Created attachment 119734 [details]
Screenshot 1, showing the feed and articles

SUMMARY
Akregator segfaults when closing an internal browser tab which is displaying an image from an article, and then selecting the following article in the feed.


STEPS TO REPRODUCE
1. Open Akregator and open the "Pharyngula on FTB" feed.
2. Select the article " I need to send this to my kids". Circle 1 in the first attachment.
3. Click on the cartoon circled as 2 in the first attachment, which opens a new browser tab.
4. Close the new tab by clicking on the red "close" button top right, as shwon in circle 3 on th3 second attachment.
5. Now click on the following article "Relax, there aren't gojng to be any zombie pigs".....akregator crashes with a segfault.

OBSERVED RESULT
Crash on selecting following article.


EXPECTED RESULT
Display next article.


SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: KDE Neon 5.15
(available in About System)
KDE Plasma Version: 5.15.4
KDE Frameworks Version: 5.57.0
Qt Version: 5.12.0

ADDITIONAL INFORMATION
I installed the debug symbols....traceback is ...

===============================================================================
Application: Akregator (akregator), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7ff282070bc0 (LWP 1253))]

Thread 24 (Thread 0x7ff149d6d700 (LWP 1355)):
#0  0x00007ff27151ded9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7ff149d6c710, expected=0, futex_word=0x7ff149d6c8f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007ff27151ded9 in __pthread_cond_wait_common (abstime=0x7ff149d6c7b0, mutex=0x7ff149d6c8a8, cond=0x7ff149d6c8d0) at pthread_cond_wait.c:533
#2  0x00007ff27151ded9 in __pthread_cond_timedwait (cond=0x7ff149d6c8d0, mutex=0x7ff149d6c8a8, abstime=0x7ff149d6c7b0) at pthread_cond_wait.c:667
#3  0x00007ff27784d177 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007ff27784dada in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007ff27784dbc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007ff27780b851 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007ff27780e387 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007ff27780e974 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007ff27784fcd1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007ff2715176db in start_thread (arg=0x7ff149d6d700) at pthread_create.c:463
#11 0x00007ff27de2388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7ff14b76f700 (LWP 1309)):
#0  0x00007ff27151ded9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7ff14b76e710, expected=0, futex_word=0x7ff14b76e8f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007ff27151ded9 in __pthread_cond_wait_common (abstime=0x7ff14b76e7b0, mutex=0x7ff14b76e8a8, cond=0x7ff14b76e8d0) at pthread_cond_wait.c:533
#2  0x00007ff27151ded9 in __pthread_cond_timedwait (cond=0x7ff14b76e8d0, mutex=0x7ff14b76e8a8, abstime=0x7ff14b76e7b0) at pthread_cond_wait.c:667
#3  0x00007ff27784d177 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007ff27784dada in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007ff27784dbc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007ff27780b851 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007ff27780e387 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007ff27780e974 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007ff27784fcd1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007ff2715176db in start_thread (arg=0x7ff14b76f700) at pthread_create.c:463
#11 0x00007ff27de2388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7ff1577fe700 (LWP 1290)):
#0  0x00007ff27de326ac in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007ff27de34474 in ___fprintf_chk (fp=0x7ff27e0ef8b0 <_IO_stdfile_2_lock>, flag=1, format=0x7ff269b666a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007ff269b4e9ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007ff269b4eb44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007ff269b5046c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007ff269b46114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007ff277853789 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007ff2777ea49b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007ff27781cd21 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007ff27784fcd1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007ff2715176db in start_thread (arg=0x7ff1577fe700) at pthread_create.c:463
#11 0x00007ff27de2388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7ff157fff700 (LWP 1289)):
#0  0x00007ff27151d9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7ff157ffe908) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007ff27151d9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7ff157ffe8b8, cond=0x7ff157ffe8e0) at pthread_cond_wait.c:502
#2  0x00007ff27151d9f3 in __pthread_cond_wait (cond=0x7ff157ffe8e0, mutex=0x7ff157ffe8b8) at pthread_cond_wait.c:655
#3  0x00007ff27784d0a9 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007ff27784dae8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007ff27784db7f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007ff27780b868 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007ff27780e6b6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007ff27780e9f4 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007ff27784fcd1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007ff2715176db in start_thread (arg=0x7ff157fff700) at pthread_create.c:463
#11 0x00007ff27de2388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7ff20cedd700 (LWP 1287)):
#0  0x00007ff27151ded9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7ff20cedc710, expected=0, futex_word=0x7ff20cedc8f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007ff27151ded9 in __pthread_cond_wait_common (abstime=0x7ff20cedc7b0, mutex=0x7ff20cedc8a8, cond=0x7ff20cedc8d0) at pthread_cond_wait.c:533
#2  0x00007ff27151ded9 in __pthread_cond_timedwait (cond=0x7ff20cedc8d0, mutex=0x7ff20cedc8a8, abstime=0x7ff20cedc7b0) at pthread_cond_wait.c:667
#3  0x00007ff27784d177 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007ff27784dada in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007ff27784dbc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007ff27780b851 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007ff27780e6b6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007ff27780e974 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007ff27784fcd1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007ff2715176db in start_thread (arg=0x7ff20cedd700) at pthread_create.c:463
#11 0x00007ff27de2388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7ff20e7fc700 (LWP 1286)):
#0  0x00007ff27151d9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7ff264deafb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007ff27151d9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7ff264deaf68, cond=0x7ff264deaf90) at pthread_cond_wait.c:502
#2  0x00007ff27151d9f3 in __pthread_cond_wait (cond=0x7ff264deaf90, mutex=0x7ff264deaf68) at pthread_cond_wait.c:655
#3  0x00007ff264af4844 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007ff264af4889 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007ff2715176db in start_thread (arg=0x7ff20e7fc700) at pthread_create.c:463
#6  0x00007ff27de2388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7ff20effd700 (LWP 1285)):
#0  0x00007ff27de120b4 in __GI___libc_read (fd=56, buf=0x7ff20effc7d0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007ff26f239cd0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff26f1f5027 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff26f1f54e0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ff26f1f564c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ff27e75915b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ff27e6fa64a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ff27e52241a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007ff27e523bc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007ff2715176db in start_thread (arg=0x7ff20effd700) at pthread_create.c:463
#10 0x00007ff27de2388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7ff20df38700 (LWP 1284)):
#0  0x00007ff27de16bf9 in __GI___poll (fds=0x7ff1e4007030, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ff23d3bf481 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007ff23d3b0e40 in pa_mainloop_poll () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007ff23d3b14d0 in pa_mainloop_iterate () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007ff23d3b1560 in pa_mainloop_run () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007ff23d3bf3c9 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007ff23cf5c318 in  () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#7  0x00007ff2715176db in start_thread (arg=0x7ff20df38700) at pthread_create.c:463
#8  0x00007ff27de2388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7ff20f7fe700 (LWP 1283)):
#0  0x00007ff27151ded9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7ff20f7fd700, expected=0, futex_word=0x7ff20f7fd8e8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007ff27151ded9 in __pthread_cond_wait_common (abstime=0x7ff20f7fd7a0, mutex=0x7ff20f7fd898, cond=0x7ff20f7fd8c0) at pthread_cond_wait.c:533
#2  0x00007ff27151ded9 in __pthread_cond_timedwait (cond=0x7ff20f7fd8c0, mutex=0x7ff20f7fd898, abstime=0x7ff20f7fd7a0) at pthread_cond_wait.c:667
#3  0x00007ff27784d177 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007ff27784dada in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007ff2777c7b70 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007ff2777ea49b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007ff27781cd21 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007ff27784fcd1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007ff2715176db in start_thread (arg=0x7ff20f7fe700) at pthread_create.c:463
#10 0x00007ff27de2388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7ff20ffff700 (LWP 1282)):
#0  0x00007ff27151d9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7ff2100049f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007ff27151d9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7ff210004938, cond=0x7ff2100049d0) at pthread_cond_wait.c:502
#2  0x00007ff27151d9f3 in __pthread_cond_wait (cond=0x7ff2100049d0, mutex=0x7ff210004938) at pthread_cond_wait.c:655
#3  0x00007ff27784d0a9 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007ff278116b28 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007ff27781e2df in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007ff27784fcd1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007ff2715176db in start_thread (arg=0x7ff20ffff700) at pthread_create.c:463
#8  0x00007ff27de2388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7ff21cff9700 (LWP 1280)):
#0  0x00007ff27de12187 in __GI___libc_write (fd=2, buf=0x7ff21cff5c40, nbytes=39) at ../sysdeps/unix/sysv/linux/write.c:27
#1  0x00007ff27dd8d1bd in _IO_new_file_write (f=0x7ff27e0ee680 <_IO_2_1_stderr_>, data=0x7ff21cff5c40, n=39) at fileops.c:1203
#2  0x00007ff27dd8db2f in new_do_write (to_do=<optimized out>, data=0x7ff21cff5c40 "[warn] epoll_wait: Bad file descriptor\n", fp=0x7ff27e0ee680 <_IO_2_1_stderr_>) at fileops.c:457
#3  0x00007ff27dd8db2f in _IO_new_file_xsputn (f=0x7ff27e0ee680 <_IO_2_1_stderr_>, data=<optimized out>, n=39) at fileops.c:1277
#4  0x00007ff27dd60707 in buffered_vfprintf (s=s@entry=0x7ff27e0ee680 <_IO_2_1_stderr_>, format=format@entry=0x7ff269b666a8 "[%s] %s\n", args=args@entry=0x7ff21cff8200) at vfprintf.c:2350
#5  0x00007ff27dd5d726 in _IO_vfprintf_internal (s=s@entry=0x7ff27e0ee680 <_IO_2_1_stderr_>, format=0x7ff269b666a8 "[%s] %s\n", ap=ap@entry=0x7ff21cff8200) at vfprintf.c:1301
#6  0x00007ff27de344c6 in ___fprintf_chk (fp=0x7ff27e0ee680 <_IO_2_1_stderr_>, flag=1, format=<optimized out>) at fprintf_chk.c:35
#7  0x00007ff269b4e9ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#8  0x00007ff269b4eb44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#9  0x00007ff269b5046c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#10 0x00007ff269b46114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#11 0x00007ff277853789 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007ff2777ea49b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007ff27781cd21 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007ff27784fcd1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007ff2715176db in start_thread (arg=0x7ff21cff9700) at pthread_create.c:463
#16 0x00007ff27de2388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7ff21d7fa700 (LWP 1277)):
#0  0x00007ff27151ded9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7ff21d7f9700, expected=0, futex_word=0x7ff21d7f98e8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007ff27151ded9 in __pthread_cond_wait_common (abstime=0x7ff21d7f97a0, mutex=0x7ff21d7f9898, cond=0x7ff21d7f98c0) at pthread_cond_wait.c:533
#2  0x00007ff27151ded9 in __pthread_cond_timedwait (cond=0x7ff21d7f98c0, mutex=0x7ff21d7f9898, abstime=0x7ff21d7f97a0) at pthread_cond_wait.c:667
#3  0x00007ff27784d177 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007ff27784dada in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007ff2777c7b70 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007ff2777ea49b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007ff27781cd21 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007ff27784fcd1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007ff2715176db in start_thread (arg=0x7ff21d7fa700) at pthread_create.c:463
#10 0x00007ff27de2388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7ff21dffb700 (LWP 1275)):
#0  0x00007ff27151ded9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7ff21dffa710, expected=0, futex_word=0x7ff21dffa8f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007ff27151ded9 in __pthread_cond_wait_common (abstime=0x7ff21dffa7b0, mutex=0x7ff21dffa8a8, cond=0x7ff21dffa8d0) at pthread_cond_wait.c:533
#2  0x00007ff27151ded9 in __pthread_cond_timedwait (cond=0x7ff21dffa8d0, mutex=0x7ff21dffa8a8, abstime=0x7ff21dffa7b0) at pthread_cond_wait.c:667
#3  0x00007ff27784d177 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007ff27784dada in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007ff27784dbc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007ff27780b851 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007ff27780e6b6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007ff27780e974 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007ff27784fcd1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007ff2715176db in start_thread (arg=0x7ff21dffb700) at pthread_create.c:463
#11 0x00007ff27de2388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7ff21e7fc700 (LWP 1274)):
#0  0x00007ff27151ded9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7ff21e7fb710, expected=0, futex_word=0x7ff21e7fb8f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007ff27151ded9 in __pthread_cond_wait_common (abstime=0x7ff21e7fb7b0, mutex=0x7ff21e7fb8a8, cond=0x7ff21e7fb8d0) at pthread_cond_wait.c:533
#2  0x00007ff27151ded9 in __pthread_cond_timedwait (cond=0x7ff21e7fb8d0, mutex=0x7ff21e7fb8a8, abstime=0x7ff21e7fb7b0) at pthread_cond_wait.c:667
#3  0x00007ff27784d177 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007ff27784dada in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007ff27784dbc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007ff27780b851 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007ff27780e6b6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007ff27780e974 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007ff27784fcd1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007ff2715176db in start_thread (arg=0x7ff21e7fc700) at pthread_create.c:463
#11 0x00007ff27de2388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7ff21f7fe700 (LWP 1271)):
#0  0x00007ff27151d9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7ff21f7fd908) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007ff27151d9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7ff21f7fd8b8, cond=0x7ff21f7fd8e0) at pthread_cond_wait.c:502
#2  0x00007ff27151d9f3 in __pthread_cond_wait (cond=0x7ff21f7fd8e0, mutex=0x7ff21f7fd8b8) at pthread_cond_wait.c:655
#3  0x00007ff27784d0a9 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007ff27784dae8 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007ff27784db7f in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007ff27780b868 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007ff27780e6b6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007ff27780e9b4 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007ff27784fcd1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007ff2715176db in start_thread (arg=0x7ff21f7fe700) at pthread_create.c:463
#11 0x00007ff27de2388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7ff21ffff700 (LWP 1270)):
[KCrash Handler]
#6  0x00007ff275c52946 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007ff277b50880 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007ff277ca6460 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007ff2773e7f1d in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007ff2773e8675 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007ff2773e881a in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007ff2773e88fe in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007ff2773e26f6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007ff2773e4c61 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007ff2773d7f5d in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#16 0x00007ff2773cf7a3 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#17 0x00007ff2760271a9 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#18 0x00007ff2760291e5 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#19 0x00007ff276029fd7 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#20 0x00007ff27602a19e in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#21 0x00007ff2773d449a in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#22 0x00007ff2773cf2e6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#23 0x00007ff2777a7133 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#24 0x00007ff2777ccc2a in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#25 0x00007ff2777cd2ef in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#26 0x00007ff2777cd478 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#27 0x00007ff277853772 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#28 0x00007ff2777ea49b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#29 0x00007ff2771a2754 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#30 0x00007ff27781ce78 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#31 0x00007ff27784fcd1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#32 0x00007ff2715176db in start_thread (arg=0x7ff21ffff700) at pthread_create.c:463
#33 0x00007ff27de2388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7ff235000700 (LWP 1269)):
#0  0x00007ff27151ded9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7ff234fff710, expected=0, futex_word=0x7ff234fff8f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007ff27151ded9 in __pthread_cond_wait_common (abstime=0x7ff234fff7b0, mutex=0x7ff234fff8a8, cond=0x7ff234fff8d0) at pthread_cond_wait.c:533
#2  0x00007ff27151ded9 in __pthread_cond_timedwait (cond=0x7ff234fff8d0, mutex=0x7ff234fff8a8, abstime=0x7ff234fff7b0) at pthread_cond_wait.c:667
#3  0x00007ff27784d177 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007ff27784dada in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007ff27784dbc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007ff27780b851 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007ff27780e6b6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007ff27780e974 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007ff27784fcd1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007ff2715176db in start_thread (arg=0x7ff235000700) at pthread_create.c:463
#11 0x00007ff27de2388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7ff235801700 (LWP 1267)):
#0  0x00007ff27151ded9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7ff235800710, expected=0, futex_word=0x7ff2358008f8) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007ff27151ded9 in __pthread_cond_wait_common (abstime=0x7ff2358007b0, mutex=0x7ff2358008a8, cond=0x7ff2358008d0) at pthread_cond_wait.c:533
#2  0x00007ff27151ded9 in __pthread_cond_timedwait (cond=0x7ff2358008d0, mutex=0x7ff2358008a8, abstime=0x7ff2358007b0) at pthread_cond_wait.c:667
#3  0x00007ff27784d177 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007ff27784dada in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007ff27784dbc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007ff27780b851 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007ff27780e6b6 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007ff27780e974 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007ff27784fcd1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007ff2715176db in start_thread (arg=0x7ff235801700) at pthread_create.c:463
#11 0x00007ff27de2388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7ff236002700 (LWP 1266)):
#0  0x00007ff27de326ac in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007ff27de34474 in ___fprintf_chk (fp=0x7ff27e0ef8b0 <_IO_stdfile_2_lock>, flag=1, format=0x7ff269b666a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007ff269b4e9ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007ff269b4eb44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007ff269b5046c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007ff269b46114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007ff2778538c4 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007ff2777ea49b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007ff277811f44 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007ff27781ce78 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007ff27784fcd1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007ff2715176db in start_thread (arg=0x7ff236002700) at pthread_create.c:463
#12 0x00007ff27de2388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7ff236803700 (LWP 1265)):
#0  0x00007ff27de326ac in __lll_lock_wait_private () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007ff27de34474 in ___fprintf_chk (fp=0x7ff27e0ef8b0 <_IO_stdfile_2_lock>, flag=1, format=0x7ff269b666a8 "[%s] %s\n") at fprintf_chk.c:30
#2  0x00007ff269b4e9ad in event_logv_ () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007ff269b4eb44 in event_warn () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007ff269b5046c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007ff269b46114 in event_base_loop () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007ff277853789 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007ff2777ea49b in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007ff27781cd21 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007ff27784fcd1 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007ff2715176db in start_thread (arg=0x7ff236803700) at pthread_create.c:463
#11 0x00007ff27de2388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7ff23ef3a700 (LWP 1257)):
#0  0x00007ff26f23b049 in g_mutex_lock () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007ff26f1f4905 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff26f1f546b in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff26f1f564c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ff27e75915b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ff27e6fa64a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007ff27e52241a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007ff28043d015 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007ff27e523bc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007ff2715176db in start_thread (arg=0x7ff23ef3a700) at pthread_create.c:463
#10 0x00007ff27de2388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7ff2452f6700 (LWP 1255)):
#0  0x00007ff27151d9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55704c2f872c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007ff27151d9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55704c2f86d8, cond=0x55704c2f8700) at pthread_cond_wait.c:502
#2  0x00007ff27151d9f3 in __pthread_cond_wait (cond=0x55704c2f8700, mutex=0x55704c2f86d8) at pthread_cond_wait.c:655
#3  0x00007ff246695dcb in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007ff246695af7 in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007ff2715176db in start_thread (arg=0x7ff2452f6700) at pthread_create.c:463
#6  0x00007ff27de2388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7ff24e130700 (LWP 1254)):
#0  0x00007ff27de16bf9 in __GI___poll (fds=0x7ff24e12f8f8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ff26ed87747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007ff26ed8936a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007ff24ee2332a in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007ff27e523bc2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007ff2715176db in start_thread (arg=0x7ff24e130700) at pthread_create.c:463
#6  0x00007ff27de2388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7ff282070bc0 (LWP 1253)):
#0  0x00007ff27151d9f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55704ea25320) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007ff27151d9f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x55704c2af428, cond=0x55704ea252f8) at pthread_cond_wait.c:502
#2  0x00007ff27151d9f3 in __pthread_cond_wait (cond=0x55704ea252f8, mutex=0x55704c2af428) at pthread_cond_wait.c:655
#3  0x00007ff26ed87952 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#4  0x00007ff26ed8945a in xcb_wait_for_special_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#5  0x00007ff24c1f15eb in  () at /usr/lib/x86_64-linux-gnu/libGLX_mesa.so.0
#6  0x00007ff24c1f1738 in  () at /usr/lib/x86_64-linux-gnu/libGLX_mesa.so.0
#7  0x00007ff24c1f290e in  () at /usr/lib/x86_64-linux-gnu/libGLX_mesa.so.0
#8  0x00007ff24c1f3889 in  () at /usr/lib/x86_64-linux-gnu/libGLX_mesa.so.0
#9  0x00007ff2467e6009 in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#10 0x00007ff2467e6321 in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#11 0x00007ff2467e1789 in  () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#12 0x00007ff27efd7a1b in QPlatformBackingStore::composeAndFlush(QWindow*, QRegion const&, QPoint const&, QPlatformTextureList*, bool) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#13 0x00007ff24ee1a44b in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#14 0x00007ff27f4ff544 in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007ff27f500c44 in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007ff27f50233b in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007ff27f502565 in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007ff27f51a93f in QWidgetPrivate::syncBackingStore() () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007ff27f5329a8 in QWidget::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007ff27f63b030 in QMainWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x00007ff280dfab61 in KMainWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#22 0x00007ff280e409c5 in KXmlGuiWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#23 0x00007ff27f4f283c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007ff27f4f9dd0 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007ff27e6fc328 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007ff27e6fee87 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007ff27e759b23 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007ff26f1f5387 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007ff26f1f55c0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007ff26f1f564c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007ff27e75913f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007ff27e6fa64a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007ff27e703800 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x000055704b5029c0 in main(int, char**) (argc=<optimized out>, argv=<optimized out>) at ./src/main.cpp:122
================================================================================