Bug 347070

Summary:	Moving the 'Drag me' icon provokes a crash
Product:	[Applications] systemsettings	Reporter:	sandarce
Component:	kcm_touchpad	Assignee:	Plasma Bugs List <plasma-bugs>
Status:	RESOLVED DUPLICATE
Severity:	crash	CC:	garybambrough, rajeeshknambiar
Priority:	NOR	Keywords:	drkonqi
Version:	5.17.5
Target Milestone:	---
Platform:	unspecified
OS:	Linux
Latest Commit:		Version Fixed In:
Sentry Crash Report:
Attachments:	New crash information added by DrKonqi

Description sandarce 2015-05-02 15:55:16 UTC

Application: systemsettings5 (5.2.2)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-15-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
- What I was doing when the application crashed:
I was moving the 'Drag me' icon around the given square in the touchpad settings few times and it makes the System Settings crash every time.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Floating point exception
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f5f9ea4a780 (LWP 5335))]

Thread 2 (Thread 0x7f5f8e1c1700 (LWP 5336)):
#0  0x00007f5f9b1ad8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f5f994c7b72 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f5f994c964f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f5f9070c099 in QXcbEventReader::run (this=0xf1b340) at qxcbconnection.cpp:1105
#4  0x00007f5f9b82eb0e in QThreadPrivate::start (arg=0xf1b340) at thread/qthread_unix.cpp:337
#5  0x00007f5f983e16aa in start_thread (arg=0x7f5f8e1c1700) at pthread_create.c:333
#6  0x00007f5f9b1b8eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f5f9ea4a780 (LWP 5335)):
[KCrash Handler]
#6  0x00007f5f9c6162ea in QStandardItemModelPrivate::decodeDataRecursive (this=this@entry=0x150cb60, stream=..., item=0x1492990) at itemmodels/qstandarditemmodel.cpp:3015
#7  0x00007f5f9c618842 in QStandardItemModel::dropMimeData (this=0x150cda0, data=<optimized out>, action=<optimized out>, row=1, column=0, parent=...) at itemmodels/qstandarditemmodel.cpp:3060
#8  0x00007f5f9cabae9c in QAbstractItemView::dropEvent (this=0x1507aa0, event=0x7ffde1512ce0) at itemviews/qabstractitemview.cpp:2055
#9  0x00007f5f9c89c1e8 in QWidget::event (this=this@entry=0x1507aa0, event=event@entry=0x7ffde1512ce0) at kernel/qwidget.cpp:9022
#10 0x00007f5f9c99a93e in QFrame::event (this=0x1507aa0, e=0x7ffde1512ce0) at widgets/qframe.cpp:526
#11 0x00007f5f9cac7d5b in QAbstractItemView::viewportEvent (this=0x1507aa0, event=0x7ffde1512ce0) at itemviews/qabstractitemview.cpp:1689
#12 0x00007f5f9ba6ca14 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=this@entry=0xf03b10, receiver=receiver@entry=0x15080c0, event=event@entry=0x7ffde1512ce0) at kernel/qcoreapplication.cpp:1031
#13 0x00007f5f9c858b0c in QApplicationPrivate::notify_helper (this=0xf03b10, receiver=0x15080c0, e=0x7ffde1512ce0) at kernel/qapplication.cpp:3716
#14 0x00007f5f9c85e291 in QApplication::notify (this=0x7ffde1514a20, receiver=0x15080c0, e=0x7ffde1512ce0) at kernel/qapplication.cpp:3503
#15 0x00007f5f9ba6cc2b in QCoreApplication::notifyInternal (this=0x7ffde1514a20, receiver=0x15080c0, event=0x7ffde1512ce0) at kernel/qcoreapplication.cpp:935
#16 0x00007f5f9c8b644c in sendSpontaneousEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#17 QWidgetWindow::handleDropEvent (this=0x109a980, event=0x7ffde1512ff0) at kernel/qwidgetwindow.cpp:789
#18 0x00007f5f9c8b6f4b in QWidgetWindow::event (this=0x109a980, event=0x7ffde1512ff0) at kernel/qwidgetwindow.cpp:250
#19 0x00007f5f9c858b2c in QApplicationPrivate::notify_helper (this=0xf03b10, receiver=0x109a980, e=0x7ffde1512ff0) at kernel/qapplication.cpp:3720
#20 0x00007f5f9c85e000 in QApplication::notify (this=0x7ffde1514a20, receiver=0x109a980, e=0x7ffde1512ff0) at kernel/qapplication.cpp:3503
#21 0x00007f5f9ba6cc2b in QCoreApplication::notifyInternal (this=0x7ffde1514a20, receiver=receiver@entry=0x109a980, event=event@entry=0x7ffde1512ff0) at kernel/qcoreapplication.cpp:935
#22 0x00007f5f9c29d4bc in sendEvent (event=0x7ffde1512ff0, receiver=0x109a980) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#23 QGuiApplicationPrivate::processDrop (w=0x109a980, dropData=0x15227e0, p=..., supportedActions=...) at kernel/qguiapplication.cpp:2669
#24 0x00007f5f9c2823f9 in QWindowSystemInterface::handleDrop (w=<optimized out>, dropData=<optimized out>, p=..., supportedActions=...) at kernel/qwindowsysteminterface.cpp:597
#25 0x00007f5f90714dd1 in QXcbDrag::handleDrop (this=this@entry=0xf2f970, event=event@entry=0x7ffde15130f0) at qxcbdrag.cpp:962
#26 0x00007f5f90716d3e in QXcbDrag::drop (this=0xf2f970, event=<optimized out>) at qxcbdrag.cpp:521
#27 0x00007f5f9c28febd in QBasicDrag::eventFilter (this=0xf2f970, o=<optimized out>, e=0x7ffde15134e0) at kernel/qsimpledrag.cpp:148
#28 0x00007f5f9ba6c8e3 in QCoreApplicationPrivate::sendThroughApplicationEventFilters (this=this@entry=0xf03b10, receiver=receiver@entry=0x109a980, event=event@entry=0x7ffde15134e0) at kernel/qcoreapplication.cpp:1012
#29 0x00007f5f9c858ab8 in QApplicationPrivate::notify_helper (this=0xf03b10, receiver=0x109a980, e=0x7ffde15134e0) at kernel/qapplication.cpp:3695
#30 0x00007f5f9c85e000 in QApplication::notify (this=0x7ffde1514a20, receiver=0x109a980, e=0x7ffde15134e0) at kernel/qapplication.cpp:3503
#31 0x00007f5f9ba6cc2b in QCoreApplication::notifyInternal (this=0x7ffde1514a20, receiver=0x109a980, event=0x7ffde15134e0) at kernel/qcoreapplication.cpp:935
#32 0x00007f5f9c29bf82 in sendSpontaneousEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#33 QGuiApplicationPrivate::processMouseEvent (e=0x1510e90) at kernel/qguiapplication.cpp:1774
#34 0x00007f5f9c29db45 in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x1510e90) at kernel/qguiapplication.cpp:1576
#35 0x00007f5f9c28234f in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:572
#36 0x00007f5f90736590 in userEventSourceDispatch (source=<optimized out>) at eventdispatchers/qeventdispatcher_glib.cpp:70
#37 0x00007f5f97ec2c3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007f5f97ec2f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007f5f97ec2fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007f5f9bac5c57 in QEventDispatcherGlib::processEvents (this=0xf41890, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#41 0x00007f5f9ba6a3e2 in QEventLoop::exec (this=this@entry=0x1504d50, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#42 0x00007f5f9c290262 in QBasicDrag::drag (this=0xf2f970, o=<optimized out>) at kernel/qsimpledrag.cpp:177
#43 0x00007f5f9c2a8b69 in QDragManager::drag (this=0x1515b40, o=o@entry=0x1327be0) at kernel/qdnd.cpp:135
#44 0x00007f5f9c2a7ed7 in QDrag::exec (this=this@entry=0x1327be0, supportedActions=..., supportedActions@entry=..., defaultDropAction=defaultDropAction@entry=Qt::CopyAction) at kernel/qdrag.cpp:274
#45 0x00007f5f9cae7262 in QIconModeViewBase::filterStartDrag (this=0x150c9f0, supportedActions=...) at itemviews/qlistview.cpp:2700
#46 0x00007f5f9cae6c3f in QListView::startDrag (this=this@entry=0x1507aa0, supportedActions=...) at itemviews/qlistview.cpp:884
#47 0x00007f5f9cac7266 in QAbstractItemView::mouseMoveEvent (this=this@entry=0x1507aa0, event=event@entry=0x7ffde1514150) at itemviews/qabstractitemview.cpp:1770
#48 0x00007f5f9cae677c in QListView::mouseMoveEvent (this=0x1507aa0, e=0x7ffde1514150) at itemviews/qlistview.cpp:773
#49 0x00007f5f9c89c1e8 in QWidget::event (this=this@entry=0x1507aa0, event=event@entry=0x7ffde1514150) at kernel/qwidget.cpp:9022
#50 0x00007f5f9c99a93e in QFrame::event (this=0x1507aa0, e=0x7ffde1514150) at widgets/qframe.cpp:526
#51 0x00007f5f9cac7d5b in QAbstractItemView::viewportEvent (this=0x1507aa0, event=0x7ffde1514150) at itemviews/qabstractitemview.cpp:1689
#52 0x00007f5f9ba6ca14 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=this@entry=0xf03b10, receiver=receiver@entry=0x15080c0, event=event@entry=0x7ffde1514150) at kernel/qcoreapplication.cpp:1031
#53 0x00007f5f9c858b0c in QApplicationPrivate::notify_helper (this=0xf03b10, receiver=0x15080c0, e=0x7ffde1514150) at kernel/qapplication.cpp:3716
#54 0x00007f5f9c85e8eb in QApplication::notify (this=0x7ffde1513e90, receiver=0x7ffde1513eb0, e=0x7ffde1514150) at kernel/qapplication.cpp:3280
#55 0x00007f5f9ba6cc2b in QCoreApplication::notifyInternal (this=0x7ffde1514a20, receiver=receiver@entry=0x15080c0, event=event@entry=0x7ffde1514150) at kernel/qcoreapplication.cpp:935
#56 0x00007f5f9c85d3da in sendSpontaneousEvent (event=0x7ffde1514150, receiver=0x15080c0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#57 QApplicationPrivate::sendMouseEvent (receiver=0x15080c0, event=0x7ffde1514150, alienWidget=0x15080c0, nativeWidget=0xfb2870, buttonDown=<optimized out>, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:2751
#58 0x00007f5f9c8b4cc0 in QWidgetWindow::handleMouseEvent (this=0x109a980, event=0x7ffde1514560) at kernel/qwidgetwindow.cpp:543
#59 0x00007f5f9c8b6e33 in QWidgetWindow::event (this=0x109a980, event=0x7ffde1514560) at kernel/qwidgetwindow.cpp:210
#60 0x00007f5f9c858b2c in QApplicationPrivate::notify_helper (this=0xf03b10, receiver=0x109a980, e=0x7ffde1514560) at kernel/qapplication.cpp:3720
#61 0x00007f5f9c85e000 in QApplication::notify (this=0x7ffde1514a20, receiver=0x109a980, e=0x7ffde1514560) at kernel/qapplication.cpp:3503
#62 0x00007f5f9ba6cc2b in QCoreApplication::notifyInternal (this=0x7ffde1514a20, receiver=0x109a980, event=0x7ffde1514560) at kernel/qcoreapplication.cpp:935
#63 0x00007f5f9c29bf82 in sendSpontaneousEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#64 QGuiApplicationPrivate::processMouseEvent (e=0x141dcc0) at kernel/qguiapplication.cpp:1774
#65 0x00007f5f9c29db45 in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x141dcc0) at kernel/qguiapplication.cpp:1576
#66 0x00007f5f9c28234f in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:572
#67 0x00007f5f90736590 in userEventSourceDispatch (source=<optimized out>) at eventdispatchers/qeventdispatcher_glib.cpp:70
#68 0x00007f5f97ec2c3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#69 0x00007f5f97ec2f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#70 0x00007f5f97ec2fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#71 0x00007f5f9bac5c57 in QEventDispatcherGlib::processEvents (this=0xf41890, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#72 0x00007f5f9ba6a3e2 in QEventLoop::exec (this=this@entry=0x7ffde1514900, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#73 0x00007f5f9ba7202c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#74 0x00007f5f9c29331c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#75 0x00007f5f9c8547a5 in QApplication::exec () at kernel/qapplication.cpp:2956
#76 0x000000000040eebc in main (argc=1, argv=<optimized out>) at ../../app/main.cpp:54

Reported using DrKonqi

Comment 1 Rajeesh K V 2015-05-03 07:42:30 UTC


*** This bug has been marked as a duplicate of bug 346900 ***

Comment 2 gary 2022-08-30 22:24:56 UTC

Created attachment 151713 [details]
New crash information added by DrKonqi

systemsettings5 (5.20.5) using Qt 5.15.2

- What I was doing when the application crashed: I was moving the "drag me" icon within its box after assigning the 2 finger touchpad control to right button 

- Custom settings of the application:

-- Backtrace (Reduced):
#10 0x00007fdf89ee4fe1 in qBadAlloc() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
[...]
#12 0x00007fdf8a0a708a in QAbstractListModel::dropMimeData(QMimeData const*, Qt::DropAction, int, int, QModelIndex const&) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007fdf8af659df in QListWidget::dropMimeData(int, QMimeData const*, Qt::DropAction) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#14 0x00007fdf8af16b73 in QAbstractItemView::dropEvent(QDropEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007fdf8ad00fae in QWidget::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5