From f00ed7738de8216cfe8fa30519ea495dc18cf024 Mon Sep 17 00:00:00 2001
From: Levi Neely <lneely@pascom.net>
Date: Fri, 31 Jul 2026 16:34:33 +0200
Subject: [PATCH] kate: fix crash in onSessionKilled

QTextDocument::setHtml was called while the document was still
tearing down from clear(). Defer refreshSessions to the next
event loop iteration with QTimer::singleShot(0, ...).
---
 kate/ollie_kate.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/kate/ollie_kate.cpp b/kate/ollie_kate.cpp
index a104be0..fa7b219 100644
--- a/kate/ollie_kate.cpp
+++ b/kate/ollie_kate.cpp
@@ -28,6 +28,7 @@
 #include <QFileInfo>
 #include <QInputDialog>
 #include <QScrollBar>
+#include <QTimer>
 #include <QCheckBox>
 #include <QSet>
 #include <QFormLayout>
@@ -524,7 +525,10 @@ void OllieKateView::onSessionKilled(const QString &session_id)
         m_chatView->clear();
         m_sessionLabel->setText("No session");
         m_cwdLabel->setText("");
-        refreshSessions();
+        // Defer session switch to let Qt finish processing the D-Bus signal.
+        // Calling render() synchronously here can crash because the QTextDocument
+        // is still tearing down resources from the clear() above.
+        QTimer::singleShot(0, this, &OllieKateView::refreshSessions);
     }
 }