(gdb) thread apply all bt

Thread 3 (Thread 0x7f1aad7ff640 (LWP 5362) "oc-monitor"):
#0  0x00007f2aae325c3e in epoll_wait (epfd=18, events=0x7f1aad7fe210, maxevents=128, timeout=-1) at ../sysdeps/unix/sysv/linux/epoll_wait.c:30
#1  0x0000555c256adfcd in boost::asio::detail::epoll_reactor::run(long, boost::asio::detail::op_queue<boost::asio::detail::scheduler_operation>&) ()
#2  0x0000555c256af36d 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  0x0000555c256aef91 in boost::asio::detail::scheduler::run(boost::system::error_code&) ()
#4  0x0000555c256c05e5 in boost::asio::io_context::run() ()
#5  0x0000555c2631ff70 in void* std::__1::__thread_proxy[abi:v170002]<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(std::__1::__fs::filesystem::path const&, eosio::chain::eosvmoc::config const&, chainbase::database const&)::$_0> >(void*) ()
#6  0x00007f2aae294ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#7  0x00007f2aae326660 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 2 (Thread 0x7f2aae1ff640 (LWP 5360) "nodeos"):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x555c2a3ef578) at ./nptl/futex-internal.c:57
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x555c2a3ef578) at ./nptl/futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x555c2a3ef578, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at ./nptl/futex-internal.c:139
#3  0x00007f2aae293a41 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x555c2a3ef518, cond=0x555c2a3ef550) at ./nptl/pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x555c2a3ef550, mutex=0x555c2a3ef518) at ./nptl/pthread_cond_wait.c:627
#5  0x0000555c256af2f7 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  0x0000555c256aef91 in boost::asio::detail::scheduler::run(boost::system::error_code&) ()
#7  0x0000555c256c05e5 in boost::asio::io_context::run() ()
#8  0x0000555c256c048c in void* std::__1::__thread_proxy[abi:v170002]<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*) ()
#9  0x00007f2aae294ac3 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#10 0x00007f2aae326660 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

--Type <RET> for more, q to quit, c to continue without paging--
Thread 1 (Thread 0x7f2aae4eef40 (LWP 5358) "nodeos"):
#0  __pthread_kill_implementation (no_tid=0, signo=11, threadid=139821289762624) at ./nptl/pthread_kill.c:44
#1  __pthread_kill_internal (signo=11, threadid=139821289762624) at ./nptl/pthread_kill.c:78
#2  __GI___pthread_kill (threadid=139821289762624, signo=signo@entry=11) at ./nptl/pthread_kill.c:89
#3  0x00007f2aae242476 in __GI_raise (sig=11) at ../sysdeps/posix/raise.c:26
#4  0x0000555c26331053 in eosio::chain::eosvmoc::segv_handler(int, siginfo_t*, void*) ()
#5  <signal handler called>
#6  0x0000555c260959e1 in eosio::chain::controller_impl::clear_expired_input_transactions(fc::time_point const&) ()
#7  0x0000555c25ee1258 in eosio::chain::controller_impl::add_to_snapshot(std::__1::shared_ptr<eosio::chain::snapshot_writer> const&) ()
#8  0x0000555c25ee1114 in eosio::chain::controller_impl::calculate_integrity_hash() ()
#9  0x0000555c260d1a2e in eosio::chain::controller_impl::~controller_impl() ()
#10 0x0000555c25ec17f0 in eosio::chain::controller::~controller() ()
#11 0x0000555c25b15775 in eosio::chain_plugin_impl::plugin_shutdown() ()
#12 0x0000555c256b7b8a in appbase::application_base::shutdown() ()
#13 0x0000555c256b520f in void appbase::application_base::exec<appbase::priority_queue_executor>(appbase::priority_queue_executor&) ()
#14 0x0000555c256a5617 in main ()