(gdb) thread apply all bt

Thread 15 (Thread 0x7b0883fff640 (LWP 5634) "net-0"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x55fbc8624af8) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55fbc8624af8) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55fbc8624af8, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007f3acb693a41 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55fbc8624a98, cond=0x55fbc8624ad0) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x55fbc8624ad0, mutex=0x55fbc8624a98) at ./nptl/pthread_cond_wait.c:627
#5  0x000055fbc3fa1023 in boost::asio::detail::scheduler::do_run_one(boost::asio::detail::conditionally_enabled_mutex::scoped_lock&, boost::asio::detail::scheduler_thread_info&, boost::system::error_code const&) ()
#6  0x000055fbc3fa0c61 in boost::asio::detail::scheduler::run(boost::system::error_code&) ()
#7  0x000055fbc43ccd06 in boost::asio::detail::posix_thread::func<boost::asio::detail::resolver_service_base::work_scheduler_runner>::run() ()
#8  0x000055fbc3fa0aad in boost_asio_detail_posix_thread_function ()
#9  0x00007f3acb694ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#10 0x00007f3acb726660 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 3 (Thread 0x7f2acabff640 (LWP 5549) "oc-monitor"):
#0  0x00007f3acb725c3e in epoll_wait (epfd=18, events=0x7f2acabfe4c0, maxevents=128, timeout=-1) at ../sysdeps/unix/sysv/linux/epoll_wait.c:30
#1  0x000055fbc3fa15ab in boost::asio::detail::epoll_reactor::run(long, boost::asio::detail::op_queue<boost::asio::detail::scheduler_operation>&) ()
#2  0x000055fbc3fa10af in boost::asio::detail::scheduler::do_run_one(boost::asio::detail::conditionally_enabled_mutex::scoped_lock&, boost::asio::detail::scheduler_thread_info&, boost::system::error_code const&) ()
#3  0x000055fbc3fa0c61 in boost::asio::detail::scheduler::run(boost::system::error_code&) ()
#4  0x000055fbc4eaaa29 in void* std::__1::__thread_proxy<std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, eosio::chain::eosvmoc::code_cache_async::code_cache_async(boost::filesystem::path, eosio::chain::eosvmoc::config const&, chainbase::database const&)::$_1> >(void*) ()
#5  0x00007f3acb694ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#6  0x00007f3acb726660 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 2 (Thread 0x7f3acb5ff640 (LWP 5547) "nodeos"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x55fbc853fd98) at ./nptl/futex-internal.c:57
--Type <RET> for more, q to quit, c to continue without paging--
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x55fbc853fd98) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x55fbc853fd98, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007f3acb693a41 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55fbc853fd38, cond=0x55fbc853fd70) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x55fbc853fd70, mutex=0x55fbc853fd38) at ./nptl/pthread_cond_wait.c:627
#5  0x000055fbc3fa1023 in boost::asio::detail::scheduler::do_run_one(boost::asio::detail::conditionally_enabled_mutex::scoped_lock&, boost::asio::detail::scheduler_thread_info&, boost::system::error_code const&) ()
#6  0x000055fbc3fa0c61 in boost::asio::detail::scheduler::run(boost::system::error_code&) ()
#7  0x000055fbc3fb05be in void* std::__1::__thread_proxy<std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, appbase::application_impl::application_impl()::{lambda()#1}> >(void*) ()
#8  0x00007f3acb694ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#9  0x00007f3acb726660 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 1 (Thread 0x7f3acbef4900 (LWP 5545) "nodeos"):
#0  __pthread_kill_implementation (no_tid=0, signo=11, threadid=139890506287360) at ./nptl/pthread_kill.c:44
#1  __pthread_kill_internal (signo=11, threadid=139890506287360) at ./nptl/pthread_kill.c:78
#2  __GI___pthread_kill (threadid=139890506287360, signo=signo@entry=11) at ./nptl/pthread_kill.c:89
#3  0x00007f3acb642476 in __GI_raise (sig=11) at ../sysdeps/posix/raise.c:26
#4  0x000055fbc4ec465e in eosio::chain::eosvmoc::segv_handler(int, siginfo_t*, void*) ()
#5  <signal handler called>
#6  0x000055fbc4b9fcdf in eosio::chain::controller_impl::clear_expired_input_transactions(fc::time_point const&) ()
#7  0x000055fbc499a218 in eosio::chain::controller_impl::add_to_snapshot(std::__1::shared_ptr<eosio::chain::snapshot_writer> const&) ()
#8  0x000055fbc499a0b2 in eosio::chain::controller_impl::calculate_integrity_hash() ()
#9  0x000055fbc4bdeb8e in eosio::chain::controller_impl::~controller_impl() ()
#10 0x000055fbc496e6e9 in eosio::chain::controller::~controller() ()
#11 0x000055fbc450b54e in eosio::chain_plugin::plugin_shutdown() ()
#12 0x000055fbc3fa92ea in appbase::application_base::shutdown() ()
#13 0x000055fbc3fa65c2 in void appbase::application_base::exec<appbase::two_queue_executor>(appbase::two_queue_executor&) ()
#14 0x000055fbc3f98aaf in main ()