https://bugs.kde.org/show_bug.cgi?id=527531

            Bug ID: 527531
           Summary: KMail crashes on startup
    Classification: Applications
           Product: kmail2
      Version First unspecified
       Reported In:
          Platform: Neon
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: [email protected]
          Reporter: [email protected]
  Target Milestone: ---

Application: kmail (6.8.2 (26.08.2))

ApplicationNotResponding [ANR]: false
Qt Version: 6.11.1
Frameworks Version: 6.31.0
Operating System: Linux 7.0.0-38-generic x86_64
Windowing System: Wayland
Distribution: KDE neon User Edition
DrKonqi: 6.8.1 [CoredumpBackend]

-- Information about the crash:
I just installed updates (Plasma 6.8) on my Neon system and rebooted. Now KMail
reliably crashes on startup.

My ~/.config/kdeglobals had the following entry:
```
[Shortcuts]
New=
SubstringCompletion=
```

I removed these three lines and the crash is gone. I have not written this
lines manually. So it is not impossible somebody else will experience the same
issue.

The crash can be reproduced every time.

-- Backtrace (Reduced):
#6  0x000078df04295c34 in QKeySequence::QKeySequence
(this=this@entry=0x7fff4c39e4c0, keysequence=..., this=<optimized out>,
keysequence=<optimized out>) at
/usr/src/qt6-base-6.11.1-0zneon+24.04+noble+release+build162/src/gui/kernel/qkeysequence.cpp:863
#7  0x000078df03b70af8 in
QtPrivate::QMovableArrayOps<QKeySequence>::emplace<QKeySequence const&>
(this=0x7fff4c39e500, i=0) at
/usr/include/x86_64-linux-gnu/qt6/QtCore/qarraydataops.h:762
#8  0x000078df03b677c2 in QList<QKeySequence>::emplaceBack<QKeySequence const&>
(this=0x7fff4c39e500) at /usr/include/x86_64-linux-gnu/qt6/QtCore/qlist.h:958
#9  QList<QKeySequence>::append (t=<optimized out>, this=0x7fff4c39e500) at
/usr/include/x86_64-linux-gnu/qt6/QtCore/qlist.h:523
#10 QList<QKeySequence>::operator<< (t=<optimized out>, this=0x7fff4c39e500) at
/usr/include/x86_64-linux-gnu/qt6/QtCore/qlist.h:781
#11 KActionCollection::setDefaultShortcut (action=action@entry=0x649b90602b20,
shortcut=<optimized out>) at
/usr/src/kf6-kxmlgui-6.31.0-0zneon+24.04+noble+release+build67/src/kactioncollection.cpp:482
#12 0x000078df11835aa1 in KMMainWidget::setupActions (this=0x649b8fab0be0) at
/usr/include/x86_64-linux-gnu/qt6/QtCore/qlist.h:200
#13 0x000078df118217dc in KMMainWidget::KMMainWidget (this=0x649b8fab0be0,
parent=<optimized out>, aGUIClient=<optimized out>, actionCollection=<optimized
out>, config=<optimized out>, this=<optimized out>, parent=<optimized out>,
aGUIClient=<optimized out>, actionCollection=<optimized out>, config=<optimized
out>) at
/usr/src/kmail-4:26.08.2-0zneon+24.04+noble+release+build64/src/kmmainwidget.cpp:290
#14 0x000078df117d9a1b in KMMainWin::KMMainWin (this=0x649b8fc0fab0,
this=<optimized out>) at
/usr/src/kmail-4:26.08.2-0zneon+24.04+noble+release+build64/src/kmmainwin.cpp:89
#16 0x000078df117ef40b in KMKernel::action (this=0x7fff4c39ff20,
mailto=<optimized out>, check=<optimized out>, startInTray=<optimized out>,
htmlBody=<optimized out>, to=..., cc=..., bcc=..., subj=..., body=...,
messageFile=..., attachURLs=..., customHeaders=..., replyTo=..., inReplyTo=...,
identity=...) at
/usr/src/kmail-4:26.08.2-0zneon+24.04+noble+release+build64/src/kmkernel.cpp:1108
#17 0x000078df117e82e2 in KMKernel::handleCommandLine (this=0x7fff4c39ff20,
noArgsOpensReader=noArgsOpensReader@entry=true, args=..., workingDir=...) at
/usr/src/kmail-4:26.08.2-0zneon+24.04+noble+release+build64/src/kmkernel.cpp:272
#18 0x0000649b82301915 in KMailApplication::activate
(this=this@entry=0x7fff4c39ff00, args=..., workingDir=...) at
/usr/src/kmail-4:26.08.2-0zneon+24.04+noble+release+build64/src/main.cpp:110
#19 0x0000649b823006c0 in KMailApplication::delayedInstanceCreation
(workingDir=..., args=..., this=0x7fff4c39ff00) at
/usr/src/kmail-4:26.08.2-0zneon+24.04+noble+release+build64/src/main.cpp:119
#20 KMailApplication::delayedInstanceCreation (workingDir=..., args=...,
this=0x7fff4c39ff00) at
/usr/src/kmail-4:26.08.2-0zneon+24.04+noble+release+build64/src/main.cpp:119
#21 main (argc=<optimized out>, argv=<optimized out>) at
/usr/src/kmail-4:26.08.2-0zneon+24.04+noble+release+build64/src/main.cpp:186


Reported using DrKonqi

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