https://bugs.kde.org/show_bug.cgi?id=512158

TraceyC <[email protected]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           See Also|                            |https://bugs.kde.org/show_b
                   |                            |ug.cgi?id=449238
     Ever confirmed|0                           |1
             Status|REPORTED                    |CONFIRMED
                 CC|                            |[email protected]

--- Comment #2 from TraceyC <[email protected]> ---
I'm able to reproduce this in Dolphin built from git-master 26.03.70
Looks like a possible regression of bug 449238

Complete backtrace:
#0  0x00007f5b690a977b in pthread_kill () at
/usr/lib/glibc-hwcaps/x86-64-v3/libc.so.6
#1  0x00007f5b69047646 in raise () at /usr/lib/glibc-hwcaps/x86-64-v3/libc.so.6
#2  0x00007f5b6c8a16c5 in KCrash::defaultCrashHandler (sig=11) at
/home/tracey/kde/src/kcrash/src/kcrash.cpp:605
#3  0x00007f5b69047780 in <signal handler called> () at
/usr/lib/glibc-hwcaps/x86-64-v3/libc.so.6
#4  std::__atomic_base<int>::fetch_add (this=<optimized out>, __i=1,
__m=std::memory_order::acq_rel)
    at /usr/include/c++/15/bits/atomic_base.h:629
#5  QAtomicOps<int>::ref<int> (_q_value=<optimized out>) at
/usr/include/qt6/QtCore/qatomic_cxx11.h:260
#6  QBasicAtomicInteger<int>::ref (this=<optimized out>) at
/usr/include/qt6/QtCore/qbasicatomic.h:48
#7  QArrayData::ref (this=<optimized out>) at
/usr/include/qt6/QtCore/qarraydata.h:59
#8  QArrayDataPointer<char>::ref (this=0x7ffe7bd96860) at
/usr/include/qt6/QtCore/qarraydatapointer.h:451
#9  QArrayDataPointer<char>::QArrayDataPointer (this=0x7ffe7bd96860, other=...)
    at /usr/include/qt6/QtCore/qarraydatapointer.h:40
#10 QByteArray::QByteArray (this=0x7ffe7bd96860, a=...) at
/usr/include/qt6/QtCore/qbytearray.h:636
#11 KItemListHeaderWidget::createRolePixmap (this=this@entry=0x564157896290,
roleIndex=roleIndex@entry=-1)
    at
/home/tracey/kde/src/dolphin/src/kitemviews/private/kitemlistheaderwidget.cpp:574
#12 0x00007f5b6d15f329 in KItemListHeaderWidget::mouseMoveEvent
(this=0x564157896290, event=0x7ffe7bd97030)
    at
/home/tracey/kde/src/dolphin/src/kitemviews/private/kitemlistheaderwidget.cpp:366
#13 0x00007f5b6b0aa68d in QGraphicsItem::sceneEvent (this=0x7ffe7bd96980,
event=0x564157896290)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/widgets/graphicsview/qgraphicsitem.cpp:6688
#14 0x00007f5b6b0d2fc0 in QGraphicsScenePrivate::sendEvent
    (this=<optimized out>, item=0x5641578962a0, event=0x7ffe7bd97030)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/widgets/graphicsview/qgraphicsscene.cpp:1225
#15 0x00007f5b6b0d490e in QGraphicsScenePrivate::sendMouseEvent
(this=0x5641572707a0, mouseEvent=0x7ffe7bd97030)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/widgets/graphicsview/qgraphicsscene.cpp:1302
#16 0x00007f5b6b0e7829 in QGraphicsScene::mouseMoveEvent (this=<optimized out>,
mouseEvent=0x7ffe7bd97030)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/widgets/graphicsview/qgraphicsscene.cpp:3985
#17 0x00007f5b6b0dd521 in QGraphicsScene::event (this=<optimized out>,
event=0x7ffe7bd97030)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/widgets/graphicsview/qgraphicsscene.cpp:3313
#18 0x00007f5b6ac4feb0 in QApplicationPrivate::notify_helper
    (this=<optimized out>, receiver=0x564157950f10, e=0x7ffe7bd97030)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/widgets/kernel/qapplication.cpp:3300
#19 0x00007f5b6ac5113d in QApplication::notify (this=<optimized out>,
receiver=0x564157950f10, e=0x7ffe7bd97030)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/widgets/kernel/qapplication.cpp:2692
#20 0x00007f5b69ae4394 in QCoreApplication::notifyInternal2
(receiver=0x564157950f10, event=0x7ffe7bd97030)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/corelib/kernel/qcoreapplication.cpp:1106
#21 QCoreApplication::sendSpontaneousEvent (receiver=0x564157950f10,
event=0x7ffe7bd97030)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/corelib/kernel/qcoreapplication.cpp:1560
#22 0x00007f5b6b10e6a3 in qt_sendSpontaneousEvent (receiver=0x7ffe7bd96980,
event=0x7ffe7bd97030)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/widgets/kernel/qapplication.cpp:3662
#23 QGraphicsViewPrivate::mouseMoveEventHandler (this=0x5641579512f0,
event=0x7ffe7bd975d0)
#24 0x00007f5b6acb6ff2 in QWidget::event (this=0x7ffe7bd96980,
event=0x564157896290)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/widgets/kernel/qwidget.cpp:8987
#25 0x00007f5b6ad195e3 in QFrame::event (this=0x564157950ee0, e=0x7ffe7bd975d0)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/widgets/widgets/qframe.cpp:521
#26 QAbstractScrollArea::viewportEvent (this=0x564157950ee0, e=0x7ffe7bd975d0)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/widgets/widgets/qabstractscrollarea.cpp:1064
#27 0x00007f5b6b118f2a in QGraphicsView::viewportEvent (this=<optimized out>,
event=<optimized out>)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/widgets/graphicsview/qgraphicsview.cpp:2933
#28 0x00007f5b69ae38c4 in
QCoreApplicationPrivate::sendThroughObjectEventFilters
    (receiver=0x56415795bb00, event=0x7ffe7bd975d0)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/corelib/kernel/qcoreapplication.cpp:1243
#29 0x00007f5b6ac4fe9c in QApplicationPrivate::notify_helper
    (this=<optimized out>, receiver=0x56415795bb00, e=0x7ffe7bd975d0)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/widgets/kernel/qapplication.cpp:3294
#30 0x00007f5b6ac52e07 in QApplication::notify (this=<optimized out>,
receiver=0x56415795bb00, e=0x7ffe7bd975d0)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/widgets/kernel/qapplication.cpp:2777
#31 0x00007f5b69ae4394 in QCoreApplication::notifyInternal2
(receiver=0x56415795bb00, event=0x7ffe7bd975d0)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/corelib/kernel/qcoreapplication.cpp:1106
#32 QCoreApplication::sendSpontaneousEvent (receiver=0x56415795bb00,
event=0x7ffe7bd975d0)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/corelib/kernel/qcoreapplication.cpp:1560
#33 0x00007f5b6ac506b1 in QApplicationPrivate::sendMouseEvent
    (receiver=0x56415795bb00, event=0x7ffe7bd975d0, alienWidget=0x56415795bb00,
nativeWidget=0x56415726f440, buttonDown=0x7f5b6b195210 <qt_button_down>,
lastMouseReceiver=..., spontaneous=<optimized out>,
onlyDispatchEnterLeave=<optimized out>)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/widgets/kernel/qapplication.cpp:2358
#34 0x00007f5b6acd313a in QWidgetWindow::handleMouseEvent (this=0x56415749c9b0,
event=0x7ffe7bd97970)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/widgets/kernel/qwidgetwindow.cpp:683
#35 QWidgetWindow::event (this=0x56415749c9b0, event=0x7ffe7bd97970)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/widgets/kernel/qwidgetwindow.cpp:292
#36 0x00007f5b6ac4feb0 in QApplicationPrivate::notify_helper
    (this=<optimized out>, receiver=0x56415749c9b0, e=0x7ffe7bd97970)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/widgets/kernel/qapplication.cpp:3300
#37 0x00007f5b6ac5113d in QApplication::notify (this=<optimized out>,
receiver=0x56415749c9b0, e=0x7ffe7bd97970)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/widgets/kernel/qapplication.cpp:2692
#38 0x00007f5b69ae4394 in QCoreApplication::notifyInternal2
(receiver=0x56415749c9b0, event=0x7ffe7bd97970)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/corelib/kernel/qcoreapplication.cpp:1106
#39 QCoreApplication::sendSpontaneousEvent (receiver=0x56415749c9b0,
event=0x7ffe7bd97970)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/corelib/kernel/qcoreapplication.cpp:1560
#40 0x00007f5b6a2cd321 in QGuiApplicationPrivate::processMouseEvent
(e=0x5641581d2ed0)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/gui/kernel/qguiapplication.cpp:2476
#41 0x00007f5b6a34b40c in QWindowSystemInterface::sendWindowSystemEvents
(flags=...)
#42 0x00007f5b6a34af9a in QWindowSystemInterface::flushWindowSystemEvents
(flags=...)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/gui/kernel/qwindowsysteminterface.cpp:1086
#43 0x00007f5b69b3ebba in QObject::event (this=0x564156f543b0,
e=0x7f5b54002140)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/corelib/kernel/qobject.cpp:1432
#44 0x00007f5b6ac4feb0 in QApplicationPrivate::notify_helper
    (this=<optimized out>, receiver=0x564156f543b0, e=0x7f5b54002140)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/widgets/kernel/qapplication.cpp:3300
#45 0x00007f5b6ac5113d in QApplication::notify (this=<optimized out>,
receiver=0x564156f543b0, e=0x7f5b54002140)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/widgets/kernel/qapplication.cpp:2692
#46 0x00007f5b69ae4b89 in QCoreApplication::notifyInternal2
(receiver=0x564156f543b0, event=<optimized out>)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/corelib/kernel/qcoreapplication.cpp:1106
#47 QCoreApplication::sendEvent (receiver=0x564156f543b0, event=<optimized
out>)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/corelib/kernel/qcoreapplication.cpp:1546
#48 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0,
data=0x564156f45c30)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/corelib/kernel/qcoreapplication.cpp:1891
#49 0x00007f5b69e02e9f in QCoreApplication::sendPostedEvents (receiver=0x0,
event_type=0)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/corelib/kernel/qcoreapplication.cpp:1744
#50 postEventSourceDispatch (s=0x564156f4c220)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/corelib/kernel/qeventdispatcher_glib.cpp:246
#51 0x00007f5b670e18db in ??? () at /usr/lib/libglib-2.0.so.0
#52 0x00007f5b670e2948 in ??? () at /usr/lib/libglib-2.0.so.0
#53 0x00007f5b670e2a38 in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#54 0x00007f5b69e0264e in QEventDispatcherGlib::processEvents
(this=0x564156f51b80, flags=...)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/corelib/kernel/qeventdispatcher_glib.cpp:399
#55 0x00007f5b69aef466 in QEventLoop::processEvents (this=0x7ffe7bd980e0,
flags=...)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/corelib/kernel/qeventloop.cpp:104
#56 QEventLoop::exec (this=0x7ffe7bd980e0, flags=...)
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/corelib/kernel/qeventloop.cpp:186
#57 0x00007f5b69ae3e49 in QCoreApplication::exec ()
    at
/home/build/YPKG/root/qt6-base/build/qtbase-everywhere-src-6.9.3/src/corelib/kernel/qcoreapplication.cpp:1449
#58 0x00005641471124d2 in main (argc=<optimized out>, argv=<optimized out>)
    at /home/tracey/kde/src/dolphin/src/main.cpp:276

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