[Users] gdb output from latest claws-mail git showing a segfault

Brian Morrison bdm at fenrir.org.uk
Tue Mar 25 13:27:59 UTC 2025


I hope this is useful for the devs in pinning down what is happening, I
have been suffering from a regular crash in Claws for a long while,
finally managed to get a backtrace. I am running under Fedora 42 beta:


Thread 21 "claws-mail" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fff59cbb6c0 (LWP 10371)]
Downloading source file /usr/src/debug/gnutls-3.8.9-2.fc42.x86_64/native_build/lib/../../lib/record.c
0x00007ffff720a985 in gnutls_record_recv (session=0xffe79dda0274a5e4, data=data at entry=0x7fff4400ca60, data_size=data_size at entry=8192) at ../../lib/record.c:2374          
2374		if (unlikely(!session->internals.initial_negotiation_completed)) {
(gdb) thread apply all bt

Thread 41 (Thread 0x7fffab5ff6c0 (LWP 33266) "threaded-ml"):
#0  __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1  0x00007ffff64c8aba in __internal_syscall_cancel (a1=a1 at entry=140736884400320, a2=a2 at entry=2, a3=a3 at entry=-1, a4=a4 at entry=0, a5=a5 at entry=0, a6=a6 at entry=0, nr=7) at cancellation.c:49
#2  0x00007ffff64c8b04 in __syscall_cancel (a1=a1 at entry=140736884400320, a2=a2 at entry=2, a3=a3 at entry=-1, a4=a4 at entry=0, a5=a5 at entry=0, a6=a6 at entry=0, nr=7) at cancellation.c:75
#3  0x00007ffff654271e in __GI___poll (fds=fds at entry=0x7fffdc0060c0, nfds=nfds at entry=2, timeout=timeout at entry=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#4  0x00007fffb4b34507 in poll (__fds=0x7fffdc0060c0, __nfds=2, __timeout=-1) at /usr/include/bits/poll2.h:44
#5  poll_func (ufds=0x7fffdc0060c0, nfds=2, timeout=-1, userdata=0x555556345c80) at ../src/pulse/thread-mainloop.c:70
#6  0x00007fffb4b1d872 in pa_mainloop_poll (m=m at entry=0x5555627b9df0) at ../src/pulse/mainloop.c:863
#7  0x00007fffb4b28291 in pa_mainloop_iterate (m=m at entry=0x5555627b9df0, block=block at entry=1, retval=retval at entry=0x0) at ../src/pulse/mainloop.c:945
#8  0x00007fffb4b28360 in pa_mainloop_run (m=0x5555627b9df0, retval=0x0) at ../src/pulse/mainloop.c:963
#9  0x00007fffb4b3958d in thread (userdata=0x555555b73190) at ../src/pulse/thread-mainloop.c:101
#10 0x00007fffb47c912b in internal_thread_func (userdata=0x555556346680) at ../src/pulsecore/thread-posix.c:81
#11 0x00007ffff64cc324 in start_thread (arg=<optimized out>) at pthread_create.c:448
#12 0x00007ffff654fcfc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 21 (Thread 0x7fff59cbb6c0 (LWP 10371) "claws-mail"):
#0  0x00007ffff720a985 in gnutls_record_recv (session=0xffe79dda0274a5e4, data=data at entry=0x7fff4400ca60, data_size=data_size at entry=8192) at ../../lib/record.c:2374
#1  0x00007ffff713e76a in mailstream_low_ssl_read (s=0x7fff44017090, buf=0x7fff4400ca60, count=8192) at data-types/mailstream_ssl.c:936
#2  0x00007ffff713b69a in mailstream_low_read (s=0x7fff44017090, buf=0x7fff4400ca60, count=<optimized out>) at data-types/mailstream_low.c:232
#3  0x00007ffff713bd37 in mailstream_feed_read_buffer (s=s at entry=0x7fff44023480) at data-types/mailstream.c:304
#4  0x00007ffff713bd90 in mailstream_read_line_append (stream=0x7fff44023480, line=line at entry=0x55555bfd7790) at data-types/mailstream_helper.c:101
#5  0x00007ffff713be94 in mailstream_read_line (stream=<optimized out>, line=line at entry=0x55555bfd7790) at data-types/mailstream_helper.c:62
#6  0x00007ffff713beb5 in mailstream_read_line_remove_eol (stream=<optimized out>, line=0x55555bfd7790) at data-types/mailstream_helper.c:116
#7  0x00007ffff717aedb in read_line (f=0x7fffc0010320) at low-level/nntp/newsnntp.c:1840
#8  newsnntp_date (f=0x7fffc0010320, tm=0x7fffffffcad0) at low-level/nntp/newsnntp.c:1360
#9  0x000055555572a906 in date_run (op=<optimized out>) at etpan/nntp-thread.c:636
#10 0x0000555555751e63 in thread_run (data=0x7fffc00af450) at etpan/etpan-thread-manager.c:340
#11 0x00007ffff64cc324 in start_thread (arg=<optimized out>) at pthread_create.c:448
#12 0x00007ffff654fcfc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 20 (Thread 0x7fff5a4bc6c0 (LWP 10360) "PressureMonitor"):
#0  __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1  0x00007ffff64c8aba in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=a3 at entry=0, a4=<optimized out>, a5=a5 at entry=0, a6=a6 at entry=4294967295, nr=202) at cancellation.c:49
#2  0x00007ffff64c912c in __futex_abstimed_wait_common64 (private=0, futex_word=0x7fffa9028158, expected=0, op=<optimized out>, abstime=0x7fff5a4ba1e0, cancel=true) at futex-internal.c:57
#3  __futex_abstimed_wait_common (futex_word=futex_word at entry=0x7fffa9028158, expected=expected at entry=0, clockid=clockid at entry=0, abstime=abstime at entry=0x7fff5a4ba1e0, private=private at entry=0, cancel=cancel at entry=true) at futex-internal.c:87
#4  0x00007ffff64c918f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word at entry=0x7fffa9028158, expected=expected at entry=0, clockid=clockid at entry=0, abstime=abstime at entry=0x7fff5a4ba1e0, private=private at entry=0) at futex-internal.c:139
#5  0x00007ffff64cba28 in __pthread_cond_wait_common (cond=0x7fffa9028138, mutex=0x7fffa9028110, clockid=<optimized out>, abstime=0x7fff5a4ba1e0) at pthread_cond_wait.c:4--Type <RET> for more, q to quit, c to continue without paging--c
26
#6  ___pthread_cond_timedwait64 (cond=0x7fffa9028138, mutex=0x7fffa9028110, abstime=0x7fff5a4ba1e0) at pthread_cond_wait.c:483
#7  0x00007fffba1dfbee in WTF::ThreadCondition::timedWait (this=0x7fffa9028138, mutex=..., absoluteTime=...) at /usr/src/debug/webkitgtk-2.48.0-1.fc42.x86_64/Source/WTF/wtf/posix/ThreadingPOSIX.cpp:680
#8  0x00007fffba1226a5 in WTF::ParkingLot::parkConditionallyImpl (address=0x7fff5a4ba376, validation=..., beforeSleep=..., timeout=...) at /usr/src/debug/webkitgtk-2.48.0-1.fc42.x86_64/Source/WTF/wtf/ParkingLot.cpp:597
#9  0x00007fffb92c0774 in WTF::ParkingLot::parkConditionally<WTF::Condition::waitUntilUnchecked<WTF::Lock>(WTF::Lock&, WTF::TimeWithDynamicClockType const&)::{lambda()#1}, WTF::Condition::waitUntilUnchecked<WTF::Lock>(WTF::Lock&, WTF::TimeWithDynamicClockType const&)::{lambda()#2}>(void const*, WTF::Condition::waitUntilUnchecked<WTF::Lock>(WTF::Lock&, WTF::TimeWithDynamicClockType const&)::{lambda()#1} const&, WTF::Condition::waitUntilUnchecked<WTF::Lock>(WTF::Lock&, WTF::TimeWithDynamicClockType const&)::{lambda()#2} const&, WTF::TimeWithDynamicClockType const&) (address=0x7fff5a4ba376, validation=..., beforeSleep=..., timeout=...) at WTF/Headers/wtf/ParkingLot.h:82
#10 WTF::Condition::waitUntilUnchecked<WTF::Lock> (this=0x7fff5a4ba376, lock=..., timeout=...) at WTF/Headers/wtf/Condition.h:192
#11 0x00007fffba16e08b in WTF::Condition::waitUntil (this=0x7fff5a4ba376, lock=..., timeout=...) at /usr/src/debug/webkitgtk-2.48.0-1.fc42.x86_64/Source/WTF/wtf/Condition.h:77
#12 WTF::Condition::waitFor (this=0x7fff5a4ba376, lock=..., relativeTimeout=...) at /usr/src/debug/webkitgtk-2.48.0-1.fc42.x86_64/Source/WTF/wtf/Condition.h:116
#13 WTF::sleep (value=...) at /usr/src/debug/webkitgtk-2.48.0-1.fc42.x86_64/Source/WTF/wtf/Seconds.cpp:122
#14 0x00007fffbb26ee40 in WebKit::MemoryPressureMonitor::start()::$_0::operator()() const (this=<optimized out>) at /usr/src/debug/webkitgtk-2.48.0-1.fc42.x86_64/Source/WebKit/UIProcess/linux/MemoryPressureMonitor.cpp:356
#15 WTF::Detail::CallableWrapper<WebKit::MemoryPressureMonitor::start()::$_0, void>::call (this=<optimized out>) at WTF/Headers/wtf/Function.h:53
#16 0x00007fffba1708e6 in WTF::Function<void()>::operator() (this=<optimized out>) at /usr/src/debug/webkitgtk-2.48.0-1.fc42.x86_64/Source/WTF/wtf/Function.h:82
#17 WTF::Thread::entryPoint (newThreadContext=0x7fffa903c130) at /usr/src/debug/webkitgtk-2.48.0-1.fc42.x86_64/Source/WTF/wtf/Threading.cpp:268
#18 0x00007fffba1df28d in WTF::wtfThreadEntryPoint (context=0x7fffa9028158) at /usr/src/debug/webkitgtk-2.48.0-1.fc42.x86_64/Source/WTF/wtf/posix/ThreadingPOSIX.cpp:241
#19 0x00007ffff64cc324 in start_thread (arg=<optimized out>) at pthread_create.c:448
#20 0x00007ffff654fcfc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 17 (Thread 0x7fff58bee6c0 (LWP 10357) "claws-ma:gdrv0"):
#0  __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1  0x00007ffff64c8aba in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5 at entry=0, a6=a6 at entry=4294967295, nr=202) at cancellation.c:49
#2  0x00007ffff64c912c in __futex_abstimed_wait_common64 (private=0, futex_word=0x55555bd50bd8, expected=<optimized out>, op=<optimized out>, abstime=0x0, cancel=true) at futex-internal.c:57
#3  __futex_abstimed_wait_common (futex_word=futex_word at entry=0x55555bd50bd8, expected=<optimized out>, clockid=clockid at entry=0, abstime=abstime at entry=0x0, private=private at entry=0, cancel=cancel at entry=true) at futex-internal.c:87
#4  0x00007ffff64c918f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word at entry=0x55555bd50bd8, expected=<optimized out>, clockid=clockid at entry=0, abstime=abstime at entry=0x0, private=private at entry=0) at futex-internal.c:139
#5  0x00007ffff64cb81e in __pthread_cond_wait_common (cond=0x55555bd50bb8, mutex=0x55555bd50b88, clockid=0, abstime=0x0) at pthread_cond_wait.c:426
#6  ___pthread_cond_wait (cond=0x55555bd50bb8, mutex=0x55555bd50b88) at pthread_cond_wait.c:458
#7  0x00007fff6433479d in cnd_wait (cond=<optimized out>, mtx=<optimized out>) at ../src/c11/impl/threads_posix.c:111
#8  0x00007fff642ef26c in util_queue_thread_func (input=input at entry=0x55555bd84b20) at ../src/util/u_queue.c:275
#9  0x00007fff643346cc in impl_thrd_routine (p=<optimized out>) at ../src/c11/impl/threads_posix.c:43
#10 0x00007ffff64cc324 in start_thread (arg=<optimized out>) at pthread_create.c:448
#11 0x00007ffff654fcfc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 16 (Thread 0x7fff593ef6c0 (LWP 10356) "claws-:traceq0"):
#0  __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1  0x00007ffff64c8aba in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5 at entry=0, a6=a6 at entry=4294967295, nr=202) at cancellation.c:49
#2  0x00007ffff64c912c in __futex_abstimed_wait_common64 (private=0, futex_word=0x55555bd3bf28, expected=<optimized out>, op=<optimized out>, abstime=0x0, cancel=true) at futex-internal.c:57
#3  __futex_abstimed_wait_common (futex_word=futex_word at entry=0x55555bd3bf28, expected=<optimized out>, clockid=clockid at entry=0, abstime=abstime at entry=0x0, private=private at entry=0, cancel=cancel at entry=true) at futex-internal.c:87
#4  0x00007ffff64c918f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word at entry=0x55555bd3bf28, expected=<optimized out>, clockid=clockid at entry=0, abstime=abstime at entry=0x0, private=private at entry=0) at futex-internal.c:139
#5  0x00007ffff64cb81e in __pthread_cond_wait_common (cond=0x55555bd3bf08, mutex=0x55555bd3bed8, clockid=0, abstime=0x0) at pthread_cond_wait.c:426
#6  ___pthread_cond_wait (cond=0x55555bd3bf08, mutex=0x55555bd3bed8) at pthread_cond_wait.c:458
#7  0x00007fff6433479d in cnd_wait (cond=<optimized out>, mtx=<optimized out>) at ../src/c11/impl/threads_posix.c:111
#8  0x00007fff642ef26c in util_queue_thread_func (input=input at entry=0x55555bd4f410) at ../src/util/u_queue.c:275
#9  0x00007fff643346cc in impl_thrd_routine (p=<optimized out>) at ../src/c11/impl/threads_posix.c:43
#10 0x00007ffff64cc324 in start_thread (arg=<optimized out>) at pthread_create.c:448
#11 0x00007ffff654fcfc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 13 (Thread 0x7fff5acbd6c0 (LWP 10353) "claws-mail:sh0"):
#0  __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1  0x00007ffff64c8aba in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5 at entry=0, a6=a6 at entry=4294967295, nr=202) at cancellation.c:49
#2  0x00007ffff64c912c in __futex_abstimed_wait_common64 (private=0, futex_word=0x55555bbd0038, expected=<optimized out>, op=<optimized out>, abstime=0x0, cancel=true) at futex-internal.c:57
#3  __futex_abstimed_wait_common (futex_word=futex_word at entry=0x55555bbd0038, expected=<optimized out>, clockid=clockid at entry=0, abstime=abstime at entry=0x0, private=private at entry=0, cancel=cancel at entry=true) at futex-internal.c:87
#4  0x00007ffff64c918f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word at entry=0x55555bbd0038, expected=<optimized out>, clockid=clockid at entry=0, abstime=abstime at entry=0x0, private=private at entry=0) at futex-internal.c:139
#5  0x00007ffff64cb81e in __pthread_cond_wait_common (cond=0x55555bbd0018, mutex=0x55555bbcffe8, clockid=0, abstime=0x0) at pthread_cond_wait.c:426
#6  ___pthread_cond_wait (cond=0x55555bbd0018, mutex=0x55555bbcffe8) at pthread_cond_wait.c:458
#7  0x00007fff6433479d in cnd_wait (cond=<optimized out>, mtx=<optimized out>) at ../src/c11/impl/threads_posix.c:111
#8  0x00007fff642ef26c in util_queue_thread_func (input=input at entry=0x55555bbcb4e0) at ../src/util/u_queue.c:275
#9  0x00007fff643346cc in impl_thrd_routine (p=<optimized out>) at ../src/c11/impl/threads_posix.c:43
#10 0x00007ffff64cc324 in start_thread (arg=<optimized out>) at pthread_create.c:448
#11 0x00007ffff654fcfc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 12 (Thread 0x7fff5b4be6c0 (LWP 10352) "claws-m:disk$0"):
#0  __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1  0x00007ffff64c8aba in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5 at entry=0, a6=a6 at entry=4294967295, nr=202) at cancellation.c:49
#2  0x00007ffff64c912c in __futex_abstimed_wait_common64 (private=0, futex_word=0x55555bbce0c0, expected=<optimized out>, op=<optimized out>, abstime=0x0, cancel=true) at futex-internal.c:57
#3  __futex_abstimed_wait_common (futex_word=futex_word at entry=0x55555bbce0c0, expected=<optimized out>, clockid=clockid at entry=0, abstime=abstime at entry=0x0, private=private at entry=0, cancel=cancel at entry=true) at futex-internal.c:87
#4  0x00007ffff64c918f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word at entry=0x55555bbce0c0, expected=<optimized out>, clockid=clockid at entry=0, abstime=abstime at entry=0x0, private=private at entry=0) at futex-internal.c:139
#5  0x00007ffff64cb81e in __pthread_cond_wait_common (cond=0x55555bbce0a0, mutex=0x55555bbce070, clockid=0, abstime=0x0) at pthread_cond_wait.c:426
#6  ___pthread_cond_wait (cond=0x55555bbce0a0, mutex=0x55555bbce070) at pthread_cond_wait.c:458
#7  0x00007fff6433479d in cnd_wait (cond=<optimized out>, mtx=<optimized out>) at ../src/c11/impl/threads_posix.c:111
#8  0x00007fff642ef26c in util_queue_thread_func (input=input at entry=0x55555bbd5520) at ../src/util/u_queue.c:275
#9  0x00007fff643346cc in impl_thrd_routine (p=<optimized out>) at ../src/c11/impl/threads_posix.c:43
#10 0x00007ffff64cc324 in start_thread (arg=<optimized out>) at pthread_create.c:448
#11 0x00007ffff654fcfc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 9 (Thread 0x7fffd63026c0 (LWP 10307) "[pango] fontcon"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff68e9c30 in g_cond_wait_impl (cond=0x555556363e58, mutex=0x555556363e50) at ../glib/gthread-posix.c:1026
#2  g_cond_wait (cond=0x555556363e58, mutex=0x555556363e50) at ../glib/gthread.c:1683
#3  0x00007ffff6885ebc in g_async_queue_pop_intern_unlocked (queue=0x555556363e50, wait=1, end_time=-1) at ../glib/gasyncqueue.c:375
#4  0x00007ffff6885f2e in g_async_queue_pop (queue=queue at entry=0x555556363e50) at ../glib/gasyncqueue.c:409
#5  0x00007ffff74b8609 in fc_thread_func (data=0x555556363e50) at ../pango/pangofc-fontmap.c:992
#6  0x00007ffff68f41c2 in g_thread_proxy (data=0x5555563098f0) at ../glib/gthread.c:890
#7  0x00007ffff64cc324 in start_thread (arg=<optimized out>) at pthread_create.c:448
#8  0x00007ffff654fcfc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 8 (Thread 0x7fffd6bbe6c0 (LWP 10306) "claws-mail"):
#0  __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1  0x00007ffff64c8aba in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5 at entry=0, a6=a6 at entry=4294967295, nr=202) at cancellation.c:49
#2  0x00007ffff64c912c in __futex_abstimed_wait_common64 (private=0, futex_word=0x555556397698, expected=<optimized out>, op=<optimized out>, abstime=0x0, cancel=true) at futex-internal.c:57
#3  __futex_abstimed_wait_common (futex_word=futex_word at entry=0x555556397698, expected=<optimized out>, clockid=clockid at entry=0, abstime=abstime at entry=0x0, private=private at entry=0, cancel=cancel at entry=true) at futex-internal.c:87
#4  0x00007ffff64c918f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word at entry=0x555556397698, expected=<optimized out>, clockid=clockid at entry=0, abstime=abstime at entry=0x0, private=private at entry=0) at futex-internal.c:139
#5  0x00007ffff64cb81e in __pthread_cond_wait_common (cond=0x555556397678, mutex=0x555556397650, clockid=0, abstime=0x0) at pthread_cond_wait.c:426
#6  ___pthread_cond_wait (cond=cond at entry=0x555556397678, mutex=mutex at entry=0x555556397650) at pthread_cond_wait.c:458
#7  0x00007ffff713d8ed in mailsem_internal_wait (s=0x555556397640) at data-types/mailsem.c:133
#8  0x00007ffff713da9c in mailsem_down (sem=<optimized out>) at data-types/mailsem.c:285
#9  0x0000555555751e09 in thread_run (data=0x5555563974f0) at etpan/etpan-thread-manager.c:320
#10 0x00007ffff64cc324 in start_thread (arg=<optimized out>) at pthread_create.c:448
#11 0x00007ffff654fcfc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 7 (Thread 0x7fffd77fe6c0 (LWP 10305) "[pango] fontcon"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff68e9c30 in g_cond_wait_impl (cond=0x555555c9cd78, mutex=0x555555c9cd70) at ../glib/gthread-posix.c:1026
#2  g_cond_wait (cond=0x555555c9cd78, mutex=0x555555c9cd70) at ../glib/gthread.c:1683
#3  0x00007ffff6885ebc in g_async_queue_pop_intern_unlocked (queue=0x555555c9cd70, wait=1, end_time=-1) at ../glib/gasyncqueue.c:375
#4  0x00007ffff6885f2e in g_async_queue_pop (queue=queue at entry=0x555555c9cd70) at ../glib/gasyncqueue.c:409
#5  0x00007ffff74b8609 in fc_thread_func (data=0x555555c9cd70) at ../pango/pangofc-fontmap.c:992
#6  0x00007ffff68f41c2 in g_thread_proxy (data=0x555555c9cdc0) at ../glib/gthread.c:890
#7  0x00007ffff64cc324 in start_thread (arg=<optimized out>) at pthread_create.c:448
#8  0x00007ffff654fcfc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 6 (Thread 0x7fffd7fff6c0 (LWP 10302) "dconf worker"):
#0  __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1  0x00007ffff64c8aba in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5 at entry=8, a6=a6 at entry=0, nr=271) at cancellation.c:49
#2  0x00007ffff64c8b04 in __syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5 at entry=8, a6=a6 at entry=0, nr=271) at cancellation.c:75
#3  0x00007ffff6542ce6 in __GI_ppoll (fds=fds at entry=0x7fffc8000bb0, nfds=nfds at entry=1, timeout=<optimized out>, timeout at entry=0x0, sigmask=sigmask at entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:42
#4  0x00007ffff68c67f0 in ppoll (__fds=0x7fffc8000bb0, __nfds=1, __timeout=0x0, __ss=0x0) at /usr/include/bits/poll2.h:101
#5  g_main_context_poll_unlocked (priority=<optimized out>, context=0x555555b3c7a0, timeout_usec=<optimized out>, fds=0x7fffc8000bb0, n_fds=1) at ../glib/gmain.c:4632
#6  g_main_context_iterate_unlocked (context=context at entry=0x555555b3c7a0, block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at ../glib/gmain.c:4309
#7  0x00007ffff68c68b7 in g_main_context_iteration (context=context at entry=0x555555b3c7a0, may_block=may_block at entry=1) at ../glib/gmain.c:4379
#8  0x00007ffff449ab1d in dconf_gdbus_worker_thread (user_data=0x555555b3c7a0) at ../gdbus/dconf-gdbus-thread.c:82
#9  0x00007ffff68f41c2 in g_thread_proxy (data=0x555555b3cc60) at ../glib/gthread.c:890
#10 0x00007ffff64cc324 in start_thread (arg=<optimized out>) at pthread_create.c:448
#11 0x00007ffff654fcfc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 5 (Thread 0x7fffe4dfc6c0 (LWP 10301) "gdbus"):
#0  __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1  0x00007ffff64c8aba in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5 at entry=8, a6=a6 at entry=0, nr=271) at cancellation.c:49
#2  0x00007ffff64c8b04 in __syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5 at entry=8, a6=a6 at entry=0, nr=271) at cancellation.c:75
#3  0x00007ffff6542ce6 in __GI_ppoll (fds=fds at entry=0x7fffd0000bb0, nfds=nfds at entry=3, timeout=<optimized out>, timeout at entry=0x0, sigmask=sigmask at entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:42
#4  0x00007ffff68c67f0 in ppoll (__fds=0x7fffd0000bb0, __nfds=3, __timeout=0x0, __ss=0x0) at /usr/include/bits/poll2.h:101
#5  g_main_context_poll_unlocked (priority=<optimized out>, context=0x7fffdc0054d0, timeout_usec=<optimized out>, fds=0x7fffd0000bb0, n_fds=3) at ../glib/gmain.c:4632
#6  g_main_context_iterate_unlocked (context=0x7fffdc0054d0, block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at ../glib/gmain.c:4309
#7  0x00007ffff68c69af in g_main_loop_run (loop=0x7fffdc007860) at ../glib/gmain.c:4516
#8  0x00007ffff6b186d2 in gdbus_shared_thread_func (user_data=0x7fffdc007320) at ../gio/gdbusprivate.c:284
#9  0x00007ffff68f41c2 in g_thread_proxy (data=0x7fffdc0056c0) at ../glib/gthread.c:890
#10 0x00007ffff64cc324 in start_thread (arg=<optimized out>) at pthread_create.c:448
#11 0x00007ffff654fcfc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 3 (Thread 0x7fffe5dfe6c0 (LWP 10299) "gmain"):
#0  __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1  0x00007ffff64c8aba in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5 at entry=8, a6=a6 at entry=0, nr=271) at cancellation.c:49
#2  0x00007ffff64c8b04 in __syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5 at entry=8, a6=a6 at entry=0, nr=271) at cancellation.c:75
#3  0x00007ffff6542ce6 in __GI_ppoll (fds=fds at entry=0x7fffe0000b70, nfds=nfds at entry=1, timeout=<optimized out>, timeout at entry=0x0, sigmask=sigmask at entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:42
#4  0x00007ffff68c67f0 in ppoll (__fds=0x7fffe0000b70, __nfds=1, __timeout=0x0, __ss=0x0) at /usr/include/bits/poll2.h:101
#5  g_main_context_poll_unlocked (priority=<optimized out>, context=0x555555b2b1d0, timeout_usec=<optimized out>, fds=0x7fffe0000b70, n_fds=1) at ../glib/gmain.c:4632
#6  g_main_context_iterate_unlocked (context=context at entry=0x555555b2b1d0, block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at ../glib/gmain.c:4309
#7  0x00007ffff68c68b7 in g_main_context_iteration (context=0x555555b2b1d0, may_block=may_block at entry=1) at ../glib/gmain.c:4379
#8  0x00007ffff68c6901 in glib_worker_main (data=<optimized out>) at ../glib/gmain.c:6578
#9  0x00007ffff68f41c2 in g_thread_proxy (data=0x555555b2b3f0) at ../glib/gthread.c:890
#10 0x00007ffff64cc324 in start_thread (arg=<optimized out>) at pthread_create.c:448
#11 0x00007ffff654fcfc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 2 (Thread 0x7fffe65ff6c0 (LWP 10298) "pool-spawner"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff68e9c30 in g_cond_wait_impl (cond=0x555555b28fb8, mutex=0x555555b28fb0) at ../glib/gthread-posix.c:1026
#2  g_cond_wait (cond=0x555555b28fb8, mutex=0x555555b28fb0) at ../glib/gthread.c:1683
#3  0x00007ffff6885ebc in g_async_queue_pop_intern_unlocked (queue=0x555555b28fb0, wait=1, end_time=-1) at ../glib/gasyncqueue.c:375
#4  0x00007ffff68f4684 in g_thread_pool_spawn_thread (data=<optimized out>) at ../glib/gthreadpool.c:297
#5  0x00007ffff68f41c2 in g_thread_proxy (data=0x555555b2ae80) at ../glib/gthread.c:890
#6  0x00007ffff64cc324 in start_thread (arg=<optimized out>) at pthread_create.c:448
#7  0x00007ffff654fcfc in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 1 (Thread 0x7ffff45ae080 (LWP 10284) "claws-mail"):
#0  __syscall_cancel_arch () at ../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1  0x00007ffff64c8aba in __internal_syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5 at entry=8, a6=a6 at entry=0, nr=271) at cancellation.c:49
#2  0x00007ffff64c8b04 in __syscall_cancel (a1=<optimized out>, a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5 at entry=8, a6=a6 at entry=0, nr=271) at cancellation.c:75
#3  0x00007ffff6542ce6 in __GI_ppoll (fds=fds at entry=0x555555b09570, nfds=nfds at entry=8, timeout=<optimized out>, timeout at entry=0x7fffffff71f0, sigmask=sigmask at entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:42
#4  0x00007ffff68c67f0 in ppoll (__fds=0x555555b09570, __nfds=8, __timeout=0x7fffffff71f0, __ss=0x0) at /usr/include/bits/poll2.h:101
#5  g_main_context_poll_unlocked (priority=<optimized out>, context=0x555555b2c740, timeout_usec=<optimized out>, fds=0x555555b09570, n_fds=8) at ../glib/gmain.c:4632
#6  g_main_context_iterate_unlocked (context=context at entry=0x555555b2c740, block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at ../glib/gmain.c:4309
#7  0x00007ffff68c68b7 in g_main_context_iteration (context=0x555555b2c740, context at entry=0x0, may_block=may_block at entry=1) at ../glib/gmain.c:4379
#8  0x00007ffff7782f99 in gtk_main_iteration () at ../gtk/gtkmain.c:1433
#9  0x000055555572e2d5 in threaded_run (folder=0x55555602edf0, param=param at entry=0x7fffffff7390, result=result at entry=0x7fffffff736c, func=func at entry=0x55555572ed60 <connect_ssl_run>) at etpan/nntp-thread.c:371
#10 0x000055555572fc35 in nntp_threaded_connect_ssl (folder=<optimized out>, server=0x55555639c8d0 "news.eternal-september.org", port=563, proxy_info=0x0) at etpan/nntp-thread.c:510
#11 0x0000555555621504 in news_session_new (folder=0x55555602edf0, account=0x55555639cc40, port=<optimized out>, ssl_type=<optimized out>) at /usr/src/debug/claws-mail-4.3.1git70-0.1.fc42.x86_64/src/news.c:364
#12 news_session_new_for_folder (folder=folder at entry=0x55555602edf0) at /usr/src/debug/claws-mail-4.3.1git70-0.1.fc42.x86_64/src/news.c:397
#13 0x0000555555621b6e in news_session_get (folder=folder at entry=0x55555602edf0) at /usr/src/debug/claws-mail-4.3.1git70-0.1.fc42.x86_64/src/news.c:528
#14 0x0000555555623838 in news_get_num_list (folder=0x55555602edf0, item=0x5555564a8e80, msgnum_list=0x7fffffffa668, old_uids_valid=0x7fffffffa664) at /usr/src/debug/claws-mail-4.3.1git70-0.1.fc42.x86_64/src/news.c:1057
#15 0x00005555555b2c92 in folder_item_scan_full (item=0x5555564a8e80, filtering=1) at /usr/src/debug/claws-mail-4.3.1git70-0.1.fc42.x86_64/src/folder.c:2183
#16 0x00005555555c40d5 in folder_item_scan (item=0x5555564a8e80) at /usr/src/debug/claws-mail-4.3.1git70-0.1.fc42.x86_64/src/folder.c:2524
#17 folderview_check_new (folder=0x55555602edf0) at /usr/src/debug/claws-mail-4.3.1git70-0.1.fc42.x86_64/src/folderview.c:1211
#18 0x00005555555e44d5 in inc_account_list_mail (mainwin=0x555555c4b7f0, account_list=<optimized out>, autocheck=1, notify=0) at /usr/src/debug/claws-mail-4.3.1git70-0.1.fc42.x86_64/src/inc.c:379
#19 inc_account_list_mail (mainwin=0x555555c4b7f0, account_list=<optimized out>, autocheck=1, notify=0) at /usr/src/debug/claws-mail-4.3.1git70-0.1.fc42.x86_64/src/inc.c:319
#20 0x00005555555e4ae7 in inc_account_autocheck_func (data=data at entry=0x55555639cc40) at /usr/src/debug/claws-mail-4.3.1git70-0.1.fc42.x86_64/src/inc.c:1574
#21 0x00007ffff68c3769 in g_timeout_dispatch (source=0x555562894090, callback=0x5555555e4a60 <inc_account_autocheck_func>, user_data=0x55555639cc40) at ../glib/gmain.c:5111
#22 0x00007ffff68bd5e0 in g_main_dispatch (context=0x555555b2c740) at ../glib/gmain.c:3398
#23 g_main_context_dispatch_unlocked (context=0x555555b2c740) at ../glib/gmain.c:4249
#24 0x00007ffff68c6708 in g_main_context_iterate_unlocked (context=context at entry=0x555555b2c740, block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at ../glib/gmain.c:4314
#25 0x00007ffff68c68b7 in g_main_context_iteration (context=0x555555b2c740, context at entry=0x0, may_block=may_block at entry=1) at ../glib/gmain.c:4379
#26 0x00007ffff7782f99 in gtk_main_iteration () at ../gtk/gtkmain.c:1433
#27 0x000055555572e2d5 in threaded_run (folder=folder at entry=0x55555602edf0, param=param at entry=0x7fffffffca70, result=result at entry=0x7fffffffca60, func=func at entry=0x55555572a8e0 <date_run>) at etpan/nntp-thread.c:371
#28 0x000055555572e71f in nntp_threaded_date (folder=0x55555602edf0, lt=0x7fffffffcad0) at etpan/nntp-thread.c:652
#29 0x0000555555621106 in nntp_ping (data=data at entry=0x55555bfdaad0) at /usr/src/debug/claws-mail-4.3.1git70-0.1.fc42.x86_64/src/news.c:295
#30 0x00007ffff68c3769 in g_timeout_dispatch (source=0x55555bfe91c0, callback=0x5555556210b0 <nntp_ping>, user_data=0x55555bfdaad0) at ../glib/gmain.c:5111
#31 0x00007ffff68bd5e0 in g_main_dispatch (context=0x555555b2c740) at ../glib/gmain.c:3398
#32 g_main_context_dispatch_unlocked (context=0x555555b2c740) at ../glib/gmain.c:4249
#33 0x00007ffff68c6708 in g_main_context_iterate_unlocked (context=context at entry=0x555555b2c740, block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at ../glib/gmain.c:4314
#34 0x00007ffff68c68b7 in g_main_context_iteration (context=0x555555b2c740, context at entry=0x0, may_block=may_block at entry=1) at ../glib/gmain.c:4379
#35 0x00007ffff7782f99 in gtk_main_iteration () at ../gtk/gtkmain.c:1433
#36 0x0000555555723fc5 in threaded_run (folder=folder at entry=0x5555562e0100, param=param at entry=0x7fffffffcdf0, result=result at entry=0x7fffffffcde0, func=func at entry=0x55555571e7a0 <noop_run>) at etpan/imap-thread.c:511
#37 0x000055555572488a in imap_threaded_noop (folder=0x5555562e0100, p_exists=0x7fffffffce74, p_recent=0x7fffffffce70, p_expunge=0x7fffffffce6c, p_unseen=0x7fffffffce68, p_uidnext=0x7fffffffce64, p_uidval=0x7fffffffce60) at etpan/imap-thread.c:1169
#38 0x00005555555d56e4 in imap_cmd_noop (session=0x555555b6b6b0) at /usr/src/debug/claws-mail-4.3.1git70-0.1.fc42.x86_64/src/imap.c:4276
#39 0x00005555555cd76d in imap_ping (data=0x555555b6b6b0) at /usr/src/debug/claws-mail-4.3.1git70-0.1.fc42.x86_64/src/imap.c:567
#40 imap_ping (data=data at entry=0x555555b6b6b0) at /usr/src/debug/claws-mail-4.3.1git70-0.1.fc42.x86_64/src/imap.c:555
#41 0x00007ffff68c3769 in g_timeout_dispatch (source=0x5555564b18e0, callback=0x5555555cd730 <imap_ping>, user_data=0x555555b6b6b0) at ../glib/gmain.c:5111
#42 0x00007ffff68bd5e0 in g_main_dispatch (context=0x555555b2c740) at ../glib/gmain.c:3398
#43 g_main_context_dispatch_unlocked (context=0x555555b2c740) at ../glib/gmain.c:4249
#44 0x00007ffff68c6708 in g_main_context_iterate_unlocked (context=0x555555b2c740, block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>) at ../glib/gmain.c:4314
#45 0x00007ffff68c69af in g_main_loop_run (loop=0x55555bd29490) at ../glib/gmain.c:4516
#46 0x00007ffff7782ec5 in gtk_main () at ../gtk/gtkmain.c:1329
#47 0x00005555555637ba in main (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/claws-mail-4.3.1git70-0.1.fc42.x86_64/src/main.c:1574


-- 

Brian Morrison

                "I am not young enough to know everything"
                                                          Oscar Wilde


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