--- kio-5.110.0.orig/src/ioslaves/file/file_unix.cpp
+++ kio-5.110.0/src/ioslaves/file/file_unix.cpp
@@ -328,6 +328,9 @@ inline static time_t stat_mtime(const QT
 static bool isOnCifsMount(const QString &filePath)
 {
     const auto mount = KMountPoint::currentMountPoints().findByPath(filePath);
+    if (!mount) {
+        return false;
+    }
     return mount->mountType() == QStringLiteral("cifs") || mount->mountType() == QStringLiteral("smb3");
 }