anthonyfieroni added a comment.
https://phabricator.kde.org/source/ktexteditor/browse/master/src/render/katelayoutcache.cpp;ad51cece443bc6bb643fa4ca94293a13d3c2f852$321 The problem is ```realLine >= m_renderer->doc()->lines()``` it return a nullptr. First of all https://phabricator.kde.org/source/ktexteditor/browse/master/src/render/katelayoutcache.cpp;ad51cece443bc6bb643fa4ca94293a13d3c2f852$368 should be checked against nullptr, even all other places that line(..) is used or better handling of corner case. REPOSITORY R39 KTextEditor REVISION DETAIL https://phabricator.kde.org/D6473 To: jsalatas, #ktexteditor Cc: anthonyfieroni, dhaumann, kfunk, ltoscano, kwrite-devel, #frameworks