[okular] [Bug 437334] New: Okular crashes when wrapping cursor on wayland

Wed May 19 01:56:04 BST 2021

https://bugs.kde.org/show_bug.cgi?id=437334

            Bug ID: 437334
           Summary: Okular crashes when wrapping cursor on wayland
           Product: okular
           Version: unspecified
          Platform: Compiled Sources
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: okular-devel at kde.org
          Reporter: aleixpol at kde.org
  Target Milestone: ---

Application: okular (21.07.70)
 (Compiled from sources)
Qt Version: 5.15.1
Frameworks Version: 5.83.0
Operating System: Linux 5.12.4-arch1-2 x86_64
Windowing System: Wayland
Drkonqi Version: 5.22.80
Distribution: Arch Linux

-- Information about the crash:
- What I was doing when the application crashed:
Okular crashes as soon as the cursor leaves the window as on Wayland we don't
have a global cursor position.

We won't be able to move the cursor either so the infinite scrolling can happen
but not to visibly move the cursor.

The crash can be reproduced every time.

-- Backtrace:
Application: Okular (okular), signal: Aborted
Content of s_kcrashErrorMessage: [Current thread is 1 (Thread 0x7f783f287100
(LWP 10536))]
[KCrash Handler]
#5  0x00007f78428f1d22 in raise () from /usr/lib/libc.so.6
#6  0x00007f78428db862 in abort () from /usr/lib/libc.so.6
#7  0x00007f7842eb4c51 in qt_message_fatal (message=<synthetic pointer>...,
context=...) at
/home/apol/devel/frameworks/qt5/qtbase/src/corelib/global/qlogging.cpp:1914
#8  QMessageLogger::fatal (this=this at entry=0x7ffc94456cf8,
msg=msg at entry=0x7f78431b2ec8 "ASSERT failure in %s: \"%s\", file %s, line %d")
at /home/apol/devel/frameworks/qt5/qtbase/src/corelib/global/qlogging.cpp:893
#9  0x00007f7842eb40a6 in qt_assert_x (where=<optimized out>, what=<optimized
out>, file=<optimized out>, line=<optimized out>) at
/home/apol/devel/frameworks/qt5/qtbase/src/corelib/global/qglobal.cpp:3366
#10 0x00007f783c1ef3d2 in CursorWrapHelper::getScreen () at
/home/apol/devel/frameworks/okular/part/cursorwraphelper.cpp:101
#11 0x00007f783c1eeb74 in CursorWrapHelper::wrapCursor (eventPosition=...,
edges=...) at /home/apol/devel/frameworks/okular/part/cursorwraphelper.cpp:23
#12 0x00007f783c258b1b in PageView::mouseMoveEvent (this=0x560fa78e2670,
e=0x7ffc94457840) at /home/apol/devel/frameworks/okular/part/pageview.cpp:2220
#13 0x00007f7843ca002e in QWidget::event (this=this at entry=0x560fa78e2670,
event=event at entry=0x7ffc94457840) at
/home/apol/devel/frameworks/qt5/qtbase/src/widgets/kernel/qwidget.cpp:9020
#14 0x00007f7843d4846e in QFrame::event (this=0x560fa78e2670, e=0x7ffc94457840)
at /home/apol/devel/frameworks/qt5/qtbase/src/widgets/widgets/qframe.cpp:550
#15 0x00007f783c261d9e in PageView::viewportEvent (this=0x560fa78e2670,
e=0x7ffc94457840) at /home/apol/devel/frameworks/okular/part/pageview.cpp:3245
#16 0x00007f78430d1b63 in
QCoreApplicationPrivate::sendThroughObjectEventFilters (event=<optimized out>,
receiver=<optimized out>) at
/home/apol/devel/frameworks/qt5/qtbase/src/corelib/kernel/qcoreapplication.cpp:1190
#17 QCoreApplicationPrivate::sendThroughObjectEventFilters
(receiver=receiver at entry=0x560fa78c92e0, event=event at entry=0x7ffc94457840) at
/home/apol/devel/frameworks/qt5/qtbase/src/corelib/kernel/qcoreapplication.cpp:1179
#18 0x00007f7843c6016e in QApplicationPrivate::notify_helper
(this=this at entry=0x560fa749f2e0, receiver=receiver at entry=0x560fa78c92e0,
e=e at entry=0x7ffc94457840) at
/home/apol/devel/frameworks/qt5/qtbase/src/widgets/kernel/qapplication.cpp:3626
#19 0x00007f7843c6706b in QApplication::notify (this=0x7ffc94457540,
receiver=0x560fa78c92e0, e=0x7ffc94457840) at
/home/apol/devel/frameworks/qt5/qtbase/src/widgets/kernel/qapplication.cpp:3076
#20 0x00007f78430d1dfa in QCoreApplication::notifyInternal2
(receiver=0x560fa78c92e0, event=0x7ffc94457840) at
/home/apol/devel/frameworks/qt5/qtbase/src/corelib/kernel/qcoreapplication.cpp:1064
#21 0x00007f7843c66096 in QApplicationPrivate::sendMouseEvent
(receiver=receiver at entry=0x560fa78c92e0, event=event at entry=0x7ffc94457840,
alienWidget=0x0, alienWidget at entry=0x560fa75690b0, nativeWidget=0x560fa75690b0,
buttonDown=buttonDown at entry=0x7f78441879f0 <qt_button_down>,
lastMouseReceiver=..., spontaneous=true, onlyDispatchEnterLeave=false) at
/home/apol/devel/frameworks/qt5/qtbase/src/widgets/kernel/qapplication.cpp:2614
#22 0x00007f7843cb8071 in QWidgetWindow::handleMouseEvent (this=0x560fa7989f10,
event=0x7ffc94457b00) at
/home/apol/devel/frameworks/qt5/qtbase/src/widgets/kernel/qwidgetwindow.cpp:683
#23 0x00007f7843cbb39e in QWidgetWindow::event (this=0x560fa7989f10,
event=0x7ffc94457b00) at
/home/apol/devel/frameworks/qt5/qtbase/src/widgets/kernel/qwidgetwindow.cpp:300
#24 0x00007f7843c6017f in QApplicationPrivate::notify_helper (this=<optimized
out>, receiver=0x560fa7989f10, e=0x7ffc94457b00) at
/home/apol/devel/frameworks/qt5/qtbase/src/widgets/kernel/qapplication.cpp:3632
#25 0x00007f78430d1dfa in QCoreApplication::notifyInternal2
(receiver=0x560fa7989f10, event=0x7ffc94457b00) at
/home/apol/devel/frameworks/qt5/qtbase/src/corelib/kernel/qcoreapplication.cpp:1064
#26 0x00007f7843571593 in QGuiApplicationPrivate::processMouseEvent
(e=0x7f7720019bf0) at
/home/apol/devel/frameworks/qt5/qtbase/src/gui/kernel/qguiapplication.cpp:2282
#27 0x00007f784354753c in QWindowSystemInterface::sendWindowSystemEvents
(flags=...) at
/home/apol/devel/frameworks/qt5/qtbase/src/gui/kernel/qwindowsysteminterface.cpp:1169
#28 0x00007f783fa7ba40 in userEventSourceDispatch (source=<optimized out>) at
/home/apol/devel/frameworks/qt5/qtbase/src/platformsupport/eventdispatchers/qeventdispatcher_glib.cpp:74
#29 0x00007f783fc1602c in g_main_context_dispatch () from
/usr/lib/libglib-2.0.so.0
#30 0x00007f783fc69b59 in ?? () from /usr/lib/libglib-2.0.so.0
#31 0x00007f783fc13781 in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#32 0x00007f78431291df in QEventDispatcherGlib::processEvents
(this=0x560fa753f670, flags=...) at
/home/apol/devel/frameworks/qt5/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:423
#33 0x00007f78430d07ab in QEventLoop::exec (this=this at entry=0x7ffc94457e30,
flags=..., flags at entry=...) at
../../include/QtCore/../../../../../devel/frameworks/qt5/qtbase/src/corelib/global/qflags.h:69
#34 0x00007f78430d8a30 in QCoreApplication::exec () at
../../include/QtCore/../../../../../devel/frameworks/qt5/qtbase/src/corelib/global/qflags.h:121
#35 0x0000560fa5d87822 in main (argc=2, argv=0x7ffc94458278) at
/home/apol/devel/frameworks/okular/shell/main.cpp:107
[Inferior 1 (process 10536) detached]

Possible duplicates by query: bug 424911, bug 423132, bug 417285, bug 414922,
bug 409419.

Reported using DrKonqi

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