[Konsole-devel] [Bug 301442] New: Konsole crashed while scrolling back through an unlimited size scrollback buffer.

[agander at gmail.com]

https://bugs.kde.org/show_bug.cgi?id=301442

            Bug ID: 301442
          Severity: crash
           Version: 2.8.3
          Priority: NOR
          Assignee: konsole-devel at kde.org
           Summary: Konsole crashed while scrolling back through an
                    unlimited size scrollback buffer.
    Classification: Unclassified
                OS: Linux
          Reporter: agander at gmail.com
          Hardware: Fedora RPMs
            Status: UNCONFIRMED
         Component: general
           Product: konsole

Application: konsole (2.8.3)
KDE Platform Version: 4.8.3 (4.8.3)
Qt Version: 4.8.2
Operating System: Linux 3.3.7-1.fc16.x86_64 x86_64
Distribution: "Fedora release 16 (Verne)"

-- Information about the crash:
- What I was doing when the application crashed: Scrolling back through an
unlimited size scrollback buffer.

- Custom settings of the application: Scrollback buffer size: unlimited

The crash can be reproduced some of the time.

-- Backtrace:
Application: Konsole (konsole), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
82    T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[KCrash Handler]
#6  0x000000300348457f in Konsole::Screen::fillWithDefaultChar
(dest=0xfffffffa0fb5fc00, count=<optimized out>) at
/usr/src/debug/konsole-4.8.3/src/Screen.cpp:1412
#7  0x0000003003486dd6 in Konsole::ScreenWindow::getImage (this=0x1758290) at
/usr/src/debug/konsole-4.8.3/src/ScreenWindow.cpp:79
#8  0x00000030034ac4ba in Konsole::TerminalDisplay::updateImage
(this=0x16e4840) at /usr/src/debug/konsole-4.8.3/src/TerminalDisplay.cpp:953
#9  0x000000300058e191 in QMetaObject::activate (sender=0x16e4e30, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x7fffa7d1cd00) at
kernel/qobject.cpp:3547
#10 0x000000300124cd2e in QAbstractSlider::valueChanged (this=<optimized out>,
_t1=270) at .moc/release-shared/moc_qabstractslider.cpp:195
#11 0x0000003000f926be in QAbstractSliderPrivate::scrollByDelta
(this=0x16e4e60, orientation=<optimized out>, modifiers=<optimized out>,
delta=<optimized out>) at widgets/qabstractslider.cpp:748
#12 0x0000003001020f96 in QScrollBar::event (this=0x16e4e30,
event=0x7fffa7d1d5a0) at widgets/qscrollbar.cpp:537
#13 0x00000030034a9ce0 in wheelEvent (ev=0x7fffa7d1d5a0, this=0x16e4840) at
/usr/src/debug/konsole-4.8.3/src/TerminalDisplay.cpp:2401
#14 Konsole::TerminalDisplay::wheelEvent (this=0x16e4840, ev=0x7fffa7d1d5a0) at
/usr/src/debug/konsole-4.8.3/src/TerminalDisplay.cpp:2374
#15 0x0000003000c1a794 in QWidget::event (this=0x16e4840, event=0x7fffa7d1d5a0)
at kernel/qwidget.cpp:8379
#16 0x00000030034aaa18 in event (event=0x7fffa7d1d5a0, this=0x16e4840) at
/usr/src/debug/konsole-4.8.3/src/TerminalDisplay.cpp:2810
#17 Konsole::TerminalDisplay::event (this=0x16e4840, event=0x7fffa7d1d5a0) at
/usr/src/debug/konsole-4.8.3/src/TerminalDisplay.cpp:2795
#18 0x0000003000bc9ae4 in notify_helper (e=0x7fffa7d1d5a0, receiver=0x16e4840,
this=0x147f450) at kernel/qapplication.cpp:4551
#19 QApplicationPrivate::notify_helper (this=0x147f450, receiver=0x16e4840,
e=0x7fffa7d1d5a0) at kernel/qapplication.cpp:4523
#20 0x0000003000bcf30c in QApplication::notify (this=<optimized out>,
receiver=0x16e4840, e=0x7fffa7d1d5a0) at kernel/qapplication.cpp:4149
#21 0x0000003006651ff6 in KApplication::notify (this=0x7fffa7d1e3d0,
receiver=0x16e4840, event=0x7fffa7d1d5a0) at
/usr/src/debug/kdelibs-4.8.3/kdeui/kernel/kapplication.cpp:311
#22 0x000000300057a48c in QCoreApplication::notifyInternal
(this=0x7fffa7d1e3d0, receiver=0x16e4840, event=0x7fffa7d1d5a0) at
kernel/qcoreapplication.cpp:915
#23 0x0000003000c36542 in sendSpontaneousEvent (event=0x7fffa7d1d5a0,
receiver=0x16e4840) at ../../src/corelib/kernel/qcoreapplication.h:234
#24 QETWidget::translateWheelEvent (this=<optimized out>, global_x=<optimized
out>, global_y=<optimized out>, delta=-120, buttons=..., modifiers=...,
orient=Qt::Vertical) at kernel/qapplication_x11.cpp:4561
#25 0x0000003000c4655d in QETWidget::translateMouseEvent (this=0x15afa40,
event=0x7fffa7d1df90) at kernel/qapplication_x11.cpp:4338
#26 0x0000003000c451aa in QApplication::x11ProcessEvent (this=0x7fffa7d1e3d0,
event=0x7fffa7d1df90) at kernel/qapplication_x11.cpp:3646
#27 0x0000003000c6cb2c in x11EventSourceDispatch (s=0x14831a0, callback=0,
user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:148
#28 0x0000003bed644f3d in g_main_dispatch (context=0x1481600) at gmain.c:2441
#29 g_main_context_dispatch (context=0x1481600) at gmain.c:3011
#30 0x0000003bed645738 in g_main_context_iterate (context=0x1481600,
block=<optimized out>, dispatch=1, self=<optimized out>) at gmain.c:3089
#31 0x0000003bed64590c in g_main_context_iteration (context=0x1481600,
may_block=1) at gmain.c:3152
#32 0x00000030005a91df in QEventDispatcherGlib::processEvents (this=0x1446ee0,
flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#33 0x0000003000c6c81e in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=<optimized out>) at
kernel/qguieventdispatcher_glib.cpp:207
#34 0x0000003000579312 in QEventLoop::processEvents (this=<optimized out>,
flags=...) at kernel/qeventloop.cpp:149
#35 0x0000003000579567 in QEventLoop::exec (this=0x7fffa7d1e360, flags=...) at
kernel/qeventloop.cpp:204
#36 0x000000300057e225 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1187
#37 0x0000003001814232 in kdemain (argc=5, argv=0x7fffa7d1e628) at
/usr/src/debug/konsole-4.8.3/src/main.cpp:88
#38 0x0000003beba2169d in __libc_start_main (main=0x400780 <main(int, char**)>,
argc=5, ubp_av=0x7fffa7d1e628, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fffa7d1e618) at libc-start.c:226
#39 0x00000000004007b1 in _start ()

This bug may be a duplicate of or related to bug 293149.

Possible duplicates by query: bug 293149, bug 278903.

Reported using DrKonqi

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