[kde] [Bug 374043] New: Konsole crashes when scrolling output from a program?

[John Haxby]

https://bugs.kde.org/show_bug.cgi?id=374043

            Bug ID: 374043
           Summary: Konsole crashes when scrolling output from a program?
           Product: kde
           Version: unspecified
          Platform: unspecified
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: john.haxby at oracle.com
  Target Milestone: ---

Application: kdeinit5 (16.08.3)

Qt Version: 5.7.1
Frameworks Version: 5.27.0
Operating System: Linux 4.8.14-300.fc25.x86_64 x86_64
Distribution: "Fedora release 25 (Twenty Five)"

-- Information about the crash:
- What I was doing when the application crashed:

I had a process running in a window which periodically scrolled.   I wasn't
typing at the time, but this is the third or fourth time today on F25 that this
has happened :(

-- Backtrace:
Application: Konsole (kdeinit5), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fdc8ae8c8c0 (LWP 24902))]

Thread 3 (Thread 0x7fdc67327700 (LWP 24904)):
#0  0x00007fdc8845700d in poll () from /lib64/libc.so.6
#1  0x00007fdc83d3c156 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#2  0x00007fdc83d3c26c in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#3  0x00007fdc8925d73b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#4  0x00007fdc8920e73a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#5  0x00007fdc8906b5f3 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007fdc8af4d739 in QDBusConnectionManager::run() () from
/lib64/libQt5DBus.so.5
#7  0x00007fdc8906f9da in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#8  0x00007fdc87c9e6ca in start_thread () from /lib64/libpthread.so.0
#9  0x00007fdc88462f6f in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7fdc6ccfb700 (LWP 24903)):
#0  0x00007fdc8845700d in poll () from /lib64/libc.so.6
#1  0x00007fdc8a1b3d10 in _xcb_conn_wait () from /lib64/libxcb.so.1
#2  0x00007fdc8a1b5aa9 in xcb_wait_for_event () from /lib64/libxcb.so.1
#3  0x00007fdc70b8ad69 in QXcbEventReader::run() () from
/lib64/libQt5XcbQpa.so.5
#4  0x00007fdc8906f9da in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#5  0x00007fdc87c9e6ca in start_thread () from /lib64/libpthread.so.0
#6  0x00007fdc88462f6f in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fdc8ae8c8c0 (LWP 24902)):
[KCrash Handler]
#6  0x00007fdc796ba373 in
Konsole::CompactHistoryScroll::addCellsVector(QVector<Konsole::Character>
const&) () from /lib64/libkonsoleprivate.so.16
#7  0x00007fdc796e44e2 in Konsole::Screen::addHistLine() () from
/lib64/libkonsoleprivate.so.16
#8  0x00007fdc796e5554 in Konsole::Screen::scrollUp(int) () from
/lib64/libkonsoleprivate.so.16
#9  0x00007fdc7972df43 in Konsole::Vt102Emulation::processToken(int, int, int)
() from /lib64/libkonsoleprivate.so.16
#10 0x00007fdc796b4cbd in Konsole::Emulation::receiveData(char const*, int) ()
from /lib64/libkonsoleprivate.so.16
#11 0x00007fdc89236ae6 in QMetaObject::activate(QObject*, int, int, void**) ()
from /lib64/libQt5Core.so.5
#12 0x00007fdc7973196d in Konsole::Pty::receivedData(char const*, int) () from
/lib64/libkonsoleprivate.so.16
#13 0x00007fdc796e040b in Konsole::Pty::dataReceived() () from
/lib64/libkonsoleprivate.so.16
#14 0x00007fdc89236ae6 in QMetaObject::activate(QObject*, int, int, void**) ()
from /lib64/libQt5Core.so.5
#15 0x00007fdc7861d7c2 in KPtyDevicePrivate::_k_canRead() () from
/lib64/libKF5Pty.so.5
#16 0x00007fdc7861dcd9 in KPtyDevice::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) () from /lib64/libKF5Pty.so.5
#17 0x00007fdc892367b1 in QMetaObject::activate(QObject*, int, int, void**) ()
from /lib64/libQt5Core.so.5
#18 0x00007fdc892a674e in QSocketNotifier::activated(int,
QSocketNotifier::QPrivateSignal) () from /lib64/libQt5Core.so.5
#19 0x00007fdc892428c2 in QSocketNotifier::event(QEvent*) () from
/lib64/libQt5Core.so.5
#20 0x00007fdc89a4fecc in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib64/libQt5Widgets.so.5
#21 0x00007fdc89a57671 in QApplication::notify(QObject*, QEvent*) () from
/lib64/libQt5Widgets.so.5
#22 0x00007fdc8920f7aa in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib64/libQt5Core.so.5
#23 0x00007fdc8925e04f in socketNotifierSourceDispatch(_GSource*, int
(*)(void*), void*) () from /lib64/libQt5Core.so.5
#24 0x00007fdc83d3be42 in g_main_context_dispatch () from
/lib64/libglib-2.0.so.0
#25 0x00007fdc83d3c1c0 in g_main_context_iterate.isra () from
/lib64/libglib-2.0.so.0
#26 0x00007fdc83d3c26c in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#27 0x00007fdc8925d71f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#28 0x00007fdc8920e73a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#29 0x00007fdc8921623c in QCoreApplication::exec() () from
/lib64/libQt5Core.so.5
#30 0x00007fdc799a9973 in kdemain () from /lib64/libkdeinit5_konsole.so
#31 0x00005568a45a9f87 in launch(int, char const*, char const*, char const*,
int, char const*, bool, char const*, bool, char const*) ()
#32 0x00005568a45ab137 in handle_launcher_request(int, char const*) [clone
.isra.26] ()
#33 0x00005568a45aba47 in handle_requests(int) ()
#34 0x00005568a45a6a0e in main ()

Reported using DrKonqi

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