-- Information about the crash:
Crashed and restarted every time as I removed three paired devices one by one.

The crash can be reproduced every time.

-- Backtrace (Reduced):
#5  0x00007f3ce975c0ed in KdeConnectKcm::devicesRemoved (this=0x55b85e45cb20) at /usr/src/debug/kdeconnect/kdeconnect-kde-25.04.3/kcm/kcm.cpp:237
#6  KdeConnectKcm::devicesRemoved (this=0x55b85e45cb20) at /usr/src/debug/kdeconnect/kdeconnect-kde-25.04.3/kcm/kcm.cpp:230
#7  0x00007f3d203d37ef in QtPrivate::QSlotObjectBase::call (this=0x55b85e6a2cf0, r=0x55b85e45cb20, a=0x7ffd9267e7c0, this=<optimized out>, r=<optimized out>, a=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobjectdefs_impl.h:461
#8  doActivate<false> (sender=<optimized out>, signal_index=<optimized out>, argv=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobject.cpp:4146
[...]
#10 QAbstractItemModel::rowsRemoved (this=0x7f3d14071930, _t1=..., _t2=<optimized out>, _t3=<optimized out>, _t4=...) at /usr/src/debug/qt6-base/build/src/corelib/Core_autogen/include/moc_qabstractitemmodel.cpp:700
#11 QAbstractItemModel::endRemoveRows (this=0x7f3d14071930) at /usr/src/debug/qt6-base/qtbase/src/corelib/itemmodels/qabstractitemmodel.cpp:2972
#12 0x00007f3d203d37ef in QtPrivate::QSlotObjectBase::call (this=0x55b85e45f400, r=0x7f3d14071930, a=0x7ffd9267e9f0, this=<optimized out>, r=<optimized out>, a=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobjectdefs_impl.h:461
#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:4146
[...]
#15 OrgKdeKdeconnectDaemonInterface::deviceRemoved (this=<optimized out>, _t1=<optimized out>) at /usr/src/debug/kdeconnect/build/interfaces/generated/moc_daemoninterface.cpp:300
#16 OrgKdeKdeconnectDaemonInterface::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=0x7ffd9267ec08) at /usr/src/debug/kdeconnect/build/interfaces/generated/moc_daemoninterface.cpp:172
#17 0x00007f3ce976ea17 in OrgKdeKdeconnectDaemonInterface::qt_metacall (this=this@entry=0x55b85e45d060, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=4, _a=_a@entry=0x7ffd9267ec08) at /usr/src/debug/kdeconnect/build/interfaces/generated/moc_daemoninterface.cpp:256
#18 0x00007f3ce976ea7e in DaemonDbusInterface::qt_metacall (this=0x55b85e45d060, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7ffd9267ec08) at /usr/src/debug/kdeconnect/build/interfaces/kdeconnectinterfaces_autogen/include/moc_dbusinterfaces.cpp:114
#19 0x00007f3d20985b09 in QDBusConnectionPrivate::deliverCall (this=0x7f3d14001690, object=0x55b85e45d060, msg=..., metaTypes=..., slotIdx=9) at /usr/src/debug/qt6-base/qtbase/src/dbus/qdbusintegrator.cpp:1007
#20 0x00007f3d203c0e34 in QObject::event (this=<optimized out>, e=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobject.cpp:1431
#21 0x00007f3d21501c70 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt6Widgets.so.6
#22 0x00007f3d20368118 in QCoreApplication::notifyInternal2 (receiver=0x55b85e45d060, event=event@entry=0x7f3d14084340) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp:1106


Reported using DrKonqi
Comment 1 ratijas 2025-07-12 18:13:48 UTC
Created attachment 183189 [details]
New crash information added by DrKonqi

DrKonqi auto-attaching complete backtrace.
Comment 2 TraceyC 2025-07-21 15:52:28 UTC
Searchable backtrace


Thread 1 (Thread 0x7f3d1ad46f40 (LWP 88336)):
[KCrash Handler]
#5  0x00007f3ce975c0ed in KdeConnectKcm::devicesRemoved (this=0x55b85e45cb20) at /usr/src/debug/kdeconnect/kdeconnect-kde-25.04.3/kcm/kcm.cpp:237
#6  KdeConnectKcm::devicesRemoved (this=0x55b85e45cb20) at /usr/src/debug/kdeconnect/kdeconnect-kde-25.04.3/kcm/kcm.cpp:230
#7  0x00007f3d203d37ef in QtPrivate::QSlotObjectBase::call (this=0x55b85e6a2cf0, r=0x55b85e45cb20, a=0x7ffd9267e7c0, this=<optimized out>, r=<optimized out>, a=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobjectdefs_impl.h:461
#8  doActivate<false> (sender=<optimized out>, signal_index=<optimized out>, argv=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobject.cpp:4146
#9  0x00007f3d205c5cec in QMetaObject::activate<void, QModelIndex, int, int, QAbstractItemModel::QPrivateSignal> (sender=0x7f3d14071930, mo=<optimized out>, local_signal_index=12, ret=0x0) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobjectdefs.h:306
#10 QAbstractItemModel::rowsRemoved (this=0x7f3d14071930, _t1=..., _t2=<optimized out>, _t3=<optimized out>, _t4=...) at /usr/src/debug/qt6-base/build/src/corelib/Core_autogen/include/moc_qabstractitemmodel.cpp:700
#11 QAbstractItemModel::endRemoveRows (this=0x7f3d14071930) at /usr/src/debug/qt6-base/qtbase/src/corelib/itemmodels/qabstractitemmodel.cpp:2972
#12 0x00007f3d203d37ef in QtPrivate::QSlotObjectBase::call (this=0x55b85e45f400, r=0x7f3d14071930, a=0x7ffd9267e9f0, this=<optimized out>, r=<optimized out>, a=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobjectdefs_impl.h:461
#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:4146
#14 0x00007f3ce976c12e in QMetaObject::activate<void, QString> (sender=<optimized out>, mo=<optimized out>, local_signal_index=4, ret=0x0, sender=<optimized out>, mo=<optimized out>, local_signal_index=<optimized out>, ret=<optimized out>) at /usr/include/qt6/QtCore/qobjectdefs.h:306
#15 OrgKdeKdeconnectDaemonInterface::deviceRemoved (this=<optimized out>, _t1=<optimized out>) at /usr/src/debug/kdeconnect/build/interfaces/generated/moc_daemoninterface.cpp:300
#16 OrgKdeKdeconnectDaemonInterface::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=0x7ffd9267ec08) at /usr/src/debug/kdeconnect/build/interfaces/generated/moc_daemoninterface.cpp:172
#17 0x00007f3ce976ea17 in OrgKdeKdeconnectDaemonInterface::qt_metacall (this=this@entry=0x55b85e45d060, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=4, _a=_a@entry=0x7ffd9267ec08) at /usr/src/debug/kdeconnect/build/interfaces/generated/moc_daemoninterface.cpp:256
#18 0x00007f3ce976ea7e in DaemonDbusInterface::qt_metacall (this=0x55b85e45d060, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7ffd9267ec08) at /usr/src/debug/kdeconnect/build/interfaces/kdeconnectinterfaces_autogen/include/moc_dbusinterfaces.cpp:114
#19 0x00007f3d20985b09 in QDBusConnectionPrivate::deliverCall (this=0x7f3d14001690, object=0x55b85e45d060, msg=..., metaTypes=..., slotIdx=9) at /usr/src/debug/qt6-base/qtbase/src/dbus/qdbusintegrator.cpp:1007
#20 0x00007f3d203c0e34 in QObject::event (this=<optimized out>, e=<optimized out>) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobject.cpp:1431
#21 0x00007f3d21501c70 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt6Widgets.so.6
#22 0x00007f3d20368118 in QCoreApplication::notifyInternal2 (receiver=0x55b85e45d060, event=event@entry=0x7f3d14084340) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp:1106
#23 0x00007f3d203684fb in QCoreApplication::sendEvent (receiver=<optimized out>, event=0x7f3d14084340) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp:1546
#24 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x55b85d2c4810) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp:1879
#25 0x00007f3d2063fcf8 in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp:1733
#26 postEventSourceDispatch (s=0x55b85d31c430) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:246
#27 0x00007f3d1f6ce87d in g_main_dispatch (context=0x7f3d14000f00) at ../glib/glib/gmain.c:3398
#28 0x00007f3d1f6cfcd7 in g_main_context_dispatch_unlocked (context=0x7f3d14000f00) at ../glib/glib/gmain.c:4249
#29 g_main_context_iterate_unlocked (context=context@entry=0x7f3d14000f00, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/glib/gmain.c:4314
#30 0x00007f3d1f6cfee5 in g_main_context_iteration (context=0x7f3d14000f00, may_block=1) at ../glib/glib/gmain.c:4379
#31 0x00007f3d2063c5e2 in QEventDispatcherGlib::processEvents (this=0x55b85d317740, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:399
#32 0x00007f3d203744b6 in QEventLoop::processEvents (this=0x7ffd9267f270, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventloop.cpp:104
#33 QEventLoop::exec (this=0x7ffd9267f270, flags=...) at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventloop.cpp:186
#34 0x00007f3d2036c7c1 in QCoreApplication::exec () at /usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp:1449
#35 0x000055b848f96470 in main (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/systemsettings/systemsettings-6.4.2/app/main.cpp:175
Warning: the current language does not match this frame.
Comment 3 TraceyC 2025-08-04 21:53:26 UTC
*** Bug 507816 has been marked as a duplicate of this bug. ***
Comment 4 TraceyC 2025-08-04 21:58:51 UTC
This is the same backtrace as bug 505587

*** This bug has been marked as a duplicate of bug 505587 ***