https://bugs.kde.org/show_bug.cgi?id=402892

            Bug ID: 402892
           Summary: Krita crashed when exiting without saving from a big
                    file
           Product: krita
           Version: unspecified
          Platform: Archlinux Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: General
          Assignee: krita-bugs-n...@kde.org
          Reporter: ra...@raghukamath.com
  Target Milestone: ---

Application: krita (4.2.0-pre-alpha (git 91c359e))

Qt Version: 5.12.0
Frameworks Version: 5.53.0
Operating System: Linux 4.20.0-arch1-1-ARCH x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
- What I was doing when the application crashed:
I was working on a 5k x 5k file, the file had cpu intensive layer fx, on
multiple layer, there were a dozen of layers. i closed krita and hit dont save,
krita crashed.

I don't know if i can reproduce this crash, but i think the backtrace will be
helpful

-- Backtrace:
Application: Krita (krita), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fb41857dcc0 (LWP 12059))]

Thread 23 (Thread 0x7fb2f37e9700 (LWP 12495)):
#0  0x00007fb41c8bfef6 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007fb41d9d1a59 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from
/usr/lib/libQt5Core.so.5
#2  0x00007fb41d9d1b97 in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/libQt5Core.so.5
#3  0x00007fb41d9cfbb4 in ?? () from /usr/lib/libQt5Core.so.5
#4  0x00007fb41d9cb9cc in ?? () from /usr/lib/libQt5Core.so.5
#5  0x00007fb41c8b9a9d in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007fb41d516b23 in clone () from /usr/lib/libc.so.6

Thread 22 (Thread 0x7fb3087f4700 (LWP 12494)):
#0  0x00007fb41c8bfef6 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007fb41d9d1a59 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from
/usr/lib/libQt5Core.so.5
#2  0x00007fb41d9d1b97 in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/libQt5Core.so.5
#3  0x00007fb41d9cfbb4 in ?? () from /usr/lib/libQt5Core.so.5
#4  0x00007fb41d9cb9cc in ?? () from /usr/lib/libQt5Core.so.5
#5  0x00007fb41c8b9a9d in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007fb41d516b23 in clone () from /usr/lib/libc.so.6

Thread 21 (Thread 0x7fb308ff5700 (LWP 12493)):
#0  0x00007fb41c8bfef6 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007fb41d9d1a59 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from
/usr/lib/libQt5Core.so.5
#2  0x00007fb41d9d1b97 in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/libQt5Core.so.5
#3  0x00007fb41d9cfbb4 in ?? () from /usr/lib/libQt5Core.so.5
#4  0x00007fb41d9cb9cc in ?? () from /usr/lib/libQt5Core.so.5
#5  0x00007fb41c8b9a9d in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007fb41d516b23 in clone () from /usr/lib/libc.so.6

Thread 20 (Thread 0x7fb3097f6700 (LWP 12492)):
#0  0x00007fb41c8bfef6 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007fb41d9d1a59 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from
/usr/lib/libQt5Core.so.5
#2  0x00007fb41d9d1b97 in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/libQt5Core.so.5
#3  0x00007fb41d9cfbb4 in ?? () from /usr/lib/libQt5Core.so.5
#4  0x00007fb41d9cb9cc in ?? () from /usr/lib/libQt5Core.so.5
#5  0x00007fb41c8b9a9d in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007fb41d516b23 in clone () from /usr/lib/libc.so.6

Thread 19 (Thread 0x7fb309ff7700 (LWP 12491)):
#0  0x00007fb41c8bfef6 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007fb41d9d1a59 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from
/usr/lib/libQt5Core.so.5
#2  0x00007fb41d9d1b97 in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/libQt5Core.so.5
#3  0x00007fb41d9cfbb4 in ?? () from /usr/lib/libQt5Core.so.5
#4  0x00007fb41d9cb9cc in ?? () from /usr/lib/libQt5Core.so.5
#5  0x00007fb41c8b9a9d in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007fb41d516b23 in clone () from /usr/lib/libc.so.6

Thread 18 (Thread 0x7fb341ffc700 (LWP 12490)):
#0  0x00007fb41c8bfef6 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007fb41d9d1a59 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from
/usr/lib/libQt5Core.so.5
#2  0x00007fb41d9d1b97 in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/libQt5Core.so.5
#3  0x00007fb41d9cfbb4 in ?? () from /usr/lib/libQt5Core.so.5
#4  0x00007fb41d9cb9cc in ?? () from /usr/lib/libQt5Core.so.5
#5  0x00007fb41c8b9a9d in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007fb41d516b23 in clone () from /usr/lib/libc.so.6

Thread 17 (Thread 0x7fb3427fd700 (LWP 12489)):
#0  0x00007fb41c8bfef6 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007fb41d9d1a59 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from
/usr/lib/libQt5Core.so.5
#2  0x00007fb41d9d1b97 in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/libQt5Core.so.5
#3  0x00007fb41d9cfbb4 in ?? () from /usr/lib/libQt5Core.so.5
#4  0x00007fb41d9cb9cc in ?? () from /usr/lib/libQt5Core.so.5
#5  0x00007fb41c8b9a9d in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007fb41d516b23 in clone () from /usr/lib/libc.so.6

Thread 16 (Thread 0x7fb342ffe700 (LWP 12488)):
#0  0x00007fb41c8bfef6 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007fb41d9d1a59 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from
/usr/lib/libQt5Core.so.5
#2  0x00007fb41d9d1b97 in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/libQt5Core.so.5
#3  0x00007fb41d9cfbb4 in ?? () from /usr/lib/libQt5Core.so.5
#4  0x00007fb41d9cb9cc in ?? () from /usr/lib/libQt5Core.so.5
#5  0x00007fb41c8b9a9d in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007fb41d516b23 in clone () from /usr/lib/libc.so.6

Thread 15 (Thread 0x7fb3437ff700 (LWP 12487)):
#0  0x00007fb41d5114ed in syscall () from /usr/lib/libc.so.6
#1  0x00007fb41d9cbc66 in QBasicMutex::lockInternal() () from
/usr/lib/libQt5Core.so.5
#2  0x00007fb421f57fdc in QMutexLocker::QMutexLocker (m=0x56491398c1f0,
this=<synthetic pointer>) at /usr/include/qt/QtCore/qmutex.h:206
#3  KisCanvasUpdatesCompressor::putUpdateInfo (this=0x56491398c1f0, info=...)
at
/mnt/Data/krita-build/src/krita/libs/ui/canvas/kis_canvas_updates_compressor.cpp:27
#4  0x00007fb421f51f9e in KisCanvas2::startUpdateCanvasProjection
(this=0x564908544ba0, rc=...) at /usr/include/c++/8.2.1/bits/atomic_base.h:295
#5  0x00007fb41dbb228c in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/libQt5Core.so.5
#6  0x00007fb4212057a2 in KisImage::sigImageUpdated
(this=this@entry=0x564908465070, _t1=...) at
/mnt/Data/krita-build/build/libs/image/kritaimage_autogen/EWIEGA46WW/moc_kis_image.cpp:664
#7  0x00007fb4210d801b in KisImage::notifyProjectionUpdated (rc=...,
this=0x564908465070) at
/mnt/Data/krita-build/src/krita/libs/image/kis_image.cc:1661
#8  KisImage::notifyProjectionUpdated (this=0x564908465070, rc=...) at
/mnt/Data/krita-build/src/krita/libs/image/kis_image.cc:1651
#9  0x00007fb42120c0ee in non-virtual thunk to KisUpdateJobItem::run() () from
/home/raghu/kf5/inst/lib64/libkritaimage.so.18
#10 0x00007fb41d9cf9a1 in ?? () from /usr/lib/libQt5Core.so.5
#11 0x00007fb41d9cb9cc in ?? () from /usr/lib/libQt5Core.so.5
#12 0x00007fb41c8b9a9d in start_thread () from /usr/lib/libpthread.so.0
#13 0x00007fb41d516b23 in clone () from /usr/lib/libc.so.6

Thread 14 (Thread 0x7fb356bf4700 (LWP 12486)):
#0  0x00007fb41d5114ed in syscall () from /usr/lib/libc.so.6
#1  0x00007fb41d9cbc66 in QBasicMutex::lockInternal() () from
/usr/lib/libQt5Core.so.5
#2  0x00007fb421f57fdc in QMutexLocker::QMutexLocker (m=0x56491398c1f0,
this=<synthetic pointer>) at /usr/include/qt/QtCore/qmutex.h:206
#3  KisCanvasUpdatesCompressor::putUpdateInfo (this=0x56491398c1f0, info=...)
at
/mnt/Data/krita-build/src/krita/libs/ui/canvas/kis_canvas_updates_compressor.cpp:27
#4  0x00007fb421f51f9e in KisCanvas2::startUpdateCanvasProjection
(this=0x564908544ba0, rc=...) at /usr/include/c++/8.2.1/bits/atomic_base.h:295
#5  0x00007fb41dbb228c in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/libQt5Core.so.5
#6  0x00007fb4212057a2 in KisImage::sigImageUpdated
(this=this@entry=0x564908465070, _t1=...) at
/mnt/Data/krita-build/build/libs/image/kritaimage_autogen/EWIEGA46WW/moc_kis_image.cpp:664
#7  0x00007fb4210d801b in KisImage::notifyProjectionUpdated (rc=...,
this=0x564908465070) at
/mnt/Data/krita-build/src/krita/libs/image/kis_image.cc:1661
#8  KisImage::notifyProjectionUpdated (this=0x564908465070, rc=...) at
/mnt/Data/krita-build/src/krita/libs/image/kis_image.cc:1651
#9  0x00007fb42120c0ee in non-virtual thunk to KisUpdateJobItem::run() () from
/home/raghu/kf5/inst/lib64/libkritaimage.so.18
#10 0x00007fb41d9cf9a1 in ?? () from /usr/lib/libQt5Core.so.5
#11 0x00007fb41d9cb9cc in ?? () from /usr/lib/libQt5Core.so.5
#12 0x00007fb41c8b9a9d in start_thread () from /usr/lib/libpthread.so.0
#13 0x00007fb41d516b23 in clone () from /usr/lib/libc.so.6

Thread 13 (Thread 0x7fb357ff6700 (LWP 12485)):
#0  0x00007fb41d5114ed in syscall () from /usr/lib/libc.so.6
#1  0x00007fb41d9cbc66 in QBasicMutex::lockInternal() () from
/usr/lib/libQt5Core.so.5
#2  0x00007fb421f57fdc in QMutexLocker::QMutexLocker (m=0x56491398c1f0,
this=<synthetic pointer>) at /usr/include/qt/QtCore/qmutex.h:206
#3  KisCanvasUpdatesCompressor::putUpdateInfo (this=0x56491398c1f0, info=...)
at
/mnt/Data/krita-build/src/krita/libs/ui/canvas/kis_canvas_updates_compressor.cpp:27
#4  0x00007fb421f51f9e in KisCanvas2::startUpdateCanvasProjection
(this=0x564908544ba0, rc=...) at /usr/include/c++/8.2.1/bits/atomic_base.h:295
#5  0x00007fb41dbb228c in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/libQt5Core.so.5
#6  0x00007fb4212057a2 in KisImage::sigImageUpdated
(this=this@entry=0x564908465070, _t1=...) at
/mnt/Data/krita-build/build/libs/image/kritaimage_autogen/EWIEGA46WW/moc_kis_image.cpp:664
#7  0x00007fb4210d801b in KisImage::notifyProjectionUpdated (rc=...,
this=0x564908465070) at
/mnt/Data/krita-build/src/krita/libs/image/kis_image.cc:1661
#8  KisImage::notifyProjectionUpdated (this=0x564908465070, rc=...) at
/mnt/Data/krita-build/src/krita/libs/image/kis_image.cc:1651
#9  0x00007fb42120c0ee in non-virtual thunk to KisUpdateJobItem::run() () from
/home/raghu/kf5/inst/lib64/libkritaimage.so.18
#10 0x00007fb41d9cf9a1 in ?? () from /usr/lib/libQt5Core.so.5
#11 0x00007fb41d9cb9cc in ?? () from /usr/lib/libQt5Core.so.5
#12 0x00007fb41c8b9a9d in start_thread () from /usr/lib/libpthread.so.0
#13 0x00007fb41d516b23 in clone () from /usr/lib/libc.so.6

Thread 12 (Thread 0x7fb3a31eb700 (LWP 12484)):
#0  0x00007fb41c8bfef6 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007fb41d9d1a59 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from
/usr/lib/libQt5Core.so.5
#2  0x00007fb41d9d1b97 in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/libQt5Core.so.5
#3  0x00007fb41d9cfbb4 in ?? () from /usr/lib/libQt5Core.so.5
#4  0x00007fb41d9cb9cc in ?? () from /usr/lib/libQt5Core.so.5
#5  0x00007fb41c8b9a9d in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007fb41d516b23 in clone () from /usr/lib/libc.so.6

Thread 11 (Thread 0x7fb3a21e9700 (LWP 12483)):
[KCrash Handler]
#6  0x00007fb421f58506 in KisSharedPtr<KisUpdateInfo>::KisSharedPtr (o=...,
this=0x7fb3302cb8d0) at
/mnt/Data/krita-build/src/krita/libs/global/kis_shared_ptr.h:99
#7  QList<KisSharedPtr<KisUpdateInfo> >::node_copy (src=0x7fb34cc20fc0,
to=0x7fb330b107e8, from=0x7fb290ad0e50, this=0x56491398c1f8) at
/usr/include/qt/QtCore/qlist.h:465
#8  QList<KisSharedPtr<KisUpdateInfo> >::detach_helper (this=0x56491398c1f8,
alloc=<optimized out>) at /usr/include/qt/QtCore/qlist.h:791
#9  0x00007fb421f58113 in QList<KisSharedPtr<KisUpdateInfo> >::detach_helper
(this=0x56491398c1f8) at /usr/include/qt/QtCore/qlist.h:803
#10 QList<KisSharedPtr<KisUpdateInfo> >::detach (this=0x56491398c1f8) at
/usr/include/qt/QtCore/qlist.h:172
#11 QList<KisSharedPtr<KisUpdateInfo> >::begin (this=0x56491398c1f8) at
/usr/include/qt/QtCore/qlist.h:324
#12 KisCanvasUpdatesCompressor::putUpdateInfo (this=0x56491398c1f0, info=...)
at
/mnt/Data/krita-build/src/krita/libs/ui/canvas/kis_canvas_updates_compressor.cpp:28
#13 0x00007fb421f51f9e in KisCanvas2::startUpdateCanvasProjection
(this=0x564908544ba0, rc=...) at /usr/include/c++/8.2.1/bits/atomic_base.h:295
#14 0x00007fb41dbb228c in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/libQt5Core.so.5
#15 0x00007fb4212057a2 in KisImage::sigImageUpdated
(this=this@entry=0x564908465070, _t1=...) at
/mnt/Data/krita-build/build/libs/image/kritaimage_autogen/EWIEGA46WW/moc_kis_image.cpp:664
#16 0x00007fb4210d801b in KisImage::notifyProjectionUpdated (rc=...,
this=0x564908465070) at
/mnt/Data/krita-build/src/krita/libs/image/kis_image.cc:1661
#17 KisImage::notifyProjectionUpdated (this=0x564908465070, rc=...) at
/mnt/Data/krita-build/src/krita/libs/image/kis_image.cc:1651
#18 0x00007fb42120c0ee in non-virtual thunk to KisUpdateJobItem::run() () from
/home/raghu/kf5/inst/lib64/libkritaimage.so.18
#19 0x00007fb41d9cf9a1 in ?? () from /usr/lib/libQt5Core.so.5
#20 0x00007fb41d9cb9cc in ?? () from /usr/lib/libQt5Core.so.5
#21 0x00007fb41c8b9a9d in start_thread () from /usr/lib/libpthread.so.0
#22 0x00007fb41d516b23 in clone () from /usr/lib/libc.so.6

Thread 10 (Thread 0x7fb3577f5700 (LWP 12482)):
#0  0x00007fb41d5114ed in syscall () from /usr/lib/libc.so.6
#1  0x00007fb41d9cbc66 in QBasicMutex::lockInternal() () from
/usr/lib/libQt5Core.so.5
#2  0x00007fb421f57fdc in QMutexLocker::QMutexLocker (m=0x56491398c1f0,
this=<synthetic pointer>) at /usr/include/qt/QtCore/qmutex.h:206
#3  KisCanvasUpdatesCompressor::putUpdateInfo (this=0x56491398c1f0, info=...)
at
/mnt/Data/krita-build/src/krita/libs/ui/canvas/kis_canvas_updates_compressor.cpp:27
#4  0x00007fb421f51f9e in KisCanvas2::startUpdateCanvasProjection
(this=0x564908544ba0, rc=...) at /usr/include/c++/8.2.1/bits/atomic_base.h:295
#5  0x00007fb41dbb228c in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/libQt5Core.so.5
#6  0x00007fb4212057a2 in KisImage::sigImageUpdated
(this=this@entry=0x564908465070, _t1=...) at
/mnt/Data/krita-build/build/libs/image/kritaimage_autogen/EWIEGA46WW/moc_kis_image.cpp:664
#7  0x00007fb4210d801b in KisImage::notifyProjectionUpdated (rc=...,
this=0x564908465070) at
/mnt/Data/krita-build/src/krita/libs/image/kis_image.cc:1661
#8  KisImage::notifyProjectionUpdated (this=0x564908465070, rc=...) at
/mnt/Data/krita-build/src/krita/libs/image/kis_image.cc:1651
#9  0x00007fb42120c0ee in non-virtual thunk to KisUpdateJobItem::run() () from
/home/raghu/kf5/inst/lib64/libkritaimage.so.18
#10 0x00007fb41d9cf9a1 in ?? () from /usr/lib/libQt5Core.so.5
#11 0x00007fb41d9cb9cc in ?? () from /usr/lib/libQt5Core.so.5
#12 0x00007fb41c8b9a9d in start_thread () from /usr/lib/libpthread.so.0
#13 0x00007fb41d516b23 in clone () from /usr/lib/libc.so.6

Thread 9 (Thread 0x7fb3a15e7700 (LWP 12481)):
#0  0x00007fb41d5114ed in syscall () from /usr/lib/libc.so.6
#1  0x00007fb41d9cbc66 in QBasicMutex::lockInternal() () from
/usr/lib/libQt5Core.so.5
#2  0x00007fb421f57fdc in QMutexLocker::QMutexLocker (m=0x56491398c1f0,
this=<synthetic pointer>) at /usr/include/qt/QtCore/qmutex.h:206
#3  KisCanvasUpdatesCompressor::putUpdateInfo (this=0x56491398c1f0, info=...)
at
/mnt/Data/krita-build/src/krita/libs/ui/canvas/kis_canvas_updates_compressor.cpp:27
#4  0x00007fb421f51f9e in KisCanvas2::startUpdateCanvasProjection
(this=0x564908544ba0, rc=...) at /usr/include/c++/8.2.1/bits/atomic_base.h:295
#5  0x00007fb41dbb228c in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/libQt5Core.so.5
#6  0x00007fb4212057a2 in KisImage::sigImageUpdated
(this=this@entry=0x564908465070, _t1=...) at
/mnt/Data/krita-build/build/libs/image/kritaimage_autogen/EWIEGA46WW/moc_kis_image.cpp:664
#7  0x00007fb4210d801b in KisImage::notifyProjectionUpdated (rc=...,
this=0x564908465070) at
/mnt/Data/krita-build/src/krita/libs/image/kis_image.cc:1661
#8  KisImage::notifyProjectionUpdated (this=0x564908465070, rc=...) at
/mnt/Data/krita-build/src/krita/libs/image/kis_image.cc:1651
#9  0x00007fb42120c0ee in non-virtual thunk to KisUpdateJobItem::run() () from
/home/raghu/kf5/inst/lib64/libkritaimage.so.18
#10 0x00007fb41d9cf9a1 in ?? () from /usr/lib/libQt5Core.so.5
#11 0x00007fb41d9cb9cc in ?? () from /usr/lib/libQt5Core.so.5
#12 0x00007fb41c8b9a9d in start_thread () from /usr/lib/libpthread.so.0
#13 0x00007fb41d516b23 in clone () from /usr/lib/libc.so.6

Thread 8 (Thread 0x7fb3a29ea700 (LWP 12480)):
#0  0x00007fb41d5114ed in syscall () from /usr/lib/libc.so.6
#1  0x00007fb41d9cbc66 in QBasicMutex::lockInternal() () from
/usr/lib/libQt5Core.so.5
#2  0x00007fb421f57fdc in QMutexLocker::QMutexLocker (m=0x56491398c1f0,
this=<synthetic pointer>) at /usr/include/qt/QtCore/qmutex.h:206
#3  KisCanvasUpdatesCompressor::putUpdateInfo (this=0x56491398c1f0, info=...)
at
/mnt/Data/krita-build/src/krita/libs/ui/canvas/kis_canvas_updates_compressor.cpp:27
#4  0x00007fb421f51f9e in KisCanvas2::startUpdateCanvasProjection
(this=0x564908544ba0, rc=...) at /usr/include/c++/8.2.1/bits/atomic_base.h:295
#5  0x00007fb41dbb228c in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/libQt5Core.so.5
#6  0x00007fb4212057a2 in KisImage::sigImageUpdated
(this=this@entry=0x564908465070, _t1=...) at
/mnt/Data/krita-build/build/libs/image/kritaimage_autogen/EWIEGA46WW/moc_kis_image.cpp:664
#7  0x00007fb4210d801b in KisImage::notifyProjectionUpdated (rc=...,
this=0x564908465070) at
/mnt/Data/krita-build/src/krita/libs/image/kis_image.cc:1661
#8  KisImage::notifyProjectionUpdated (this=0x564908465070, rc=...) at
/mnt/Data/krita-build/src/krita/libs/image/kis_image.cc:1651
#9  0x00007fb42120c0ee in non-virtual thunk to KisUpdateJobItem::run() () from
/home/raghu/kf5/inst/lib64/libkritaimage.so.18
#10 0x00007fb41d9cf9a1 in ?? () from /usr/lib/libQt5Core.so.5
#11 0x00007fb41d9cb9cc in ?? () from /usr/lib/libQt5Core.so.5
#12 0x00007fb41c8b9a9d in start_thread () from /usr/lib/libpthread.so.0
#13 0x00007fb41d516b23 in clone () from /usr/lib/libc.so.6

Thread 7 (Thread 0x7fb3f5a3d700 (LWP 12069)):
#0  0x00007fb41b3af3c0 in g_mutex_lock () from /usr/lib/libglib-2.0.so.0
#1  0x00007fb41b3fffbe in g_main_context_check () from
/usr/lib/libglib-2.0.so.0
#2  0x00007fb41b4014e6 in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007fb41b40162e in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#4  0x00007fb41dbdd5c4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#5  0x00007fb41db8658c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#6  0x00007fb41d9ca5c9 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#7  0x00007fb41d9cb9cc in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007fb41c8b9a9d in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007fb41d516b23 in clone () from /usr/lib/libc.so.6

Thread 6 (Thread 0x7fb3f627e700 (LWP 12068)):
#0  0x00007fb41b3ffcc9 in ?? () from /usr/lib/libglib-2.0.so.0
#1  0x00007fb41b400d3b in g_main_context_prepare () from
/usr/lib/libglib-2.0.so.0
#2  0x00007fb41b401466 in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007fb41b40162e in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#4  0x00007fb41dbdd5c4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#5  0x00007fb41db8658c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#6  0x00007fb41d9ca5c9 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#7  0x00007fb415e7ee5b in ?? () from /usr/lib/libQt5Quick.so.5
#8  0x00007fb41d9cb9cc in ?? () from /usr/lib/libQt5Core.so.5
#9  0x00007fb41c8b9a9d in start_thread () from /usr/lib/libpthread.so.0
#10 0x00007fb41d516b23 in clone () from /usr/lib/libc.so.6

Thread 5 (Thread 0x7fb405abe700 (LWP 12067)):
#0  0x00007fb41d5077a4 in read () from /usr/lib/libc.so.6
#1  0x00007fb41b3af971 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007fb41b4000b0 in g_main_context_check () from
/usr/lib/libglib-2.0.so.0
#3  0x00007fb41b4014e6 in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00007fb41b40162e in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#5  0x00007fb41dbdd5c4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#6  0x00007fb41db8658c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#7  0x00007fb41d9ca5c9 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#8  0x00007fb415bbab89 in ?? () from /usr/lib/libQt5Qml.so.5
#9  0x00007fb41d9cb9cc in ?? () from /usr/lib/libQt5Core.so.5
#10 0x00007fb41c8b9a9d in start_thread () from /usr/lib/libpthread.so.0
#11 0x00007fb41d516b23 in clone () from /usr/lib/libc.so.6

Thread 4 (Thread 0x7fb4052bd700 (LWP 12066)):
#0  0x00007fb41d4e36a8 in nanosleep () from /usr/lib/libc.so.6
#1  0x00007fb41dbdcf0f in ?? () from /usr/lib/libQt5Core.so.5
#2  0x00007fb420fcf70a in KisTileDataSwapper::run (this=0x7fb4212ddc80
<(anonymous namespace)::Q_QGS_s_instance::innerFunction()::holder+64>) at
/mnt/Data/krita-build/src/krita/libs/image/tiles3/swap/kis_tile_data_swapper.cpp:97
#3  0x00007fb41d9cb9cc in ?? () from /usr/lib/libQt5Core.so.5
#4  0x00007fb41c8b9a9d in start_thread () from /usr/lib/libpthread.so.0
#5  0x00007fb41d516b23 in clone () from /usr/lib/libc.so.6

Thread 3 (Thread 0x7fb4063cd700 (LWP 12064)):
#0  0x00007fb41d50bc21 in poll () from /usr/lib/libc.so.6
#1  0x00007fb41b401540 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007fb41b40162e in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#3  0x00007fb41dbdd5c4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#4  0x00007fb41db8658c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#5  0x00007fb41d9ca5c9 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007fb41d9cb9cc in ?? () from /usr/lib/libQt5Core.so.5
#7  0x00007fb41c8b9a9d in start_thread () from /usr/lib/libpthread.so.0
#8  0x00007fb41d516b23 in clone () from /usr/lib/libc.so.6

Thread 2 (Thread 0x7fb40e3d3700 (LWP 12062)):
#0  0x00007fb41d50bc21 in poll () from /usr/lib/libc.so.6
#1  0x00007fb41b401540 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007fb41b40162e in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#3  0x00007fb41dbdd5c4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#4  0x00007fb41db8658c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#5  0x00007fb41d9ca5c9 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007fb4200b1ba6 in ?? () from /usr/lib/libQt5DBus.so.5
#7  0x00007fb41d9cb9cc in ?? () from /usr/lib/libQt5Core.so.5
#8  0x00007fb41c8b9a9d in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007fb41d516b23 in clone () from /usr/lib/libc.so.6

Thread 1 (Thread 0x7fb41857dcc0 (LWP 12059)):
#0  0x00007fb41d4fdb1b in sched_yield () from /usr/lib/libc.so.6
#1  0x00007fb40f2b7879 in ?? () from /usr/lib/libnvidia-glcore.so.415.25
#2  0x00007fb40f2b78f8 in ?? () from /usr/lib/libnvidia-glcore.so.415.25
#3  0x00007fb40f2a8af3 in ?? () from /usr/lib/libnvidia-glcore.so.415.25
#4  0x00007fb40f2a9adc in ?? () from /usr/lib/libnvidia-glcore.so.415.25
#5  0x00007fb40f277166 in ?? () from /usr/lib/libnvidia-glcore.so.415.25
#6  0x00007fb40f278ca9 in ?? () from /usr/lib/libnvidia-glcore.so.415.25
#7  0x00007fb40f2795f9 in ?? () from /usr/lib/libnvidia-glcore.so.415.25
#8  0x00007fb40f2093a3 in ?? () from /usr/lib/libnvidia-glcore.so.415.25
#9  0x00007fb40f20973f in ?? () from /usr/lib/libnvidia-glcore.so.415.25
#10 0x00007fb40f2097fe in ?? () from /usr/lib/libnvidia-glcore.so.415.25
#11 0x00007fb414977fa8 in ?? () from /usr/lib/libGLX_nvidia.so.0
#12 0x00007fb414972f4c in glXCreatePbuffer () from /usr/lib/libGLX_nvidia.so.0
#13 0x00007fb41aedd9f4 in glXCreatePbuffer () from /usr/lib/libGLX.so.0
#14 0x00007fb4182371f0 in ?? () from
/usr/lib/qt/plugins/xcbglintegrations/libqxcb-glx-integration.so
#15 0x00007fb4182359e9 in ?? () from
/usr/lib/qt/plugins/xcbglintegrations/libqxcb-glx-integration.so
#16 0x00007fb4180d60e9 in
QXcbIntegration::createPlatformOffscreenSurface(QOffscreenSurface*) const ()
from /usr/lib/libQt5XcbQpa.so.5
#17 0x00007fb41df662fe in QOffscreenSurface::create() () from
/usr/lib/libQt5Gui.so.5
#18 0x00007fb41e2b7c6c in ?? () from /usr/lib/libQt5Gui.so.5
#19 0x00007fb41e2b7e38 in QOpenGLVertexArrayObject::~QOpenGLVertexArrayObject()
() from /usr/lib/libQt5Gui.so.5
#20 0x00007fb4221306f3 in KisOpenGLCanvas2::Private::~Private
(this=0x56490ab44970, __in_chrg=<optimized out>) at
/mnt/Data/krita-build/src/krita/libs/ui/opengl/kis_opengl_canvas2_p.h:117
#21 KisOpenGLCanvas2::~KisOpenGLCanvas2 (this=0x564913718160,
__in_chrg=<optimized out>) at
/mnt/Data/krita-build/src/krita/libs/ui/opengl/kis_opengl_canvas2.cpp:182
#22 0x00007fb4221307b9 in KisOpenGLCanvas2::~KisOpenGLCanvas2
(this=0x564913718160, __in_chrg=<optimized out>) at
/mnt/Data/krita-build/src/krita/libs/ui/opengl/kis_opengl_canvas2.cpp:180
#23 0x00007fb41dbb01cb in QObjectPrivate::deleteChildren() () from
/usr/lib/libQt5Core.so.5
#24 0x00007fb41e59310f in QWidget::~QWidget() () from
/usr/lib/libQt5Widgets.so.5
#25 0x00007fb420b9edfd in Viewport::~Viewport (this=0x5649136ee850,
__in_chrg=<optimized out>) at
/mnt/Data/krita-build/build/libs/flake/kritaflake_autogen/EWIEGA46WW/../../../../../src/krita/libs/flake/KoCanvasControllerWidgetViewport_p.h:38
#26 Viewport::~Viewport (this=0x5649136ee850, __in_chrg=<optimized out>) at
/mnt/Data/krita-build/build/libs/flake/kritaflake_autogen/EWIEGA46WW/../../../../../src/krita/libs/flake/KoCanvasControllerWidgetViewport_p.h:38
#27 0x00007fb41dbb01cb in QObjectPrivate::deleteChildren() () from
/usr/lib/libQt5Core.so.5
#28 0x00007fb41e59310f in QWidget::~QWidget() () from
/usr/lib/libQt5Widgets.so.5
#29 0x00007fb4222de6e6 in KisView::Private::~Private (this=0x564908544ad0,
__in_chrg=<optimized out>) at /usr/include/c++/8.2.1/bits/atomic_base.h:303
#30 KisView::~KisView (this=0x5649138304a0, __in_chrg=<optimized out>) at
/mnt/Data/krita-build/src/krita/libs/ui/KisView.cpp:271
#31 0x00007fb4222de799 in KisView::~KisView (this=0x5649138304a0,
__in_chrg=<optimized out>) at
/mnt/Data/krita-build/src/krita/libs/ui/KisView.cpp:257
#32 0x00007fb41dbb01cb in QObjectPrivate::deleteChildren() () from
/usr/lib/libQt5Core.so.5
#33 0x00007fb41e59310f in QWidget::~QWidget() () from
/usr/lib/libQt5Widgets.so.5
#34 0x00007fb41e6c69ea in QMdiSubWindow::~QMdiSubWindow() () from
/usr/lib/libQt5Widgets.so.5
#35 0x00007fb41dbb2b81 in QObject::event(QEvent*) () from
/usr/lib/libQt5Core.so.5
#36 0x00007fb41e597e8c in QWidget::event(QEvent*) () from
/usr/lib/libQt5Widgets.so.5
#37 0x00007fb41e6c729c in QMdiSubWindow::event(QEvent*) () from
/usr/lib/libQt5Widgets.so.5
#38 0x00007fb41e556e34 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/libQt5Widgets.so.5
#39 0x00007fb41e55e671 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/libQt5Widgets.so.5
#40 0x00007fb422282327 in KisApplication::notify (this=<optimized out>,
receiver=0x564913bd8170, event=0x564917911010) at
/mnt/Data/krita-build/src/krita/libs/ui/KisApplication.cpp:608
#41 0x00007fb41db878f9 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/libQt5Core.so.5
#42 0x00007fb41db8a998 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /usr/lib/libQt5Core.so.5
#43 0x00007fb41dbddfd4 in ?? () from /usr/lib/libQt5Core.so.5
#44 0x00007fb41b3ffa2f in g_main_context_dispatch () from
/usr/lib/libglib-2.0.so.0
#45 0x00007fb41b4015e9 in ?? () from /usr/lib/libglib-2.0.so.0
#46 0x00007fb41b40162e in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#47 0x00007fb41dbdd5a9 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#48 0x00007fb41db8658c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#49 0x00007fb41db8e896 in QCoreApplication::exec() () from
/usr/lib/libQt5Core.so.5
#50 0x00005648fcbf8c88 in main (argc=<optimized out>, argv=0x7ffd2feb1eb8) at
/mnt/Data/krita-build/src/krita/krita/main.cc:459
[Inferior 1 (process 12059) detached]

Reported using DrKonqi

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