Bug 432468

Summary: Kmail Random Crashes
Product: [Applications] kmail2 Reporter: feldposten.no.1
Component: generalAssignee: kdepim bugs <pim-bugs-null>
Status: REPORTED ---    
Severity: crash Keywords: drkonqi
Priority: NOR    
Version First Reported In: unspecified   
Target Milestone: ---   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description feldposten.no.1 2021-02-03 15:48:57 UTC 
Application: kmail (5.13.3 (19.12.3))

Qt Version: 5.12.8
Frameworks Version: 5.68.0
Operating System: Linux 5.8.0-41-generic x86_64
Windowing system: X11
Distribution: Ubuntu 20.04.2 LTS

-- Information about the crash:
- What I was doing when the application crashed:
Kmail crashes while running in the background, but also while writing mails.

The crash can be reproduced every time.

-- Backtrace:
Application: KMail (kmail), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fe95c55e140 (LWP 3282))]

Thread 25 (Thread 0x7fe8e185d700 (LWP 4302)):
#0  0x00007fe973c62aff in __GI___poll (fds=0x7fe8b40029e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fe970aea18e in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe970aea2c3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe9741fe583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fe9741a54db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fe973fdd785 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fe973fde9d2 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fe971483609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007fe973c6f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 24 (Thread 0x7fe8e2ffd700 (LWP 3753)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fe8e2ffc3b8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7fe8e2ffc368, cond=0x7fe8e2ffc390) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7fe8e2ffc390, mutex=0x7fe8e2ffc368) at pthread_cond_wait.c:638
#3  0x00007fe96bafba5e in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fe96bafc530 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fe96bafc5d3 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fe96babddb8 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fe96bac0c48 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fe96bac0fb8 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fe96bafeb63 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fe971483609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007fe973c6f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 23 (Thread 0x7fe8e37fe700 (LWP 3585)):
#0  __GI___libc_read (nbytes=10, buf=0x7fe8e37fd29e, fd=67) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=67, buf=0x7fe8e37fd29e, nbytes=10) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007fe9635b7975 in pa_read () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-13.99.so
#3  0x00007fe9665c4416 in pa_mainloop_prepare () at /lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007fe9665c4eb4 in pa_mainloop_iterate () at /lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007fe9665c4f70 in pa_mainloop_run () at /lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007fe9665d311d in  () at /lib/x86_64-linux-gnu/libpulse.so.0
#7  0x00007fe9635e672c in  () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-13.99.so
#8  0x00007fe971483609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007fe973c6f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 22 (Thread 0x7fe8e3fff700 (LWP 3548)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fe8e3ffe220, clockid=<optimized out>, expected=0, futex_word=0x7fe8e3ffe368) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7fe8e3ffe220, clockid=<optimized out>, mutex=0x7fe8e3ffe318, cond=0x7fe8e3ffe340) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7fe8e3ffe340, mutex=0x7fe8e3ffe318, abstime=0x7fe8e3ffe220) at pthread_cond_wait.c:656
#3  0x00007fe96bafbb2e in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fe96bafc51f in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fe96ba794f8 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fe96ba9be9f in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fe96bac67e1 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fe96bafeb63 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fe971483609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007fe973c6f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 21 (Thread 0x7fe9017fa700 (LWP 3547)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f2a0f2fed8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f2a0f2fe18, cond=0x55f2a0f2feb0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f2a0f2feb0, mutex=0x55f2a0f2fe18) at pthread_cond_wait.c:638
#3  0x00007fe96bafba5e in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fe96c2e7458 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fe96bace5e1 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fe96bafeb63 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fe971483609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007fe973c6f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 20 (Thread 0x7fe900ff9700 (LWP 3546)):
#0  __lll_lock_wait_private (futex=0x7fe973d3b4b0 <_IO_stdfile_2_lock>) at ./lowlevellock.c:35
#1  0x00007fe973bca1f6 in buffered_vfprintf (s=s@entry=0x7fe973d395c0 <_IO_2_1_stderr_>, format=format@entry=0x7fe9661e3258 "[%s] %s\n", args=args@entry=0x7fe900ff7cb0, mode_flags=mode_flags@entry=2) at vfprintf-internal.c:2381
#2  0x00007fe973bc6ea4 in __vfprintf_internal (s=0x7fe973d395c0 <_IO_2_1_stderr_>, format=0x7fe9661e3258 "[%s] %s\n", ap=ap@entry=0x7fe900ff7cb0, mode_flags=2) at vfprintf-internal.c:1346
#3  0x00007fe973c7e1b3 in ___fprintf_chk (fp=<optimized out>, flag=<optimized out>, format=<optimized out>) at fprintf_chk.c:33
#4  0x00007fe9661c9b36 in event_logv_ () at /lib/x86_64-linux-gnu/libevent-2.1.so.7
#5  0x00007fe9661c9d09 in event_warn () at /lib/x86_64-linux-gnu/libevent-2.1.so.7
#6  0x00007fe9661cb768 in  () at /lib/x86_64-linux-gnu/libevent-2.1.so.7
#7  0x00007fe9661c1625 in event_base_loop () at /lib/x86_64-linux-gnu/libevent-2.1.so.7
#8  0x00007fe96bb0236a in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fe96ba9be9f in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fe96bac67e1 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007fe96bafeb63 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007fe971483609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#13 0x00007fe973c6f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 19 (Thread 0x7fe901ffb700 (LWP 3545)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fe901ffa220, clockid=<optimized out>, expected=0, futex_word=0x7fe901ffa368) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7fe901ffa220, clockid=<optimized out>, mutex=0x7fe901ffa318, cond=0x7fe901ffa340) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7fe901ffa340, mutex=0x7fe901ffa318, abstime=0x7fe901ffa220) at pthread_cond_wait.c:656
#3  0x00007fe96bafbb2e in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fe96bafc51f in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fe96ba794f8 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fe96ba9be9f in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fe96bac67e1 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fe96bafeb63 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fe971483609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007fe973c6f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 18 (Thread 0x7fe9027fc700 (LWP 3540)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7fe9027fb3b8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7fe9027fb368, cond=0x7fe9027fb390) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7fe9027fb390, mutex=0x7fe9027fb368) at pthread_cond_wait.c:638
#3  0x00007fe96bafba5e in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fe96bafc530 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fe96bafc5d3 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fe96babddb8 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fe96bac0c48 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fe96bac0f58 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fe96bafeb63 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fe971483609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007fe973c6f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 17 (Thread 0x7fe902ffd700 (LWP 3539)):
#0  __GI___libc_write (nbytes=39, buf=0x7fe902ff96d0, fd=2) at ../sysdeps/unix/sysv/linux/write.c:26
#1  __GI___libc_write (fd=2, buf=0x7fe902ff96d0, nbytes=39) at ../sysdeps/unix/sysv/linux/write.c:24
#2  0x00007fe973bdf00d in _IO_new_file_write (f=0x7fe973d395c0 <_IO_2_1_stderr_>, data=0x7fe902ff96d0, n=39) at fileops.c:1176
#3  0x00007fe973bdf928 in new_do_write (to_do=<optimized out>, data=0x7fe902ff96d0 "[warn] epoll_wait: Bad file descriptor\n", fp=0x7fe973d395c0 <_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=0x7fe973d395c0 <_IO_2_1_stderr_>, data=<optimized out>, n=39) at fileops.c:1197
#6  0x00007fe973bca0d3 in buffered_vfprintf (s=s@entry=0x7fe973d395c0 <_IO_2_1_stderr_>, format=format@entry=0x7fe9661e3258 "[%s] %s\n", args=args@entry=0x7fe902ffbc90, mode_flags=mode_flags@entry=2) at ../libio/libioP.h:948
#7  0x00007fe973bc6ea4 in __vfprintf_internal (s=0x7fe973d395c0 <_IO_2_1_stderr_>, format=0x7fe9661e3258 "[%s] %s\n", ap=ap@entry=0x7fe902ffbc90, mode_flags=2) at vfprintf-internal.c:1346
#8  0x00007fe973c7e1b3 in ___fprintf_chk (fp=<optimized out>, flag=<optimized out>, format=<optimized out>) at fprintf_chk.c:33
#9  0x00007fe9661c9b36 in event_logv_ () at /lib/x86_64-linux-gnu/libevent-2.1.so.7
#10 0x00007fe9661c9d09 in event_warn () at /lib/x86_64-linux-gnu/libevent-2.1.so.7
#11 0x00007fe9661cb768 in  () at /lib/x86_64-linux-gnu/libevent-2.1.so.7
#12 0x00007fe9661c1625 in event_base_loop () at /lib/x86_64-linux-gnu/libevent-2.1.so.7
#13 0x00007fe96bb02454 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007fe96ba9be9f in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007fe96b42a7b8 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#16 0x00007fe96bac67e1 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#17 0x00007fe96bafeb63 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#18 0x00007fe971483609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#19 0x00007fe973c6f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7fe920ff9700 (LWP 3536)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fe920ff8260, clockid=<optimized out>, expected=0, futex_word=0x7fe920ff83a8) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7fe920ff8260, clockid=<optimized out>, mutex=0x7fe920ff8358, cond=0x7fe920ff8380) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7fe920ff8380, mutex=0x7fe920ff8358, abstime=0x7fe920ff8260) at pthread_cond_wait.c:656
#3  0x00007fe96bafbb2e in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fe96bafc51f in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fe96bafc615 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fe96babdda6 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fe96bac0c48 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fe96bac0ef8 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fe96bafeb63 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fe971483609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007fe973c6f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7fe9217fa700 (LWP 3535)):
#0  futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7fe9217f9260, clockid=<optimized out>, expected=0, futex_word=0x7fe9217f93a8) at ../sysdeps/nptl/futex-internal.h:320
#1  __pthread_cond_wait_common (abstime=0x7fe9217f9260, clockid=<optimized out>, mutex=0x7fe9217f9358, cond=0x7fe9217f9380) at pthread_cond_wait.c:520
#2  __pthread_cond_timedwait (cond=0x7fe9217f9380, mutex=0x7fe9217f9358, abstime=0x7fe9217f9260) at pthread_cond_wait.c:656
#3  0x00007fe96bafbb2e in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#4  0x00007fe96bafc51f in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#5  0x00007fe96bafc615 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#6  0x00007fe96babdda6 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#7  0x00007fe96bac0c48 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#8  0x00007fe96bac0ef8 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fe96bafeb63 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fe971483609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007fe973c6f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7fe921ffb700 (LWP 3534)):
#0  __mempcpy_avx_unaligned_erms () at ../sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S:212
#1  0x00007fe973be21d9 in __GI__IO_default_xsputn (n=<optimized out>, data=<optimized out>, f=<optimized out>) at genops.c:386
#2  __GI__IO_default_xsputn (f=0x7fe921ff75d0, data=<optimized out>, n=31) at genops.c:370
#3  0x00007fe973bc727c in __vfprintf_internal (s=s@entry=0x7fe921ff75d0, format=0x7fe9661e3258 "[%s] %s\n", ap=0x7fe921ff9c90, mode_flags=<optimized out>) at ../libio/libioP.h:948
#4  0x00007fe973bca022 in buffered_vfprintf (s=s@entry=0x7fe973d395c0 <_IO_2_1_stderr_>, format=format@entry=0x7fe9661e3258 "[%s] %s\n", args=args@entry=0x7fe921ff9c90, mode_flags=mode_flags@entry=2) at vfprintf-internal.c:2377
#5  0x00007fe973bc6ea4 in __vfprintf_internal (s=0x7fe973d395c0 <_IO_2_1_stderr_>, format=0x7fe9661e3258 "[%s] %s\n", ap=ap@entry=0x7fe921ff9c90, mode_flags=2) at vfprintf-internal.c:1346
#6  0x00007fe973c7e1b3 in ___fprintf_chk (fp=<optimized out>, flag=<optimized out>, format=<optimized out>) at fprintf_chk.c:33
#7  0x00007fe9661c9b36 in event_logv_ () at /lib/x86_64-linux-gnu/libevent-2.1.so.7
#8  0x00007fe9661c9d09 in event_warn () at /lib/x86_64-linux-gnu/libevent-2.1.so.7
#9  0x00007fe9661cb768 in  () at /lib/x86_64-linux-gnu/libevent-2.1.so.7
#10 0x00007fe9661c1625 in event_base_loop () at /lib/x86_64-linux-gnu/libevent-2.1.so.7
#11 0x00007fe96bb02318 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007fe96ba9be9f in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#13 0x00007fe96bac42f8 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#14 0x00007fe96bac67e1 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#15 0x00007fe96bafeb63 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#16 0x00007fe971483609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#17 0x00007fe973c6f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7fe922ffd700 (LWP 3532)):
#0  __lll_lock_wait_private (futex=0x7fe973d3b4b0 <_IO_stdfile_2_lock>) at ./lowlevellock.c:35
#1  0x00007fe973bca1f6 in buffered_vfprintf (s=s@entry=0x7fe973d395c0 <_IO_2_1_stderr_>, format=format@entry=0x7fe9661e3258 "[%s] %s\n", args=args@entry=0x7fe922ffbcb0, mode_flags=mode_flags@entry=2) at vfprintf-internal.c:2381
#2  0x00007fe973bc6ea4 in __vfprintf_internal (s=0x7fe973d395c0 <_IO_2_1_stderr_>, format=0x7fe9661e3258 "[%s] %s\n", ap=ap@entry=0x7fe922ffbcb0, mode_flags=2) at vfprintf-internal.c:1346
#3  0x00007fe973c7e1b3 in ___fprintf_chk (fp=<optimized out>, flag=<optimized out>, format=<optimized out>) at fprintf_chk.c:33
#4  0x00007fe9661c9b36 in event_logv_ () at /lib/x86_64-linux-gnu/libevent-2.1.so.7
#5  0x00007fe9661c9d09 in event_warn () at /lib/x86_64-linux-gnu/libevent-2.1.so.7
#6  0x00007fe9661cb768 in  () at /lib/x86_64-linux-gnu/libevent-2.1.so.7
#7  0x00007fe9661c1625 in event_base_loop () at /lib/x86_64-linux-gnu/libevent-2.1.so.7
#8  0x00007fe96bb0236a in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#9  0x00007fe96ba9be9f in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#10 0x00007fe96bac67e1 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#11 0x00007fe96bafeb63 in  () at /lib/x86_64-linux-gnu/libQt5WebEngineCore.so.5
#12 0x00007fe971483609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#13 0x00007fe973c6f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7fe935728700 (LWP 3522)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fe973fe0dd1 in QSemaphore::acquire(int) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fe935d4a72c in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/texttospeech/libqttexttospeech_flite.so
#3  0x00007fe973fde9d2 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fe971483609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#5  0x00007fe973c6f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7fe9365c2700 (LWP 3519)):
#0  0x00007fe970ae670d in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fe970ae8165 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe970ae964b in g_main_context_prepare () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe970aea0bb in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fe970aea2c3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fe9741fe583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fe9741a54db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fe973fdd785 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fe973fde9d2 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fe971483609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007fe973c6f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7fe9377fe700 (LWP 3483)):
#0  0x00007fe970ae66f2 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fe970ae8165 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe970ae964b in g_main_context_prepare () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe970aea0bb in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fe970aea2c3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fe9741fe583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fe9741a54db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fe973fdd785 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fe973fde9d2 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fe971483609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007fe973c6f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7fe937fff700 (LWP 3402)):
#0  0x00007fe973c62aff in __GI___poll (fds=0x7fe92c0029e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fe970aea18e in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe970aea2c3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe9741fe583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fe9741a54db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fe973fdd785 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fe973fde9d2 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fe971483609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007fe973c6f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fe94cd04700 (LWP 3318)):
#0  __GI___libc_read (nbytes=16, buf=0x7fe94cd03250, fd=13) at ../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=13, buf=0x7fe94cd03250, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007fe970b3289f in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe970ae9cde in g_main_context_check () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fe970aea132 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fe970aea2c3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fe9741fe583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fe9741a54db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fe973fdd785 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fe973fde9d2 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fe971483609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#11 0x00007fe973c6f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fe94df15700 (LWP 3294)):
#0  0x00007fe970b37278 in g_mutex_unlock () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fe970ae9701 in g_main_context_prepare () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe970aea0bb in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe970aea2c3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fe9741fe583 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fe9741a54db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fe973fdd785 in QThread::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fe973767efa in  () at /lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007fe973fde9d2 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fe971483609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007fe973c6f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fe94e85a700 (LWP 3290)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f2a0aad648) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f2a0aad5f8, cond=0x55f2a0aad620) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f2a0aad620, mutex=0x55f2a0aad5f8) at pthread_cond_wait.c:638
#3  0x00007fe95981eb5b in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007fe95981e75b in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007fe971483609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fe973c6f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fe94f05b700 (LWP 3289)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f2a0aad648) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f2a0aad5f8, cond=0x55f2a0aad620) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f2a0aad620, mutex=0x55f2a0aad5f8) at pthread_cond_wait.c:638
#3  0x00007fe95981eb5b in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007fe95981e75b in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007fe971483609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fe973c6f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fe958843700 (LWP 3288)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f2a0aad648) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f2a0aad5f8, cond=0x55f2a0aad620) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f2a0aad620, mutex=0x55f2a0aad5f8) at pthread_cond_wait.c:638
#3  0x00007fe95981eb5b in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007fe95981e75b in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007fe971483609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fe973c6f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fe959044700 (LWP 3287)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55f2a0aad648) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55f2a0aad5f8, cond=0x55f2a0aad620) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x55f2a0aad620, mutex=0x55f2a0aad5f8) at pthread_cond_wait.c:638
#3  0x00007fe95981eb5b in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007fe95981e75b in  () at /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007fe971483609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fe973c6f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fe95b8e8700 (LWP 3285)):
#0  0x00007fe973c62aff in __GI___poll (fds=0x7fe95b8e7368, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fe9708dcc1a in  () at /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fe9708de90a in xcb_wait_for_event () at /lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fe95be42298 in  () at /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007fe973fde9d2 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fe971483609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fe973c6f293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fe95c55e140 (LWP 3282)):
[KCrash Handler]
#6  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#7  0x00007fe973b72859 in __GI_abort () at abort.c:79
#8  0x00007fe973ddd951 in  () at /lib/x86_64-linux-gnu/libstdc++.so.6
#9  0x00007fe973de947c in  () at /lib/x86_64-linux-gnu/libstdc++.so.6
#10 0x00007fe973de94e7 in  () at /lib/x86_64-linux-gnu/libstdc++.so.6
#11 0x00007fe973de9799 in  () at /lib/x86_64-linux-gnu/libstdc++.so.6
#12 0x00007fe969177478 in GlassTable::set_overwritten() const (this=this@entry=0x55f2a5f2a140) at /usr/include/c++/9/ext/new_allocator.h:89
#13 0x00007fe9691776de in GlassTable::block_to_cursor(Glass::Cursor*, int, unsigned int) const (this=0x55f2a5f2a140, C_=0x55f2a5f2a208, j=<optimized out>, n=54209) at ../backends/glass/glass_table.cc:335
#14 0x00007fe96923481d in GlassTable::find(Glass::Cursor*) const (this=this@entry=0x55f2a5f2a140, C_=C_@entry=0x55f2a5f2a208) at ../common/wordaccess.h:57
#15 0x00007fe969236be3 in GlassTable::get_exact_entry(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&) const (this=this@entry=0x55f2a5f2a140, key="C4", tag="") at ../backends/glass/glass_table.cc:1482
#16 0x00007fe9692261f3 in GlassPostListTable::get_freqs(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, unsigned int*, unsigned int*, unsigned int*) const (this=0x55f2a5f2a140, term=..., termfreq_ptr=0x7ffd67531684, collfreq_ptr=0x0, wdfub_ptr=0x0) at ../backends/glass/glass_postlist.cc:158
#17 0x00007fe969195155 in Xapian::Database::get_termfreq(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) const (this=this@entry=0x7ffd675316e0, tname="C4") at ../api/omdatabase.cc:332
#18 0x00007fe9727d763a in Akonadi::Search::PIM::IndexedItemsPrivate::indexedItemsInDatabase(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, QString const&) const (this=<optimized out>, term="C4", dbPath=...) at ./lib/indexeditems.cpp:137
#19 0x00007fe9727d77e9 in Akonadi::Search::PIM::IndexedItemsPrivate::indexedItems(long long) (this=0x55f2a0848b70, id=<optimized out>) at ./lib/indexeditems.cpp:143
#20 0x00007fe9754eb5cc in CheckIndexingJob::slotCollectionPropertiesFinished(KJob*) (this=0x7fe93c0182b0, job=<optimized out>) at ./src/search/checkindexingjob.cpp:75
#21 0x00007fe9741d2458 in QMetaObject::activate(QObject*, int, int, void**) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007fe97513ac60 in KJob::result(KJob*, KJob::QPrivateSignal) (this=this@entry=0x7fe93c011f00, _t1=<optimized out>, _t1@entry=0x7fe93c011f00, _t2=...) at ./obj-x86_64-linux-gnu/src/lib/KF5CoreAddons_autogen/include/moc_kjob.cpp:573
#23 0x00007fe97513b76b in KJob::finishJob(bool) (this=0x7fe93c011f00, emitResult=<optimized out>) at ./src/lib/jobs/kjob.cpp:107
#24 0x00007fe9741df5b6 in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007fe9741d2cf5 in QObject::event(QEvent*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007fe974bbea66 in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x55f2a0844290, receiver=receiver@entry=0x7fe93c0617e0, e=e@entry=0x7ffd67531d50) at kernel/qapplication.cpp:3700
#27 0x00007fe974bc80f0 in QApplication::notify(QObject*, QEvent*) (this=0x7ffd675324b0, receiver=0x7fe93c0617e0, e=0x7ffd67531d50) at kernel/qapplication.cpp:3446
#28 0x00007fe9741a693a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007fe9741fd8b0 in QTimerInfoList::activateTimers() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#30 0x00007fe9741fe19c in  () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x00007fe970ae9f9d in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007fe970aea220 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007fe970aea2c3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007fe9741fe565 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x00007fe9741a54db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#36 0x00007fe9741ad246 in QCoreApplication::exec() () at /lib/x86_64-linux-gnu/libQt5Core.so.5
#37 0x000055f29e9f9811 in main(int, char**) (argc=<optimized out>, argv=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qcoreapplication.h:116
[Inferior 1 (process 3282) detached]

The reporter indicates this bug may be a duplicate of or related to bug 412706.

Possible duplicates by query: bug 429344, bug 427384, bug 425508, bug 424911, bug 423951.

Reported using DrKonqi