[konsole] [Bug 510772] New: Konsole crashes when shutting down qemu VM

[Daniel Santos]

https://bugs.kde.org/show_bug.cgi?id=510772

            Bug ID: 510772
           Summary: Konsole crashes when shutting down qemu VM
    Classification: Applications
           Product: konsole
      Version First 22.12.3
       Reported In:
          Platform: Debian stable
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: konsole-devel at kde.org
          Reporter: daniel.santos at pobox.com
  Target Milestone: ---

Application: konsole (22.12.3)

Qt Version: 5.15.8
Frameworks Version: 5.103.0
Operating System: Linux 6.12.30+bpo-amd64 x86_64
Windowing System: X11
Distribution: Debian GNU/Linux 12 (bookworm)
DrKonqi: 5.27.5 [KCrashBackend]

-- Information about the crash:
Note I've selected "Debian stable", but I"m behind now and still on Bookworm.

Each time, I was running a VM in qemu. I logged on to the VM using the qemu
console (not the monitor), did a few thing and ran `sudo shutdown now & exit 0`
to start the VM shutting down and exit the shell. So I see a login prompt
again, I see the shutdown messages, and then instead of qemu exiting and
returning me to my command prompt, Konsole crashes. I've done this twice now.

The crash can be reproduced every time.

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

[KCrash Handler]
#4  0x00007f1e6c115f8e in
Konsole::Vt102Emulation::processSessionAttributeRequest(int, unsigned int) ()
from /lib/x86_64-linux-gnu/libkonsoleprivate.so.1
#5  0x00007f1e6c119567 in
Konsole::Vt102Emulation::switchState(Konsole::Vt102Emulation::ParserStates,
unsigned int) () from /lib/x86_64-linux-gnu/libkonsoleprivate.so.1
#6  0x00007f1e6c119940 in
Konsole::Vt102Emulation::receiveChars(QVector<unsigned int> const&) () from
/lib/x86_64-linux-gnu/libkonsoleprivate.so.1
#7  0x00007f1e6c0e3233 in Konsole::Emulation::receiveData(char const*, int) ()
from /lib/x86_64-linux-gnu/libkonsoleprivate.so.1
#8  0x00007f1e6aae8f8f in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f1e6c0d42d6 in Konsole::Pty::receivedData(char const*, int) () from
/lib/x86_64-linux-gnu/libkonsoleprivate.so.1
#10 0x00007f1e6c0ed3d2 in Konsole::Pty::dataReceived() () from
/lib/x86_64-linux-gnu/libkonsoleprivate.so.1
#11 0x00007f1e6aae8f8f in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f1e6bcbbfd6 in ?? () from /lib/x86_64-linux-gnu/libKF5Pty.so.5
#13 0x00007f1e6bcbc369 in ?? () from /lib/x86_64-linux-gnu/libKF5Pty.so.5
#14 0x00007f1e6aae8fbc in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f1e6aaec344 in QSocketNotifier::activated(int,
QSocketNotifier::QPrivateSignal) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f1e6aaecaee in QSocketNotifier::event(QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f1e6b762fae in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007f1e6aab1738 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f1e6ab0a3cd in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f1e68e60709 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f1e68e60998 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f1e68e60a2c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f1e6ab09876 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007f1e6aab01bb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007f1e6aab8316 in QCoreApplication::exec() () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x0000560039a72e4c in ?? ()
#27 0x00007f1e6a64524a in __libc_start_call_main
(main=main at entry=0x560039a72690, argc=argc at entry=3,
argv=argv at entry=0x7ffda123d8d8) at ../sysdeps/nptl/libc_start_call_main.h:58
#28 0x00007f1e6a645305 in __libc_start_main_impl (main=0x560039a72690, argc=3,
argv=0x7ffda123d8d8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffda123d8c8) at ../csu/libc-start.c:360
#29 0x0000560039a73301 in ?? ()
[Inferior 1 (process 3584) detached]

Reported using DrKonqi

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