https://bugs.kde.org/show_bug.cgi?id=417171

            Bug ID: 417171
           Summary: gwenview occasionally crashes after opening any image
           Product: gwenview
           Version: 19.12.1
          Platform: openSUSE RPMs
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: gwenview-bugs-n...@kde.org
          Reporter: benjamin.hieb...@outlook.com
  Target Milestone: ---

Application: gwenview (19.12.1)

Qt Version: 5.14.1
Frameworks Version: 5.66.0
Operating System: Linux 5.5.1-1.g00d5697-default x86_64
Windowing system: X11
Distribution: "openSUSE Tumbleweed"

-- Information about the crash:
I was trying to open a .jpg from dolphin and occasionally it will lock up after
opening and not display anything inside the window borders.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Gwenview (gwenview), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fa26740b9c0 (LWP 20298))]

Thread 18 (Thread 0x7fa23b7fe700 (LWP 20317)):
#0  0x00007fa2690776a5 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fa25c929c2b in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fa25c929b07 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fa269070f2a in start_thread () from /lib64/libpthread.so.0
#4  0x00007fa26c78038f in clone () from /lib64/libc.so.6

Thread 17 (Thread 0x7fa23bfff700 (LWP 20316)):
#0  0x00007fa2690776a5 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fa25c929c2b in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fa25c929b07 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fa269070f2a in start_thread () from /lib64/libpthread.so.0
#4  0x00007fa26c78038f in clone () from /lib64/libc.so.6

Thread 16 (Thread 0x7fa248d95700 (LWP 20315)):
#0  0x00007fa2690776a5 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fa25c929c2b in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fa25c929b07 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fa269070f2a in start_thread () from /lib64/libpthread.so.0
#4  0x00007fa26c78038f in clone () from /lib64/libc.so.6

Thread 15 (Thread 0x7fa249596700 (LWP 20314)):
#0  0x00007fa2690776a5 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fa25c929c2b in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fa25c929b07 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fa269070f2a in start_thread () from /lib64/libpthread.so.0
#4  0x00007fa26c78038f in clone () from /lib64/libc.so.6

Thread 14 (Thread 0x7fa249d97700 (LWP 20313)):
#0  0x00007fa2690776a5 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fa25c929c2b in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fa25c929b07 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fa269070f2a in start_thread () from /lib64/libpthread.so.0
#4  0x00007fa26c78038f in clone () from /lib64/libc.so.6

Thread 13 (Thread 0x7fa24a598700 (LWP 20312)):
#0  0x00007fa2690776a5 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fa25c929c2b in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fa25c929b07 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fa269070f2a in start_thread () from /lib64/libpthread.so.0
#4  0x00007fa26c78038f in clone () from /lib64/libc.so.6

Thread 12 (Thread 0x7fa24ad99700 (LWP 20311)):
#0  0x00007fa2690776a5 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fa25c929c2b in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fa25c929b07 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fa269070f2a in start_thread () from /lib64/libpthread.so.0
#4  0x00007fa26c78038f in clone () from /lib64/libc.so.6

Thread 11 (Thread 0x7fa24b59a700 (LWP 20310)):
#0  0x00007fa2690776a5 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fa25c929c2b in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fa25c929b07 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fa269070f2a in start_thread () from /lib64/libpthread.so.0
#4  0x00007fa26c78038f in clone () from /lib64/libc.so.6

Thread 10 (Thread 0x7fa254eb8700 (LWP 20309)):
#0  0x00007fa2690776a5 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fa25c929c2b in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fa25c929b07 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fa269070f2a in start_thread () from /lib64/libpthread.so.0
#4  0x00007fa26c78038f in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7fa2556b9700 (LWP 20308)):
#0  0x00007fa2690776a5 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fa25c929c2b in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fa25c929b07 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fa269070f2a in start_thread () from /lib64/libpthread.so.0
#4  0x00007fa26c78038f in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7fa255eba700 (LWP 20307)):
#0  0x00007fa2690776a5 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fa25c929c2b in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fa25c929b07 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fa269070f2a in start_thread () from /lib64/libpthread.so.0
#4  0x00007fa26c78038f in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7fa2566bb700 (LWP 20306)):
#0  0x00007fa2690776a5 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fa25c929c2b in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fa25c929b07 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fa269070f2a in start_thread () from /lib64/libpthread.so.0
#4  0x00007fa26c78038f in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7fa256ebc700 (LWP 20304)):
#0  0x00007fa2690776a5 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fa25c929c2b in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fa25c929b07 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fa269070f2a in start_thread () from /lib64/libpthread.so.0
#4  0x00007fa26c78038f in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7fa2576bd700 (LWP 20303)):
#0  0x00007fa2690776a5 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fa25c929c2b in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fa25c929b07 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fa269070f2a in start_thread () from /lib64/libpthread.so.0
#4  0x00007fa26c78038f in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7fa257fff700 (LWP 20302)):
#0  0x00007fa2690776a5 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007fa25c929c2b in ?? () from /usr/lib64/dri/radeonsi_dri.so
#2  0x00007fa25c929b07 in ?? () from /usr/lib64/dri/radeonsi_dri.so
#3  0x00007fa269070f2a in start_thread () from /lib64/libpthread.so.0
#4  0x00007fa26c78038f in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7fa25ffff700 (LWP 20300)):
#0  0x00007fa26c7714ec in read () from /lib64/libc.so.6
#1  0x00007fa26875f1df in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fa268717e47 in g_main_context_check () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007fa268718292 in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fa26871840f in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#5  0x00007fa26ab7dc6b in QEventDispatcherGlib::processEvents
(this=0x7fa258000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007fa26ab25bfb in QEventLoop::exec (this=this@entry=0x7fa25fffebb0,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:136
#7  0x00007fa26a95062e in QThread::exec (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:118
#8  0x00007fa26a546507 in ?? () from /usr/lib64/libQt5DBus.so.5
#9  0x00007fa26a9516f8 in QThreadPrivate::start (arg=0x7fa26a5c8da0) at
thread/qthread_unix.cpp:342
#10 0x00007fa269070f2a in start_thread () from /lib64/libpthread.so.0
#11 0x00007fa26c78038f in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7fa2653a0700 (LWP 20299)):
#0  0x00007fa26c775abf in poll () from /lib64/libc.so.6
#1  0x00007fa2686b6752 in ?? () from /usr/lib64/libxcb.so.1
#2  0x00007fa2686b740a in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3  0x00007fa265567ab0 in QXcbEventQueue::run (this=0x55be20b26c70) at
qxcbeventqueue.cpp:228
#4  0x00007fa26a9516f8 in QThreadPrivate::start (arg=0x55be20b26c70) at
thread/qthread_unix.cpp:342
#5  0x00007fa269070f2a in start_thread () from /lib64/libpthread.so.0
#6  0x00007fa26c78038f in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fa26740b9c0 (LWP 20298)):
[KCrash Handler]
#6  0x00007fa26aa7a343 in QUrl::operator== (this=this@entry=0x7ffdebeabb60,
url=...) at io/qurl.cpp:3636
#7  0x00007fa26c550f1a in Gwenview::ContextManager::setCurrentDirUrl
(this=this@entry=0x55be20bdc930, _url=...) at
/usr/src/debug/gwenview5-19.12.1-164.4.x86_64/lib/contextmanager.cpp:186
#8  0x00007fa26c551016 in Gwenview::ContextManager::<lambda(const
QUrl&)>::operator() (__closure=<optimized out>, urlReady=...) at
/usr/include/qt5/QtCore/qurl.h:69
#9  QtPrivate::FunctorCall<QtPrivate::IndexesList<0>, QtPrivate::List<const
QUrl&>, void,
Gwenview::ContextManager::ContextManager(Gwenview::SortedDirModel*,
QObject*)::<lambda(const QUrl&)> >::call (arg=<optimized out>, f=...) at
/usr/include/qt5/QtCore/qobjectdefs_impl.h:146
#10
QtPrivate::Functor<Gwenview::ContextManager::ContextManager(Gwenview::SortedDirModel*,
QObject*)::<lambda(const QUrl&)>, 1>::call<QtPrivate::List<QUrl const&>, void>
(arg=<optimized out>, f=...) at /usr/include/qt5/QtCore/qobjectdefs_impl.h:256
#11
QtPrivate::QFunctorSlotObject<Gwenview::ContextManager::ContextManager(Gwenview::SortedDirModel*,
QObject*)::<lambda(const QUrl&)>, 1, QtPrivate::List<const QUrl&>, void>::impl
(which=<optimized out>, r=<optimized out>, ret=<optimized out>, a=<optimized
out>, this_=<optimized out>) at /usr/include/qt5/QtCore/qobjectdefs_impl.h:439
#12
QtPrivate::QFunctorSlotObject<Gwenview::ContextManager::ContextManager(Gwenview::SortedDirModel*,
QObject*)::<lambda(const QUrl&)>, 1, QtPrivate::List<const QUrl&>,
void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void **, bool *)
(which=<optimized out>, this_=<optimized out>, r=<optimized out>, a=<optimized
out>, ret=<optimized out>) at /usr/include/qt5/QtCore/qobjectdefs_impl.h:432
#13 0x00007fa26ab5ba5e in QtPrivate::QSlotObjectBase::call (a=0x7ffdebeabca0,
r=0x7fa26c5ea4d0 <Gwenview::DocumentFactory::instance()::factory>,
this=0x55be20c230d0) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#14 doActivate<false> (sender=0x7fa26c5ea4d0
<Gwenview::DocumentFactory::instance()::factory>, signal_index=6,
argv=0x7ffdebeabca0) at kernel/qobject.cpp:3870
#15 0x00007fa26ab5621f in QMetaObject::activate (sender=<optimized out>,
m=<optimized out>, local_signal_index=local_signal_index@entry=3,
argv=argv@entry=0x7ffdebeabca0) at kernel/qobject.cpp:3930
#16 0x00007fa26c557f35 in Gwenview::DocumentFactory::readyForDirListerStart
(this=<optimized out>, _t1=...) at
/usr/src/debug/gwenview5-19.12.1-164.4.x86_64/build/lib/gwenviewlib_autogen/DV7UALDUNI/moc_documentfactory.cpp:209
#17 0x00007fa26ab5ba5e in QtPrivate::QSlotObjectBase::call (a=0x7ffdebeabdb0,
r=0x55be210bb1a0, this=0x55be20e54c50) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#18 doActivate<false> (sender=0x55be210bb1a0, signal_index=7,
argv=0x7ffdebeabdb0) at kernel/qobject.cpp:3870
#19 0x00007fa26ab5621f in QMetaObject::activate (sender=<optimized out>,
m=<optimized out>, local_signal_index=local_signal_index@entry=4,
argv=argv@entry=0x7ffdebeabdb0) at kernel/qobject.cpp:3930
#20 0x00007fa26c558205 in Gwenview::Document::loaded (this=<optimized out>,
_t1=...) at
/usr/src/debug/gwenview5-19.12.1-164.4.x86_64/build/lib/gwenviewlib_autogen/DV7UALDUNI/moc_document.cpp:315
#21 0x00007fa26ab5ba5e in QtPrivate::QSlotObjectBase::call (a=0x7ffdebeabe70,
r=0x55be210bb1a0, this=0x55be210dd1f0) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#22 doActivate<false> (sender=0x55be20f29480, signal_index=5,
argv=0x7ffdebeabe70) at kernel/qobject.cpp:3870
#23 0x00007fa26c545bc0 in Gwenview::AnimatedDocumentLoadedImpl::init
(this=0x55be20f29480) at
/usr/src/debug/gwenview5-19.12.1-164.4.x86_64/lib/document/animateddocumentloadedimpl.cpp:70
#24 0x00007fa26c5457eb in Gwenview::Document::switchToImpl
(this=0x55be210bb1a0, impl=<optimized out>) at
/usr/src/debug/gwenview5-19.12.1-164.4.x86_64/lib/document/document.cpp:254
#25 0x00007fa26c53faad in Gwenview::LoadingDocumentImpl::slotImageLoaded
(this=0x55be20f6bb50) at
/usr/src/debug/gwenview5-19.12.1-164.4.x86_64/lib/document/loadingdocumentimpl.cpp:555
#26 0x00007fa26ab5ba5e in QtPrivate::QSlotObjectBase::call (a=0x7ffdebeac080,
r=0x55be20f6bb50, this=0x55be20e1a9f0) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#27 doActivate<false> (sender=0x55be21236558, signal_index=4,
argv=0x7ffdebeac080) at kernel/qobject.cpp:3870
#28 0x00007fa26ab5621f in QMetaObject::activate (sender=<optimized out>,
m=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at
kernel/qobject.cpp:3930
#29 0x00007fa26a95b375 in QFutureWatcherBase::event (this=<optimized out>,
event=0x7fa250006030) at thread/qfuturewatcher.cpp:334
#30 0x00007fa26b7efcaf in QApplicationPrivate::notify_helper
(this=this@entry=0x55be20afd720, receiver=receiver@entry=0x55be21236558,
e=e@entry=0x7fa250006030) at kernel/qapplication.cpp:3684
#31 0x00007fa26b7f8df0 in QApplication::notify (this=0x7ffdebeac6f0,
receiver=0x55be21236558, e=0x7fa250006030) at kernel/qapplication.cpp:3430
#32 0x00007fa26ab27062 in QCoreApplication::notifyInternal2
(receiver=0x55be21236558, event=0x7fa250006030) at
../../include/QtCore/../../src/corelib/kernel/qobject.h:153
#33 0x00007fa26ab297f4 in QCoreApplicationPrivate::sendPostedEvents
(receiver=0x0, event_type=0, data=0x55be20ad2490) at
kernel/qcoreapplication.cpp:1832
#34 0x00007fa26ab7e5d3 in postEventSourceDispatch (s=0x55be20bd6870) at
kernel/qeventdispatcher_glib.cpp:277
#35 0x00007fa268717ff8 in g_main_context_dispatch () from
/usr/lib64/libglib-2.0.so.0
#36 0x00007fa268718380 in ?? () from /usr/lib64/libglib-2.0.so.0
#37 0x00007fa26871840f in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#38 0x00007fa26ab7dc4e in QEventDispatcherGlib::processEvents
(this=0x55be20bd93a0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#39 0x00007fa26ab25bfb in QEventLoop::exec (this=this@entry=0x7ffdebeac600,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:136
#40 0x00007fa26ab2d9d2 in QCoreApplication::exec () at
../../include/QtCore/../../src/corelib/global/qflags.h:118
#41 0x000055be203cc44d in main (argc=<optimized out>, argv=<optimized out>) at
/usr/src/debug/gwenview5-19.12.1-164.4.x86_64/app/main.cpp:168
[Inferior 1 (process 20298) detached]

Possible duplicates by query: bug 383702, bug 382542, bug 344511, bug 334308,
bug 309347.

Reported using DrKonqi

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