Application: calligrasheets (2.9.11)
KDE Platform Version: 4.14.22
Qt Version: 4.8.7
Operating System: Linux 4.8.0-37-generic x86_64
Distribution: Ubuntu 16.10

-- Information about the crash:
I inserted a row, then began typing a formula in one of the new cells.

-- Backtrace:
Application: Calligra Sheets (calligrasheets), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f041c9d9900 (LWP 5968))]

Thread 3 (Thread 0x7f03f54ce700 (LWP 6017)):
#0  __libc_enable_asynccancel () at ../sysdeps/unix/sysv/linux/x86_64/cancellation.S:67
#1  0x00007f041c3e50b2 in poll () at ../sysdeps/unix/syscall-template.S:84
#2  0x00007f04172c39d6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f04172c3aec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f041aae022e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007f041aaae12f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007f041aaae495 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007f041a99d549 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x00007f041aa8e1c3 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9  0x00007f041a99fe3c in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#10 0x00007f04177ad6ca in start_thread (arg=0x7f03f54ce700) at pthread_create.c:333
#11 0x00007f041c3f10af in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 2 (Thread 0x7f03f83eb700 (LWP 5981)):
#0  0x00007f0417309029 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f04172c2a04 in g_main_context_release () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f04172c398a in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f04172c3aec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f041aae022e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007f041aaae12f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007f041aaae495 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007f041a99d549 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x00007f041aa8e1c3 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9  0x00007f041a99fe3c in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#10 0x00007f04177ad6ca in start_thread (arg=0x7f03f83eb700) at pthread_create.c:333
#11 0x00007f041c3f10af in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 1 (Thread 0x7f041c9d9900 (LWP 5968)):
[KCrash Handler]
#6  0x0000000000000021 in ?? ()
#7  0x00007f04073d55bf in Calligra::Sheets::StyleStorage::invalidateCache() () from /usr/lib/libcalligrasheetsodf.so.14
#8  0x00007f0407370c38 in Calligra::Sheets::Map::handleDamages(QList<Calligra::Sheets::Damage*> const&) () from /usr/lib/libcalligrasheetsodf.so.14
#9  0x00007f041aac3f70 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#10 0x00007f040736c422 in Calligra::Sheets::Map::damagesFlushed(QList<Calligra::Sheets::Damage*> const&) () from /usr/lib/libcalligrasheetsodf.so.14
#11 0x00007f040736c4bc in Calligra::Sheets::Map::flushDamages() () from /usr/lib/libcalligrasheetsodf.so.14
#12 0x00007f041aac9d11 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#13 0x00007f041b4bd03c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#14 0x00007f041b4c3f76 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#15 0x00007f041c0380d5 in KoApplication::notify(QObject*, QEvent*) () from /usr/lib/libkomain.so.14
#16 0x00007f041aaaf8ad in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#17 0x00007f041aab3366 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#18 0x00007f041aae009e in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#19 0x00007f04172c37d7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f04172c3a40 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f04172c3aec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f041aae020e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#23 0x00007f041b56a666 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#24 0x00007f041aaae12f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#25 0x00007f041aaae495 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#26 0x00007f041aab4459 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#27 0x00007f041c6b24d5 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_calligrasheets.so
#28 0x00007f041c3093f1 in __libc_start_main (main=0x561be93d2770, argc=2, argv=0x7ffce7f44608, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffce7f445f8) at ../csu/libc-start.c:291
#29 0x0000561be93d27aa in _start ()

Possible duplicates by query: bug 374407, bug 373743, bug 371910.

Reported using DrKonqi