Thread 1 "mariadbd" stopped.
0x00007ffff7744bbf in __GI___poll (fds=0x612000025ec8, nfds=3, timeout=-1)
    at ../sysdeps/unix/sysv/linux/poll.c:29
29      ../sysdeps/unix/sysv/linux/poll.c: No such file or directory.
(gdb) c
Continuing.
[New Thread 0x7fffd7221700 (LWP 517076)]
[New Thread 0x7fffd824f700 (LWP 517090)]
[New Thread 0x7fffd7a38700 (LWP 517091)]
[New Thread 0x7fffd6a0a700 (LWP 517193)]

Thread 7 "mariadbd" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffd6209700 (LWP 516158)]
0x00005555562c05a3 in optimize_keyuse (join=join@entry=0x62f000013360,
    keyuse_array=keyuse_array@entry=0x62f0000136c0)
    at /home/mariadb/sql/sql_select.cc:7769
7769              keyuse->ref_table_rows= MY_MAX(tmp_table->file->stats.records, 100);
(gdb) bt
#0  0x00005555562c05a3 in optimize_keyuse (join=join@entry=0x62f000013360,
    keyuse_array=keyuse_array@entry=0x62f0000136c0)
    at /home/mariadb/sql/sql_select.cc:7769
#1  0x0000555556658b3b in JOIN::add_keyuses_for_splitting (this=0x62f000013360)
    at /home/mariadb/sql/opt_split.cc:847
#2  0x0000555556291dbc in make_join_statistics (join=join@entry=0x62f0000186f8,
    tables_list=..., keyuse_array=keyuse_array@entry=0x62f000018a58)
    at /home/mariadb/sql/sql_select.cc:6102
#3  0x0000555556288a6e in JOIN::optimize_inner (this=this@entry=0x62f0000186f8)
    at /home/mariadb/sql/sql_select.cc:2657
#4  0x0000555556281a29 in JOIN::optimize (this=this@entry=0x62f0000186f8)
    at /home/mariadb/sql/sql_select.cc:1966
#5  0x000055555627527a in mysql_select (thd=thd@entry=0x62c0001d0288,
    tables=0x6290006a0dd0, fields=..., conds=0x0, og_num=4,
    order=<optimized out>, group=<optimized out>, having=<optimized out>,
    proc_param=<optimized out>, select_options=<optimized out>,
    result=<optimized out>, unit=<optimized out>, select_lex=<optimized out>)
    at /home/mariadb/sql/sql_select.cc:5290
#6  0x0000555556274a38 in handle_select (thd=thd@entry=0x62c0001d0288,
    lex=lex@entry=0x62c0001d4628, result=<optimized out>,
    result@entry=0x62f000018630,
    setup_tables_done_option=setup_tables_done_option@entry=35184372088832)
    at /home/mariadb/sql/sql_select.cc:630
#7  0x00005555561e6dc8 in mysql_execute_command (thd=thd@entry=0x62c0001d0288,
    is_called_from_prepared_stmt=<optimized out>)
    at /home/mariadb/sql/sql_parse.cc:4581
#8  0x00005555561d19e8 in mysql_parse (thd=thd@entry=0x62c0001d0288,
    rawbuf=0x6290000e62a8 "INSERT INTO v0 WITH v0 AS ( SELECT * FROM v2 AS v6 NATURAL JOIN v0 NATURAL JOIN v2 AS v7 NATURAL JOIN v2 AS v8 ) SELECT DISTINCT v1 * -128 = 30 FROM v0 NATURAL JOIN v0 AS v5 NATURAL JOIN v2 AS v3 NATU"...,
    length=<optimized out>, parser_state=parser_state@entry=0x7fffd6208400)
    at /home/mariadb/sql/sql_parse.cc:7798
#9  0x00005555561cd644 in dispatch_command (command=command@entry=COM_QUERY,
    thd=thd@entry=0x62c0001d0288,
    packet=packet@entry=0x6290000dc289 "INSERT INTO v0 WITH v0 AS ( SELECT * FROM v2 AS v6 NATURAL JOIN v0 NATURAL JOIN v2 AS v7 NATURAL JOIN v2 AS v8 ) SELECT DISTINCT v1 * -128 = 30 FROM v0 NATURAL JOIN v0 AS v5 NATURAL JOIN v2 AS v3 NATU"...,
    packet_length=packet_length@entry=249, blocking=156)
    at /home/mariadb/sql/sql_parse.cc:1893
#10 0x00005555561d2812 in do_command (thd=0x62c0001d0288, blocking=100)
    at /home/mariadb/sql/sql_parse.cc:1406
#11 0x00005555564ad3f6 in do_handle_one_connection (connect=<optimized out>,
    connect@entry=0x611000026048, put_in_cache=4)
    at /home/mariadb/sql/sql_connect.cc:1417
--Type <RET> for more, q to quit, c to continue without paging--
#12 0x00005555564acfbc in handle_one_connection (arg=arg@entry=0x611000026048)
    at /home/mariadb/sql/sql_connect.cc:1319
#13 0x0000555556e345ff in pfs_spawn_thread (arg=0x618000006108)
    at /home/mariadb/storage/perfschema/pfs.cc:2201
#14 0x00007ffff7c1a609 in start_thread (arg=<optimized out>)
    at pthread_create.c:477
#15 0x00007ffff7751353 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95