Application: cantor (21.08.1)

Qt Version: 5.15.3
Frameworks Version: 5.85.0
Operating System: Linux 5.11.0-34-generic x86_64
Windowing System: X11
Drkonqi Version: 5.22.5
Distribution: KDE neon User Edition 5.22

-- Information about the crash:
- What I was doing when the application crashed:
I was launching Cantor an it crashes every time before annything shows up.

The crash can be reproduced every time.

-- Backtrace:
Application: Cantor (cantor), signal: Aborted

[New LWP 11889]
[New LWP 11890]
[New LWP 11891]
[New LWP 11892]
[New LWP 11893]
[New LWP 11894]
[New LWP 11907]
[New LWP 11909]
[New LWP 11910]
[New LWP 11915]
[New LWP 11916]
[New LWP 11917]
[New LWP 11918]
[New LWP 11919]
[New LWP 11920]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007faaa1d66aff in __GI___poll (fds=0x7ffe74d582b8, nfds=1, timeout=1000) at ../sysdeps/unix/sysv/linux/poll.c:29
[Current thread is 1 (Thread 0x7faa94bec200 (LWP 11888))]

Thread 16 (Thread 0x7faa33fff700 (LWP 11920)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ab4612fee4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55ab4612fe90, cond=0x55ab4612feb8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55ab4612feb8, mutex=0x55ab4612fe90) at pthread_cond_wait.c:638
#3  0x00007faaa211659b in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007faaa300a18a in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#5  0x00007faaa211042c in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007faaa0c1c609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#7  0x00007faaa1d73293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7faa38ff9700 (LWP 11919)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7faa38ff8188) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7faa38ff8138, cond=0x7faa38ff8160) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7faa38ff8160, mutex=0x7faa38ff8138) at pthread_cond_wait.c:638
#3  0x00007faaa69ba0ab in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x0000000000000000 in ?? ()

Thread 14 (Thread 0x7faa397fa700 (LWP 11918)):
#0  __lll_lock_wait_private (futex=0x7faaa1e3f4b0 <_IO_stdfile_2_lock>) at ./lowlevellock.c:35
#1  0x00007faaa1cce1f6 in buffered_vfprintf (s=s@entry=0x7faaa1e3d5c0 <_IO_2_1_stderr_>, format=format@entry=0x7faaa0a1a258 "[%s] %s\n", args=args@entry=0x7faa397f8b10, mode_flags=mode_flags@entry=2) at vfprintf-internal.c:2381
#2  0x00007faaa1ccaea4 in __vfprintf_internal (s=0x7faaa1e3d5c0 <_IO_2_1_stderr_>, format=0x7faaa0a1a258 "[%s] %s\n", ap=ap@entry=0x7faa397f8b10, mode_flags=2) at vfprintf-internal.c:1346
#3  0x00007faaa1d821b3 in ___fprintf_chk (fp=<optimized out>, flag=<optimized out>, format=<optimized out>) at fprintf_chk.c:33
#4  0x00007faaa0a00b36 in event_logv_ () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#5  0x00007faaa0a00d09 in event_warn () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#6  0x00007faaa0a02768 in ?? () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#7  0x00007faaa09f8625 in event_base_loop () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#8  0x00007faaa69c9947 in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007faa14002510 in ?? ()
#10 0x0001000000000000 in ?? ()
#11 0x00007faa397f9220 in ?? ()
#12 0x00007faa397f9218 in ?? ()
#13 0x00007faa397f92d8 in ?? ()
#14 0x00007faa14002510 in ?? ()
#15 0x00007faa397f9370 in ?? ()
#16 0x00007faaa1cee419 in __GI___libc_malloc (bytes=140369085829728) at malloc.c:3066
#17 0x0000000000000001 in ?? ()
#18 0x7fffffffffffffff in ?? ()
#19 0x00007faa397f9370 in ?? ()
#20 0x00007faa397f9290 in ?? ()
#21 0x00007faaa698069c in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#22 0x0000000000000000 in ?? ()

Thread 13 (Thread 0x7faa39ffb700 (LWP 11917)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7faa39ffa188) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7faa39ffa138, cond=0x7faa39ffa160) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7faa39ffa160, mutex=0x7faa39ffa138) at pthread_cond_wait.c:638
#3  0x00007faaa69ba0ab in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007faa39ffa158 in ?? ()
#5  0x00007faaa69714db in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00000000000054c4 in ?? ()
#7  0x0000000003f07e01 in ?? ()
#8  0x0000000000000000 in ?? ()

Thread 12 (Thread 0x7faa3a7fc700 (LWP 11916)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7faa3a7fb188) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7faa3a7fb138, cond=0x7faa3a7fb160) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7faa3a7fb160, mutex=0x7faa3a7fb138) at pthread_cond_wait.c:638
#3  0x00007faaa69ba0ab in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x0000000000000000 in ?? ()

Thread 11 (Thread 0x7faa3affd700 (LWP 11915)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ab45f514a8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55ab45f513e8, cond=0x55ab45f51480) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55ab45f51480, mutex=0x55ab45f513e8) at pthread_cond_wait.c:638
#3  0x00007faaa69ba0ab in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007faa28000b60 in ?? ()
#5  0x00007faa50001c30 in ?? ()
#6  0x00007faa3affc3c0 in ?? ()
#7  0x00007faaa69a17c1 in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x0000000000000000 in ?? ()

Thread 10 (Thread 0x7faa75ffb700 (LWP 11910)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7faa75ffa0b0, clockid=<optimized out>, expected=0, futex_word=0x7faa75ffa288) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7faa75ffa0b0, clockid=<optimized out>, mutex=0x7faa75ffa238, cond=0x7faa75ffa260) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7faa75ffa260, mutex=0x7faa75ffa238, abstime=0x7faa75ffa0b0) at pthread_cond_wait.c:656
#3  0x00007faaa69ba20a in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x0000000000005541 in ?? ()
#5  0x00000000294bd337 in ?? ()
#6  0x0000000000005520 in ?? ()
#7  0x00000000294bd337 in ?? ()
#8  0x00007faa48001d88 in ?? ()
#9  0xe75c0a1d5ec6b500 in ?? ()
#10 0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7faa767fc700 (LWP 11909)):
#0  __lll_lock_wait_private (futex=0x7faaa1e3f4b0 <_IO_stdfile_2_lock>) at ./lowlevellock.c:35
#1  0x00007faaa1cce1f6 in buffered_vfprintf (s=s@entry=0x7faaa1e3d5c0 <_IO_2_1_stderr_>, format=format@entry=0x7faaa0a1a258 "[%s] %s\n", args=args@entry=0x7faa767faad0, mode_flags=mode_flags@entry=2) at vfprintf-internal.c:2381
#2  0x00007faaa1ccaea4 in __vfprintf_internal (s=0x7faaa1e3d5c0 <_IO_2_1_stderr_>, format=0x7faaa0a1a258 "[%s] %s\n", ap=ap@entry=0x7faa767faad0, mode_flags=2) at vfprintf-internal.c:1346
#3  0x00007faaa1d821b3 in ___fprintf_chk (fp=<optimized out>, flag=<optimized out>, format=<optimized out>) at fprintf_chk.c:33
#4  0x00007faaa0a00b36 in event_logv_ () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#5  0x00007faaa0a00d09 in event_warn () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#6  0x00007faaa0a02768 in ?? () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#7  0x00007faaa09f8625 in event_base_loop () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#8  0x00007faaa69c9947 in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007faa767fb310 in ?? ()
#10 0x0001000000000000 in ?? ()
#11 0x00007faa767fb1e0 in ?? ()
#12 0x00007faa767fb1d8 in ?? ()
#13 0x00007faa767fb298 in ?? ()
#14 0x00007faa767fb310 in ?? ()
#15 0x00007faa767fb370 in ?? ()
#16 0x00007faaa1cee419 in __GI___libc_malloc (bytes=140370109248032) at malloc.c:3066
#17 0x0000000000000001 in ?? ()
#18 0x7fffffffffffffff in ?? ()
#19 0x00007faa767fb370 in ?? ()
#20 0x00007faa767fb250 in ?? ()
#21 0x00007faaa698069c in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#22 0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7faa777fe700 (LWP 11907)):
#0  __GI___libc_write (nbytes=39, buf=0x7faa777fa530, fd=2) at ../sysdeps/unix/sysv/linux/write.c:26
#1  __GI___libc_write (fd=2, buf=0x7faa777fa530, nbytes=39) at ../sysdeps/unix/sysv/linux/write.c:24
#2  0x00007faaa1ce300d in _IO_new_file_write (f=0x7faaa1e3d5c0 <_IO_2_1_stderr_>, data=0x7faa777fa530, n=39) at fileops.c:1176
#3  0x00007faaa1ce3928 in new_do_write (to_do=<optimized out>, data=0x7faa777fa530 "[warn] epoll_wait: Bad file descriptor\n", fp=0x7faaa1e3d5c0 <_IO_2_1_stderr_>) at libioP.h:948
#4  _IO_new_file_xsputn (n=39, data=<optimized out>, f=<optimized out>) at fileops.c:1255
#5  _IO_new_file_xsputn (f=0x7faaa1e3d5c0 <_IO_2_1_stderr_>, data=<optimized out>, n=39) at fileops.c:1197
#6  0x00007faaa1cce0d3 in buffered_vfprintf (s=s@entry=0x7faaa1e3d5c0 <_IO_2_1_stderr_>, format=format@entry=0x7faaa0a1a258 "[%s] %s\n", args=args@entry=0x7faa777fcaf0, mode_flags=mode_flags@entry=2) at ../libio/libioP.h:948
#7  0x00007faaa1ccaea4 in __vfprintf_internal (s=0x7faaa1e3d5c0 <_IO_2_1_stderr_>, format=0x7faaa0a1a258 "[%s] %s\n", ap=ap@entry=0x7faa777fcaf0, mode_flags=2) at vfprintf-internal.c:1346
#8  0x00007faaa1d821b3 in ___fprintf_chk (fp=<optimized out>, flag=<optimized out>, format=<optimized out>) at fprintf_chk.c:33
#9  0x00007faaa0a00b36 in event_logv_ () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#10 0x00007faaa0a00d09 in event_warn () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#11 0x00007faaa0a02768 in ?? () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#12 0x00007faaa09f8625 in event_base_loop () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#13 0x00007faaa69c9918 in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007faa4c002510 in ?? ()
#15 0x0001000000000000 in ?? ()
#16 0x00007faa777fd200 in ?? ()
#17 0x00007faa777fd1f8 in ?? ()
#18 0x00007faa777fd2b8 in ?? ()
#19 0x00000000cc9186b6 in ?? ()
#20 0x0000000000000d68 in ?? ()
#21 0x0000000000015cb6 in ?? ()
#22 0x00007faaabdf4d20 in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#23 0x000055ab45e3e280 in ?? ()
#24 0x7fffffffffffffff in ?? ()
#25 0x0000000000000001 in ?? ()
#26 0x7fffffffffffffff in ?? ()
#27 0x00007faa777fd370 in ?? ()
#28 0x00007faa777fd270 in ?? ()
#29 0x00007faaa698069c in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#30 0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7faa8a7fc700 (LWP 11894)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ab45cf91d8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55ab45cf9188, cond=0x55ab45cf91b0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55ab45cf91b0, mutex=0x55ab45cf9188) at pthread_cond_wait.c:638
#3  0x00007faa9083ce7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007faa9083ca7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007faaa0c1c609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007faaa1d73293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7faa8affd700 (LWP 11893)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ab45cf91d8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55ab45cf9188, cond=0x55ab45cf91b0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55ab45cf91b0, mutex=0x55ab45cf9188) at pthread_cond_wait.c:638
#3  0x00007faa9083ce7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007faa9083ca7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007faaa0c1c609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007faaa1d73293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7faa8b7fe700 (LWP 11892)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ab45cf91d8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55ab45cf9188, cond=0x55ab45cf91b0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55ab45cf91b0, mutex=0x55ab45cf9188) at pthread_cond_wait.c:638
#3  0x00007faa9083ce7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007faa9083ca7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007faaa0c1c609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007faaa1d73293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7faa8bfff700 (LWP 11891)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55ab45cf91d8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55ab45cf9188, cond=0x55ab45cf91b0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55ab45cf91b0, mutex=0x55ab45cf9188) at pthread_cond_wait.c:638
#3  0x00007faa9083ce7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007faa9083ca7b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007faaa0c1c609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007faaa1d73293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7faa93523700 (LWP 11890)):
#0  0x00007faaa1d66aff in __GI___poll (fds=0x7faa84005240, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007faa9d33336e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007faa9d3334a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007faaa23515eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007faaa22f587b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007faaa210f292 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007faa9dd68f4b in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007faaa211042c in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007faaa0c1c609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007faaa1d73293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7faa9429d700 (LWP 11889)):
#0  0x00007faaa1d66aff in __GI___poll (fds=0x7faa9429c2a8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007faa9e999c1a in ?? () from /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007faa9e99b90a in xcb_wait_for_event () from /lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007faa947c6e88 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007faaa211042c in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007faaa0c1c609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007faaa1d73293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7faa94bec200 (LWP 11888)):
[KCrash Handler]
#4  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#5  0x00007faaa1c76859 in __GI_abort () at abort.c:79
#6  0x00007faa9cfb8989 in gmallocn (checkoverflow=false, size=8, count=-1) at ./goo/gmem.h:110
#7  StitchingFunction::StitchingFunction (this=0x55ab46068e50, func=0x55ab4600a900) at ./poppler/Function.cc:764
#8  0x00007faa9d016d06 in StitchingFunction::copy (this=0x55ab4600a900) at ./poppler/Function.h:200
#9  0x00007faa7c1ee3c4 in MathFunction::setArgumentDefinition (this=this@entry=0x55ab4600a900, index=<optimized out>, index@entry=1, argdef=argdef@entry=0x55ab4600aa90) at Function.cc:434
#10 0x00007faa7c38d593 in IdentityFunction::IdentityFunction (this=0x55ab4600a900) at BuiltinFunctions.cc:280
#11 0x00007faa7c2014a0 in Calculator::addBuiltinFunctions (this=0x55ab4648dcb0) at Calculator.cc:1433
#12 0x00007faa7c2102b7 in Calculator::Calculator (this=0x55ab4648dcb0) at Calculator.cc:510
#13 0x00007faa880ba1ad in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/cantor/backends/cantor_qalculatebackend.so
#14 0x00007faa880b86c6 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/cantor/backends/cantor_qalculatebackend.so
#15 0x00007faa38760bb1 in Worksheet::initSession (this=0x55ab46140b20, backend=<optimized out>) at ./src/worksheet.cpp:1530
#16 0x00007faa38762c71 in Worksheet::Worksheet (this=0x55ab46140b20, backend=0x55ab46001230, parent=<optimized out>, useDefaultWorksheetParameters=<optimized out>) at ./src/worksheet.cpp:70
#17 0x00007faa3874dadc in CantorPart::CantorPart (this=0x55ab460d5a80, parentWidget=0x55ab45dcd850, parent=<optimized out>, args=..., __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at ./src/cantor_part.cpp:127
#18 0x00007faa38753d06 in KPluginFactory::createPartInstance<CantorPart> (parentWidget=0x55ab45dcd850, parent=0x55ab45dcd850, args=...) at /usr/include/KF5/KCoreAddons/kpluginfactory.h:730
#19 0x00007faaa33db462 in KPluginFactory::create (this=this@entry=0x55ab45f758a0, iface=0x7faaa38bf298 "KParts::ReadWritePart", parentWidget=parentWidget@entry=0x55ab45dcd850, parent=parent@entry=0x55ab45dcd850, args=..., keyword=...) at ./src/lib/plugin/kpluginfactory.cpp:177
#20 0x000055ab45006cd0 in KPluginFactory::create<KParts::ReadWritePart> (args=..., parent=0x55ab45dcd850, this=0x55ab45f758a0) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobject.h:153
#21 CantorShell::addWorksheet (this=0x55ab45b5f290, backendName=...) at ./src/cantor.cpp:352
#22 0x000055ab450085e2 in CantorShell::addWorksheet (this=0x55ab45b5f290) at ./src/cantor.cpp:281
#23 0x000055ab44ffe1dd in main (argc=<optimized out>, argv=<optimized out>) at ./src/main.cpp:119
[Inferior 1 (process 11888) detached]

Possible duplicates by query: bug 440777, bug 440257, bug 429344, bug 427384, bug 424911.

Reported using DrKonqi