[okular] [Bug 458530] Crash when trying to open certificate database

bugzilla_noreply at kde.org bugzilla_noreply at kde.org
Tue Sep 27 01:18:46 BST 2022 

https://bugs.kde.org/show_bug.cgi?id=458530

--- Comment #5 from apaulfox at gmail.com ---
The command line output is just the following:

Unable to open QuickAnnotatingTools XML definition
QWidget::repaint: Recursive repaint detected
KCrash: crashing... crashRecursionCounter = 2
KCrash: Application Name = okular path = /usr/bin pid = 48724
KCrash: Arguments: /usr/bin/okular 
KCrash: Attempting to start /usr/lib/x86_64-linux-gnu/libexec/drkonqi

[1]+  Stopped                 okular

It looks like maybe something is calling repaint() when it shouldn't be? But it
doesn't seem to be anything in the trace, so maybe a repaint is getting
triggered accidentally somewhere else, and it just isn't causing a crash until
later.

Here's a dump with a bit more information, but okularGenerator_ghostview.so
doesn't seem to have any debug symbols included in the package, and the other
missing frame is unclear what's missing:

Application: Okular (okular), signal: Segmentation fault

[New LWP 49309]
[New LWP 49313]
[New LWP 49314]
[New LWP 49315]
[New LWP 49316]
[New LWP 49317]
[New LWP 49318]
[New LWP 49319]
[New LWP 49320]
[New LWP 49321]
[New LWP 49322]
[New LWP 49323]
[New LWP 49324]
[New LWP 49325]
[New LWP 49326]
[New LWP 49327]
[New LWP 49328]
[New LWP 49330]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f0adcc9499f in __GI___poll (fds=0x7fff530bddf8, nfds=1, timeout=1000) at
../sysdeps/unix/sysv/linux/poll.c:29
__preamble__
[Current thread is 1 (Thread 0x7f0ad910a000 (LWP 49308))]

Thread 19 (Thread 0x7f0a811c5700 (LWP 49330)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f0add0266f1 in QtLinuxFutex::_q_futex (val3=0, addr2=0x0, val2=0,
val=<optimized out>, op=0, addr=<optimized out>) at thread/qfutex_p.h:133
#2  QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >
(expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:135
#3  futexSemaphoreTryAcquire_loop<false> (timeout=-1, nn=8589934593,
curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:219
#4  futexSemaphoreTryAcquire<false> (timeout=-1, n=<optimized out>, u=...) at
thread/qsemaphore.cpp:262
#5  QSemaphore::acquire (this=0x555f00799480, n=<optimized out>) at
thread/qsemaphore.cpp:326
#6  0x00007f0acde78e06 in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/okular/generators/okularGenerator_ghostview.so
#7  0x00007f0add024543 in QThreadPrivate::start (arg=0x555f00799470) at
thread/qthread_unix.cpp:330
#8  0x00007f0adc194609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f0adcca1133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f0aa0ff9700 (LWP 49328)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7f0aa0ff8b50, clockid=<optimized out>, expected=0,
futex_word=0x555f00490df0) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f0aa0ff8b50, clockid=<optimized
out>, mutex=0x555f00490da0, cond=0x555f00490dc8) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x555f00490dc8, mutex=0x555f00490da0,
abstime=0x7f0aa0ff8b50) at pthread_cond_wait.c:665
#3  0x00007f0add02a578 in QWaitConditionPrivate::wait_relative
(this=0x555f00490da0, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x555f00490da0) at
thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=this at entry=0x555f0048bb60,
mutex=mutex at entry=0x555effc4d3c8, deadline=...) at
thread/qwaitcondition_unix.cpp:225
#6  0x00007f0add027a91 in QThreadPoolThread::run (this=0x555f0048bb50) at
../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#7  0x00007f0add024543 in QThreadPrivate::start (arg=0x555f0048bb50) at
thread/qthread_unix.cpp:330
#8  0x00007f0adc194609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f0adcca1133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f0aa17fa700 (LWP 49327)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7f0aa17f9b50, clockid=<optimized out>, expected=0,
futex_word=0x555f00490904) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f0aa17f9b50, clockid=<optimized
out>, mutex=0x555f004908b0, cond=0x555f004908d8) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x555f004908d8, mutex=0x555f004908b0,
abstime=0x7f0aa17f9b50) at pthread_cond_wait.c:665
#3  0x00007f0add02a578 in QWaitConditionPrivate::wait_relative
(this=0x555f004908b0, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x555f004908b0) at
thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=this at entry=0x555f0048bb00,
mutex=mutex at entry=0x555effc4d3c8, deadline=...) at
thread/qwaitcondition_unix.cpp:225
#6  0x00007f0add027a91 in QThreadPoolThread::run (this=0x555f0048baf0) at
../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#7  0x00007f0add024543 in QThreadPrivate::start (arg=0x555f0048baf0) at
thread/qthread_unix.cpp:330
#8  0x00007f0adc194609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f0adcca1133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f0aa1ffb700 (LWP 49326)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7f0aa1ffab50, clockid=<optimized out>, expected=0,
futex_word=0x555f00490414) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f0aa1ffab50, clockid=<optimized
out>, mutex=0x555f004903c0, cond=0x555f004903e8) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x555f004903e8, mutex=0x555f004903c0,
abstime=0x7f0aa1ffab50) at pthread_cond_wait.c:665
#3  0x00007f0add02a578 in QWaitConditionPrivate::wait_relative
(this=0x555f004903c0, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x555f004903c0) at
thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=this at entry=0x555f0048bde0,
mutex=mutex at entry=0x555effc4d3c8, deadline=...) at
thread/qwaitcondition_unix.cpp:225
#6  0x00007f0add027a91 in QThreadPoolThread::run (this=0x555f0048bdd0) at
../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#7  0x00007f0add024543 in QThreadPrivate::start (arg=0x555f0048bdd0) at
thread/qthread_unix.cpp:330
#8  0x00007f0adc194609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f0adcca1133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f0aa27fc700 (LWP 49325)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7f0aa27fbb50, clockid=<optimized out>, expected=0,
futex_word=0x555f0048ff20) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f0aa27fbb50, clockid=<optimized
out>, mutex=0x555f0048fed0, cond=0x555f0048fef8) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x555f0048fef8, mutex=0x555f0048fed0,
abstime=0x7f0aa27fbb50) at pthread_cond_wait.c:665
#3  0x00007f0add02a578 in QWaitConditionPrivate::wait_relative
(this=0x555f0048fed0, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x555f0048fed0) at
thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=this at entry=0x555f0048b990,
mutex=mutex at entry=0x555effc4d3c8, deadline=...) at
thread/qwaitcondition_unix.cpp:225
#6  0x00007f0add027a91 in QThreadPoolThread::run (this=0x555f0048b980) at
../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#7  0x00007f0add024543 in QThreadPrivate::start (arg=0x555f0048b980) at
thread/qthread_unix.cpp:330
#8  0x00007f0adc194609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f0adcca1133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f0aa2ffd700 (LWP 49324)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7f0aa2ffcb50, clockid=<optimized out>, expected=0,
futex_word=0x555f0048fa30) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f0aa2ffcb50, clockid=<optimized
out>, mutex=0x555f0048f9e0, cond=0x555f0048fa08) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x555f0048fa08, mutex=0x555f0048f9e0,
abstime=0x7f0aa2ffcb50) at pthread_cond_wait.c:665
#3  0x00007f0add02a578 in QWaitConditionPrivate::wait_relative
(this=0x555f0048f9e0, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x555f0048f9e0) at
thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=this at entry=0x555f0048e970,
mutex=mutex at entry=0x555effc4d3c8, deadline=...) at
thread/qwaitcondition_unix.cpp:225
#6  0x00007f0add027a91 in QThreadPoolThread::run (this=0x555f0048e960) at
../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#7  0x00007f0add024543 in QThreadPrivate::start (arg=0x555f0048e960) at
thread/qthread_unix.cpp:330
#8  0x00007f0adc194609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f0adcca1133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f0aa37fe700 (LWP 49323)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7f0aa37fdb50, clockid=<optimized out>, expected=0,
futex_word=0x555f0048f544) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f0aa37fdb50, clockid=<optimized
out>, mutex=0x555f0048f4f0, cond=0x555f0048f518) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x555f0048f518, mutex=0x555f0048f4f0,
abstime=0x7f0aa37fdb50) at pthread_cond_wait.c:665
#3  0x00007f0add02a578 in QWaitConditionPrivate::wait_relative
(this=0x555f0048f4f0, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x555f0048f4f0) at
thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=this at entry=0x555f0048e940,
mutex=mutex at entry=0x555effc4d3c8, deadline=...) at
thread/qwaitcondition_unix.cpp:225
#6  0x00007f0add027a91 in QThreadPoolThread::run (this=0x555f0048e930) at
../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#7  0x00007f0add024543 in QThreadPrivate::start (arg=0x555f0048e930) at
thread/qthread_unix.cpp:330
#8  0x00007f0adc194609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f0adcca1133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f0aa3fff700 (LWP 49322)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7f0aa3ffeb50, clockid=<optimized out>, expected=0,
futex_word=0x555f0048f054) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f0aa3ffeb50, clockid=<optimized
out>, mutex=0x555f0048f000, cond=0x555f0048f028) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x555f0048f028, mutex=0x555f0048f000,
abstime=0x7f0aa3ffeb50) at pthread_cond_wait.c:665
#3  0x00007f0add02a578 in QWaitConditionPrivate::wait_relative
(this=0x555f0048f000, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x555f0048f000) at
thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=this at entry=0x555f0048b7d0,
mutex=mutex at entry=0x555effc4d3c8, deadline=...) at
thread/qwaitcondition_unix.cpp:225
#6  0x00007f0add027a91 in QThreadPoolThread::run (this=0x555f0048b7c0) at
../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#7  0x00007f0add024543 in QThreadPrivate::start (arg=0x555f0048b7c0) at
thread/qthread_unix.cpp:330
#8  0x00007f0adc194609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f0adcca1133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f0ab8ac4700 (LWP 49321)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7f0ab8ac3b50, clockid=<optimized out>, expected=0,
futex_word=0x555f0048eb84) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f0ab8ac3b50, clockid=<optimized
out>, mutex=0x555f0048eb30, cond=0x555f0048eb58) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x555f0048eb58, mutex=0x555f0048eb30,
abstime=0x7f0ab8ac3b50) at pthread_cond_wait.c:665
#3  0x00007f0add02a578 in QWaitConditionPrivate::wait_relative
(this=0x555f0048eb30, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x555f0048eb30) at
thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=this at entry=0x555f0048cfd0,
mutex=mutex at entry=0x555effc4d3c8, deadline=...) at
thread/qwaitcondition_unix.cpp:225
#6  0x00007f0add027a91 in QThreadPoolThread::run (this=0x555f0048cfc0) at
../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#7  0x00007f0add024543 in QThreadPrivate::start (arg=0x555f0048cfc0) at
thread/qthread_unix.cpp:330
#8  0x00007f0adc194609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f0adcca1133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f0ab92c5700 (LWP 49320)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7f0ab92c4b50, clockid=<optimized out>, expected=0,
futex_word=0x555f0048e504) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f0ab92c4b50, clockid=<optimized
out>, mutex=0x555f0048e4b0, cond=0x555f0048e4d8) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x555f0048e4d8, mutex=0x555f0048e4b0,
abstime=0x7f0ab92c4b50) at pthread_cond_wait.c:665
#3  0x00007f0add02a578 in QWaitConditionPrivate::wait_relative
(this=0x555f0048e4b0, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x555f0048e4b0) at
thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=this at entry=0x555f0048ce50,
mutex=mutex at entry=0x555effc4d3c8, deadline=...) at
thread/qwaitcondition_unix.cpp:225
#6  0x00007f0add027a91 in QThreadPoolThread::run (this=0x555f0048ce40) at
../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#7  0x00007f0add024543 in QThreadPrivate::start (arg=0x555f0048ce40) at
thread/qthread_unix.cpp:330
#8  0x00007f0adc194609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f0adcca1133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f0ab9ac6700 (LWP 49319)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7f0ab9ac5b50, clockid=<optimized out>, expected=0,
futex_word=0x555f0048e050) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f0ab9ac5b50, clockid=<optimized
out>, mutex=0x555f0048e000, cond=0x555f0048e028) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x555f0048e028, mutex=0x555f0048e000,
abstime=0x7f0ab9ac5b50) at pthread_cond_wait.c:665
#3  0x00007f0add02a578 in QWaitConditionPrivate::wait_relative
(this=0x555f0048e000, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x555f0048e000) at
thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=this at entry=0x555f0048bb30,
mutex=mutex at entry=0x555effc4d3c8, deadline=...) at
thread/qwaitcondition_unix.cpp:225
#6  0x00007f0add027a91 in QThreadPoolThread::run (this=0x555f0048bb20) at
../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#7  0x00007f0add024543 in QThreadPrivate::start (arg=0x555f0048bb20) at
thread/qthread_unix.cpp:330
#8  0x00007f0adc194609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f0adcca1133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f0acce4d700 (LWP 49318)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7f0acce4cb50, clockid=<optimized out>, expected=0,
futex_word=0x555f0048dba4) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f0acce4cb50, clockid=<optimized
out>, mutex=0x555f0048db50, cond=0x555f0048db78) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x555f0048db78, mutex=0x555f0048db50,
abstime=0x7f0acce4cb50) at pthread_cond_wait.c:665
#3  0x00007f0add02a578 in QWaitConditionPrivate::wait_relative
(this=0x555f0048db50, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x555f0048db50) at
thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=this at entry=0x555f0048bd60,
mutex=mutex at entry=0x555effc4d3c8, deadline=...) at
thread/qwaitcondition_unix.cpp:225
#6  0x00007f0add027a91 in QThreadPoolThread::run (this=0x555f0048bd50) at
../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#7  0x00007f0add024543 in QThreadPrivate::start (arg=0x555f0048bd50) at
thread/qthread_unix.cpp:330
#8  0x00007f0adc194609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f0adcca1133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f0acd64e700 (LWP 49317)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7f0acd64db50, clockid=<optimized out>, expected=0,
futex_word=0x555f003f9844) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f0acd64db50, clockid=<optimized
out>, mutex=0x555f003f97f0, cond=0x555f003f9818) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x555f003f9818, mutex=0x555f003f97f0,
abstime=0x7f0acd64db50) at pthread_cond_wait.c:665
#3  0x00007f0add02a578 in QWaitConditionPrivate::wait_relative
(this=0x555f003f97f0, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x555f003f97f0) at
thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=this at entry=0x555f0048bad0,
mutex=mutex at entry=0x555effc4d3c8, deadline=...) at
thread/qwaitcondition_unix.cpp:225
#6  0x00007f0add027a91 in QThreadPoolThread::run (this=0x555f0048bac0) at
../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#7  0x00007f0add024543 in QThreadPrivate::start (arg=0x555f0048bac0) at
thread/qthread_unix.cpp:330
#8  0x00007f0adc194609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f0adcca1133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f0ace774700 (LWP 49316)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7f0ace773b50, clockid=<optimized out>, expected=0,
futex_word=0x555f003c7ff0) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f0ace773b50, clockid=<optimized
out>, mutex=0x555f003c7fa0, cond=0x555f003c7fc8) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x555f003c7fc8, mutex=0x555f003c7fa0,
abstime=0x7f0ace773b50) at pthread_cond_wait.c:665
#3  0x00007f0add02a578 in QWaitConditionPrivate::wait_relative
(this=0x555f003c7fa0, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x555f003c7fa0) at
thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=this at entry=0x555f003c2ee0,
mutex=mutex at entry=0x555effc4d3c8, deadline=...) at
thread/qwaitcondition_unix.cpp:225
#6  0x00007f0add027a91 in QThreadPoolThread::run (this=0x555f003c2ed0) at
../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#7  0x00007f0add024543 in QThreadPrivate::start (arg=0x555f003c2ed0) at
thread/qthread_unix.cpp:330
#8  0x00007f0adc194609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f0adcca1133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f0acef75700 (LWP 49315)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7f0acef74b50, clockid=<optimized out>, expected=0,
futex_word=0x555f003c7c74) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f0acef74b50, clockid=<optimized
out>, mutex=0x555f003c7c20, cond=0x555f003c7c48) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x555f003c7c48, mutex=0x555f003c7c20,
abstime=0x7f0acef74b50) at pthread_cond_wait.c:665
#3  0x00007f0add02a578 in QWaitConditionPrivate::wait_relative
(this=0x555f003c7c20, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x555f003c7c20) at
thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=this at entry=0x555f003c7180,
mutex=mutex at entry=0x555effc4d3c8, deadline=...) at
thread/qwaitcondition_unix.cpp:225
#6  0x00007f0add027a91 in QThreadPoolThread::run (this=0x555f003c7170) at
../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#7  0x00007f0add024543 in QThreadPrivate::start (arg=0x555f003c7170) at
thread/qthread_unix.cpp:330
#8  0x00007f0adc194609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f0adcca1133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f0acf776700 (LWP 49314)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7f0acf775b50, clockid=<optimized out>, expected=0,
futex_word=0x555f003c77d4) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f0acf775b50, clockid=<optimized
out>, mutex=0x555f003c7780, cond=0x555f003c77a8) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x555f003c77a8, mutex=0x555f003c7780,
abstime=0x7f0acf775b50) at pthread_cond_wait.c:665
#3  0x00007f0add02a578 in QWaitConditionPrivate::wait_relative
(this=0x555f003c7780, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x555f003c7780) at
thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=this at entry=0x555f003c7300,
mutex=mutex at entry=0x555effc4d3c8, deadline=...) at
thread/qwaitcondition_unix.cpp:225
#6  0x00007f0add027a91 in QThreadPoolThread::run (this=0x555f003c72f0) at
../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#7  0x00007f0add024543 in QThreadPrivate::start (arg=0x555f003c72f0) at
thread/qthread_unix.cpp:330
#8  0x00007f0adc194609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f0adcca1133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f0acff77700 (LWP 49313)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7f0acff76b50, clockid=<optimized out>, expected=0,
futex_word=0x555efffabe40) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f0acff76b50, clockid=<optimized
out>, mutex=0x555efffabdf0, cond=0x555efffabe18) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x555efffabe18, mutex=0x555efffabdf0,
abstime=0x7f0acff76b50) at pthread_cond_wait.c:665
#3  0x00007f0add02a578 in QWaitConditionPrivate::wait_relative
(this=0x555efffabdf0, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4  QWaitConditionPrivate::wait (deadline=..., this=0x555efffabdf0) at
thread/qwaitcondition_unix.cpp:144
#5  QWaitCondition::wait (this=this at entry=0x555f003c7360,
mutex=mutex at entry=0x555effc4d3c8, deadline=...) at
thread/qwaitcondition_unix.cpp:225
#6  0x00007f0add027a91 in QThreadPoolThread::run (this=0x555f003c7350) at
../../include/QtCore/../../src/corelib/thread/qmutex.h:275
#7  0x00007f0add024543 in QThreadPrivate::start (arg=0x555f003c7350) at
thread/qthread_unix.cpp:330
#8  0x00007f0adc194609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9  0x00007f0adcca1133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f0ad830e700 (LWP 49309)):
#0  0x00007f0adcc9499f in __GI___poll (fds=0x7f0ad00053c0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f0adb77b36e in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x7f0ad00053c0, timeout=<optimized out>, context=0x7f0ad0001ce0)
at ../../../glib/gmain.c:4346
#2  g_main_context_iterate (context=context at entry=0x7f0ad0001ce0,
block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at
../../../glib/gmain.c:4042
#3  0x00007f0adb77b4a3 in g_main_context_iteration (context=0x7f0ad0001ce0,
may_block=may_block at entry=1) at ../../../glib/gmain.c:4108
#4  0x00007f0add265b9b in QEventDispatcherGlib::processEvents
(this=0x7f0ad0000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f0add209b3b in QEventLoop::exec (this=this at entry=0x7f0ad830dbb0,
flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007f0add023342 in QThread::exec (this=this at entry=0x7f0add54bd80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f0add4c7f4b in QDBusConnectionManager::run (this=0x7f0add54bd80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
qdbusconnection.cpp:179
#8  0x00007f0add024543 in QThreadPrivate::start (arg=0x7f0add54bd80 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread_unix.cpp:330
#9  0x00007f0adc194609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f0adcca1133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f0ad910a000 (LWP 49308)):
[KCrash Handler]
#4  0x0000555f008cfb50 in ?? ()
#5  0x00007f0adddca9fd in QWidgetPrivate::drawWidget (this=0x555f007f6850,
pdev=0x555f00852e00, rgn=..., offset=..., flags=..., sharedPainter=<optimized
out>, repaintManager=<optimized out>) at kernel/qwidget.cpp:5432
#6  0x00007f0adddcbd93 in QWidgetPrivate::paintSiblingsRecursive
(this=this at entry=0x555f008171c0, pdev=pdev at entry=0x555f00852e00, siblings=...,
index=<optimized out>, rgn=..., offset=..., flags=..., sharedPainter=0x0,
repaintManager=0x555f007b7ed0) at
../../include/QtCore/../../src/corelib/tools/qpoint.h:124
#7  0x00007f0adddca6ac in QWidgetPrivate::drawWidget (this=0x555f008171c0,
pdev=0x555f00852e00, rgn=..., offset=..., flags=..., sharedPainter=<optimized
out>, repaintManager=<optimized out>) at
../../include/QtCore/../../src/corelib/tools/qlist.h:176
#8  0x00007f0adddcbd93 in QWidgetPrivate::paintSiblingsRecursive
(this=this at entry=0x555efffbbd90, pdev=pdev at entry=0x555f00852e00, siblings=...,
index=<optimized out>, rgn=..., offset=..., flags=..., sharedPainter=0x0,
repaintManager=0x555f007b7ed0) at
../../include/QtCore/../../src/corelib/tools/qpoint.h:124
#9  0x00007f0adddca6ac in QWidgetPrivate::drawWidget (this=0x555efffbbd90,
pdev=0x555f00852e00, rgn=..., offset=..., flags=..., sharedPainter=<optimized
out>, repaintManager=<optimized out>) at
../../include/QtCore/../../src/corelib/tools/qlist.h:176
#10 0x00007f0adddcbd93 in QWidgetPrivate::paintSiblingsRecursive
(this=this at entry=0x555f00816df0, pdev=pdev at entry=0x555f00852e00, siblings=...,
index=<optimized out>, rgn=..., offset=..., flags=..., sharedPainter=0x0,
repaintManager=0x555f007b7ed0) at
../../include/QtCore/../../src/corelib/tools/qpoint.h:124
#11 0x00007f0adddca6ac in QWidgetPrivate::drawWidget (this=0x555f00816df0,
pdev=0x555f00852e00, rgn=..., offset=..., flags=..., sharedPainter=<optimized
out>, repaintManager=<optimized out>) at
../../include/QtCore/../../src/corelib/tools/qlist.h:176
#12 0x00007f0adddcbd93 in QWidgetPrivate::paintSiblingsRecursive
(this=this at entry=0x555f005ed410, pdev=pdev at entry=0x555f00852e00, siblings=...,
index=<optimized out>, rgn=..., offset=..., flags=..., sharedPainter=0x0,
repaintManager=0x555f007b7ed0) at
../../include/QtCore/../../src/corelib/tools/qpoint.h:124
#13 0x00007f0adddca6ac in QWidgetPrivate::drawWidget (this=0x555f005ed410,
pdev=0x555f00852e00, rgn=..., offset=..., flags=..., sharedPainter=<optimized
out>, repaintManager=<optimized out>) at
../../include/QtCore/../../src/corelib/tools/qlist.h:176
#14 0x00007f0adddcbd93 in QWidgetPrivate::paintSiblingsRecursive
(this=0x555f007074c0, pdev=0x555f00852e00, siblings=..., index=<optimized out>,
rgn=..., offset=..., flags=..., sharedPainter=0x0,
repaintManager=0x555f007b7ed0) at
../../include/QtCore/../../src/corelib/tools/qpoint.h:124
#15 0x00007f0adddcbc76 in QWidgetPrivate::paintSiblingsRecursive
(this=0x555f007074c0, pdev=0x555f00852e00, siblings=..., index=1, rgn=...,
offset=..., flags=..., sharedPainter=0x0, repaintManager=0x555f007b7ed0) at
kernel/qwidget.cpp:5585
#16 0x00007f0adddcbc76 in QWidgetPrivate::paintSiblingsRecursive
(this=0x555f007074c0, pdev=0x555f00852e00, siblings=..., index=3, rgn=...,
offset=..., flags=..., sharedPainter=0x0, repaintManager=0x555f007b7ed0) at
kernel/qwidget.cpp:5585
#17 0x00007f0adddcbc76 in QWidgetPrivate::paintSiblingsRecursive
(this=this at entry=0x555f007074c0, pdev=pdev at entry=0x555f00852e00, siblings=...,
index=4, rgn=..., offset=..., flags=..., sharedPainter=0x0,
repaintManager=0x555f007b7ed0) at kernel/qwidget.cpp:5585
#18 0x00007f0adddca6ac in QWidgetPrivate::drawWidget (this=0x555f007074c0,
pdev=0x555f00852e00, rgn=..., offset=..., flags=..., sharedPainter=<optimized
out>, repaintManager=<optimized out>) at
../../include/QtCore/../../src/corelib/tools/qlist.h:176
#19 0x00007f0adddcbd93 in QWidgetPrivate::paintSiblingsRecursive
(this=this at entry=0x555f005b3700, pdev=pdev at entry=0x555f00852e00, siblings=...,
index=<optimized out>, rgn=..., offset=..., flags=..., sharedPainter=0x0,
repaintManager=0x555f007b7ed0) at
../../include/QtCore/../../src/corelib/tools/qpoint.h:124
#20 0x00007f0adddca6ac in QWidgetPrivate::drawWidget (this=0x555f005b3700,
pdev=0x555f00852e00, rgn=..., offset=..., flags=..., sharedPainter=<optimized
out>, repaintManager=<optimized out>) at
../../include/QtCore/../../src/corelib/tools/qlist.h:176
#21 0x00007f0addda1729 in QWidgetRepaintManager::paintAndFlush
(this=this at entry=0x555f007b7ed0) at
../../include/QtCore/../../src/corelib/tools/qpoint.h:122
#22 0x00007f0addda21c4 in QWidgetRepaintManager::sync (this=0x555f007b7ed0) at
kernel/qwidgetrepaintmanager.cpp:770
#23 0x00007f0adddcb835 in QWidgetPrivate::syncBackingStore
(this=0x555f005b3700) at kernel/qwidget.cpp:1756
#24 0x00007f0adddd27ac in QWidget::event (this=0x555f007121a0,
event=0x7f0ac80085b0) at kernel/qwidget.cpp:8979
#25 0x00007f0addd8ee43 in QApplicationPrivate::notify_helper (this=<optimized
out>, receiver=0x555f007121a0, e=0x7f0ac80085b0) at
kernel/qapplication.cpp:3637
#26 0x00007f0addd97c58 in QApplication::notify(QObject*, QEvent*) () at
kernel/qapplication.cpp:3161
#27 0x00007f0add20b03a in QCoreApplication::notifyInternal2
(receiver=0x555f007121a0, event=0x7f0ac80085b0) at
../../include/QtCore/5.15.6/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:332
#28 0x00007f0add20d941 in QCoreApplicationPrivate::sendPostedEvents
(receiver=0x0, event_type=0, data=0x555eff9a73e0) at
kernel/qcoreapplication.cpp:1821
#29 0x00007f0add266527 in postEventSourceDispatch (s=0x555effac9700) at
kernel/qeventdispatcher_glib.cpp:277
#30 0x00007f0adb77b17d in g_main_dispatch (context=0x7f0ad0005000) at
../../../glib/gmain.c:3309
#31 g_main_context_dispatch (context=context at entry=0x7f0ad0005000) at
../../../glib/gmain.c:3974
#32 0x00007f0adb77b400 in g_main_context_iterate
(context=context at entry=0x7f0ad0005000, block=block at entry=1,
dispatch=dispatch at entry=1, self=<optimized out>) at ../../../glib/gmain.c:4047
#33 0x00007f0adb77b4a3 in g_main_context_iteration (context=0x7f0ad0005000,
may_block=may_block at entry=1) at ../../../glib/gmain.c:4108
#34 0x00007f0add265b82 in QEventDispatcherGlib::processEvents
(this=0x555effad65c0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#35 0x00007f0add209b3b in QEventLoop::exec (this=this at entry=0x7fff530c07f0,
flags=..., flags at entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#36 0x00007f0add211ce4 in QCoreApplication::exec () at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#37 0x0000555efea93cba in main (argc=<optimized out>, argv=<optimized out>) at
./shell/main.cpp:102
[Inferior 1 (process 49308) detached]

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