(gdb) bt full
#0  0x00007f368b5f8337 in raise () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007f368b5f9a28 in abort () from /lib64/libc.so.6
No symbol table info available.
#2  0x00007f368c156195 in __gnu_cxx::__verbose_terminate_handler () at /tmp/deploy/gcc-7.3.0/libstdc++-v3/libsupc++/vterminate.cc:95
        terminating = false
        t = <optimized out>
#3  0x00000000005a4bd2 in backtrace_terminate_handler () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/utilities/terminate_handler.cc:86
No locals.
#4  0x00007f368c153f86 in __cxxabiv1::__terminate (handler=<optimized out>) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/libsupc++/eh_terminate.cc:47
No locals.
#5  0x00007f368c153fd1 in std::terminate () at /tmp/deploy/gcc-7.3.0/libstdc++-v3/libsupc++/eh_terminate.cc:57
No locals.
#6  0x00007f368c154213 in __cxxabiv1::__cxa_throw (obj=obj@entry=0x7f35fc000940, tinfo=0x86bc60 <typeinfo for std::out_of_range>, dest=0x428a60 <_ZNSt12out_of_rangeD1Ev@plt>) at /tmp/deploy/gcc-7.3.0/libstdc++-v3/libsupc++/eh_throw.cc:93
        globals = <optimized out>
        header = 0x7f35fc0008c0
#7  0x00007f368c17c867 in std::__throw_out_of_range (__s=__s@entry=0x7f368f9ad884 "stoll") at /tmp/deploy/gcc-7.3.0/libstdc++-v3/src/c++11/functexcept.cc:82
No locals.
#8  0x00007f368f869987 in __stoa<long long> (__idx=0x0, __str=0x7f367c1ea480 <Address 0x7f367c1ea480 out of bounds>, __name=0x7f368f9ad884 "stoll", __convf=<optimized out>) at /usr/local/include/c++/7.3.0/ext/string_conversions.h:86
        __ret = <optimized out>
        __endptr = 0x7f367c1ea494 <Address 0x7f367c1ea494 out of bounds>
        __tmp = <optimized out>
#9  stoll (__base=10, __idx=0x0, __str=...) at /usr/local/include/c++/7.3.0/bits/basic_string.h:6376
No locals.
#10 from_json (j=..., vbs=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/vbucket_state.cc:241
        version = {m_object = 0x7f3629fe19c0, m_it = {object_iterator = {_M_node = 0x7f3625f4de70}, array_iterator = {_M_current = 0x0}, primitive_iterator = {static begin_value = 0, static end_value = 1, m_it = -9223372036854775808}}}
        hcs = {m_object = 0x7f3629fe19c0, m_it = {object_iterator = {_M_node = 0x7f3625eb9520}, array_iterator = {_M_current = 0x0}, primitive_iterator = {static begin_value = 0, static end_value = 1, m_it = -9223372036854775808}}}
        pps = {m_object = 0x7f3629fe19c0, m_it = {object_iterator = {_M_node = 0x7f36259474e0}, array_iterator = {_M_current = 0x0}, primitive_iterator = {static begin_value = 0, static end_value = 1, m_it = -9223372036854775808}}}
        hps = {m_object = 0x7f3629fe19c0, m_it = {object_iterator = {_M_node = 0x7f3625e15960}, array_iterator = {_M_current = 0x0}, primitive_iterator = {static begin_value = 0, static end_value = 1, m_it = -9223372036854775808}}}
        maxVisibleSeqno = {m_object = 0x7f3629fe19c0, m_it = {object_iterator = {_M_node = 0x7f3625285d70}, array_iterator = {_M_current = 0x0}, primitive_iterator = {static begin_value = 0, static end_value = 1, 
              m_it = -9223372036854775808}}}
        hlcEpochSeqno = {m_object = 0x7f3629fe19c0, m_it = {object_iterator = {_M_node = 0x7f3625f5f780}, array_iterator = {_M_current = 0x0}, primitive_iterator = {static begin_value = 0, static end_value = 1, 
              m_it = -9223372036854775808}}}
        mightContainXattrs = {m_object = 0x7f3629fe19c0, m_it = {object_iterator = {_M_node = 0x7f3625574b10}, array_iterator = {_M_current = 0x0}, primitive_iterator = {static begin_value = 0, static end_value = 1, 
              m_it = -9223372036854775808}}}
        supportsNamespaces = {m_object = 0x7f3629fe19c0, m_it = {object_iterator = {_M_node = 0x7f36257ad150}, array_iterator = {_M_current = 0x0}, primitive_iterator = {static begin_value = 0, static end_value = 1, 
              m_it = -9223372036854775808}}}
        checkpointType = {m_object = 0x7f367c1ea494, m_it = {object_iterator = {_M_node = 0x1}, array_iterator = {_M_current = 0x7f3626990030}, primitive_iterator = {static begin_value = 0, static end_value = 1, m_it = 32}}}
#11 0x00007f368f8af394 in operator()<nlohmann::basic_json<>, vbucket_state> (this=<synthetic pointer>, val=..., j=...)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/json.exploded/include/nlohmann/detail/conversions/from_json.hpp:358
No locals.
#12 from_json<const nlohmann::basic_json<>&, vbucket_state> (val=..., j=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/json.exploded/include/nlohmann/adl_serializer.hpp:28
No locals.
#13 get<vbucket_state> (this=<optimized out>, this=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/json.exploded/include/nlohmann/json.hpp:2588
No locals.
#14 operator vbucket_state<vbucket_state> (this=0x7f3629fe19c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/json.exploded/include/nlohmann/json.hpp:2868
No locals.
#15 CouchKVStore::readVBState (this=this@entry=0x7f3674209c00, db=<optimized out>, vbId=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/couch-kvstore/couch-kvstore.cc:2787
        id = {buf = 0x7f368f9c0a83 "_local/vbstate", size = 14}
        ldoc = 0x7f3654262f10
        highSeqno = 4910
        purgeSeqno = 0
        snapshot = {start = 0, range = {start = <optimized out>, end = <optimized out>}}
        info = {version = cb::couchstore::Header::V13, timestamp = 1600862434380658573, updateSeqNum = 4910, purgeSeqNum = 0, headerPosition = 126976, filename = 0x7f367c17b580 <Address 0x7f367c17b580 out of bounds>, docCount = 760, 
          deletedCount = 1, spaceUsed = 117360, fileSize = 127075}
        vbState = {static CurrentVersion = 3, maxDeletedSeqno = {counter = {_M_elems = "\000\000\000\000\000"}}, highSeqno = 0, purgeSeqno = 0, lastSnapStart = 0, lastSnapEnd = 0, maxCas = 0, hlcCasEpochSeqno = -1, 
          mightContainXattrs = false, supportsNamespaces = true, version = 3, persistedCompletedSeqno = 0, persistedPreparedSeqno = 0, highPreparedSeqno = 0, maxVisibleSeqno = 0, onDiskPrepares = 0, checkpointType = Memory, 
          transition = {failovers = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f3629fe1b50 ""}, _M_string_length = 0, 
              {_M_local_buf = "\000X\037|6\177\000\000\023\000\000\000\000\000\000", _M_allocated_capacity = 139871987390464}}, replicationTopology = {m_type = nlohmann::detail::null, m_value = {object = 0x0, array = 0x0, string = 0x0, 
                boolean = false, number_integer = 0, number_unsigned = 0, number_float = 0}}, state = vbucket_state_dead}}
        couchStoreStatus = <optimized out>
        statjson = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f3625218c00 <Address 0x7f3625218c00 out of bounds>}, 
          _M_string_length = 490, {_M_local_buf = "\352\001\000\000\000\000\000\000+\003\000\000\000\000\000", _M_allocated_capacity = 490}}
        json = {m_type = nlohmann::detail::object, m_value = {object = 0x7f36269992e0, array = 0x7f36269992e0, string = 0x7f36269992e0, boolean = 224, number_integer = 139870552560352, number_unsigned = 139870552560352, 
---Type <return> to continue, or q <return> to quit---
            number_float = 6.9105234884902331e-310}}
        status = <optimized out>
#16 0x00007f368f8b1fc1 in CouchKVStore::initBySeqnoScanContext (this=this@entry=0x7f3674209c00, cb=..., cl=..., vbid=..., startSeqno=<optimized out>, startSeqno@entry=4909, options=ALL_ITEMS, valOptions=VALUES_COMPRESSED, source=Head)
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/couch-kvstore/couch-kvstore.cc:1707
        handle = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, KVFileHandle*, std::default_delete<KVFileHandle> >> = {<std::_Tuple_impl<1, std::default_delete<KVFileHandle> >> = {<std::_Head_base<1, std::default_delete<KVFileHandle>, true>> = {<std::default_delete<KVFileHandle>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, KVFileHandle*, false>> = {_M_head_impl = 0x7f367c1c6e20}, <No data fields>}, <No data fields>}}}
        timestamp = {<std::_Optional_base<unsigned long>> = {_M_payload = {{_M_empty = {<No data fields>}, _M_payload = 0}, 
              _M_engaged = <optimized out>}}, <std::_Enable_copy_move<true, true, true, true, std::optional<unsigned long> >> = {<No data fields>}, <No data fields>}
        header = {version = cb::couchstore::Header::V13, timestamp = 1600862434380658573, updateSeqNum = 4910, purgeSeqNum = 0, headerPosition = 126976, filename = 0x7f367c17b580 <Address 0x7f367c17b580 out of bounds>, docCount = 760, 
          deletedCount = 1, spaceUsed = 117360, fileSize = 127075}
        count = 1
        errorCode = <optimized out>
        readVbStateResult = {status = 4362096, state = {static CurrentVersion = 3, maxDeletedSeqno = {counter = {_M_elems = "\020\036\376)6\177"}}, highSeqno = 139871515964416, purgeSeqno = 139871515964352, lastSnapStart = 2, 
            lastSnapEnd = 139870609481288, maxCas = 139871985336320, hlcCasEpochSeqno = 139872275078882, mightContainXattrs = false, supportsNamespaces = false, version = 32566, persistedCompletedSeqno = 139869904961547, 
            persistedPreparedSeqno = 139869904961538, highPreparedSeqno = 139871985336320, maxVisibleSeqno = 139870553228040, onDiskPrepares = 139872288756793, checkpointType = Disk, transition = {failovers = {
                static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f368d459f50 <je_nallocx+128> "\200\070"}, 
                _M_string_length = 139870609481217, {_M_local_buf = " ", '\000' <repeats 14 times>, _M_allocated_capacity = 32}}, replicationTopology = {m_type = 161, m_value = {object = 0x20, array = 0x20, string = 0x20, boolean = 32, 
                  number_integer = 32, number_unsigned = 32, number_float = 1.5810100666919889e-322}}, state = 2080749824}}}
        collectionsManifest = {<std::_Vector_base<Collections::KVStore::DroppedCollection, std::allocator<Collections::KVStore::DroppedCollection> >> = {
            _M_impl = {<std::allocator<Collections::KVStore::DroppedCollection>> = {<__gnu_cxx::new_allocator<Collections::KVStore::DroppedCollection>> = {<No data fields>}, <No data fields>}, _M_start = 0x20, 
              _M_finish = 0x7f368e160f60 <cb::JEArenaCoreLocalTracker::memDeallocated(unsigned char, void*)+64>, _M_end_of_storage = 0x7f36743b8300}}, <No data fields>}
#17 0x00007f368f730d58 in DCPBackfillBySeqnoDisk::create (this=0x7f367c05b900) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/dcp/backfill_by_seqno_disk.cc:91
        stream = {<std::__shared_ptr<ActiveStream, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<ActiveStream, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f3626a3c310, _M_refcount = {
              _M_pi = 0x7f3626a3c300}}, <No data fields>}
        vbid = {vbid = 160}
        lastPersistedSeqno = <optimized out>
        kvstore = 0x7f3674209c00
        valFilter = VALUES_COMPRESSED
        scanCtx = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, BySeqnoScanContext*, std::default_delete<BySeqnoScanContext> >> = {<std::_Tuple_impl<1, std::default_delete<BySeqnoScanContext> >> = {<std::_Head_base<1, std::default_delete<BySeqnoScanContext>, true>> = {<std::default_delete<BySeqnoScanContext>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, BySeqnoScanContext*, false>> = {_M_head_impl = 0x7f365414aaa0}, <No data fields>}, <No data fields>}}}
        allowNonRollBackCollectionStream = <optimized out>
#18 0x00007f368f734479 in DCPBackfillDisk::run (this=0x7f367c05b900) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/dcp/backfill_disk.cc:138
        lh = {_M_device = @0x7f367c05b908}
#19 0x00007f368f7364eb in BackfillManager::backfill (this=0x7f367c173ad0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/dcp/backfill-manager.cc:331
        lh = {_M_device = 0x7f367c173b28, _M_owns = false}
        backfill = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, DCPBackfillIface*, std::default_delete<DCPBackfillIface> >> = {<std::_Tuple_impl<1, std::default_delete<DCPBackfillIface> >> = {<std::_Head_base<1, std::default_delete<DCPBackfillIface>, true>> = {<std::default_delete<DCPBackfillIface>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, DCPBackfillIface*, false>> = {_M_head_impl = 0x7f367c05b960}, <No data fields>}, <No data fields>}}}
        source = BackfillManager::Initializing
        status = <optimized out>
#20 0x00007f368f73674e in BackfillManagerTask::run (this=0x7f365414aaa0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/dcp/backfill-manager.cc:76
        phosphor_internal_category_enabled_65 = {_M_b = {_M_p = 0x0}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::atomic<phosphor::CategoryStatus> const*>::is_always_lock_free".>}
        phosphor_internal_category_enabled_temp_65 = <optimized out>
        phosphor_internal_tpi_65 = {category = 0x3247dd <Address 0x3247dd out of bounds>, name = 0x32b8e5 <Address 0x32b8e5 out of bounds>, type = phosphor::Complete, argument_names = {_M_elems = {
              0x3533cb <Address 0x3533cb out of bounds>, 0x3533cb <Address 0x3533cb out of bounds>}}, argument_types = {_M_elems = {phosphor::is_none, phosphor::is_none}}}
        phosphor_internal_guard_65 = {tpi = 0x7f368fc7b680 <BackfillManagerTask::run()::phosphor_internal_tpi_65>, enabled = true, arg1 = {<No data fields>}, arg2 = {<No data fields>}, start = {__d = {__r = 1430439893623748}}}
        manager = {<std::__shared_ptr<BackfillManager, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<BackfillManager, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = <optimized out>, _M_refcount = {
              _M_pi = 0x7f367c173ac0}}, <No data fields>}
        status = <optimized out>
#21 0x00007f368f7f6a03 in GlobalTask::execute (this=0x7f365414aaa0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/globaltask.cc:73
        guard = {previous = 0x0}
#22 0x00007f368f6fa65f in CB3ExecutorThread::run (this=0x7f368a177fc0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/cb3_executorthread.cc:174
        curTaskDescr = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
            _M_p = 0x7f368a1c19e0 <Address 0x7f368a1c19e0 out of bounds>}, _M_string_length = 38, {_M_local_buf = "&\000\000\000\000\000\000\000\024,\001\000\000\000\000", _M_allocated_capacity = 38}}
        woketime = <optimized out>
        scheduleOverhead = <optimized out>
        again = <optimized out>
        runtime = <optimized out>
        q = <optimized out>
        tick = 251 '\373'
        guard = {engine = 0x0}
#23 0x00007f368e152947 in run (this=0x7f368a1c2940) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:58
---Type <return> to continue, or q <return> to quit---
No locals.
#24 platform_thread_wrap (arg=0x7f368a1c2940) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:71
        context = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, CouchbaseThread*, std::default_delete<CouchbaseThread> >> = {<std::_Tuple_impl<1, std::default_delete<CouchbaseThread> >> = {<std::_Head_base<1, std::default_delete<CouchbaseThread>, true>> = {<std::default_delete<CouchbaseThread>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, CouchbaseThread*, false>> = {_M_head_impl = 0x7f368a1c2940}, <No data fields>}, <No data fields>}}}
#25 0x00007f368b997e65 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#26 0x00007f368b6c088d in clone () from /lib64/libc.so.6
No symbol table info available.
(gdb)