https://bugs.kde.org/show_bug.cgi?id=424752

            Bug ID: 424752
           Summary: Kwin crash using hot corner to present windows
           Product: kwin
           Version: 5.19.3
          Platform: Neon Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kwin-bugs-n...@kde.org
          Reporter: mmerl...@gmail.com
  Target Milestone: ---

Application: kwin_x11 (5.19.3)

Qt Version: 5.14.2
Frameworks Version: 5.72.0
Operating System: Linux 5.4.0-42-generic x86_64
Windowing system: X11
Distribution: KDE neon User Edition 5.19

-- Information about the crash:
- What I was doing when the application crashed:

Just starting desktop environment after a fresh boot.

Nothing fancy, no special setup or packages, vanilla system.

The crash can be reproduced sometimes.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault

[KCrash Handler]
#4  0x0000560556c02ec0 in ?? ()
#5  0x00007fa43616ef0a in KWin::Workspace::workspaceEvent (this=0x5605563696b0,
e=0x7fa418028c30) at ./events.cpp:240
#6  0x00007fa4337de4df in QAbstractEventDispatcher::filterNativeEvent
(this=<optimized out>, eventType=..., message=message@entry=0x7fa418028c30,
result=result@entry=0x7ffca4c4ab58) at kernel/qabstracteventdispatcher.cpp:488
#7  0x00007fa41efeabac in QXcbConnection::handleXcbEvent
(this=this@entry=0x560556287010, event=event@entry=0x7fa418028c30) at
qxcbconnection.cpp:550
#8  0x00007fa41efeb6d6 in QXcbConnection::processXcbEvents
(this=0x560556287010, flags=...) at qxcbconnection.cpp:1029
#9  0x00007fa41f01032c in QXcbUnixEventDispatcher::processEvents
(this=0x5605562d5f80, flags=...) at qxcbeventdispatcher.cpp:61
#10 0x00007fa4337dfd2a in QEventLoop::exec (this=this@entry=0x7ffca4c4acb0,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#11 0x00007fa4337e94a0 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1383
#12 0x0000560554eea3db in main (argc=<optimized out>, argv=0x7ffca4c4af28) at
./main_x11.cpp:479

The reporter indicates this bug may be a duplicate of or related to bug 423319.

Possible duplicates by query: bug 423319, bug 422899, bug 422558, bug 422275,
bug 421762.

Reported using DrKonqi

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