Bug 408577

Application: gwenview (19.04.2)

Qt Version: 5.12.3
Frameworks Version: 5.59.0
Operating System: Linux 4.18.0-21-generic x86_64
Distribution: KDE neon User Edition 5.16

-- Information about the crash:
Emergency program termination when opening a file folder.

The crash can be reproduced every time.

-- Backtrace:
Application: Gwenview (gwenview), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f8b707a48c0 (LWP 3750))]

Thread 19 (Thread 0x7f8b177fe700 (LWP 3769)):
#0  0x00007f8b6575e9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558a6ccea020) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x558a6cce9fd0, cond=0x558a6cce9ff8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x558a6cce9ff8, mutex=0x558a6cce9fd0) at pthread_cond_wait.c:655
#3  0x00007f8b41454e6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f8b41454b97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f8b657586db in start_thread (arg=0x7f8b177fe700) at pthread_create.c:463
#6  0x00007f8b6b60288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f8b1cff9700 (LWP 3768)):
#0  0x00007f8b6575e9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558a6c84f3e8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x558a6c84f398, cond=0x558a6c84f3c0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x558a6c84f3c0, mutex=0x558a6c84f398) at pthread_cond_wait.c:655
#3  0x00007f8b41454e6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f8b41454b97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f8b657586db in start_thread (arg=0x7f8b1cff9700) at pthread_create.c:463
#6  0x00007f8b6b60288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f8b1d7fa700 (LWP 3767)):
#0  0x00007f8b6575e9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558a6c84f3e8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x558a6c84f398, cond=0x558a6c84f3c0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x558a6c84f3c0, mutex=0x558a6c84f398) at pthread_cond_wait.c:655
#3  0x00007f8b41454e6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f8b41454b97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f8b657586db in start_thread (arg=0x7f8b1d7fa700) at pthread_create.c:463
#6  0x00007f8b6b60288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f8b1dffb700 (LWP 3766)):
#0  0x00007f8b6575e9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558a6c84f3e8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x558a6c84f398, cond=0x558a6c84f3c0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x558a6c84f3c0, mutex=0x558a6c84f398) at pthread_cond_wait.c:655
#3  0x00007f8b41454e6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f8b41454b97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f8b657586db in start_thread (arg=0x7f8b1dffb700) at pthread_create.c:463
#6  0x00007f8b6b60288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f8b1e7fc700 (LWP 3765)):
#0  0x00007f8b6575e9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558a6c84f3e8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x558a6c84f398, cond=0x558a6c84f3c0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x558a6c84f3c0, mutex=0x558a6c84f398) at pthread_cond_wait.c:655
#3  0x00007f8b41454e6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f8b41454b97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f8b657586db in start_thread (arg=0x7f8b1e7fc700) at pthread_create.c:463
#6  0x00007f8b6b60288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f8b1effd700 (LWP 3764)):
#0  0x00007f8b6575e9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558a6c84ee68) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x558a6c84ee18, cond=0x558a6c84ee40) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x558a6c84ee40, mutex=0x558a6c84ee18) at pthread_cond_wait.c:655
#3  0x00007f8b41454e6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f8b41454b97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f8b657586db in start_thread (arg=0x7f8b1effd700) at pthread_create.c:463
#6  0x00007f8b6b60288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f8b1f7fe700 (LWP 3763)):
#0  0x00007f8b6575e9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558a6c84ee68) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x558a6c84ee18, cond=0x558a6c84ee40) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x558a6c84ee40, mutex=0x558a6c84ee18) at pthread_cond_wait.c:655
#3  0x00007f8b41454e6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f8b41454b97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f8b657586db in start_thread (arg=0x7f8b1f7fe700) at pthread_create.c:463
#6  0x00007f8b6b60288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f8b17fff700 (LWP 3762)):
#0  0x00007f8b6575e9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558a6c84ee68) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x558a6c84ee18, cond=0x558a6c84ee40) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x558a6c84ee40, mutex=0x558a6c84ee18) at pthread_cond_wait.c:655
#3  0x00007f8b41454e6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f8b41454b97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f8b657586db in start_thread (arg=0x7f8b17fff700) at pthread_create.c:463
#6  0x00007f8b6b60288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f8b1ffff700 (LWP 3761)):
#0  0x00007f8b6575e9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558a6c84ee68) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x558a6c84ee18, cond=0x558a6c84ee40) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x558a6c84ee40, mutex=0x558a6c84ee18) at pthread_cond_wait.c:655
#3  0x00007f8b41454e6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f8b41454b97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f8b657586db in start_thread (arg=0x7f8b1ffff700) at pthread_create.c:463
#6  0x00007f8b6b60288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f8b38d42700 (LWP 3760)):
#0  0x00007f8b6575e9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558a6c84ee68) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x558a6c84ee18, cond=0x558a6c84ee40) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x558a6c84ee40, mutex=0x558a6c84ee18) at pthread_cond_wait.c:655
#3  0x00007f8b41454e6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f8b41454b97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f8b657586db in start_thread (arg=0x7f8b38d42700) at pthread_create.c:463
#6  0x00007f8b6b60288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f8b39543700 (LWP 3759)):
#0  0x00007f8b6575e9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558a6c84ee68) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x558a6c84ee18, cond=0x558a6c84ee40) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x558a6c84ee40, mutex=0x558a6c84ee18) at pthread_cond_wait.c:655
#3  0x00007f8b41454e6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f8b41454b97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f8b657586db in start_thread (arg=0x7f8b39543700) at pthread_create.c:463
#6  0x00007f8b6b60288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f8b39d44700 (LWP 3758)):
#0  0x00007f8b6575e9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558a6c84ee68) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x558a6c84ee18, cond=0x558a6c84ee40) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x558a6c84ee40, mutex=0x558a6c84ee18) at pthread_cond_wait.c:655
#3  0x00007f8b41454e6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f8b41454b97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f8b657586db in start_thread (arg=0x7f8b39d44700) at pthread_create.c:463
#6  0x00007f8b6b60288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f8b3a545700 (LWP 3757)):
#0  0x00007f8b6575e9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558a6c84ee68) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x558a6c84ee18, cond=0x558a6c84ee40) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x558a6c84ee40, mutex=0x558a6c84ee18) at pthread_cond_wait.c:655
#3  0x00007f8b41454e6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f8b41454b97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f8b657586db in start_thread (arg=0x7f8b3a545700) at pthread_create.c:463
#6  0x00007f8b6b60288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f8b3ad46700 (LWP 3756)):
#0  0x00007f8b6575e9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558a6c84ee68) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x558a6c84ee18, cond=0x558a6c84ee40) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x558a6c84ee40, mutex=0x558a6c84ee18) at pthread_cond_wait.c:655
#3  0x00007f8b41454e6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f8b41454b97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f8b657586db in start_thread (arg=0x7f8b3ad46700) at pthread_create.c:463
#6  0x00007f8b6b60288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f8b3b547700 (LWP 3755)):
#0  0x00007f8b6575e9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558a6c6c9b18) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x558a6c6c9ac8, cond=0x558a6c6c9af0) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x558a6c6c9af0, mutex=0x558a6c6c9ac8) at pthread_cond_wait.c:655
#3  0x00007f8b41454e6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f8b41454b97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f8b657586db in start_thread (arg=0x7f8b3b547700) at pthread_create.c:463
#6  0x00007f8b6b60288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f8b3c370700 (LWP 3754)):
#0  0x00007f8b6575e9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558a6c84bb9c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x558a6c84bb48, cond=0x558a6c84bb70) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x558a6c84bb70, mutex=0x558a6c84bb48) at pthread_cond_wait.c:655
#3  0x00007f8b41454e6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f8b41454b97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f8b657586db in start_thread (arg=0x7f8b3c370700) at pthread_create.c:463
#6  0x00007f8b6b60288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f8b50e11700 (LWP 3753)):
#0  0x00007f8b6b5f10b4 in __GI___libc_read (fd=7, buf=0x7f8b50e10aa0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f8b63c98000 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f8b63c52fb7 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f8b63c53470 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f8b63c535dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f8b6bf38dcb in QEventDispatcherGlib::processEvents (this=0x7f8b44000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x00007f8b6beda03a in QEventLoop::exec (this=this@entry=0x7f8b50e10cb0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#7  0x00007f8b6bd014ca in QThread::exec (this=<optimized out>) at thread/qthread.cpp:531
#8  0x00007f8b6a585015 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#9  0x00007f8b6bd02c72 in QThreadPrivate::start (arg=0x7f8b6a7fcd80) at thread/qthread_unix.cpp:361
#10 0x00007f8b657586db in start_thread (arg=0x7f8b50e11700) at pthread_create.c:463
#11 0x00007f8b6b60288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f8b53cf1700 (LWP 3752)):
#0  0x00007f8b6b5f5bf9 in __GI___poll (fds=0x7f8b53cf0be8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f8b639ea747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f8b639ec36a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f8b568a6578 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f8b6bd02c72 in QThreadPrivate::start (arg=0x558a6c525f20) at thread/qthread_unix.cpp:361
#5  0x00007f8b657586db in start_thread (arg=0x7f8b53cf1700) at pthread_create.c:463
#6  0x00007f8b6b60288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f8b707a48c0 (LWP 3750)):
[KCrash Handler]
#6  0x00007f8b69cd90ad in Exiv2::ExifData::findKey(Exiv2::ExifKey const&) const () from /usr/lib/x86_64-linux-gnu/libexiv2.so.26
#7  0x00007f8b69d1d496 in Exiv2::Internal::PentaxMakerNote::printShutterCount(std::ostream&, Exiv2::Value const&, Exiv2::ExifData const*) () from /usr/lib/x86_64-linux-gnu/libexiv2.so.26
#8  0x00007f8b69cd7957 in Exiv2::Exifdatum::write(std::ostream&, Exiv2::ExifData const*) const () from /usr/lib/x86_64-linux-gnu/libexiv2.so.26
#9  0x00007f8b6fe428bf in Exiv2::operator<< (md=..., os=...) at /usr/include/exiv2/metadatum.hpp:305
#10 Gwenview::ImageMetaInfoModelPrivate::fillExivGroup<Exiv2::ExifData, std::_List_const_iterator<Exiv2::Exifdatum> > (this=0x558a6d406ac0, parent=..., group=group@entry=0x558a6d44f7d0, container=...) at ./lib/imagemetainfomodel.cpp:282
#11 0x00007f8b6fe3e1e1 in Gwenview::ImageMetaInfoModel::setExiv2Image (this=<optimized out>, image=0x7f8ae8009a00) at ./lib/imagemetainfomodel.cpp:442
#12 0x00007f8b6fdebfbc in Gwenview::Document::setExiv2Image (this=0x558a6dec13b0, image=std::unique_ptr<Exiv2::Image> = {...}) at ./lib/document/document.cpp:397
#13 0x00007f8b6fdeadd2 in Gwenview::AbstractDocumentImpl::setDocumentExiv2Image (this=this@entry=0x558a6d1355c0, image=std::unique_ptr<Exiv2::Image> = {...}) at ./lib/document/abstractdocumentimpl.cpp:83
#14 0x00007f8b6fdfbb21 in Gwenview::LoadingDocumentImpl::slotMetaInfoLoaded (this=0x558a6d1355c0) at ./lib/document/loadingdocumentimpl.cpp:492
#15 0x00007f8b6bf0b98f in QtPrivate::QSlotObjectBase::call (a=0x7ffcb8247770, r=0x558a6d1355c0, this=0x558a6d4324e0) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#16 QMetaObject::activate (sender=0x558a6d8bd418, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3776
#17 0x00007f8b6bd0eaf3 in QFutureWatcherBase::event (this=<optimized out>, event=0x7f8ae800cab0) at thread/qfuturewatcher.cpp:334
#18 0x00007f8b6d6c865c in QApplicationPrivate::notify_helper (this=this@entry=0x558a6c4ff490, receiver=receiver@entry=0x558a6d8bd418, e=e@entry=0x7f8ae800cab0) at kernel/qapplication.cpp:3736
#19 0x00007f8b6d6cfb90 in QApplication::notify (this=0x7ffcb8247e10, receiver=0x558a6d8bd418, e=0x7f8ae800cab0) at kernel/qapplication.cpp:3483
#20 0x00007f8b6bedbd18 in QCoreApplication::notifyInternal2 (receiver=0x558a6d8bd418, event=0x7f8ae800cab0) at kernel/qcoreapplication.cpp:1060
#21 0x00007f8b6bedbeee in QCoreApplication::sendEvent (receiver=<optimized out>, event=event@entry=0x7f8ae800cab0) at kernel/qcoreapplication.cpp:1450
#22 0x00007f8b6bede8d7 in QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x558a6c4f4f50) at kernel/qcoreapplication.cpp:1799
#23 0x00007f8b6bedee78 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1653
#24 0x00007f8b6bf39793 in postEventSourceDispatch (s=0x558a6c55e680) at kernel/qeventdispatcher_glib.cpp:276
#25 0x00007f8b63c53317 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f8b63c53550 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#27 0x00007f8b63c535dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007f8b6bf38daf in QEventDispatcherGlib::processEvents (this=0x558a6c56cc80, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#29 0x00007f8b6beda03a in QEventLoop::exec (this=this@entry=0x7ffcb8247d10, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#30 0x00007f8b6bee3170 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1363
#31 0x0000558a6bad97d1 in main (argc=<optimized out>, argv=<optimized out>) at ./app/main.cpp:163

Possible duplicates by query: bug 404546, bug 403615, bug 400952.

Reported using DrKonqi