[Eventing] Fatal error: libcouchbase experienced an unrecoverable error and terminates the program eventing-consumer to avoid undefined behavior

./testrunner -i /data/workspace/debian-p0-eventing-vset00-00-rebalance_timer_op_curl_6.5_P1/testexec.4779.ini -p get-cbcollect-info=True,GROUP=timer_op_curl_p1,skip_log_scan=True,default_bucket=False,get-cbcollect-info=True,sirius_url=http://172.23.120.103:4000 -t eventing.eventing_rebalance.EventingRebalance.test_erl_crash_on_kv_and_eventing_node_during_eventing_rebalance,doc-per-day=20,dataset=default,nodes_init=5,services_init=kv-kv-eventing-eventing-index:n1ql,groups=simple,reset_services=True,handler_code=timer_op_curl_jenkins,curl=True,GROUP=timer_op_curl_p1,host=http://qa.sc.couchbase.com/

2024-02-25T06:52:07.614-08:00 [Info] eventing-consumer [worker_src_bucket/_default/Function_92694541_test_erl_crash_on_kv_and_eventing_node_during_eventing_rebalance_1:/tmp/127.0.0.1:8091_1_3293547145.sock:2831] FATAL ERROR:

2024-02-25T06:52:07.614-08:00 [Info] eventing-consumer [worker_src_bucket/_default/Function_92694541_test_erl_crash_on_kv_and_eventing_node_during_eventing_rebalance_1:/tmp/127.0.0.1:8091_1_3293547145.sock:2831]     libcouchbase experienced an unrecoverable error and terminates the program

2024-02-25T06:52:07.614-08:00 [Info] eventing-consumer [worker_src_bucket/_default/Function_92694541_test_erl_crash_on_kv_and_eventing_node_during_eventing_rebalance_1:/tmp/127.0.0.1:8091_1_3293547145.sock:2831]     to avoid undefined behavior.

2024-02-25T06:52:07.614-08:00 [Info] eventing-consumer [worker_src_bucket/_default/Function_92694541_test_erl_crash_on_kv_and_eventing_node_during_eventing_rebalance_1:/tmp/127.0.0.1:8091_1_3293547145.sock:2831]     The program should have generated a "corefile" which may used

2024-02-25T06:52:07.614-08:00 [Info] eventing-consumer [worker_src_bucket/_default/Function_92694541_test_erl_crash_on_kv_and_eventing_node_during_eventing_rebalance_1:/tmp/127.0.0.1:8091_1_3293547145.sock:2831]     to gather more information about the problem.

2024-02-25T06:52:07.614-08:00 [Info] eventing-consumer [worker_src_bucket/_default/Function_92694541_test_erl_crash_on_kv_and_eventing_node_during_eventing_rebalance_1:/tmp/127.0.0.1:8091_1_3293547145.sock:2831]     If your system doesn't create "corefiles" I can tell you that the

2024-02-25T06:52:07.614-08:00 [Info] eventing-consumer [worker_src_bucket/_default/Function_92694541_test_erl_crash_on_kv_and_eventing_node_during_eventing_rebalance_1:/tmp/127.0.0.1:8091_1_3293547145.sock:2831]     assertion failed in /home/couchbase/jenkins/workspace/couchbase-server-unix/libcouchbase/src/mc/mcreq-flush-inl.h at line 63

2024-02-25T06:52:07.658-08:00 [Info] Consumer::addToAggChan [worker_src_bucket/_default/Function_92694541_test_erl_crash_on_kv_and_eventing_node_during_eventing_rebalance_0:/tmp/127.0.0.1:8091_0_3293547145.sock:2823] vb: 347 STREAMREQ metadataUpdated not found

2024-02-25T06:52:07.696-08:00 [Info] eventing-consumer [worker_src_bucket/_default/Function_92694541_test_erl_crash_on_kv_and_eventing_node_during_eventing_rebalance_1:/tmp/127.0.0.1:8091_1_3293547145.sock:2831] 

2024-02-25T06:52:07.696-08:00 [Info] eventing-consumer [worker_src_bucket/_default/Function_92694541_test_erl_crash_on_kv_and_eventing_node_during_eventing_rebalance_1:/tmp/127.0.0.1:8091_1_3293547145.sock:2831] == Minidump location: /opt/couchbase/var/lib/couchbase/crash/865b6c46-d019-41b1-9eec1da7-409ec52e.dmp Status: 1 ==

2024-02-25T06:52:07.700-08:00 [Warn] client::Serve [worker_src_bucket/_default/Function_92694541_test_erl_crash_on_kv_and_eventing_node_during_eventing_rebalance_1:/tmp/127.0.0.1:8091_1_3293547145.sock:2831] Failed to read from stdout pipe, err: EOF

2024-02-25T06:52:07.700-08:00 [Warn] client::Serve [worker_src_bucket/_default/Function_92694541_test_erl_crash_on_kv_and_eventing_node_during_eventing_rebalance_1:/tmp/127.0.0.1:8091_1_3293547145.sock:2831] Failed to read from stderr pipe, err: EOF

2024-02-25T06:52:07.700-08:00 [Warn] client::Serve [worker_src_bucket/_default/Function_92694541_test_erl_crash_on_kv_and_eventing_node_during_eventing_rebalance_1:/tmp/127.0.0.1:8091_1_3293547145.sock:2831] Exiting c++ worker with error: signal: aborted

2024-02-25T06:52:07.700-08:00 [Error] Consumer::feedbackReadMessageLoop [worker_src_bucket/_default/Function_92694541_test_erl_crash_on_kv_and_eventing_node_during_eventing_rebalance_1:/tmp/127.0.0.1:8091_1_3293547145.sock:2831] Read from client socket failed, err: EOF