[Bug 276421] New: KMail crashed when an MDN query popup was closed

[Dave Gordon]

https://bugs.kde.org/show_bug.cgi?id=276421

           Summary: KMail crashed when an MDN query popup was closed
           Product: kmail2
           Version: unspecified
          Platform: openSUSE RPMs
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: kdepim-bugs at kde.org
        ReportedBy: kde-bugz at milborne.biz


Application: kmail (1.13.6)
KDE Platform Version: 4.6.00 (4.6.0) "release 6"
Qt Version: 4.7.1
Operating System: Linux 2.6.37.6-0.5-desktop x86_64
Distribution: "openSUSE 11.4 (x86_64)"

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

Selected a message in the message-list pane; dialog popped up asking whether to
send MDN.
Instead of answering it, I selected a different message in the list and then
tried to close (x) the
popup window. KMail crashed with a null pointer reference.

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
82    T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[KCrash Handler]
#6  0x0000000000000000 in ?? ()
#7  0x00007ff89e723f64 in KMMessage::createMDN (this=0xcce7320,
a=KMime::MDN::ManualAction, d=KMime::MDN::Displayed, allowGUI=true, m=...) at
/usr/src/debug/kdepim-4.4.10/kmail/kmmessage.cpp:1141
#8  0x00007ff89e7d7e43 in KMReaderWin::slotTouchMessage (this=0x8e6e30) at
/usr/src/debug/kdepim-4.4.10/kmail/kmreaderwin.cpp:1889
#9  0x00007ff89e7e1461 in KMReaderWin::qt_metacall (this=0x8e6e30,
_c=QMetaObject::InvokeMetaMethod, _id=37, _a=0x7fff7e69a9d0) at
/usr/src/debug/kdepim-4.4.10/build/kmail/kmreaderwin.moc:210
#10 0x00007ff89d279def in QMetaObject::activate (sender=0x8e6f18, m=<value
optimized out>, local_signal_index=<value optimized out>, argv=0x0) at
kernel/qobject.cpp:3272
#11 0x00007ff89d278799 in QObject::event (this=0x8e6f18, e=<value optimized
out>) at kernel/qobject.cpp:1175
#12 0x00007ff89d762d14 in QApplicationPrivate::notify_helper (this=0x66ce10,
receiver=0x8e6f18, e=0x7fff7e69b170) at kernel/qapplication.cpp:4445
#13 0x00007ff89d76b22a in QApplication::notify (this=<value optimized out>,
receiver=0x8e6f18, e=0x7fff7e69b170) at kernel/qapplication.cpp:4324
#14 0x00007ff89f6ec9e6 in KApplication::notify (this=0x7fff7e69b650,
receiver=0x8e6f18, event=0x7fff7e69b170) at
/usr/src/debug/kdelibs-4.6.0/kdeui/kernel/kapplication.cpp:311
#15 0x00007ff89d264bfc in QCoreApplication::notifyInternal
(this=0x7fff7e69b650, receiver=0x8e6f18, event=0x7fff7e69b170) at
kernel/qcoreapplication.cpp:732
#16 0x00007ff89d2924d8 in sendEvent (this=0x66e9d0) at
kernel/qcoreapplication.h:215
#17 QTimerInfoList::activateTimers (this=0x66e9d0) at
kernel/qeventdispatcher_unix.cpp:618
#18 0x00007ff89d28f268 in timerSourceDispatch (source=<value optimized out>) at
kernel/qeventdispatcher_glib.cpp:184
#19 idleTimerSourceDispatch (source=<value optimized out>) at
kernel/qeventdispatcher_glib.cpp:231
#20 0x00007ff89446cbd3 in g_main_dispatch (context=0x66ca00) at gmain.c:2440
#21 g_main_context_dispatch (context=0x66ca00) at gmain.c:3013
#22 0x00007ff89446d3b0 in g_main_context_iterate (context=0x66ca00, block=1,
dispatch=1, self=<value optimized out>) at gmain.c:3091
#23 0x00007ff89446d650 in g_main_context_iteration (context=0x66ca00,
may_block=1) at gmain.c:3154
#24 0x00007ff89d28f91f in QEventDispatcherGlib::processEvents (this=0x6125e0,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#25 0x00007ff89d807d8e in QGuiEventDispatcherGlib::processEvents (this=<value
optimized out>, flags=<value optimized out>) at
kernel/qguieventdispatcher_glib.cpp:204
#26 0x00007ff89d264052 in QEventLoop::processEvents (this=<value optimized
out>, flags=...) at kernel/qeventloop.cpp:149
#27 0x00007ff89d264265 in QEventLoop::exec (this=0x7fff7e69b480, flags=...) at
kernel/qeventloop.cpp:201
#28 0x00007ff89d2686ab in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1009
#29 0x00000000004033e8 in main (argc=<value optimized out>, argv=<value
optimized out>) at /usr/src/debug/kdepim-4.4.10/kmail/main.cpp:156

Reported using DrKonqi

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