Application: kmail (4.10.1)
KDE Platform Version: 4.10.1
Qt Version: 4.8.4
Operating System: Linux 3.8.4-202.fc18.x86_64 x86_64
Distribution: "Fedora release 18 (Spherical Cow)"

-- Information about the crash:
- What I was doing when the application crashed:
Kmail crashed when processing a meeting cancellation, clicked on the cancellation to remove it from my Korganizer calendar and Kmail crashed

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
81	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7f8d8440d880 (LWP 17200))]

Thread 3 (Thread 0x7f8d76515700 (LWP 17205)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:165
#1  0x00000038b38169bd in WTF::TCMalloc_PageHeap::scavengerThread (this=0x38b4201d00 <WTF::pageheap_memory>) at wtf/FastMalloc.cpp:2495
#2  0x00000038b3816ac9 in WTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at wtf/FastMalloc.cpp:1618
#3  0x000000388da07d15 in start_thread (arg=0x7f8d76515700) at pthread_create.c:308
#4  0x000000388d2f248d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114

Thread 2 (Thread 0x7f8d75bfc700 (LWP 17206)):
#0  0x000000388fe475f9 in g_main_context_prepare (context=context@entry=0x7f8d700009a0, priority=priority@entry=0x7f8d75bfbba8) at gmain.c:3003
#1  0x000000388fe47c4b in g_main_context_iterate (context=context@entry=0x7f8d700009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3270
#2  0x000000388fe47e44 in g_main_context_iteration (context=0x7f8d700009a0, may_block=1) at gmain.c:3351
#3  0x0000003895fa6126 in QEventDispatcherGlib::processEvents (this=0x7f8d700008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x0000003895f7680f in QEventLoop::processEvents (this=this@entry=0x7f8d75bfbd00, flags=...) at kernel/qeventloop.cpp:149
#5  0x0000003895f76a98 in QEventLoop::exec (this=0x7f8d75bfbd00, flags=...) at kernel/qeventloop.cpp:204
#6  0x0000003895e78980 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
#7  0x0000003895e7b95c in QThreadPrivate::start (arg=0x159bd10) at thread/qthread_unix.cpp:338
#8  0x000000388da07d15 in start_thread (arg=0x7f8d75bfc700) at pthread_create.c:308
#9  0x000000388d2f248d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114

Thread 1 (Thread 0x7f8d8440d880 (LWP 17200)):
[KCrash Handler]
#6  isSignalConnected (signal_index=4, this=0x0) at kernel/qobject_p.h:239
#7  QMetaObject::activate (sender=0x6caebc0, m=<optimized out>, local_signal_index=2, argv=0x7fff29b4b9e0) at kernel/qobject.cpp:3448
#8  0x00000038b4899aa7 in CalendarSupport::NepomukCalendar::deleteFinished (this=this@entry=0x6caebc0, _t1=true, _t2=...) at /usr/src/debug/kdepim-4.10.1/x86_64-redhat-linux-gnu/calendarsupport/nepomukcalendar.moc:140
#9  0x00000038b489aadc in CalendarSupport::NepomukCalendar::deleteIncidenceFinished (this=0x6caebc0, j=<optimized out>) at /usr/src/debug/kdepim-4.10.1/calendarsupport/nepomukcalendar.cpp:319
#10 0x0000003895f8ceef in QMetaObject::activate (sender=0x1336d1d0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff29b4bd80) at kernel/qobject.cpp:3539
#11 0x000000389a1341b2 in KJob::result (this=this@entry=0x1336d1d0, _t1=_t1@entry=0x1336d1d0) at /usr/src/debug/kdelibs-4.10.1/x86_64-redhat-linux-gnu/kdecore/kjob.moc:207
#12 0x000000389a1341f0 in KJob::emitResult (this=0x1336d1d0) at /usr/src/debug/kdelibs-4.10.1/kdecore/jobs/kjob.cpp:318
#13 0x0000003895f8c3ce in QObject::event (this=0x1336d1d0, e=<optimized out>) at kernel/qobject.cpp:1194
#14 0x000000389a7ca5cc in QApplicationPrivate::notify_helper (this=this@entry=0x107ea00, receiver=receiver@entry=0x1336d1d0, e=e@entry=0x2d451f0) at kernel/qapplication.cpp:4562
#15 0x000000389a7cea4a in QApplication::notify (this=0x7fff29b4ca10, receiver=0x1336d1d0, e=0x2d451f0) at kernel/qapplication.cpp:4423
#16 0x000000389ce473c6 in KApplication::notify (this=0x7fff29b4ca10, receiver=0x1336d1d0, event=0x2d451f0) at /usr/src/debug/kdelibs-4.10.1/kdeui/kernel/kapplication.cpp:311
#17 0x0000003895f77abe in QCoreApplication::notifyInternal (this=0x7fff29b4ca10, receiver=receiver@entry=0x1336d1d0, event=event@entry=0x2d451f0) at kernel/qcoreapplication.cpp:946
#18 0x0000003895f7b571 in sendEvent (event=0x2d451f0, receiver=0x1336d1d0) at kernel/qcoreapplication.h:231
#19 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0xff6210) at kernel/qcoreapplication.cpp:1570
#20 0x0000003895fa5f73 in sendPostedEvents () at kernel/qcoreapplication.h:236
#21 postEventSourceDispatch (s=s@entry=0x107c9a0) at kernel/qeventdispatcher_glib.cpp:279
#22 0x000000388fe47a55 in g_main_dispatch (context=0x106d410) at gmain.c:2715
#23 g_main_context_dispatch (context=context@entry=0x106d410) at gmain.c:3219
#24 0x000000388fe47d88 in g_main_context_iterate (context=context@entry=0x106d410, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3290
#25 0x000000388fe47e44 in g_main_context_iteration (context=0x106d410, may_block=1) at gmain.c:3351
#26 0x0000003895fa6106 in QEventDispatcherGlib::processEvents (this=0xff7af0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#27 0x000000389a86a73e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:207
#28 0x0000003895f7680f in QEventLoop::processEvents (this=this@entry=0x7fff29b4c690, flags=...) at kernel/qeventloop.cpp:149
#29 0x0000003895f76a98 in QEventLoop::exec (this=0x7fff29b4c690, flags=...) at kernel/qeventloop.cpp:204
#30 0x0000003895f7b888 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#31 0x0000000000402ded in main (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/kdepim-4.10.1/kmail/main.cpp:146

Reported using DrKonqi