Core was generated by `/usr/local/zeek-6.2.0/bin/zeek -i myri0 -U .status -p zeekctl -p zeekctl-live -p'.
Program terminated with signal SIGSEGV, Segmentation fault.
Address not mapped to object.
#0  zeek::Ref (o=0x0) at /usr/local/src/zeek-6.2.0/src/include/zeek/Obj.h:166
166         if ( ++(o->ref_cnt) <= 1 )
[Current thread is 1 (LWP 103142)]
(gdb) bt
#0  zeek::Ref (o=0x0) at /usr/local/src/zeek-6.2.0/src/include/zeek/Obj.h:166
#1  zeek::Val::Ref (this=0x0) at /usr/local/src/zeek-6.2.0/src/include/zeek/Val.h:113
#2  zeek::input::Manager::EndCurrentSend (this=0x8056b8240, reader=<optimized out>) at /usr/local/src/zeek-6.2.0/src/input/Manager.cc:1269
#3  0x0000000000cf4467 in zeek::input::EndCurrentSendMessage::Process (this=<optimized out>) at /usr/local/src/zeek-6.2.0/src/input/ReaderBackend.cc:90
#4  0x0000000001049c49 in zeek::threading::MsgThread::Process (this=0x807017a00) at /usr/local/src/zeek-6.2.0/src/threading/MsgThread.cc:427
#5  0x0000000000fbffb6 in zeek::run_state::detail::run_loop () at /usr/local/src/zeek-6.2.0/src/RunState.cc:289
#6  0x000000000087b5a8 in main (argc=<optimized out>, argv=<optimized out>) at /usr/local/src/zeek-6.2.0/src/main.cc:93
(gdb)

module ASH;
#redef exit_only_after_terminate = T ;
export {

        redef enum Notice::Type += {
                WhitelistRemoved,
        };

        global whitelist_ip_file: string = "/tmp/ip-whitelist.scan.2" &redef;

        type wl_ip_Idx: record {
                ip: addr;
        };
        type wl_ip_Val: record {
                ip: addr;
                comment: string &optional;
        };
        global whitelist_ip_table: table[addr] of wl_ip_Val = table() &redef;
       global ASH::m_w_remove_ip: event(ip: addr, comment: string);

}

event read_whitelist_ip(description: Input::TableDescription, tpe: Input::Event,
    left: wl_ip_Idx, right: wl_ip_Val)
{
        local _msg = "";
        local ip = right$ip;
        local comment = right?$comment ? right$comment : "";

        if ( tpe == Input::EVENT_REMOVED ) {

                _msg = fmt("%s: %s", ip, comment);
                NOTICE([$note=WhitelistRemoved, $src=right$ip, $msg=_msg]);

@if ( Cluster::is_enabled() )
                Broker::publish(Cluster::worker_topic, ASH::m_w_remove_ip, ip, comment);
@endif
        }

}
event ASH::m_w_remove_ip(ip: addr, comment: string)
{
                delete whitelist_ip_table[ip];  # <---------- crash cause 
}
event zeek_init()
{
                Input::add_table([
                    $source=whitelist_ip_file,
                    $name="whitelist_ip",
                    $idx=wl_ip_Idx,
                    $val=wl_ip_Val,
                    $destination=whitelist_ip_table,
                    $mode=Input::REREAD,
                    $ev=read_whitelist_ip]);
}

[bro@adhoc /usr/local/zeek-cpp/host/policies]$ cat /YURT/feeds/BRO-feeds/ip-whitelist.scan.2 | head
#fields ip      comment
172.70.162.135  ## 2023-02-07-06:56:19: bro: AUTOMATED ZEEK 
172.70.162.163  ## 2023-02-07-08:25:34: bro: AUTOMATED ZEEK
172.70.162.242  ## 2023-02-08-01:58:49: bro: AUTOMATED ZEEK
172.70.162.26   ## 2023-01-29-07:06:34: bro: AUTOMATED ZEEK 

module Test;
global t: table[addr] of count ;
event zeek_init()
{
     t[1.1.1.1] = 1 ;
    delete t[2.2.2.2];
    delete t[1.1.1.1];
    delete t[1.1.1.1];
    print fmt ("%s", t);
}