Bug 420420

Application: kolourpaint (19.04.3)

Qt Version: 5.12.4
Frameworks Version: 5.62.0
Operating System: Linux 5.3.0-46-generic x86_64
Distribution: Ubuntu 19.10

-- Information about the crash:
- What I was doing when the application crashed:

edited a png file (screenshot) closed it and reopen the same file throught File-Recent Documents and it crashed.

The crash can be reproduced every time.

-- Backtrace:
Application: KolourPaint (kolourpaint), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f2accd4e840 (LWP 5967))]

Thread 4 (Thread 0x7f2abbfff700 (LWP 5970)):
#0  0x00007f2acf9632c6 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5618203a38f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:80
#1  0x00007f2acf9632c6 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5618203a38a8, cond=0x5618203a38d0) at pthread_cond_wait.c:508
#2  0x00007f2acf9632c6 in __pthread_cond_wait (cond=0x5618203a38d0, mutex=0x5618203a38a8) at pthread_cond_wait.c:638
#3  0x00007f2ac0b82aab in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f2ac0b826cb in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f2acf95c669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#6  0x00007f2ad0787323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f2acad88700 (LWP 5969)):
#0  0x00007ffd5987b901 in clock_gettime ()
#1  0x00007f2ad079512b in __GI___clock_gettime (clock_id=1, tp=0x7f2acad87aa0) at ../sysdeps/unix/sysv/linux/clock_gettime.c:33
#2  0x00007f2ad0e71f15 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f2ad0e707bd in QTimerInfoList::updateCurrentTime() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f2ad0e70d99 in QTimerInfoList::timerWait(timespec&) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f2ad0e723a6 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f2acf03a02f in g_main_context_prepare () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f2acf03a9db in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f2acf03abe3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f2ad0e72653 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f2ad0e195cb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f2ad0c52a45 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f2acfc97efa in  () at /lib/x86_64-linux-gnu/libQt5DBus.so.5
#13 0x00007f2ad0c53c92 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f2acf95c669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#15 0x00007f2ad0787323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f2acc444700 (LWP 5968)):
#0  0x00007f2ad077ac2f in __GI___poll (fds=0x7f2acc443c68, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f2ad02b9917 in  () at /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f2ad02bb53a in xcb_wait_for_event () at /lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f2accc06288 in  () at /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f2ad0c53c92 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f2acf95c669 in start_thread (arg=<optimized out>) at pthread_create.c:479
#6  0x00007f2ad0787323 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f2accd4e840 (LWP 5967)):
[KCrash Handler]
#6  0x00007f2ad0d704bf in QUrl::QUrl(QUrl const&) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f2ad214e7a3 in KRecentFilesAction::addUrl(QUrl const&, QString const&) () at /lib/x86_64-linux-gnu/libKF5ConfigWidgets.so.5
#8  0x000056181f5f24a9 in  ()
#9  0x000056181f5f642f in  ()
#10 0x000056181f5f6662 in  ()
#11 0x00007f2ad0e46558 in QMetaObject::activate(QObject*, int, int, void**) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f2ad214d366 in KRecentFilesAction::urlSelected(QUrl const&) () at /lib/x86_64-linux-gnu/libKF5ConfigWidgets.so.5
#13 0x00007f2ad214dccd in  () at /lib/x86_64-linux-gnu/libKF5ConfigWidgets.so.5
#14 0x00007f2ad214e155 in  () at /lib/x86_64-linux-gnu/libKF5ConfigWidgets.so.5
#15 0x00007f2ad0e463f8 in QMetaObject::activate(QObject*, int, int, void**) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f2ad2049543 in KSelectAction::triggered(QAction*) () at /lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#17 0x00007f2ad204aba3 in KSelectAction::actionTriggered(QAction*) () at /lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5
#18 0x00007f2ad0e46558 in QMetaObject::activate(QObject*, int, int, void**) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f2ad1a65ce3 in QActionGroup::triggered(QAction*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007f2ad1a667f3 in  () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x00007f2ad0e463f8 in QMetaObject::activate(QObject*, int, int, void**) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f2ad1a62406 in QAction::triggered(bool) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007f2ad1a64ac2 in QAction::activate(QAction::ActionEvent) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007f2ad0e46e4a in QObject::event(QEvent*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007f2ad1a65357 in QAction::event(QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x00007f2ad1a68a86 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#27 0x00007f2ad1a71e00 in QApplication::notify(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#28 0x00007f2ad0e1aa2a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007f2ad0e1d6a8 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#30 0x00007f2ad0e73037 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x00007f2acf03a8bd in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007f2acf03ab40 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007f2acf03abe3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007f2ad0e72635 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x00007f2ad0e195cb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#36 0x00007f2ad0e21336 in QCoreApplication::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#37 0x000056181f5aa677 in  ()
#38 0x00007f2ad068c1e3 in __libc_start_main (main=0x56181f5a9c90, argc=1, argv=0x7ffd5980ae18, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd5980ae08) at ../csu/libc-start.c:308
#39 0x000056181f5aa85e in _start ()
[Inferior 1 (process 5967) detached]

Reported using DrKonqi