[konsole] [Bug 440045] New: Konsole crash while executing many (~10000) verbose curl requests

[bugzilla_noreply at kde.org]

https://bugs.kde.org/show_bug.cgi?id=440045

            Bug ID: 440045
           Summary: Konsole crash while executing many (~10000) verbose
                    curl requests
           Product: konsole
           Version: 20.08.2
          Platform: Ubuntu Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: konsole-devel at kde.org
          Reporter: rainer+kdebugs at 7val.com
  Target Milestone: ---

Application: konsole (20.08.2)

Qt Version: 5.14.2
Frameworks Version: 5.74.0
Operating System: Linux 5.8.0-55-generic x86_64
Windowing system: X11
Distribution: Ubuntu 20.10

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

for j in {1..100}; do curl -v -H 'X-forwarded-for: 48.74.15.90'  $(for i in
{1..100}; do echo http://httpbin.org/status/302" -H "accept: text/plain";
done); done

with an nginx/openresty container processing those requests and printing logs
in another, partially covered konsole window.

I believe I may have switched focus/uncovered one of the windows or clicked
into one before konsole crashed.

-- Backtrace:
Application: Konsole (konsole), signal: Segmentation fault

[KCrash Handler]
#4  0x00007f5371c6950a in Konsole::Screen::copyFromHistory
(this=this at entry=0x559e4d6db430, dest=dest at entry=0x559e4d53b150,
startLine=startLine at entry=82750, count=count at entry=38) at ./src/Screen.cpp:492
#5  0x00007f5371c69738 in Konsole::Screen::getImage
(this=this at entry=0x559e4d6db430, dest=0x559e4d53b150, size=size at entry=6612,
startLine=82750, endLine=endLine at entry=82787) at ./src/Screen.cpp:543
#6  0x00007f5371c6c6df in Konsole::ScreenWindow::getImage (this=0x559e4bd09f60)
at /usr/include/x86_64-linux-gnu/qt5/QtCore/qglobal.h:665
#7  0x00007f5371c98e5c in Konsole::TerminalDisplay::updateImage
(this=0x559e4cc4d1b0) at /usr/include/c++/10/bits/atomic_base.h:420
#8  0x00007f53706222e6 in QtPrivate::QSlotObjectBase::call (a=0x7ffd78738550,
r=0x559e4cc4d1b0, this=0x559e4d617060) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#9  doActivate<false> (sender=0x559e4bd09f60, signal_index=3,
argv=0x7ffd78738550) at kernel/qobject.cpp:3870
#10 0x00007f53706222e6 in QtPrivate::QSlotObjectBase::call (a=0x7ffd78738630,
r=0x559e4bd09f60, this=0x559e4d616f40) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#11 doActivate<false> (sender=0x559e4ccb0e20, signal_index=12,
argv=0x7ffd78738630, argv at entry=0x0) at kernel/qobject.cpp:3870
#12 0x00007f537061c068 in QMetaObject::activate
(sender=sender at entry=0x559e4ccb0e20, m=m at entry=0x7f5371d0a400
<Konsole::Emulation::staticMetaObject>,
local_signal_index=local_signal_index at entry=9, argv=argv at entry=0x0) at
kernel/qobject.cpp:3930
#13 0x00007f5371c06347 in Konsole::Emulation::outputChanged
(this=this at entry=0x559e4ccb0e20) at
./obj-x86_64-linux-gnu/src/konsoleprivate_autogen/EWIEGA46WW/moc_Emulation.cpp:524
#14 0x00007f5371c3ac22 in Konsole::Emulation::showBulk (this=0x559e4ccb0e20) at
./src/Emulation.cpp:278
#15 0x00007f53706222e6 in QtPrivate::QSlotObjectBase::call (a=0x7ffd78738780,
r=0x559e4ccb0e20, this=0x559e4c522920) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#16 doActivate<false> (sender=0x559e4ccb0e90, signal_index=3,
argv=argv at entry=0x7ffd78738780) at kernel/qobject.cpp:3870
#17 0x00007f537061c068 in QMetaObject::activate (sender=<optimized out>,
m=m at entry=0x7f5370878300 <QTimer::staticMetaObject>,
local_signal_index=local_signal_index at entry=0, argv=argv at entry=0x7ffd78738780)
at kernel/qobject.cpp:3930
#18 0x00007f5370625e2e in QTimer::timeout (this=<optimized out>, _t1=...) at
.moc/moc_qtimer.cpp:205
#19 0x00007f537061858f in QObject::event (this=0x559e4ccb0e90,
e=0x7ffd787388f0) at kernel/qobject.cpp:1316
#20 0x00007f53710a4013 in QApplicationPrivate::notify_helper (this=<optimized
out>, receiver=0x559e4ccb0e90, e=0x7ffd787388f0) at
kernel/qapplication.cpp:3685
#21 0x00007f53705ec1ca in QCoreApplication::notifyInternal2
(receiver=0x559e4ccb0e90, event=0x7ffd787388f0) at
../../include/QtCore/../../src/corelib/kernel/qobject.h:153
#22 0x00007f5370642b73 in QTimerInfoList::activateTimers (this=0x559e4bcd3b80)
at kernel/qtimerinfo_unix.cpp:643
#23 0x00007f53706434b4 in timerSourceDispatch (source=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:183
#24 idleTimerSourceDispatch (source=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:230
#25 0x00007f536ebe962b in g_main_dispatch (context=0x7f5364005000) at
../../../glib/gmain.c:3325
#26 g_main_context_dispatch (context=0x7f5364005000) at
../../../glib/gmain.c:4016
#27 0x00007f536ebe98d8 in g_main_context_iterate
(context=context at entry=0x7f5364005000, block=block at entry=1,
dispatch=dispatch at entry=1, self=<optimized out>) at ../../../glib/gmain.c:4092
#28 0x00007f536ebe99a3 in g_main_context_iteration (context=0x7f5364005000,
may_block=may_block at entry=1) at ../../../glib/gmain.c:4157
#29 0x00007f5370643843 in QEventDispatcherGlib::processEvents
(this=0x559e4bd371e0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#30 0x00007f53705eaa4b in QEventLoop::exec (this=this at entry=0x7ffd78738b30,
flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:136
#31 0x00007f53705f2fc6 in QCoreApplication::exec () at
../../include/QtCore/../../src/corelib/global/qflags.h:118
#32 0x00007f5371f2486f in kdemain () from
/usr/lib/x86_64-linux-gnu/libkdeinit5_konsole.so
#33 0x00007f5371d37cb2 in __libc_start_main (main=0x559e4a6cc060, argc=1,
argv=0x7ffd78738e08, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffd78738df8) at ../csu/libc-start.c:314
#34 0x0000559e4a6cc09e in _start ()
[Inferior 1 (process 70869) detached]

Possible duplicates by query: bug 436327, bug 392694, bug 373662, bug 333610,
bug 323889.

Reported using DrKonqi

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