[konsole] [Bug 508692] New: Konsole became unresponsive after searching through multiple instances of search results in quick succession

[Roke Julian Lockhart Beedell]

https://bugs.kde.org/show_bug.cgi?id=508692

            Bug ID: 508692
           Summary: Konsole became unresponsive after searching through
                    multiple instances of search results in quick
                    succession
    Classification: Applications
           Product: konsole
      Version First 25.08.0
       Reported In:
          Platform: Fedora RPMs
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: konsole-devel at kde.org
          Reporter: 4wy78uwh at rokejulianlockhart.addy.io
  Target Milestone: ---

Application: konsole (25.08.0)

ApplicationNotResponding [ANR]: false
Qt Version: 6.9.1
Frameworks Version: 6.17.0
Operating System: Linux 6.15.10-200.fc42.x86_64 x86_64
Windowing System: Wayland
Distribution: "Fedora Linux 42 (KDE Plasma Desktop Edition)"
DrKonqi: 6.4.4 [CoredumpBackend]

-- Information about the crash:
Per https://bugzilla.redhat.com/show_bug.cgi?id=2390645#c0, "When attempting to
reproduce https://bugs.kde.org/show_bug.cgi?id=506880#c7 by searching for text
in an > 300 000-line output produced by `cat /dev/random`, I clicked the
buttons to navigate between occurrences quickly, many times. Although the DE
never considered Konsole to have hung, both it, and any child windows, became
thereafter unresponsive. To remediate this, I invoked `qdbus-qt6
org.kde.Shutdown /Shutdown org.kde.Shutdown.logout` (to logout), and when
prompted to by the DE, instructed it to log out immediately, because Konsole
remained unresponsive."

The reporter is unsure if this crash is reproducible.

-- Backtrace (Reduced):
#5  QtWaylandClient::QWaylandWindow::shellSurface (this=this at entry=0x0) at
/usr/src/debug/qt6-qtwayland-6.9.1-3.fc42.x86_64/src/client/qwaylandwindow.cpp:920
#6  0x00007f3468b1ed11 in QtWaylandClient::QWaylandXdgSurface::requestActivate
(this=0x55718e5be320) at
/usr/src/debug/qt6-qtwayland-6.9.1-3.fc42.x86_64/src/plugins/shellintegration/xdg-shell/qwaylandxdgshell.cpp:577
#7  0x00007f3467c43c68 in QApplicationPrivate::setFocusWidget
(focus=0x55718e835e40, reason=Qt::MouseFocusReason) at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/widgets/kernel/qwidget.h:101
#8  QApplicationPrivate::setFocusWidget (focus=focus at entry=0x55718e835e40,
reason=reason at entry=Qt::MouseFocusReason) at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/widgets/kernel/qapplication.cpp:1501
#9  0x00007f3467c9f04a in QWidget::setFocus (this=<optimized out>,
reason=Qt::MouseFocusReason) at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/widgets/kernel/qwidget.cpp:6598
#10 QWidget::setFocus (this=this at entry=0x55718e835e40,
reason=reason at entry=Qt::MouseFocusReason) at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/widgets/kernel/qwidget.cpp:6545
#11 0x00007f3467c3e009 in QApplicationPrivate::giveFocusAccordingToFocusPolicy
(widget=widget at entry=0x55718e83d470, event=event at entry=0x7ffd6225fe90,
localPos=...) at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/widgets/kernel/qapplication.cpp:3704
#12 0x00007f3467c499d2 in QApplication::notify (this=0x55718e114190,
receiver=<optimized out>, e=0x7ffd6225fe90) at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/widgets/kernel/qapplication.cpp:2742
#13 0x00007f34668f9f38 in QCoreApplication::notifyInternal2
(receiver=0x55718e83d470, event=0x7ffd6225fe90) at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1106
#14 0x00007f34668fa1ad in QCoreApplication::sendSpontaneousEvent
(receiver=<optimized out>, event=<optimized out>) at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1560
#15 0x00007f3467c46e29 in QApplicationPrivate::sendMouseEvent
(receiver=receiver at entry=0x55718e83d470, event=event at entry=0x7ffd6225fe90,
alienWidget=<optimized out>, nativeWidget=nativeWidget at entry=0x7f344c009120,
buttonDown=buttonDown at entry=0x7f34683eb9d0 <qt_button_down>,
lastMouseReceiver=..., spontaneous=true, onlyDispatchEnterLeave=false) at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/widgets/kernel/qapplication.cpp:2361
#16 0x00007f3467cbc3b5 in QWidgetWindow::handleMouseEvent (this=0x55718e520d30,
event=0x7ffd62260120) at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/widgets/kernel/qwidgetwindow.cpp:669
#17 0x00007f3467cbeeb3 in QWidgetWindow::event (this=<optimized out>,
event=<optimized out>) at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/widgets/kernel/qwidgetwindow.cpp:292
#18 0x00007f3467c3d97f in QApplicationPrivate::notify_helper (this=<optimized
out>, receiver=0x55718e520d30, e=0x7ffd62260120) at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/widgets/kernel/qapplication.cpp:3303
#19 0x00007f34668f9f38 in QCoreApplication::notifyInternal2
(receiver=0x55718e520d30, event=0x7ffd62260120) at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1106
#20 0x00007f34668fa1ad in QCoreApplication::sendSpontaneousEvent
(receiver=<optimized out>, event=<optimized out>) at
/usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1560


Reported using DrKonqi

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