Arch Linux

Description:
When adding a certain investment transaction, kmymoney crashes with segmentation fault.

Additional info:
* package version(s)
kmymoney 5.0.4-1
qt5-base 5.13.0-7
kcoreaddons 5.60.0-1

* config and/or log files etc.
==29496== Process terminating with default action of signal 11 (SIGSEGV): dumping core
==29496== Access not within mapped region at address 0x0
==29496== at 0x4B27137: InstitutionsModel::slotObjectModified(eMyMoney::File::Object, QString const&) (in /usr/lib/libkmm_models.so.5.0.4)
==29496== by 0x6992B6F: QMetaObject::activate(QObject*, int, int, void**) (in /usr/lib/libQt5Core.so.5.13.0)
==29496== by 0x4C494A6: MyMoneyFile::objectModified(eMyMoney::File::Object, QString const&) (in /usr/lib/libkmm_mymoney.so.5.0.4)
==29496== by 0x4C574BC: MyMoneyFile::commitTransaction() (in /usr/lib/libkmm_mymoney.so.5.0.4)
==29496== by 0x4C5769E: MyMoneyFileTransaction::commit() (in /usr/lib/libkmm_mymoney.so.5.0.4)
==29496== by 0x39C7AE: ??? (in /usr/bin/kmymoney)
==29496== by 0x20DDCF: ??? (in /usr/bin/kmymoney)
==29496== by 0x6992B6F: QMetaObject::activate(QObject*, int, int, void**) (in /usr/lib/libQt5Core.so.5.13.0)
==29496== by 0x5708E92: QAction::triggered(bool) (in /usr/lib/libQt5Widgets.so.5.13.0)
==29496== by 0x570B623: QAction::activate(QAction::ActionEvent) (in /usr/lib/libQt5Widgets.so.5.13.0)
==29496== by 0x5809C2C: ??? (in /usr/lib/libQt5Widgets.so.5.13.0)
==29496== by 0x5809E55: QAbstractButton::mouseReleaseEvent(QMouseEvent*) (in /usr/lib/libQt5Widgets.so.5.13.0)
==29496== If you believe this happened as a result of a stack
==29496== overflow in your program's main thread (unlikely but
==29496== possible), you can try to increase the size of the
==29496== main thread stack using the --main-stacksize= flag.
==29496== The main thread stack size used in this run was 8388608.


* link to upstream bug report, if any

Steps to reproduce:
Operation specific.