[akregator] [Bug 412771] New: Akregator crashes when clicking a link in a web page

Thomas Iguchi bugzilla_noreply at kde.org
Wed Oct 9 16:13:43 BST 2019 

https://bugs.kde.org/show_bug.cgi?id=412771

            Bug ID: 412771
           Summary: Akregator crashes when clicking a link in a web page
           Product: akregator
           Version: 5.12.1
          Platform: Neon Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kdepim-bugs at kde.org
          Reporter: ti at nobu-games.com
  Target Milestone: ---

Application: akregator (5.12.1)

Qt Version: 5.13.1
Frameworks Version: 5.62.0
Operating System: Linux 5.0.0-31-generic x86_64
Distribution: KDE neon User Edition 5.16

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

Links in web pages cause Akregator to crash.
In this case I tried to open a link on a Reddit page.

The crash can be reproduced every time.

-- Backtrace:
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 0x7f4c6fb82bc0 (LWP 12051))]

Thread 22 (Thread 0x7f4b2e7be700 (LWP 12179)):
#0  0x00007f4c5de6bed9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f4b2e7bd6f0, expected=0, futex_word=0x7f4b2e7bd8c8) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f4c5de6bed9 in __pthread_cond_wait_common (abstime=0x7f4b2e7bd790,
mutex=0x7f4b2e7bd878, cond=0x7f4b2e7bd8a0) at pthread_cond_wait.c:533
#2  0x00007f4c5de6bed9 in __pthread_cond_timedwait (cond=0x7f4b2e7bd8a0,
mutex=0x7f4b2e7bd878, abstime=0x7f4b2e7bd790) at pthread_cond_wait.c:667
#3  0x00007f4c64c480c6 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f4c64c48a5d in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f4c64c48bf2 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f4c64c01ca1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f4c64c04bad in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f4c64c052d4 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f4c64c4aa65 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f4c5de656db in start_thread (arg=0x7f4b2e7be700) at
pthread_create.c:463
#11 0x00007f4c6b91388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7f4b2f93f700 (LWP 12177)):
#0  0x00007f4c5de6b9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f4b2f93e8d8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f4c5de6b9f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f4b2f93e888, cond=0x7f4b2f93e8b0) at pthread_cond_wait.c:502
#2  0x00007f4c5de6b9f3 in __pthread_cond_wait (cond=0x7f4b2f93e8b0,
mutex=0x7f4b2f93e888) at pthread_cond_wait.c:655
#3  0x00007f4c64c47fca in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f4c64c48a6c in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f4c64c48baf in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f4c64c01c75 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f4c64c04bad in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f4c64c05314 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f4c64c4aa65 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f4c5de656db in start_thread (arg=0x7f4b2f93f700) at
pthread_create.c:463
#11 0x00007f4c6b91388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7f4b3ebeb700 (LWP 12097)):
#0  0x00007f4c5de6bed9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f4b3ebea6f0, expected=0, futex_word=0x7f4b3ebea8c8) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f4c5de6bed9 in __pthread_cond_wait_common (abstime=0x7f4b3ebea790,
mutex=0x7f4b3ebea878, cond=0x7f4b3ebea8a0) at pthread_cond_wait.c:533
#2  0x00007f4c5de6bed9 in __pthread_cond_timedwait (cond=0x7f4b3ebea8a0,
mutex=0x7f4b3ebea878, abstime=0x7f4b3ebea790) at pthread_cond_wait.c:667
#3  0x00007f4c64c480c6 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f4c64c48a5d in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f4c64c48bf2 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f4c64c01ca1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f4c64c04f0b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f4c64c052d4 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f4c64c4aa65 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f4c5de656db in start_thread (arg=0x7f4b3ebeb700) at
pthread_create.c:463
#11 0x00007f4c6b91388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f4b3f56c700 (LWP 12096)):
#0  0x00007f4c5de6b9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f4b3f56b8d8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f4c5de6b9f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f4b3f56b888, cond=0x7f4b3f56b8b0) at pthread_cond_wait.c:502
#2  0x00007f4c5de6b9f3 in __pthread_cond_wait (cond=0x7f4b3f56b8b0,
mutex=0x7f4b3f56b888) at pthread_cond_wait.c:655
#3  0x00007f4c64c47fca in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f4c64c48a6c in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f4c64c48baf in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f4c64c01c75 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f4c64c04f0b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f4c64c05314 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f4c64c4aa65 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f4c5de656db in start_thread (arg=0x7f4b3f56c700) at
pthread_create.c:463
#11 0x00007f4c6b91388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f4bdd100700 (LWP 12081)):
#0  0x00007f4c5de6b9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f4bdd0ff8d8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f4c5de6b9f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f4bdd0ff888, cond=0x7f4bdd0ff8b0) at pthread_cond_wait.c:502
#2  0x00007f4c5de6b9f3 in __pthread_cond_wait (cond=0x7f4bdd0ff8b0,
mutex=0x7f4bdd0ff888) at pthread_cond_wait.c:655
#3  0x00007f4c64c47fca in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f4c64c48a6c in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f4c64c48baf in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f4c64c01c75 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f4c64c04f0b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f4c64c05354 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f4c64c4aa65 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f4c5de656db in start_thread (arg=0x7f4bdd100700) at
pthread_create.c:463
#11 0x00007f4c6b91388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f4bde79f700 (LWP 12080)):
#0  0x00007f4c5de6b9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f4c4b074fb8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f4c5de6b9f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f4c4b074f68, cond=0x7f4c4b074f90) at pthread_cond_wait.c:502
#2  0x00007f4c5de6b9f3 in __pthread_cond_wait (cond=0x7f4c4b074f90,
mutex=0x7f4c4b074f68) at pthread_cond_wait.c:655
#3  0x00007f4c4ad7f874 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007f4c4ad7f8b9 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007f4c5de656db in start_thread (arg=0x7f4bde79f700) at
pthread_create.c:463
#6  0x00007f4c6b91388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f4bdf7fe700 (LWP 12079)):
#0  0x00007f4c6b906bf9 in __GI___poll (fds=0x7f4bc4004a10, nfds=1,
timeout=9767) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f4c5bb425c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4c5bb426dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4c6c2599db in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f4bc4000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f4c6c1f9eaa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7f4bdf7fd9e0, flags=..., flags at entry=...) at
kernel/qeventloop.cpp:225
#5  0x00007f4c6c0153ca in QThread::exec() (this=<optimized out>) at
thread/qthread.cpp:531
#6  0x00007f4c6c016b72 in QThreadPrivate::start(void*) (arg=0x5597e5ebac90) at
thread/qthread_unix.cpp:360
#7  0x00007f4c5de656db in start_thread (arg=0x7f4bdf7fe700) at
pthread_create.c:463
#8  0x00007f4c6b91388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f4bdffff700 (LWP 12078)):
#0  0x00007f4c6b9020b4 in __GI___libc_read (fd=48, buf=0x7f4bdfffe81e,
nbytes=10) at ../sysdeps/unix/sysv/linux/read.c:27
#1  0x00007f4c2acc3021 in pa_read () at
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#2  0x00007f4c2b146a2e in pa_mainloop_prepare () at
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007f4c2b1474a0 in pa_mainloop_iterate () at
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f4c2b147560 in pa_mainloop_run () at
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f4c2b1553c9 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f4c2acf2318 in  () at
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#7  0x00007f4c5de656db in start_thread (arg=0x7f4bdffff700) at
pthread_create.c:463
#8  0x00007f4c6b91388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f4c08ff9700 (LWP 12077)):
#0  0x00007f4c6b9226ac in __lll_lock_wait_private () at
../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f4c6b924474 in ___fprintf_chk (fp=0x7f4c6bbdf8b0
<_IO_stdfile_2_lock>, flag=1, format=0x7f4c5647f6a8 "[%s] %s\n") at
fprintf_chk.c:30
#2  0x00007f4c564679ad in event_logv_ () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f4c56467b44 in event_warn () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f4c5646946c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f4c5645f114 in event_base_loop () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f4c64c4e9bd in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f4c64bdb786 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f4c64c130e9 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f4c64c4aa65 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f4c5de656db in start_thread (arg=0x7f4c08ff9700) at
pthread_create.c:463
#11 0x00007f4c6b91388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f4c097fa700 (LWP 12076)):
#0  0x00007f4c5de6bed9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f4c097f9670, expected=0, futex_word=0x7f4c097f9848) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f4c5de6bed9 in __pthread_cond_wait_common (abstime=0x7f4c097f9710,
mutex=0x7f4c097f97f8, cond=0x7f4c097f9820) at pthread_cond_wait.c:533
#2  0x00007f4c5de6bed9 in __pthread_cond_timedwait (cond=0x7f4c097f9820,
mutex=0x7f4c097f97f8, abstime=0x7f4c097f9710) at pthread_cond_wait.c:667
#3  0x00007f4c64c480c6 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f4c64c48a5d in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f4c64bb9860 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f4c64bdb786 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f4c64c130e9 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f4c64c4aa65 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f4c5de656db in start_thread (arg=0x7f4c097fa700) at
pthread_create.c:463
#10 0x00007f4c6b91388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f4c0a7fc700 (LWP 12074)):
#0  0x00007f4c5de6b9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f4c0a7fb828) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f4c5de6b9f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f4c0a7fb7d8, cond=0x7f4c0a7fb800) at pthread_cond_wait.c:502
#2  0x00007f4c5de6b9f3 in __pthread_cond_wait (cond=0x7f4c0a7fb800,
mutex=0x7f4c0a7fb7d8) at pthread_cond_wait.c:655
#3  0x00007f4c64c47fca in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f4c64c48a6c in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f4c64c48baf in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f4c64bb984f in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f4c64bdb786 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f4c64c130e9 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f4c64c4aa65 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f4c5de656db in start_thread (arg=0x7f4c0a7fc700) at
pthread_create.c:463
#11 0x00007f4c6b91388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f4c0affd700 (LWP 12073)):
#0  0x00007f4c5de6b9f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x5597e5d97918) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f4c5de6b9f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x5597e5d97858, cond=0x5597e5d978f0) at pthread_cond_wait.c:502
#2  0x00007f4c5de6b9f3 in __pthread_cond_wait (cond=0x5597e5d978f0,
mutex=0x5597e5d97858) at pthread_cond_wait.c:655
#3  0x00007f4c64c47fca in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f4c658c6bd8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f4c64c187ff in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f4c64c4aa65 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f4c5de656db in start_thread (arg=0x7f4c0affd700) at
pthread_create.c:463
#8  0x00007f4c6b91388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f4c0b7fe700 (LWP 12072)):
#0  0x00007f4c5de6bed9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f4c0b7fd6f0, expected=0, futex_word=0x7f4c0b7fd8c8) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f4c5de6bed9 in __pthread_cond_wait_common (abstime=0x7f4c0b7fd790,
mutex=0x7f4c0b7fd878, cond=0x7f4c0b7fd8a0) at pthread_cond_wait.c:533
#2  0x00007f4c5de6bed9 in __pthread_cond_timedwait (cond=0x7f4c0b7fd8a0,
mutex=0x7f4c0b7fd878, abstime=0x7f4c0b7fd790) at pthread_cond_wait.c:667
#3  0x00007f4c64c480c6 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f4c64c48a5d in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f4c64c48bf2 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f4c64c01ca1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f4c64c04f0b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f4c64c052d4 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f4c64c4aa65 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f4c5de656db in start_thread (arg=0x7f4c0b7fe700) at
pthread_create.c:463
#11 0x00007f4c6b91388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f4c0bfff700 (LWP 12071)):
#0  0x00007f4c6b9226ac in __lll_lock_wait_private () at
../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f4c6b924474 in ___fprintf_chk (fp=0x7f4c6bbdf8b0
<_IO_stdfile_2_lock>, flag=1, format=0x7f4c5647f6a8 "[%s] %s\n") at
fprintf_chk.c:30
#2  0x00007f4c564679ad in event_logv_ () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f4c56467b44 in event_warn () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f4c5646946c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f4c5645f114 in event_base_loop () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f4c64c4ea8a in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f4c64bdb786 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f4c64154f64 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f4c64c13258 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f4c64c4aa65 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f4c5de656db in start_thread (arg=0x7f4c0bfff700) at
pthread_create.c:463
#12 0x00007f4c6b91388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f4c20e2b700 (LWP 12070)):
#0  0x00007f4c5de6bed9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f4c20e2a6f0, expected=0, futex_word=0x7f4c20e2a8c8) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f4c5de6bed9 in __pthread_cond_wait_common (abstime=0x7f4c20e2a790,
mutex=0x7f4c20e2a878, cond=0x7f4c20e2a8a0) at pthread_cond_wait.c:533
#2  0x00007f4c5de6bed9 in __pthread_cond_timedwait (cond=0x7f4c20e2a8a0,
mutex=0x7f4c20e2a878, abstime=0x7f4c20e2a790) at pthread_cond_wait.c:667
#3  0x00007f4c64c480c6 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f4c64c48a5d in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f4c64c48bf2 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f4c64c01ca1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f4c64c04f0b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f4c64c052d4 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f4c64c4aa65 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f4c5de656db in start_thread (arg=0x7f4c20e2b700) at
pthread_create.c:463
#11 0x00007f4c6b91388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f4c21e2d700 (LWP 12068)):
#0  0x00007f4c6b9226ac in __lll_lock_wait_private () at
../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f4c6b924474 in ___fprintf_chk (fp=0x7f4c6bbdf8b0
<_IO_stdfile_2_lock>, flag=1, format=0x7f4c5647f6a8 "[%s] %s\n") at
fprintf_chk.c:30
#2  0x00007f4c564679ad in event_logv_ () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f4c56467b44 in event_warn () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f4c5646946c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f4c5645f114 in event_base_loop () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f4c64c4e9bd in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f4c64bdb786 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f4c64c130e9 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f4c64c4aa65 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f4c5de656db in start_thread (arg=0x7f4c21e2d700) at
pthread_create.c:463
#11 0x00007f4c6b91388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f4c29143700 (LWP 12061)):
#0  0x00007f4c5de6bed9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f4c291426f0, expected=0, futex_word=0x7f4c291428c8) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f4c5de6bed9 in __pthread_cond_wait_common (abstime=0x7f4c29142790,
mutex=0x7f4c29142878, cond=0x7f4c291428a0) at pthread_cond_wait.c:533
#2  0x00007f4c5de6bed9 in __pthread_cond_timedwait (cond=0x7f4c291428a0,
mutex=0x7f4c29142878, abstime=0x7f4c29142790) at pthread_cond_wait.c:667
#3  0x00007f4c64c480c6 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f4c64c48a5d in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f4c64c48bf2 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f4c64c01ca1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f4c64c04f0b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f4c64c052d4 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f4c64c4aa65 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f4c5de656db in start_thread (arg=0x7f4c29143700) at
pthread_create.c:463
#11 0x00007f4c6b91388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f4c29944700 (LWP 12060)):
#0  0x00007f4c5de6bed9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f4c299436f0, expected=0, futex_word=0x7f4c299438c8) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f4c5de6bed9 in __pthread_cond_wait_common (abstime=0x7f4c29943790,
mutex=0x7f4c29943878, cond=0x7f4c299438a0) at pthread_cond_wait.c:533
#2  0x00007f4c5de6bed9 in __pthread_cond_timedwait (cond=0x7f4c299438a0,
mutex=0x7f4c29943878, abstime=0x7f4c29943790) at pthread_cond_wait.c:667
#3  0x00007f4c64c480c6 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f4c64c48a5d in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f4c64c48bf2 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f4c64c01ca1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f4c64c04f0b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f4c64c052d4 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f4c64c4aa65 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f4c5de656db in start_thread (arg=0x7f4c29944700) at
pthread_create.c:463
#11 0x00007f4c6b91388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f4c2a145700 (LWP 12059)):
#0  0x00007f4c6b902187 in __GI___libc_write (fd=2, buf=0x7f4c2a141b90,
nbytes=39) at ../sysdeps/unix/sysv/linux/write.c:27
#1  0x00007f4c6b87d1bd in _IO_new_file_write (f=0x7f4c6bbde680
<_IO_2_1_stderr_>, data=0x7f4c2a141b90, n=39) at fileops.c:1203
#2  0x00007f4c6b87db2f in new_do_write (to_do=<optimized out>,
data=0x7f4c2a141b90 "[warn] epoll_wait: Bad file descriptor\n",
fp=0x7f4c6bbde680 <_IO_2_1_stderr_>) at fileops.c:457
#3  0x00007f4c6b87db2f in _IO_new_file_xsputn (f=0x7f4c6bbde680
<_IO_2_1_stderr_>, data=<optimized out>, n=39) at fileops.c:1277
#4  0x00007f4c6b850707 in buffered_vfprintf (s=s at entry=0x7f4c6bbde680
<_IO_2_1_stderr_>, format=format at entry=0x7f4c5647f6a8 "[%s] %s\n",
args=args at entry=0x7f4c2a144150) at vfprintf.c:2350
#5  0x00007f4c6b84d726 in _IO_vfprintf_internal (s=s at entry=0x7f4c6bbde680
<_IO_2_1_stderr_>, format=0x7f4c5647f6a8 "[%s] %s\n",
ap=ap at entry=0x7f4c2a144150) at vfprintf.c:1301
#6  0x00007f4c6b9244c6 in ___fprintf_chk (fp=0x7f4c6bbde680 <_IO_2_1_stderr_>,
flag=1, format=<optimized out>) at fprintf_chk.c:35
#7  0x00007f4c564679ad in event_logv_ () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#8  0x00007f4c56467b44 in event_warn () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#9  0x00007f4c5646946c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#10 0x00007f4c5645f114 in event_base_loop () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#11 0x00007f4c64c4ea8a in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f4c64bdb786 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f4c64c0ae14 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007f4c64c13258 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007f4c64c4aa65 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#16 0x00007f4c5de656db in start_thread (arg=0x7f4c2a145700) at
pthread_create.c:463
#17 0x00007f4c6b91388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f4c30e67700 (LWP 12056)):
#0  0x00007f4c6b906bf9 in __GI___poll (fds=0x7f4c2c01b060, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f4c5bb425c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4c5bb426dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4c6c2599db in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f4c2c000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f4c6c1f9eaa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7f4c30e669b0, flags=..., flags at entry=...) at
kernel/qeventloop.cpp:225
#5  0x00007f4c6c0153ca in QThread::exec() (this=<optimized out>) at
thread/qthread.cpp:531
#6  0x00007f4c6df5b0e5 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f4c6c016b72 in QThreadPrivate::start(void*) (arg=0x7f4c6e1d2d80) at
thread/qthread_unix.cpp:360
#8  0x00007f4c5de656db in start_thread (arg=0x7f4c30e67700) at
pthread_create.c:463
#9  0x00007f4c6b91388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f4c39641700 (LWP 12052)):
#0  0x00007f4c6b906bf9 in __GI___poll (fds=0x7f4c396408e8, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f4c5b6d4747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f4c5b6d636a in xcb_wait_for_event () at
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f4c3b58cf00 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f4c6c016b72 in QThreadPrivate::start(void*) (arg=0x5597e572c540) at
thread/qthread_unix.cpp:360
#5  0x00007f4c5de656db in start_thread (arg=0x7f4c39641700) at
pthread_create.c:463
#6  0x00007f4c6b91388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f4c6fb82bc0 (LWP 12051)):
[KCrash Handler]
#6  0x00007f4c62902bcf in QtWebEngineCore::ProfileAdapter::httpUserAgent()
const () at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f4c62932ab7 in
QtWebEngineCore::WebContentsAdapter::initialize(content::SiteInstance*) () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f4c6293b3ca in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f4c645f1b60 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f4c642f3f23 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f4c632cdb04 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f4c642d7beb in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f4c64f59789 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007f4c6542ca5a in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007f4c64b9b34d in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#16 0x00007f4c64bb7a5e in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#17 0x00007f4c64bb8d6d in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#18 0x00007f4c64bb9044 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#19 0x00007f4c628a95e0 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#20 0x00007f4c6c22d22b in QObject::event(QEvent*) (this=0x5597e5d28de0,
e=<optimized out>) at kernel/qobject.cpp:1282
#21 0x00007f4c6d000eac in QApplicationPrivate::notify_helper(QObject*, QEvent*)
(this=this at entry=0x5597e56e3e80, receiver=receiver at entry=0x5597e5d28de0,
e=e at entry=0x7f4bf842d570) at kernel/qapplication.cpp:3703
#22 0x00007f4c6d0084b0 in QApplication::notify(QObject*, QEvent*)
(this=0x7ffd3cdc8d40, receiver=0x5597e5d28de0, e=0x7f4bf842d570) at
kernel/qapplication.cpp:3449
#23 0x00007f4c6c1fbd48 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
(receiver=0x5597e5d28de0, event=0x7f4bf842d570) at
kernel/qcoreapplication.cpp:1095
#24 0x00007f4c6c1fbf1e in QCoreApplication::sendEvent(QObject*, QEvent*)
(receiver=<optimized out>, event=event at entry=0x7f4bf842d570) at
kernel/qcoreapplication.cpp:1490
#25 0x00007f4c6c1fe667 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) (receiver=receiver at entry=0x0, event_type=event_type at entry=0,
data=0x5597e56e2490) at kernel/qcoreapplication.cpp:1840
#26 0x00007f4c6c1febf8 in QCoreApplication::sendPostedEvents(QObject*, int)
(receiver=receiver at entry=0x0, event_type=event_type at entry=0) at
kernel/qcoreapplication.cpp:1694
#27 0x00007f4c6c25a3a3 in postEventSourceDispatch(GSource*, GSourceFunc,
gpointer) (s=0x5597e5778200) at kernel/qeventdispatcher_glib.cpp:277
#28 0x00007f4c5bb42417 in g_main_context_dispatch () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f4c5bb42650 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007f4c5bb426dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007f4c6c2599bf in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x5597e578d950, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#32 0x00007f4c6c1f9eaa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7ffd3cdc8ba0, flags=..., flags at entry=...) at
kernel/qeventloop.cpp:225
#33 0x00007f4c6c203220 in QCoreApplication::exec() () at
kernel/qcoreapplication.cpp:1403
#34 0x00005597e4ee0a2b in main(int, char**) (argc=<optimized out>,
argv=<optimized out>) at ./src/main.cpp:123

Reported using DrKonqi

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