Frequent table partition meta data queries cause mysqld to crash periodically

select SUBPARTITION_NAME from  information_schema.partitions where TABLE_NAME='gtid_log_t' and SUBPARTITION_ORDINAL_POSITION=3;

#0  lf_pinbox_real_free (pins=0x260e500) at /data/home/jenkins/workspace/mariadb/mariadb/mysys/lf_alloc-pin.c:355

#1  0x0000000000c4eeb5 in l_delete (pins=0x260e500, keylen=16, key=0x7f7ab003e6a1 "test", hashnr=2685431289, cs=0x15ee820 <my_charset_bin>, head=0x2616448) at /data/home/jenkins/workspace/mariadb/mariadb/mysys/lf_hash.c:245

#2  lf_hash_delete (hash=0x1687540 <tdc_hash>, pins=0x260e500, key=0x7f7ab003e6a1, keylen=16) at /data/home/jenkins/workspace/mariadb/mariadb/mysys/lf_hash.c:453

#3  0x000000000075ff3f in tdc_acquire_share (thd=0x5283b0a8, db=0x7f7ab000aa58 "test", table_name=0x7f7ab000aa60 "gtid_log_t", key=0x7f7ab003e6a1 "test", key_length=16, hash_value=532023301, flags=1, out_table=0x7f7b7c7afcb0)

    at /data/home/jenkins/workspace/mariadb/mariadb/sql/table_cache.cc:644

#4  0x00000000005c2502 in open_table (thd=0x5283b0a8, table_list=0x7f7ab003e260, ot_ctx=0x7f7b7c7afd60) at /data/home/jenkins/workspace/mariadb/mariadb/sql/sql_base.cc:2419

#5  0x00000000005c336e in open_and_process_table (ot_ctx=0x7f7b7c7afd60, has_prelocking_list=false, prelocking_strategy=0x7f7b7c7afe70, flags=1026, counter=0x7f7b7c7afe7c, tables=0x7f7ab003e260, lex=0x7f7b7c7aff00, thd=0x5283b0a8)

    at /data/home/jenkins/workspace/mariadb/mariadb/sql/sql_base.cc:4068

#6  open_tables (thd=0x5283b0a8, options=..., start=0x7f7b7c7afe58, counter=0x7f7b7c7afe7c, flags=1026, prelocking_strategy=0x7f7b7c7afe70) at /data/home/jenkins/workspace/mariadb/mariadb/sql/sql_base.cc:4579

#7  0x00000000005c3ee3 in open_tables (prelocking_strategy=0x7f7b7c7afe70, flags=<optimized out>, counter=0x7f7b7c7afe7c, tables=0x7f7b7c7afe58, thd=0x5283b0a8) at /data/home/jenkins/workspace/mariadb/mariadb/sql/sql_base.h:246

#8  open_normal_and_derived_tables (thd=0x5283b0a8, tables=0x7f7ab003e260, flags=<optimized out>, dt_phases=34) at /data/home/jenkins/workspace/mariadb/mariadb/sql/sql_base.cc:5304

#9  0x000000000066abf5 in fill_schema_table_by_open (thd=0x5283b0a8, is_show_fields_or_keys=false, table=0x7f7ab0038360, schema_table=0x15c2660 <schema_tables+1152>, orig_db_name=0x7f7ab000a780, orig_table_name=0x7f7ab0009e68, 

    open_tables_state_backup=0x7f7b7c7b2f00, can_deadlock=false) at /data/home/jenkins/workspace/mariadb/mariadb/sql/sql_show.cc:4110

#10 0x000000000066e4fe in get_all_tables (thd=0x5283b0a8, tables=0x7f7ab0004f88, cond=<optimized out>) at /data/home/jenkins/workspace/mariadb/mariadb/sql/sql_show.cc:4735

#11 0x0000000000668447 in get_schema_tables_result (join=0x7f7ab0007a28, executed_place=PROCESSED_BY_JOIN_EXEC) at /data/home/jenkins/workspace/mariadb/mariadb/sql/sql_show.cc:8052

#12 0x000000000065fe5d in JOIN::exec_inner (this=0x7f7ab0007a28) at /data/home/jenkins/workspace/mariadb/mariadb/sql/sql_select.cc:2670

#13 0x000000000065ead7 in exec (this=0x7f7ab0007a28) at /data/home/jenkins/workspace/mariadb/mariadb/sql/sql_select.cc:2519

#14 mysql_select (thd=0x5283b0a8, rref_pointer_array=0x5283f310, tables=<optimized out>, wild_num=0, fields=..., conds=<optimized out>, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2684619520, 

    result=0x7f7ab0007a08, unit=0x5283e9a8, select_lex=0x5283f098) at /data/home/jenkins/workspace/mariadb/mariadb/sql/sql_select.cc:3509

#15 0x0000000000662106 in handle_select (thd=0x5283b0a8, lex=0x5283e8e0, result=0x7f7ab0007a08, setup_tables_done_option=0) at /data/home/jenkins/workspace/mariadb/mariadb/sql/sql_select.cc:385

#16 0x00000000005ff561 in execute_sqlcom_select (thd=0x5283b0a8, all_tables=0x7f7ab0004f88) at /data/home/jenkins/workspace/mariadb/mariadb/sql/sql_parse.cc:6232

#17 0x000000000060a3f0 in mysql_execute_command (thd=0x5283b0a8) at /data/home/jenkins/workspace/mariadb/mariadb/sql/sql_parse.cc:3156

#18 0x000000000060cddd in mysql_parse (thd=0x5283b0a8, rawbuf=<optimized out>, length=126, parser_state=0x7f7b7c7b6860) at /data/home/jenkins/workspace/mariadb/mariadb/sql/sql_parse.cc:7632

#19 0x000000000060fb90 in dispatch_command (command=COM_QUERY, thd=0x5283b0a8, packet=0x52840cd9 "select SUBPARTITION_NAME from  information_schema.partitions where TABLE_NAME='gtid_log_t' and SUBPARTITION_ORDINAL_POSITION=3", 

    packet_length=126) at /data/home/jenkins/workspace/mariadb/mariadb/sql/sql_parse.cc:1516

#20 0x000000000060ff83 in do_command (thd=0x5283b0a8) at /data/home/jenkins/workspace/mariadb/mariadb/sql/sql_parse.cc:1130

#21 0x00000000006e0b2c in do_handle_one_connection (thd_arg=<optimized out>) at /data/home/jenkins/workspace/mariadb/mariadb/sql/sql_connect.cc:1349

#22 0x00000000006e0c70 in handle_one_connection (arg=0x5283b0a8) at /data/home/jenkins/workspace/mariadb/mariadb/sql/sql_connect.cc:1261

#23 0x00007f8824225dc5 in start_thread () from /lib64/libpthread.so.0

#24 0x00007f8822cd874d in clone () from /lib64/libc.so.

(gdb) f 0

#0  lf_pinbox_real_free (pins=0x260e500) at /data/home/jenkins/workspace/mariadb/mariadb/mysys/lf_alloc-pin.c:355

355     in /data/home/jenkins/workspace/mariadb/mariadb/mysys/lf_alloc-pin.c

(gdb) f 3

#3  0x000000000075ff3f in tdc_acquire_share (thd=0x5283b0a8, db=0x7f7ab000aa58 "test", table_name=0x7f7ab000aa60 "gtid_log_t", key=0x7f7ab003e6a1 "test", key_length=16, hash_value=532023301, flags=1, out_table=0x7f7b7c7afcb0)

    at /data/home/jenkins/workspace/mariadb/mariadb/sql/table_cache.cc:644

644     /data/home/jenkins/workspace/mariadb/mariadb/sql/table_cache.cc: No such file or directory.

(gdb) p thd->query_string 

$1 = {string = {str = 0x7f7ab0004ca0 "select SUBPARTITION_NAME from  information_schema.partitions where TABLE_NAME='gtid_log_t' and SUBPARTITION_ORDINAL_POSITION=3", length = 126}, cs = 0x164ea60 <my_charset_utf8_general_ci>}

(gdb) f 3

#3  0x000000000075ff3f in tdc_acquire_share (thd=0x5283b0a8, db=0x7f7ab000aa58 "test", table_name=0x7f7ab000aa60 "gtid_log_t", key=0x7f7ab003e6a1 "test", key_length=16, hash_value=532023301, flags=1, out_table=0x7f7b7c7afcb0)

    at /data/home/jenkins/workspace/mariadb/mariadb/sql/table_cache.cc:644