[konsole] [Bug 423054] New: Switching to tab with opened search box will crash the console

Todor Petrov bugzilla_noreply at kde.org
Tue Jun 16 13:45:16 BST 2020 

https://bugs.kde.org/show_bug.cgi?id=423054

            Bug ID: 423054
           Summary: Switching to tab with opened search box will crash the
                    console
           Product: konsole
           Version: 19.12.3
          Platform: Ubuntu Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: konsole-devel at kde.org
          Reporter: tpetrov92 at gmail.com
  Target Milestone: ---

Application: konsole (19.12.3)

Qt Version: 5.12.8
Frameworks Version: 5.68.0
Operating System: Linux 5.4.0-37-generic x86_64
Windowing system: X11
Distribution: Ubuntu 20.04 LTS

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

I've couple of opened tabs, one or two of which got an active search window
with some simple criteria entered (i.e. only a numbers). After switching from
one tab to another the whole application has crashed. Unfortunatelly I couldn't
really remember if the target had search box opened or not. This is the second
time issue is occuring in period of 24 hours. I didn't however managed to
report it first time but the conditions tends to be similar - couple of opened
tabs, one or two of which got something entered to search for.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Konsole (konsole), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fa8a2070080 (LWP 39471))]

Thread 6 (Thread 0x7fa88edae700 (LWP 39477)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x5578ab3b18c8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5578ab3b1878,
cond=0x5578ab3b18a0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x5578ab3b18a0, mutex=0x5578ab3b1878) at
pthread_cond_wait.c:638
#3  0x00007fa8990343db in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007fa899033feb in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007fa8a4f2b609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007fa8a79b8103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fa88f5af700 (LWP 39476)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x5578ab3b18c8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5578ab3b1878,
cond=0x5578ab3b18a0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x5578ab3b18a0, mutex=0x5578ab3b1878) at
pthread_cond_wait.c:638
#3  0x00007fa8990343db in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007fa899033feb in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007fa8a4f2b609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007fa8a79b8103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fa88fdb0700 (LWP 39475)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x5578ab3b18c8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5578ab3b1878,
cond=0x5578ab3b18a0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x5578ab3b18a0, mutex=0x5578ab3b1878) at
pthread_cond_wait.c:638
#3  0x00007fa8990343db in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007fa899033feb in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007fa8a4f2b609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007fa8a79b8103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fa898886700 (LWP 39474)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x5578ab3b18c8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5578ab3b1878,
cond=0x5578ab3b18a0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x5578ab3b18a0, mutex=0x5578ab3b1878) at
pthread_cond_wait.c:638
#3  0x00007fa8990343db in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007fa899033feb in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007fa8a4f2b609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007fa8a79b8103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fa89b647700 (LWP 39473)):
#0  0x00007fa8a79ab96f in __GI___poll (fds=0x7fa8940029e0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fa8a46c71ae in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa8a46c72e3 in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa8a61af583 in QEventDispatcherGlib::processEvents
(this=0x7fa894000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fa8a61564db in QEventLoop::exec (this=this at entry=0x7fa89b646d70,
flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#5  0x00007fa8a5f8e785 in QThread::exec (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#6  0x00007fa8a56aaefa in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007fa8a5f8f9d2 in QThreadPrivate::start (arg=0x7fa8a572dd80) at
thread/qthread_unix.cpp:361
#8  0x00007fa8a4f2b609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007fa8a79b8103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fa8a2070080 (LWP 39471)):
[KCrash Handler]
#6  0x00007fa8a6048b41 in
QExplicitlySharedDataPointer<QRegularExpressionPrivate>::operator= (o=...,
this=0x28) at ../../include/QtCore/../../src/corelib/tools/qshareddata.h:199
#7  QRegularExpression::operator= (this=0x28, re=...) at
tools/qregularexpression.cpp:1480
#8  0x00007fa8a77b53d1 in ?? () from
/usr/lib/x86_64-linux-gnu/libkonsoleprivate.so.19
#9  0x00007fa8a77fe6f8 in Konsole::SessionController::beginSearch(QString
const&, Konsole::Enum::SearchDirection) () from
/usr/lib/x86_64-linux-gnu/libkonsoleprivate.so.19
#10 0x00007fa8a77febef in Konsole::SessionController::searchFrom() () from
/usr/lib/x86_64-linux-gnu/libkonsoleprivate.so.19
#11 0x00007fa8a6183458 in QtPrivate::QSlotObjectBase::call (a=0x7ffcb5b02bb0,
r=0x5578abcb1550, this=0x5578ac3548b0) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#12 QMetaObject::activate (sender=0x5578abc95510, signalOffset=<optimized out>,
local_signal_index=<optimized out>, argv=<optimized out>) at
kernel/qobject.cpp:3784
#13 0x00007fa8a6183458 in QtPrivate::QSlotObjectBase::call (a=0x7ffcb5b02d00,
r=0x5578abc95510, this=0x5578abb738d0) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#14 QMetaObject::activate (sender=0x5578ab8c5770, signalOffset=<optimized out>,
local_signal_index=<optimized out>, argv=<optimized out>) at
kernel/qobject.cpp:3784
#15 0x00007fa8a6c66806 in QAbstractButton::clicked
(this=this at entry=0x5578ab8c5770, _t1=<optimized out>) at
.moc/moc_qabstractbutton.cpp:312
#16 0x00007fa8a6c66a2e in QAbstractButtonPrivate::emitClicked
(this=0x5578abb735c0) at widgets/qabstractbutton.cpp:414
#17 0x00007fa8a6c67e73 in QAbstractButtonPrivate::click (this=0x5578abb735c0)
at widgets/qabstractbutton.cpp:407
#18 0x00007fa8a6c68035 in QAbstractButton::mouseReleaseEvent
(this=0x5578ab8c5770, e=0x7ffcb5b032b0) at widgets/qabstractbutton.cpp:1011
#19 0x00007fa8a6d5b5fe in QToolButton::mouseReleaseEvent (this=<optimized out>,
e=<optimized out>) at widgets/qtoolbutton.cpp:622
#20 0x00007fa8a6bb42b6 in QWidget::event (this=0x5578ab8c5770,
event=0x7ffcb5b032b0) at kernel/qwidget.cpp:8981
#21 0x00007fa8a6c69273 in QAbstractButton::event
(this=this at entry=0x5578ab8c5770, e=e at entry=0x7ffcb5b032b0) at
widgets/qabstractbutton.cpp:968
#22 0x00007fa8a6d5b6a8 in QToolButton::event (this=0x5578ab8c5770,
event=0x7ffcb5b032b0) at widgets/qtoolbutton.cpp:1001
#23 0x00007fa8a6b71a66 in QApplicationPrivate::notify_helper
(this=this at entry=0x5578ab2b4700, receiver=receiver at entry=0x5578ab8c5770,
e=e at entry=0x7ffcb5b032b0) at kernel/qapplication.cpp:3700
#24 0x00007fa8a6b7b343 in QApplication::notify (this=<optimized out>,
receiver=0x5578ab8c5770, e=0x7ffcb5b032b0) at kernel/qapplication.cpp:3160
#25 0x00007fa8a615793a in QCoreApplication::notifyInternal2
(receiver=0x5578ab8c5770, event=0x7ffcb5b032b0) at
../../include/QtCore/../../src/corelib/kernel/qobject.h:142
#26 0x00007fa8a6b7a457 in QApplicationPrivate::sendMouseEvent
(receiver=receiver at entry=0x5578ab8c5770, event=event at entry=0x7ffcb5b032b0,
alienWidget=alienWidget at entry=0x5578abf5d450, nativeWidget=0x5578ab36cfb0,
buttonDown=buttonDown at entry=0x7fa8a70a18d0 <qt_button_down>,
lastMouseReceiver=..., spontaneous=true, onlyDispatchEnterLeave=false) at
kernel/qapplication.cpp:2646
#27 0x00007fa8a6bd035d in QWidgetWindow::handleMouseEvent (this=0x5578ab4265c0,
event=0x7ffcb5b03730) at /usr/include/c++/9/bits/atomic_base.h:413
#28 0x00007fa8a6bd31ec in QWidgetWindow::event (event=0x7ffcb5b03730,
this=0x5578ab4265c0) at kernel/qwidgetwindow.cpp:289
#29 QWidgetWindow::event (this=0x5578ab4265c0, event=0x7ffcb5b03730) at
kernel/qwidgetwindow.cpp:232
#30 0x00007fa8a6b71a66 in QApplicationPrivate::notify_helper
(this=this at entry=0x5578ab2b4700, receiver=receiver at entry=0x5578ab4265c0,
e=e at entry=0x7ffcb5b03730) at kernel/qapplication.cpp:3700
#31 0x00007fa8a6b7b0f0 in QApplication::notify (this=0x5578ab2b39c0,
receiver=0x5578ab4265c0, e=0x7ffcb5b03730) at kernel/qapplication.cpp:3446
#32 0x00007fa8a615793a in QCoreApplication::notifyInternal2
(receiver=0x5578ab4265c0, event=0x7ffcb5b03730) at
../../include/QtCore/../../src/corelib/kernel/qobject.h:142
#33 0x00007fa8a65427d3 in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#34 0x00007fa8a654410b in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#35 0x00007fa8a651e35b in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#36 0x00007fa8a174532e in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#37 0x00007fa8a46c6fbd in g_main_context_dispatch () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007fa8a46c7240 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007fa8a46c72e3 in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007fa8a61af565 in QEventDispatcherGlib::processEvents
(this=0x5578ab32dd60, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#41 0x00007fa8a61564db in QEventLoop::exec (this=this at entry=0x7ffcb5b03ad0,
flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#42 0x00007fa8a615e246 in QCoreApplication::exec () at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#43 0x00007fa8a7abb715 in kdemain (argc=<optimized out>, argv=<optimized out>)
at ./src/main.cpp:229
#44 0x00007fa8a78bd0b3 in __libc_start_main (main=0x5578a9be3060 <main>,
argc=1, argv=0x7ffcb5b03d98, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffcb5b03d88) at ../csu/libc-start.c:308
#45 0x00005578a9be309e in _start ()
[Inferior 1 (process 39471) detached]

Possible duplicates by query: bug 360146, bug 356272, bug 333971, bug 333662,
bug 312006.

Reported using DrKonqi

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