Application: kontact (5.19.0 (21.12.0))

Qt Version: 5.15.3
Frameworks Version: 5.89.0
Operating System: Linux 5.11.0-44-generic x86_64
Windowing System: X11
Distribution: KDE neon User - Plasma 25th Anniversary Edition
DrKonqi: 5.23.5 [KCrashBackend]

-- Information about the crash:
- What I was doing when the application crashed:
I had a quick look at Kmail and closed Kontact, after that I received a bug notification indicating that Kontact had crashed. Thank you!

The crash can be reproduced sometimes.

-- Backtrace:
Application: Kontact (kontact), signal: Segmentation fault

[New LWP 14899]
[New LWP 14900]
[New LWP 14901]
[New LWP 14902]
[New LWP 14903]
[New LWP 14904]
[New LWP 14912]
[New LWP 14914]
[New LWP 14916]
[New LWP 14920]
[New LWP 14921]
[New LWP 14922]
[New LWP 14923]
[New LWP 14924]
[New LWP 14925]
[New LWP 14931]
[New LWP 14936]
[New LWP 14952]
[New LWP 14961]
[New LWP 14974]
[New LWP 15026]
[New LWP 15052]
[New LWP 15937]
[New LWP 15939]
[New LWP 15940]
[New LWP 15949]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f92a9124aff in __GI___poll (fds=0x7ffedf2154b8, nfds=1, timeout=1000) at ../sysdeps/unix/sysv/linux/poll.c:29
__preamble__
[Current thread is 1 (Thread 0x7f9294828200 (LWP 14897))]

Thread 27 (Thread 0x7f9222d3e700 (LWP 15949)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f9222d3d0b0, clockid=<optimized out>, expected=0, futex_word=0x7f9222d3d288) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f9222d3d0b0, clockid=<optimized out>, mutex=0x7f9222d3d238, cond=0x7f9222d3d260) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7f9222d3d260, mutex=0x7f9222d3d238, abstime=0x7f9222d3d0b0) at pthread_cond_wait.c:656
#3  0x00007f92a34c120a in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x000000000000290a in ?? ()
#5  0x000000001a5217ed in ?? ()
#6  0x00000000000028e9 in ?? ()
#7  0x000000001a5217ed in ?? ()
#8  0x00007f9222d3d180 in ?? ()
#9  0x00007f92a34a4741 in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x0000000000000000 in ?? ()

Thread 26 (Thread 0x7f92717fa700 (LWP 15940)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f92717f90b0, clockid=<optimized out>, expected=0, futex_word=0x7f92717f9288) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f92717f90b0, clockid=<optimized out>, mutex=0x7f92717f9238, cond=0x7f92717f9260) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7f92717f9260, mutex=0x7f92717f9238, abstime=0x7f92717f90b0) at pthread_cond_wait.c:656
#3  0x00007f92a34c120a in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x000000000000290a in ?? ()
#5  0x000000001a50ab07 in ?? ()
#6  0x00000000000028e9 in ?? ()
#7  0x000000001a50ab07 in ?? ()
#8  0x00007f925c001d88 in ?? ()
#9  0x00007f92a34d3e81 in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x0000000000000000 in ?? ()

Thread 25 (Thread 0x7f92727fc700 (LWP 15939)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f92727fb0b0, clockid=<optimized out>, expected=0, futex_word=0x7f92727fb288) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f92727fb0b0, clockid=<optimized out>, mutex=0x7f92727fb238, cond=0x7f92727fb260) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7f92727fb260, mutex=0x7f92727fb238, abstime=0x7f92727fb0b0) at pthread_cond_wait.c:656
#3  0x00007f92a34c120a in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x000000000000290a in ?? ()
#5  0x000000001a501e0e in ?? ()
#6  0x00000000000028e9 in ?? ()
#7  0x000000001a501e0e in ?? ()
#8  0x00007f925000aee8 in ?? ()
#9  0x00007f92a34d3e81 in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x0000000000000000 in ?? ()

Thread 24 (Thread 0x7f925b7fe700 (LWP 15937)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f925b7fd0b0, clockid=<optimized out>, expected=0, futex_word=0x7f925b7fd288) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f925b7fd0b0, clockid=<optimized out>, mutex=0x7f925b7fd238, cond=0x7f925b7fd260) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7f925b7fd260, mutex=0x7f925b7fd238, abstime=0x7f925b7fd0b0) at pthread_cond_wait.c:656
#3  0x00007f92a34c120a in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x000000000000291f in ?? ()
#5  0x000000001662c939 in ?? ()
#6  0x00000000000028fe in ?? ()
#7  0x000000001662c939 in ?? ()
#8  0x00007f924c01ae18 in ?? ()
#9  0x00007f92a34d3e81 in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x0000000000000000 in ?? ()

Thread 23 (Thread 0x7f91f3d07700 (LWP 15052)):
#0  0x00007f929f3db8ed in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f929f3dd345 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f929f3decbf in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f929f3df312 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f929f3df4a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f92a96f464b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f92a96988cb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f92a94b22e2 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f92a94b347c in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f929ff50609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f92a9131293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7f920d510700 (LWP 15026)):
#0  0x00007f929f3deccb in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f929f3df312 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f929f3df4a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f92a96f464b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f92a96988cb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f92a94b22e2 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f92a94b347c in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f929ff50609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007f92a9131293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7f920e8af700 (LWP 14974)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f920e8ae268) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f920e8ae218, cond=0x7f920e8ae240) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f920e8ae240, mutex=0x7f920e8ae218) at pthread_cond_wait.c:638
#3  0x00007f92a34c10ab in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f920e8ae0c0 in ?? ()
#5  0x00007f92a34b658f in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x000055f3bacfd6c0 in ?? ()
#7  0x00007f920e8ae0e8 in ?? ()
#8  0x0000000000000000 in ?? ()

Thread 20 (Thread 0x7f922253d700 (LWP 14961)):
#0  __GI___libc_read (nbytes=16, buf=0x7f922253c190, fd=73) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=73, buf=0x7f922253c190, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f929f427b2f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f929f3deebe in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f929f3df312 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f929f3df4a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f92a96f464b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f92a96988cb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f92a94b22e2 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f92a94b347c in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f929ff50609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007f92a9131293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7f92235e5700 (LWP 14952)):
#0  0x00007f929f42c4dd in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f929f3df270 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f929f3df4a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f92a96f464b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f92a96988cb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f92a94b22e2 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f92a94b347c in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f929ff50609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007f92a9131293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7f92367fc700 (LWP 14936)):
#0  __GI___libc_write (nbytes=39, buf=0x7f92367f8550, fd=2) at ../sysdeps/unix/sysv/linux/write.c:26
#1  __GI___libc_write (fd=2, buf=0x7f92367f8550, nbytes=39) at ../sysdeps/unix/sysv/linux/write.c:24
#2  0x00007f92a90a100d in _IO_new_file_write (f=0x7f92a91fb5c0 <_IO_2_1_stderr_>, data=0x7f92367f8550, n=39) at fileops.c:1176
#3  0x00007f92a90a1928 in new_do_write (to_do=<optimized out>, data=0x7f92367f8550 "[warn] epoll_wait: Bad file descriptor\n", fp=0x7f92a91fb5c0 <_IO_2_1_stderr_>) at libioP.h:948
#4  _IO_new_file_xsputn (n=39, data=<optimized out>, f=<optimized out>) at fileops.c:1255
#5  _IO_new_file_xsputn (f=0x7f92a91fb5c0 <_IO_2_1_stderr_>, data=<optimized out>, n=39) at fileops.c:1197
#6  0x00007f92a908c0d3 in buffered_vfprintf (s=s@entry=0x7f92a91fb5c0 <_IO_2_1_stderr_>, format=format@entry=0x7f929dd9e258 "[%s] %s\n", args=args@entry=0x7f92367fab10, mode_flags=mode_flags@entry=2) at ../libio/libioP.h:948
#7  0x00007f92a9088ea4 in __vfprintf_internal (s=0x7f92a91fb5c0 <_IO_2_1_stderr_>, format=0x7f929dd9e258 "[%s] %s\n", ap=ap@entry=0x7f92367fab10, mode_flags=2) at vfprintf-internal.c:1346
#8  0x00007f92a91401b3 in ___fprintf_chk (fp=<optimized out>, flag=<optimized out>, format=<optimized out>) at fprintf_chk.c:33
#9  0x00007f929dd84b36 in event_logv_ () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#10 0x00007f929dd84d09 in event_warn () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#11 0x00007f929dd86768 in ?? () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#12 0x00007f929dd7c625 in event_base_loop () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#13 0x00007f92a34d07fc in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007f921c002510 in ?? ()
#15 0x0001000000000000 in ?? ()
#16 0x00007f92367fb220 in ?? ()
#17 0x00007f92367fb218 in ?? ()
#18 0x00007f92367fb2d8 in ?? ()
#19 0x0000000001bd44a1 in ?? ()
#20 0x000000000000001d in ?? ()
#21 0x000000000002c361 in ?? ()
#22 0x0000000000000008 in ?? ()
#23 0x00007f9260048d90 in ?? ()
#24 0x7fffffffffffffff in ?? ()
#25 0x0000000000000001 in ?? ()
#26 0x7fffffffffffffff in ?? ()
#27 0x00007f92367fb370 in ?? ()
#28 0x00007f92367fb290 in ?? ()
#29 0x00007f92a348769c in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#30 0x0000000000000000 in ?? ()

Thread 17 (Thread 0x7f9236ffd700 (LWP 14931)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f9236ffc188) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f9236ffc138, cond=0x7f9236ffc160) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f9236ffc160, mutex=0x7f9236ffc138) at pthread_cond_wait.c:638
#3  0x00007f92a34c10ab in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x0000000000000000 in ?? ()

Thread 16 (Thread 0x7f92377fe700 (LWP 14925)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f92377fd268) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f92377fd218, cond=0x7f92377fd240) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f92377fd240, mutex=0x7f92377fd218) at pthread_cond_wait.c:638
#3  0x00007f92a34c10ab in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f92377fd0c0 in ?? ()
#5  0x00007f92a34b658f in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007f926003a730 in ?? ()
#7  0x00007f92377fd0e8 in ?? ()
#8  0x0000000000000000 in ?? ()

Thread 15 (Thread 0x7f9237fff700 (LWP 14924)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f9237ffe188) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f9237ffe138, cond=0x7f9237ffe160) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f9237ffe160, mutex=0x7f9237ffe138) at pthread_cond_wait.c:638
#3  0x00007f92a34c10ab in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x0000000000000000 in ?? ()

Thread 14 (Thread 0x7f9258ff9700 (LWP 14923)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f9258ff8188) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f9258ff8138, cond=0x7f9258ff8160) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f9258ff8160, mutex=0x7f9258ff8138) at pthread_cond_wait.c:638
#3  0x00007f92a34c10ab in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x0000000000000000 in ?? ()

Thread 13 (Thread 0x7f92597fa700 (LWP 14922)):
#0  __lll_lock_wait_private (futex=0x7f92a91fd4b0 <_IO_stdfile_2_lock>) at ./lowlevellock.c:35
#1  0x00007f92a908c1f6 in buffered_vfprintf (s=s@entry=0x7f92a91fb5c0 <_IO_2_1_stderr_>, format=format@entry=0x7f929dd9e258 "[%s] %s\n", args=args@entry=0x7f92597f8b10, mode_flags=mode_flags@entry=2) at vfprintf-internal.c:2381
#2  0x00007f92a9088ea4 in __vfprintf_internal (s=0x7f92a91fb5c0 <_IO_2_1_stderr_>, format=0x7f929dd9e258 "[%s] %s\n", ap=ap@entry=0x7f92597f8b10, mode_flags=2) at vfprintf-internal.c:1346
#3  0x00007f92a91401b3 in ___fprintf_chk (fp=<optimized out>, flag=<optimized out>, format=<optimized out>) at fprintf_chk.c:33
#4  0x00007f929dd84b36 in event_logv_ () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#5  0x00007f929dd84d09 in event_warn () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#6  0x00007f929dd86768 in ?? () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#7  0x00007f929dd7c625 in event_base_loop () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#8  0x00007f92a34d0947 in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f923c002510 in ?? ()
#10 0x0001000000000000 in ?? ()
#11 0x00007f92597f9220 in ?? ()
#12 0x00007f92597f9218 in ?? ()
#13 0x00007f92597f92d8 in ?? ()
#14 0x00007f923c002510 in ?? ()
#15 0x00007f92597f9370 in ?? ()
#16 0x00007f92a90ac419 in __GI___libc_malloc (bytes=140266543485536) at malloc.c:3066
#17 0x0000000000000001 in ?? ()
#18 0x7fffffffffffffff in ?? ()
#19 0x00007f92597f9370 in ?? ()
#20 0x00007f92597f9290 in ?? ()
#21 0x00007f92a348769c in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#22 0x0000000000000000 in ?? ()

Thread 12 (Thread 0x7f9259ffb700 (LWP 14921)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f9259ff9fd0, clockid=<optimized out>, expected=0, futex_word=0x7f9259ffa1a8) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f9259ff9fd0, clockid=<optimized out>, mutex=0x7f9259ffa158, cond=0x7f9259ffa180) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7f9259ffa180, mutex=0x7f9259ffa158, abstime=0x7f9259ff9fd0) at pthread_cond_wait.c:656
#3  0x00007f92a34c120a in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x000000000000291c in ?? ()
#5  0x0000000015d057ad in ?? ()
#6  0x00000000000028fe in ?? ()
#7  0x0000000015d0e835 in ?? ()
#8  0x00007f926001a450 in ?? ()
#9  0x00007f926001b8b0 in ?? ()
#10 0x0000000000000000 in ?? ()

Thread 11 (Thread 0x7f925a7fc700 (LWP 14920)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f3ba5f808c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f3ba5f7fc8, cond=0x55f3ba5f8060) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f3ba5f8060, mutex=0x55f3ba5f7fc8) at pthread_cond_wait.c:638
#3  0x00007f92a34c10ab in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007f9244000b60 in ?? ()
#5  0x000055f3bf771818 in ?? ()
#6  0x00007f925a7fb3c0 in ?? ()
#7  0x00007f92a34a87c1 in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x0000000000000000 in ?? ()

Thread 10 (Thread 0x7f9270ff9700 (LWP 14916)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f9270ff80b0, clockid=<optimized out>, expected=0, futex_word=0x7f9270ff8288) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7f9270ff80b0, clockid=<optimized out>, mutex=0x7f9270ff8238, cond=0x7f9270ff8260) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7f9270ff8260, mutex=0x7f9270ff8238, abstime=0x7f9270ff80b0) at pthread_cond_wait.c:656
#3  0x00007f92a34c120a in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x000000000000290a in ?? ()
#5  0x000000001a506211 in ?? ()
#6  0x00000000000028e9 in ?? ()
#7  0x000000001a506211 in ?? ()
#8  0x00007f925402c048 in ?? ()
#9  0x00007f92a34d3e81 in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7f9271ffb700 (LWP 14914)):
#0  __lll_lock_wait_private (futex=0x7f92a91fd4b0 <_IO_stdfile_2_lock>) at ./lowlevellock.c:35
#1  0x00007f92a908c1f6 in buffered_vfprintf (s=s@entry=0x7f92a91fb5c0 <_IO_2_1_stderr_>, format=format@entry=0x7f929dd9e258 "[%s] %s\n", args=args@entry=0x7f9271ff9ad0, mode_flags=mode_flags@entry=2) at vfprintf-internal.c:2381
#2  0x00007f92a9088ea4 in __vfprintf_internal (s=0x7f92a91fb5c0 <_IO_2_1_stderr_>, format=0x7f929dd9e258 "[%s] %s\n", ap=ap@entry=0x7f9271ff9ad0, mode_flags=2) at vfprintf-internal.c:1346
#3  0x00007f92a91401b3 in ___fprintf_chk (fp=<optimized out>, flag=<optimized out>, format=<optimized out>) at fprintf_chk.c:33
#4  0x00007f929dd84b36 in event_logv_ () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#5  0x00007f929dd84d09 in event_warn () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#6  0x00007f929dd86768 in ?? () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#7  0x00007f929dd7c625 in event_base_loop () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#8  0x00007f92a34d0947 in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9271ffa310 in ?? ()
#10 0x0001000000000000 in ?? ()
#11 0x00007f9271ffa1e0 in ?? ()
#12 0x00007f9271ffa1d8 in ?? ()
#13 0x00007f9271ffa298 in ?? ()
#14 0x00007f9271ffa310 in ?? ()
#15 0x00007f9271ffa370 in ?? ()
#16 0x00007f92a90ac419 in __GI___libc_malloc (bytes=140266954531360) at malloc.c:3066
#17 0x0000000000000001 in ?? ()
#18 0x7fffffffffffffff in ?? ()
#19 0x00007f9271ffa370 in ?? ()
#20 0x00007f9271ffa250 in ?? ()
#21 0x00007f92a348769c in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#22 0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7f9272ffd700 (LWP 14912)):
#0  __lll_lock_wait_private (futex=0x7f92a91fd4b0 <_IO_stdfile_2_lock>) at ./lowlevellock.c:35
#1  0x00007f92a908c1f6 in buffered_vfprintf (s=s@entry=0x7f92a91fb5c0 <_IO_2_1_stderr_>, format=format@entry=0x7f929dd9e258 "[%s] %s\n", args=args@entry=0x7f9272ffbaf0, mode_flags=mode_flags@entry=2) at vfprintf-internal.c:2381
#2  0x00007f92a9088ea4 in __vfprintf_internal (s=0x7f92a91fb5c0 <_IO_2_1_stderr_>, format=0x7f929dd9e258 "[%s] %s\n", ap=ap@entry=0x7f9272ffbaf0, mode_flags=2) at vfprintf-internal.c:1346
#3  0x00007f92a91401b3 in ___fprintf_chk (fp=<optimized out>, flag=<optimized out>, format=<optimized out>) at fprintf_chk.c:33
#4  0x00007f929dd84b36 in event_logv_ () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#5  0x00007f929dd84d09 in event_warn () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#6  0x00007f929dd86768 in ?? () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#7  0x00007f929dd7c625 in event_base_loop () from /lib/x86_64-linux-gnu/libevent-2.1.so.7
#8  0x00007f92a34d07fc in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007f9268002410 in ?? ()
#10 0x0001000000000000 in ?? ()
#11 0x00007f9272ffc200 in ?? ()
#12 0x00007f9272ffc1f8 in ?? ()
#13 0x00007f9272ffc2b8 in ?? ()
#14 0x00000000c5c6e68e in ?? ()
#15 0x0000000000000cf6 in ?? ()
#16 0x0000000000023d0e in ?? ()
#17 0x0000000000000008 in ?? ()
#18 0x000055f3ba1be600 in ?? ()
#19 0x7fffffffffffffff in ?? ()
#20 0x0000000000000001 in ?? ()
#21 0x7fffffffffffffff in ?? ()
#22 0x00007f9272ffc370 in ?? ()
#23 0x00007f9272ffc270 in ?? ()
#24 0x00007f92a348769c in ?? () from /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#25 0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f9282402700 (LWP 14904)):
#0  0x00007f92a94b39a0 in QMutex::lock() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007f92a96f4d29 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f929f3deda1 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f929f3df312 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f929f3df4a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f92a96f464b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f92a96988cb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f92a94b22e2 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f92aa722f4b in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#9  0x00007f92a94b347c in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f929ff50609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007f92a9131293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f9283fff700 (LWP 14903)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f3ba318558) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f3ba318508, cond=0x55f3ba318530) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f3ba318530, mutex=0x55f3ba318508) at pthread_cond_wait.c:638
#3  0x00007f9291f1bb1b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f9291f1b71b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f929ff50609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f92a9131293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f9290ba4700 (LWP 14902)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f3ba318558) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f3ba318508, cond=0x55f3ba318530) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f3ba318530, mutex=0x55f3ba318508) at pthread_cond_wait.c:638
#3  0x00007f9291f1bb1b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f9291f1b71b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f929ff50609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f92a9131293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f92913a5700 (LWP 14901)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f3ba31855c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f3ba318508, cond=0x55f3ba318530) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f3ba318530, mutex=0x55f3ba318508) at pthread_cond_wait.c:638
#3  0x00007f9291f1bb1b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f9291f1b71b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f929ff50609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f92a9131293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f9291ba6700 (LWP 14900)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f3ba31855c) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f3ba318508, cond=0x55f3ba318530) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f3ba318530, mutex=0x55f3ba318508) at pthread_cond_wait.c:638
#3  0x00007f9291f1bb1b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4  0x00007f9291f1b71b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5  0x00007f929ff50609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f92a9131293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f9293c4b700 (LWP 14899)):
#0  0x00007f92a9124aff in __GI___poll (fds=0x7f9293c4a2a8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f929ff84c1a in ?? () from /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f929ff8690a in xcb_wait_for_event () from /lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f9294176e88 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f92a94b347c in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f929ff50609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f92a9131293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f9294828200 (LWP 14897)):
[KCrash Handler]
#4  0x00007f9235144fe5 in KMReaderMainWin::~KMReaderMainWin() () from /lib/x86_64-linux-gnu/libkmailprivate.so.5
#5  0x00007f92351450cd in KMReaderMainWin::~KMReaderMainWin() () from /lib/x86_64-linux-gnu/libkmailprivate.so.5
#6  0x00007f92a96c7713 in QObject::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f92aa20bc9d in QWidget::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#8  0x00007f92aa324ae8 in QMainWindow::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#9  0x00007f92aa946093 in KMainWindow::event(QEvent*) () from /lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#10 0x00007f92aa99619b in KXmlGuiWindow::event(QEvent*) () from /lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#11 0x00007f92aa1c8dc3 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#12 0x00007f92aa1d1bb8 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007f92a9699dca in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f92a969c6d1 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f92a96f4fd7 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f929f3df17d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#17 0x00007f929f3df400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007f929f3df4a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007f92a96f4632 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f92a96988cb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f92a96a0a84 in QCoreApplication::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x000055f3b9ff6612 in ?? ()
#23 0x00007f92a90360b3 in __libc_start_main (main=0x55f3b9ff5c30, argc=1, argv=0x7ffedf216ad8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffedf216ac8) at ../csu/libc-start.c:308
#24 0x000055f3b9ff6cbe in ?? ()
[Inferior 1 (process 14897) detached]

The reporter indicates this bug may be a duplicate of or related to bug 445427.

Possible duplicates by query: bug 447880, bug 447519, bug 447035, bug 446973, bug 446692.

Reported using DrKonqi