*** Caught signal (Segmentation fault) **
 in thread 7f026719d700 thread_name:radosgw
 ceph version 14.2.1 (d555a9489eb35f84f2e1ef49b77e19da9d113972) nautilus (stable)
 1: (()+0x12890) [0x7f02dbf9a890]
 2: (boost::intrusive::circular_list_algorithms<boost::intrusive::list_node_traits<void*> >::swap_nodes(boost::intrusive::list_node<void*>* const&, boost::intrusive::list_node<void*>* const&)+0x52) [0x563881e930a2]
 3: (void boost::intrusive::list_impl<boost::intrusive::bhtraits<rgw::AioResultEntry, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)1, boost::intrusive::dft_tag, 1u>, unsigned long, true, void>::sort<get_obj_data::flush(rgw::OwningList<rgw::AioResultEntry>&&)::{lambda(auto:1 const&, auto:2 const&)#1}>(get_obj_data::flush(rgw::OwningList<rgw::AioResultEntry>&&)::{lambda(auto:1 const&, auto:2 const&)#1})+0x2ab) [0x563881e933fb]
 4: (get_obj_data::flush(rgw::OwningList<rgw::AioResultEntry>&&)+0x7d) [0x563881e9365d]
 5: (RGWRados::get_obj_iterate_cb(rgw_raw_obj const&, long, long, long, bool, RGWObjState*, void*)+0x32e) [0x563881e624be]
 6: (()+0x6196f4) [0x563881e626f4]
 7: (RGWRados::iterate_obj(RGWObjectCtx&, RGWBucketInfo const&, rgw_obj const&, long, long, unsigned long, int (*)(rgw_raw_obj const&, long, long, long, bool, RGWObjState*, void*), void*)+0x44e) [0x563881e7658e]
 8: (RGWRados::Object::Read::iterate(long, long, RGWGetDataCB*)+0x178) [0x563881e7a2b8]
 9: (RGWGetObj::execute()+0x8fb) [0x563881e01e0b]
 10: (rgw_process_authenticated(RGWHandler_REST*, RGWOp*&, RGWRequest*, req_state*, bool)+0x915) [0x563881bcfdf5]
 11: (process_request(RGWRados*, RGWREST*, RGWRequest*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, rgw::auth::StrategyRegistry const&, RGWRestfulIO*, OpsLogSocket*, optional_yield, rgw::dmclock::Scheduler*, int*)+0x253c) [0x563881bd29dc]
 12: (()+0x2f06b8) [0x563881b396b8]
 13: (()+0x2f114a) [0x563881b3a14a]
 14: (make_fcontext()+0x2f) [0x563881fdb10f]