[kmail2] [Bug 412606] New: kmail segmentation fault after having clicked on a mailto:sales at company.com link in firefox browser.

Nick bugzilla_noreply at kde.org
Fri Oct 4 16:46:48 BST 2019 

https://bugs.kde.org/show_bug.cgi?id=412606

            Bug ID: 412606
           Summary: kmail segmentation fault after having clicked on a
                    mailto:sales at company.com link in firefox browser.
           Product: kmail2
           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: nick.craig.law at gmail.com
  Target Milestone: ---

Application: kmail (5.12.1)

Qt Version: 5.12.3
Frameworks Version: 5.62.0
Operating System: Linux 4.15.0-65-generic x86_64
Distribution: KDE neon User Edition 5.16

-- Information about the crash:
Was using the Firefox browser and clicked on a link on a web page
"sales at company.com". A dialogue box opens with a list of possible applications
to use of which kmail was one of them. I highlighted kmail, clicked the 'open
link' button and kmail crashed with a segmentation fault. 100% reproducable.

The kmail segmentation fault also happens if I use the Chrome browser.

The crash can be reproduced every time.

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f2188adcbc0 (LWP 2957))]

Thread 20 (Thread 0x7f211a7fc700 (LWP 3004)):
#0  0x00007f21bc1409f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f211a7fb908) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f21bc1409f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f211a7fb8b8, cond=0x7f211a7fb8e0) at pthread_cond_wait.c:502
#2  0x00007f21bc1409f3 in __pthread_cond_wait (cond=0x7f211a7fb8e0,
mutex=0x7f211a7fb8b8) at pthread_cond_wait.c:655
#3  0x00007f21a68cca49 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f21a68cd478 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f21a68cd50f in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f21a688dfc8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f21a68907f6 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f21a6890b34 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f21a68cf561 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f21bc13a6db in start_thread (arg=0x7f211a7fc700) at
pthread_create.c:463
#11 0x00007f21bc47388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f211affd700 (LWP 3003)):
#0  0x00007f21bc4826ac in __lll_lock_wait_private () at
../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f21bc484474 in ___fprintf_chk (fp=0x7f21bc73f8b0
<_IO_stdfile_2_lock>, flag=1, format=0x7f219c1ac6a8 "[%s] %s\n") at
fprintf_chk.c:30
#2  0x00007f219c1949ad in event_logv_ () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f219c194b44 in event_warn () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f219c19646c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f219c18c114 in event_base_loop () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f21a68d2db4 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f21a686d2db in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f21a689f311 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f21a68cf561 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f21bc13a6db in start_thread (arg=0x7f211affd700) at
pthread_create.c:463
#11 0x00007f21bc47388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f211b7fe700 (LWP 3001)):
#0  0x00007f21bc140ed9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f211b7fd710, expected=0, futex_word=0x7f211b7fd8f8) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f21bc140ed9 in __pthread_cond_wait_common (abstime=0x7f211b7fd7b0,
mutex=0x7f211b7fd8a8, cond=0x7f211b7fd8d0) at pthread_cond_wait.c:533
#2  0x00007f21bc140ed9 in __pthread_cond_timedwait (cond=0x7f211b7fd8d0,
mutex=0x7f211b7fd8a8, abstime=0x7f211b7fd7b0) at pthread_cond_wait.c:667
#3  0x00007f21a68ccb17 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f21a68cd46a in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f21a68cd552 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f21a688dfb1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f21a68904c7 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f21a6890ab4 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f21a68cf561 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f21bc13a6db in start_thread (arg=0x7f211b7fe700) at
pthread_create.c:463
#11 0x00007f21bc47388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7f211bfff700 (LWP 3000)):
#0  0x00007f21bc466bf9 in __GI___poll (fds=0x7f2114007030, nfds=3, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f219ec23481 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007f219ec14e40 in pa_mainloop_poll () at
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007f219ec154d0 in pa_mainloop_iterate () at
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f219ec15560 in pa_mainloop_run () at
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f219ec233c9 in  () at /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f21969cc318 in  () at
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so
#7  0x00007f21bc13a6db in start_thread (arg=0x7f211bfff700) at
pthread_create.c:463
#8  0x00007f21bc47388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7f214cff9700 (LWP 2999)):
#0  0x00007f21bc4826ac in __lll_lock_wait_private () at
../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f21bc484474 in ___fprintf_chk (fp=0x7f21bc73f8b0
<_IO_stdfile_2_lock>, flag=1, format=0x7f219c1ac6a8 "[%s] %s\n") at
fprintf_chk.c:30
#2  0x00007f219c1949ad in event_logv_ () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f219c194b44 in event_warn () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f219c19646c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f219c18c114 in event_base_loop () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f21a68d2ccd in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f21a686d2db in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f21a689f311 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f21a68cf561 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f21bc13a6db in start_thread (arg=0x7f214cff9700) at
pthread_create.c:463
#11 0x00007f21bc47388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7f214d7fa700 (LWP 2998)):
#0  0x00007f21bc1409f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f214d7f98c8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f21bc1409f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f214d7f9878, cond=0x7f214d7f98a0) at pthread_cond_wait.c:502
#2  0x00007f21bc1409f3 in __pthread_cond_wait (cond=0x7f214d7f98a0,
mutex=0x7f214d7f9878) at pthread_cond_wait.c:655
#3  0x00007f21a68cca49 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f21a68cd478 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f21a68cd50f in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f21a684ba6f in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f21a686d2db in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f21a689f311 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f21a68cf561 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f21bc13a6db in start_thread (arg=0x7f214d7fa700) at
pthread_create.c:463
#11 0x00007f21bc47388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f214dffb700 (LWP 2997)):
#0  0x00007f21bc140ed9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f214dffa700, expected=0, futex_word=0x7f214dffa8e8) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f21bc140ed9 in __pthread_cond_wait_common (abstime=0x7f214dffa7a0,
mutex=0x7f214dffa898, cond=0x7f214dffa8c0) at pthread_cond_wait.c:533
#2  0x00007f21bc140ed9 in __pthread_cond_timedwait (cond=0x7f214dffa8c0,
mutex=0x7f214dffa898, abstime=0x7f214dffa7a0) at pthread_cond_wait.c:667
#3  0x00007f21a68ccb17 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f21a68cd46a in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f21a684ba80 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f21a686d2db in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f21a689f311 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f21a68cf561 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f21bc13a6db in start_thread (arg=0x7f214dffb700) at
pthread_create.c:463
#10 0x00007f21bc47388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f214e7fc700 (LWP 2996)):
#0  0x00007f21bc1409f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x55aa303a9f88) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f21bc1409f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x55aa303a9ec8, cond=0x55aa303a9f60) at pthread_cond_wait.c:502
#2  0x00007f21bc1409f3 in __pthread_cond_wait (cond=0x55aa303a9f60,
mutex=0x55aa303a9ec8) at pthread_cond_wait.c:655
#3  0x00007f21a68cca49 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f21a7185178 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f21a68a07df in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f21a68cf561 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f21bc13a6db in start_thread (arg=0x7f214e7fc700) at
pthread_create.c:463
#8  0x00007f21bc47388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f214effd700 (LWP 2995)):
#0  0x00007f21bc1409f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f214effc908) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f21bc1409f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7f214effc8b8, cond=0x7f214effc8e0) at pthread_cond_wait.c:502
#2  0x00007f21bc1409f3 in __pthread_cond_wait (cond=0x7f214effc8e0,
mutex=0x7f214effc8b8) at pthread_cond_wait.c:655
#3  0x00007f21a68cca49 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f21a68cd478 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f21a68cd50f in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f21a688dfc8 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f21a68907f6 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f21a6890af4 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f21a68cf561 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f21bc13a6db in start_thread (arg=0x7f214effd700) at
pthread_create.c:463
#11 0x00007f21bc47388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f214f7fe700 (LWP 2994)):
#0  0x00007f21bc4826ac in __lll_lock_wait_private () at
../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f21bc484474 in ___fprintf_chk (fp=0x7f21bc73f8b0
<_IO_stdfile_2_lock>, flag=1, format=0x7f219c1ac6a8 "[%s] %s\n") at
fprintf_chk.c:30
#2  0x00007f219c1949ad in event_logv_ () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f219c194b44 in event_warn () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f219c19646c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f219c18c114 in event_base_loop () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f21a68d2c79 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f21a686d2db in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f21a6234514 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f21a689f468 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f21a68cf561 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f21bc13a6db in start_thread (arg=0x7f214f7fe700) at
pthread_create.c:463
#12 0x00007f21bc47388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f214ffff700 (LWP 2993)):
#0  0x00007f21bc140ed9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f214fffe710, expected=0, futex_word=0x7f214fffe8f8) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f21bc140ed9 in __pthread_cond_wait_common (abstime=0x7f214fffe7b0,
mutex=0x7f214fffe8a8, cond=0x7f214fffe8d0) at pthread_cond_wait.c:533
#2  0x00007f21bc140ed9 in __pthread_cond_timedwait (cond=0x7f214fffe8d0,
mutex=0x7f214fffe8a8, abstime=0x7f214fffe7b0) at pthread_cond_wait.c:667
#3  0x00007f21a68ccb17 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f21a68cd46a in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f21a68cd552 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f21a688dfb1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f21a68907f6 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f21a6890ab4 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f21a68cf561 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f21bc13a6db in start_thread (arg=0x7f214ffff700) at
pthread_create.c:463
#11 0x00007f21bc47388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f215cff9700 (LWP 2992)):
#0  0x00007f21bc140ed9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f215cff8710, expected=0, futex_word=0x7f215cff88f8) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f21bc140ed9 in __pthread_cond_wait_common (abstime=0x7f215cff87b0,
mutex=0x7f215cff88a8, cond=0x7f215cff88d0) at pthread_cond_wait.c:533
#2  0x00007f21bc140ed9 in __pthread_cond_timedwait (cond=0x7f215cff88d0,
mutex=0x7f215cff88a8, abstime=0x7f215cff87b0) at pthread_cond_wait.c:667
#3  0x00007f21a68ccb17 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f21a68cd46a in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f21a68cd552 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f21a688dfb1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f21a68907f6 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f21a6890ab4 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f21a68cf561 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f21bc13a6db in start_thread (arg=0x7f215cff9700) at
pthread_create.c:463
#11 0x00007f21bc47388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f215d7fa700 (LWP 2991)):
#0  0x00007f21bc140ed9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f215d7f9710, expected=0, futex_word=0x7f215d7f98f8) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f21bc140ed9 in __pthread_cond_wait_common (abstime=0x7f215d7f97b0,
mutex=0x7f215d7f98a8, cond=0x7f215d7f98d0) at pthread_cond_wait.c:533
#2  0x00007f21bc140ed9 in __pthread_cond_timedwait (cond=0x7f215d7f98d0,
mutex=0x7f215d7f98a8, abstime=0x7f215d7f97b0) at pthread_cond_wait.c:667
#3  0x00007f21a68ccb17 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f21a68cd46a in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f21a68cd552 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f21a688dfb1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f21a68907f6 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f21a6890ab4 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f21a68cf561 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f21bc13a6db in start_thread (arg=0x7f215d7fa700) at
pthread_create.c:463
#11 0x00007f21bc47388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f215dffb700 (LWP 2990)):
#0  0x00007f21bc140ed9 in futex_reltimed_wait_cancelable (private=<optimized
out>, reltime=0x7f215dffa710, expected=0, futex_word=0x7f215dffa8f8) at
../sysdeps/unix/sysv/linux/futex-internal.h:142
#1  0x00007f21bc140ed9 in __pthread_cond_wait_common (abstime=0x7f215dffa7b0,
mutex=0x7f215dffa8a8, cond=0x7f215dffa8d0) at pthread_cond_wait.c:533
#2  0x00007f21bc140ed9 in __pthread_cond_timedwait (cond=0x7f215dffa8d0,
mutex=0x7f215dffa8a8, abstime=0x7f215dffa7b0) at pthread_cond_wait.c:667
#3  0x00007f21a68ccb17 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f21a68cd46a in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007f21a68cd552 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f21a688dfb1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f21a68904c7 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f21a6890ab4 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f21a68cf561 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f21bc13a6db in start_thread (arg=0x7f215dffb700) at
pthread_create.c:463
#11 0x00007f21bc47388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f215e7fc700 (LWP 2989)):
#0  0x00007f21bc4826ac in __lll_lock_wait_private () at
../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
#1  0x00007f21bc484474 in ___fprintf_chk (fp=0x7f21bc73f8b0
<_IO_stdfile_2_lock>, flag=1, format=0x7f219c1ac6a8 "[%s] %s\n") at
fprintf_chk.c:30
#2  0x00007f219c1949ad in event_logv_ () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#3  0x00007f219c194b44 in event_warn () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#4  0x00007f219c19646c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#5  0x00007f219c18c114 in event_base_loop () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f21a68d2db4 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007f21a686d2db in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007f21a6894544 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f21a689f468 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f21a68cf561 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f21bc13a6db in start_thread (arg=0x7f215e7fc700) at
pthread_create.c:463
#12 0x00007f21bc47388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f215f7fe700 (LWP 2987)):
#0  0x00007f21bc3e0420 in __GI__IO_default_xsputn (f=0x7f215f7fab40,
data=0x7f219c1ac6a8, n=1) at genops.c:392
#1  0x00007f21bc3ad534 in _IO_vfprintf_internal (s=0x7f215f7fab40,
format=0x7f219c1ac6a8 "[%s] %s\n", ap=0x7f215f7fd200) at vfprintf.c:1328
#2  0x00007f21bc3b0680 in buffered_vfprintf (s=s at entry=0x7f21bc73e680
<_IO_2_1_stderr_>, format=format at entry=0x7f219c1ac6a8 "[%s] %s\n",
args=args at entry=0x7f215f7fd200) at vfprintf.c:2329
#3  0x00007f21bc3ad726 in _IO_vfprintf_internal (s=s at entry=0x7f21bc73e680
<_IO_2_1_stderr_>, format=0x7f219c1ac6a8 "[%s] %s\n",
ap=ap at entry=0x7f215f7fd200) at vfprintf.c:1301
#4  0x00007f21bc4844c6 in ___fprintf_chk (fp=0x7f21bc73e680 <_IO_2_1_stderr_>,
flag=1, format=<optimized out>) at fprintf_chk.c:35
#5  0x00007f219c1949ad in event_logv_ () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#6  0x00007f219c194b44 in event_warn () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#7  0x00007f219c19646c in  () at /usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#8  0x00007f219c18c114 in event_base_loop () at
/usr/lib/x86_64-linux-gnu/libevent-2.1.so.6
#9  0x00007f21a68d2ccd in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f21a686d2db in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f21a689f311 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f21a68cf561 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f21bc13a6db in start_thread (arg=0x7f215f7fe700) at
pthread_create.c:463
#14 0x00007f21bc47388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f2177fff700 (LWP 2961)):
#0  0x00007f21bc466bf9 in __GI___poll (fds=0x7f2170004a10, nfds=1,
timeout=9505) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f21afb755c9 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f21afb756dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f21bcda9dcb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f2170000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f21bcd4b03a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7f2177ffe9e0, flags=..., flags at entry=...) at
kernel/qeventloop.cpp:225
#5  0x00007f21bcb724ca in QThread::exec() (this=<optimized out>) at
thread/qthread.cpp:531
#6  0x00007f21bcb73c72 in QThreadPrivate::start(void*) (arg=0x55aa30230c00) at
thread/qthread_unix.cpp:361
#7  0x00007f21bc13a6db in start_thread (arg=0x7f2177fff700) at
pthread_create.c:463
#8  0x00007f21bc47388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f217d613700 (LWP 2960)):
#0  0x00007f21bf2db597 in _dl_update_slotinfo (req_modid=2) at
../elf/dl-tls.c:643
#1  0x00007f21bf2db87c in update_get_addr (ti=0x7f21bd1fb670) at
../elf/dl-tls.c:799
#2  0x00007f21bf2e1a28 in __tls_get_addr () at
../sysdeps/x86_64/tls_get_addr.S:55
#3  0x00007f21bcb72c26 in get_thread_data () at thread/qthread_unix.cpp:184
#4  0x00007f21bcb72c26 in QThreadData::current(bool)
(createIfNecessary=createIfNecessary at entry=true) at thread/qthread_unix.cpp:239
#5  0x00007f21bcda9caa in postEventSourcePrepare(GSource*, gint*)
(s=0x7f2178004ba0, timeout=0x7f217d6127e4) at
kernel/qeventdispatcher_glib.cpp:252
#6  0x00007f21afb74b28 in g_main_context_prepare () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f21afb754fb in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f21afb756dc in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f21bcda9dcb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f2178000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#10 0x00007f21bcd4b03a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this at entry=0x7f217d6129b0, flags=..., flags at entry=...) at
kernel/qeventloop.cpp:225
#11 0x00007f21bcb724ca in QThread::exec() (this=<optimized out>) at
thread/qthread.cpp:531
#12 0x00007f21bad3a015 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#13 0x00007f21bcb73c72 in QThreadPrivate::start(void*) (arg=0x7f21bafb1d80) at
thread/qthread_unix.cpp:361
#14 0x00007f21bc13a6db in start_thread (arg=0x7f217d613700) at
pthread_create.c:463
#15 0x00007f21bc47388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f2186194700 (LWP 2959)):
#0  0x00007f21bc466bf9 in __GI___poll (fds=0x7f21861938e8, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f21aefa1747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f21aefa336a in xcb_wait_for_event () at
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f21882e3578 in QXcbEventQueue::run() (this=0x55aa2fdbdfd0) at
qxcbeventqueue.cpp:228
#4  0x00007f21bcb73c72 in QThreadPrivate::start(void*) (arg=0x55aa2fdbdfd0) at
thread/qthread_unix.cpp:361
#5  0x00007f21bc13a6db in start_thread (arg=0x7f2186194700) at
pthread_create.c:463
#6  0x00007f21bc47388f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f2188adcbc0 (LWP 2957)):
[KCrash Handler]
#6  0x00007f21abc6db5b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineWidgets.so.5
#7  0x00007f21abc7e311 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineWidgets.so.5
#8  0x00007f21abc7e369 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineWidgets.so.5
#9  0x00007f21a4d2687b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007f21a4d269c1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007f21a657e90b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007f21a656de76 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007f21a636dcf1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007f21a63abaa1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007f21a63ac571 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#16 0x00007f21a63bd9a0 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#17 0x00007f21a637181b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#18 0x00007f21a636d13b in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#19 0x00007f21a668792f in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#20 0x00007f21a6687bf1 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#21 0x00007f21a4d3bfb7 in
QtWebEngineCore::WebContentsAdapter::~WebContentsAdapter() () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#22 0x00007f21abc73a2a in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineWidgets.so.5
#23 0x00007f21abc73ab9 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineWidgets.so.5
#24 0x00007f21abc6aa1a in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineWidgets.so.5
#25 0x00007f21a4d16c2e in QtWebEngineCore::ProfileAdapter::~ProfileAdapter() ()
at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#26 0x00007f21a4d16f41 in QtWebEngineCore::ProfileAdapter::~ProfileAdapter() ()
at /usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#27 0x00007f21a4d4b934 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#28 0x00007f21a4d4bac5 in  () at
/usr/lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#29 0x00007f21bcd4f082 in qt_call_post_routines() () at
kernel/qcoreapplication.cpp:350
#30 0x00007f21bdb48d26 in QApplication::~QApplication() (this=0x7ffc15c707f0,
__in_chrg=<optimized out>) at kernel/qapplication.cpp:795
#31 0x000055aa2fa4e804 in  ()
#32 0x00007f21bc373b97 in __libc_start_main (main=0x55aa2fa4d810, argc=2,
argv=0x7ffc15c70a28, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffc15c70a18) at ../csu/libc-start.c:310
#33 0x000055aa2fa4e9da in  ()

Reported using DrKonqi

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