Thread 1 "sftp.so" received signal SIGABRT, Aborted.
0x00007fc66502386b in raise () from /usr/lib/libc.so.6
(gdb) bt
#0  0x00007fc66502386b in raise () from /usr/lib/libc.so.6
#1  0x00007fc66500e40e in abort () from /usr/lib/libc.so.6
#2  0x00007fc665d5f33c in QMessageLogger::fatal(char const*, ...) const () from /usr/lib/libQt5Core.so.5
#3  0x00007fc665d5e768 in qt_assert(char const*, char const*, int) () from /usr/lib/libQt5Core.so.5
#4  0x00007fc65d11a43b in KIO::UDSEntryPrivate::insert (this=0x558070dfdaf0, udsField=33554445, value=16384) at /home/kotelnik/kde/src/frameworks/kio/src/core/udsentry.cpp:106
#5  0x00007fc65d11c483 in KIO::UDSEntry::insert (this=0x7ffd28e0dfe0, field=33554445, value=16384) at /home/kotelnik/kde/src/frameworks/kio/src/core/udsentry.cpp:398
#6  0x00007fc654587371 in sftpProtocol::listDir (this=0x7ffd28e0e1e0, url=...) at /home/kotelnik/kde/src/kde/kdenetwork/kio-extras/sftp/kio_sftp.cpp:1878
#7  0x00007fc65d0b69e1 in KIO::SlaveBase::dispatch (this=0x7ffd28e0e1e0, command=71, data=...) at /home/kotelnik/kde/src/frameworks/kio/src/core/slavebase.cpp:1224
#8  0x00007fc65d0b232a in KIO::SlaveBase::dispatchLoop (this=0x7ffd28e0e1e0) at /home/kotelnik/kde/src/frameworks/kio/src/core/slavebase.cpp:346
#9  0x00007fc65457b8ca in kdemain (argc=4, argv=0x558070d99ee0) at /home/kotelnik/kde/src/kde/kdenetwork/kio-extras/sftp/kio_sftp.cpp:72
#10 0x000055807057bc53 in launch (argc=4, _name=0x558070d9a408 "/home/kotelnik/kde/usr/lib64/plugins/kf5/kio/sftp.so", args=0x558070d9a4a9 "", cwd=0x0, envc=0, envs=0x558070d9a4b1 "", reset_env=false, 
    tty=0x0, avoid_loops=false, startup_id_str=0x55807058344b "0") at /home/kotelnik/kde/src/frameworks/kinit/src/kdeinit/kinit.cpp:705
#11 0x000055807057ce9b in handle_launcher_request (sock=7, who=0x5580705836dc "launcher") at /home/kotelnik/kde/src/frameworks/kinit/src/kdeinit/kinit.cpp:1145
#12 0x000055807057d7ea in handle_requests (waitForPid=0) at /home/kotelnik/kde/src/frameworks/kinit/src/kdeinit/kinit.cpp:1338
#13 0x000055807057eebd in main (argc=1, argv=0x7ffd28e0e918) at /home/kotelnik/kde/src/frameworks/kinit/src/kdeinit/kinit.cpp:1784