[kmail2] [Bug 462917] New: KMail SEGFAULT when starting while an email window is still open

Sun Dec 11 16:57:44 GMT 2022

https://bugs.kde.org/show_bug.cgi?id=462917

            Bug ID: 462917
           Summary: KMail SEGFAULT when starting while an email window is
                    still open
    Classification: Applications
           Product: kmail2
           Version: unspecified
          Platform: OpenSUSE
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kdepim-bugs at kde.org
          Reporter: marcec at gmx.de
  Target Milestone: ---

Application: kmail (5.22.0 (22.12.0))

Qt Version: 5.15.7
Frameworks Version: 5.100.0
Operating System: Linux 6.0.12-1-default x86_64
Windowing System: X11
Distribution: openSUSE Tumbleweed
DrKonqi: 5.26.4 [KCrashBackend]

-- Information about the crash:
I've noticed that KMail consistantly crashes when I have en email window open
(for editing) and I close the main KMail window (out of habit), then open it
again.  Thankfully, I don't appear to actually lose any data when that happens,
but it's incredibly annoying and disruptive.

Furthermore, this has been a bug for a while now (at least a year?), but the
circumstances that cause it are usually accidental (start writing a new email,
take a break to go do something else, close KMail to reduce clutter, then open
it again with the email window still open), so I'm only now getting around to
reporting it.

(I'm not 100% certain if it's *always* reproducible, so I set reproducibility
to "sometimes", but I think it's reproducible *most* of the time.)

The crash can be reproduced sometimes.

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault

[KCrash Handler]
#4  0x00007faf53fa13e4 in QScopedPointer<QObjectData,
QScopedPointerDeleter<QObjectData> >::operator-> (this=0x8) at
../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:118
#5  qGetPtrHelper<QScopedPointer<QObjectData,
QScopedPointerDeleter<QObjectData> > > (ptr=...) at
../../include/QtCore/../../src/corelib/global/qglobal.h:1143
#6  QAction::d_func (this=this at entry=0x0) at kernel/qaction.h:63
#7  QAction::setText (this=this at entry=0x0, text=...) at kernel/qaction.cpp:714
#8  0x00007faf5c3ec08a in KMMainWidget::updateFolderMenu (this=0x55f78a57c730)
at /usr/src/debug/kmail-22.12.0/src/kmmainwidget.cpp:4053
#9  0x00007faf5c3e330d in KMMainWidget::setupActions (this=<optimized out>) at
/usr/src/debug/kmail-22.12.0/src/kmmainwidget.cpp:3413
#10 0x00007faf5c3cfc81 in KMMainWidget::KMMainWidget (this=<optimized out>,
parent=<optimized out>, aGUIClient=<optimized out>, actionCollection=<optimized
out>, config=..., this=<optimized out>, parent=<optimized out>,
aGUIClient=<optimized out>, actionCollection=<optimized out>, config=...) at
/usr/src/debug/kmail-22.12.0/src/kmmainwidget.cpp:242
#11 0x00007faf5c397664 in KMMainWin::KMMainWin (this=<optimized out>,
this=<optimized out>) at /usr/src/debug/kmail-22.12.0/src/kmmainwin.cpp:53
#12 0x00007faf5c3a7837 in KMKernel::openReader (this=<optimized out>,
onlyCheck=<optimized out>, startInTray=<optimized out>) at
/usr/src/debug/kmail-22.12.0/src/kmkernel.cpp:562
#13 0x00007faf5c3ad28f in KMKernel::action (this=0x7ffeb4fa3a80,
mailto=<optimized out>, check=<optimized out>, startInTray=<optimized out>,
to=..., cc=..., bcc=..., subj=..., body=..., messageFile=..., attachURLs=...,
customHeaders=..., replyTo=..., inReplyTo=..., identity=...) at
/usr/src/debug/kmail-22.12.0/src/kmkernel.cpp:1280
#14 0x00007faf5c3a61fa in KMKernel::handleCommandLine (this=<optimized out>,
noArgsOpensReader=noArgsOpensReader at entry=true, args=..., workingDir=...) at
/usr/src/debug/kmail-22.12.0/src/kmkernel.cpp:473
#15 0x000055f785e90849 in KMailApplication::activate (this=<optimized out>,
args=..., workingDir=...) at /usr/src/debug/kmail-22.12.0/src/main.cpp:107
#16 0x00007faf5c58f553 in ?? () from /lib64/libKF5KontactInterface.so.5
#17 0x00007faf5c58f633 in
KontactInterface::PimUniqueApplication::qt_metacall(QMetaObject::Call, int,
void**) () from /lib64/libKF5KontactInterface.so.5
#18 0x00007faf52f9255b in ?? () from /lib64/libQt5DBus.so.5
#19 0x00007faf52f96120 in ?? () from /lib64/libQt5DBus.so.5
#20 0x00007faf52f9697e in ?? () from /lib64/libQt5DBus.so.5
#21 0x00007faf52f98db8 in ?? () from /lib64/libQt5DBus.so.5
#22 0x00007faf53307c40 in QObject::event (this=0x7ffeb4fa3a60,
e=0x55f78a6b22e0) at kernel/qobject.cpp:1347
#23 0x00007faf53fa53fe in QApplicationPrivate::notify_helper (this=<optimized
out>, receiver=0x7ffeb4fa3a60, e=0x55f78a6b22e0) at
kernel/qapplication.cpp:3637
#24 0x00007faf532dc128 in QCoreApplication::notifyInternal2
(receiver=0x7ffeb4fa3a60, event=0x55f78a6b22e0) at
kernel/qcoreapplication.cpp:1064
#25 0x00007faf532df0c1 in QCoreApplicationPrivate::sendPostedEvents
(receiver=0x0, event_type=0, data=0x55f786de6990) at
kernel/qcoreapplication.cpp:1821
#26 0x00007faf53334353 in postEventSourceDispatch (s=0x55f786f663d0) at
kernel/qeventdispatcher_glib.cpp:277
#27 0x00007faf4f329a90 in g_main_context_dispatch () from
/lib64/libglib-2.0.so.0
#28 0x00007faf4f329e48 in ?? () from /lib64/libglib-2.0.so.0
#29 0x00007faf4f329edc in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#30 0x00007faf53333b56 in QEventDispatcherGlib::processEvents
(this=0x55f786f5ffe0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#31 0x00007faf532dab9b in QEventLoop::exec (this=this at entry=0x7ffeb4fa3540,
flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:69
#32 0x00007faf532e2d06 in QCoreApplication::exec () at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#33 0x000055f785e8f701 in main (argc=<optimized out>, argv=<optimized out>) at
/usr/src/debug/kmail-22.12.0/src/main.cpp:184
[Inferior 1 (process 14191) detached]

The reporter indicates this bug may be a duplicate of or related to bug 346177,
bug 452444.

Reported using DrKonqi

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