#2  <signal handler called>

#3  operator= (rhs=..., this=0x7fe028727ff0) at /home/travis/src/sql/my_decimal.h:106

#4  my_decimal2decimal (to=0x7fe028727ff0, from=0x0) at /home/travis/src/sql/my_decimal.h:270

#5  my_decimal2binary (mask=28, d=0x0, bin=0x7fdf4c0045ba "\200", prec=22, scale=6) at /home/travis/src/sql/my_decimal.cc:207

#6  0x000000000073a0b2 in Field_new_decimal::store_value (this=0x7fdf4c004410, decimal_value=0x0, native_error=0x7fe0287280dc) at /home/travis/src/sql/field.cc:3065

#7  0x000000000073a18b in Field_new_decimal::store_value (this=0x7fdf4c004410, decimal_value=<optimized out>) at /home/travis/src/sql/field.cc:3085

#8  0x000000000073a219 in Field_new_decimal::store_decimal (this=<optimized out>, decimal_value=<optimized out>) at /home/travis/src/sql/field.cc:3227

#9  0x0000000000755f18 in Item::save_in_field (this=0x7fdf4c006bc0, field=0x7fdf4c004410, no_conversions=true) at /home/travis/src/sql/item.cc:6063

#10 0x000000000061d80f in copy_funcs (thd=0x2a5bbe8, func_ptr=0x7fdf4c0abcf8) at /home/travis/src/sql/sql_select.cc:23450

#11 end_write (join=0x7fdf4c007a20, join_tab=<optimized out>, end_of_records=<optimized out>) at /home/travis/src/sql/sql_select.cc:19758

#12 0x000000000060585d in evaluate_join_record (join=0x7fdf4c007a20, join_tab=0x7fdf4c006858, error=<optimized out>) at /home/travis/src/sql/sql_select.cc:18621

#13 0x000000000060e0e6 in sub_select (join=0x7fdf4c007a20, join_tab=0x7fdf4c006858, end_of_records=<optimized out>) at /home/travis/src/sql/sql_select.cc:18437

#14 0x000000000061b2cd in do_select (join=0x7fdf4c007a20, fields=0x0, table=0x7fdf4c0aacc0, procedure=0x0) at /home/travis/src/sql/sql_select.cc:18053

#15 0x000000000062c135 in JOIN::exec_inner (this=0x7fdf4c0050a0) at /home/travis/src/sql/sql_select.cc:2766

#16 0x000000000062e13e in JOIN::exec (this=0x7fdf4c0050a0) at /home/travis/src/sql/sql_select.cc:2512

#17 0x000000000062e300 in mysql_select (thd=0x2a5bbe8, rref_pointer_array=<optimized out>, tables=0x7fdf4c0a6908, wild_num=0, fields=..., conds=<optimized out>, og_num=2, order=0x0, group=0x7fdf4c0a74d8, having=0x0, proc_param=0x0, select_options=3489925889, result=0x7fdf4c005000, unit=0x7fdf4c0a4570, select_lex=0x7fdf4c0a4c70) at /home/travis/src/sql/sql_select.cc:3449

#18 0x000000000062f13e in handle_select (thd=0x2a5bbe8, lex=0x7fdf4c0a44a8, result=0x7fdf4c005000, setup_tables_done_option=1073741824) at /home/travis/src/sql/sql_select.cc:384

#19 0x00000000005e3865 in mysql_execute_command (thd=0x2a5bbe8) at /home/travis/src/sql/sql_parse.cc:4032

#20 0x00000000005f4f73 in Prepared_statement::execute (this=0x7fdf4c0701f8, expanded_query=<optimized out>, open_cursor=<optimized out>) at /home/travis/src/sql/sql_prepare.cc:4299

#21 0x00000000005f507b in Prepared_statement::execute_loop (this=0x7fdf4c0701f8, expanded_query=0x7fe02872ad60, open_cursor=<optimized out>, packet_end=<optimized out>, packet=<optimized out>) at /home/travis/src/sql/sql_prepare.cc:3931

#22 0x00000000005f5556 in mysql_sql_stmt_execute (thd=0x2a5bbe8) at /home/travis/src/sql/sql_prepare.cc:3055

#23 0x00000000005dcf6b in mysql_execute_command (thd=0x2a5bbe8) at /home/travis/src/sql/sql_parse.cc:2992

#24 0x00000000005e4137 in mysql_parse (thd=0x2a5bbe8, rawbuf=<optimized out>, length=<optimized out>, parser_state=<optimized out>) at /home/travis/src/sql/sql_parse.cc:7344

#25 0x00000000005e7705 in dispatch_command (command=COM_QUERY, thd=0x2a5bbe8, packet=0x2a60e79 " EXECUTE stmt /* QNO 27682 CON_ID 10 */ ", packet_length=<optimized out>) at /home/travis/src/sql/sql_parse.cc:1484

#26 0x00000000005e7a19 in do_command (thd=0x2a5bbe8) at /home/travis/src/sql/sql_parse.cc:1106

#27 0x00000000006a1824 in do_handle_one_connection (thd_arg=<optimized out>) at /home/travis/src/sql/sql_connect.cc:1349

#28 0x00000000006a18c0 in handle_one_connection (arg=0x2a5bbe8) at /home/travis/src/sql/sql_connect.cc:1261

#29 0x00007fe02b0c1e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0

#30 0x00007fe02a7f32ed in clone () from /lib/x86_64-linux-gnu/libc.so.6

#31 0x0000000000000000 in ?? ()

Query (0x7fdf4c004d78): INSERT INTO `ps`  SELECT DISTINCT CONVERT( `col_varchar_nokey` USING utf8 ) AS field1, BIT_OR( 'nukloukltwcdktpimtvlwmjmsjermgfbovlgzgbqldzansfebirruxlihiafzylcxfzwnszzexmapqspjqnpdqhdksnhaxjvhmjkrdeabsqfceozwavmycgywvilanahryrvcdlqcithpnaejeythbuvyiqxvpvflvglp' ) AS field2 FROM `CC` WHERE LOG( `col_date_key` ) GROUP BY UNIX_TIMESTAMP( ( ( SYSTEM_USER() ) + ( UUID() ) ) ), @A := -8258757291667357696 WITH ROLLUP

Connection ID (thread ID): 10

Status: NOT_KILLED

perl /home/travis/rqg/runall-new.pl --views --validators=TransformerNoComparator --mysqld=--max-statement-time=30 --seed=1516345448 --threads=6 --duration=350 --reporters=Backtrace,ErrorLog,Deadlock --transformers=ExecuteAsUnion,ExecuteAsView --redefine=conf/mariadb/federated.yy --mysqld=--default-storage-engine=MyISAM --mysqld=--query_cache_type=0 --mysqld=--query_cache_size=0 --mysqld=--key_buffer_size=2G --mysqld=--thread_stack=192 --mysqld=--thread_cache_size=8 --mysqld=--myisam_recover_options=BACKUP --mysqld=--character-set-server=utf8mb4 --mysqld=--collation-server=utf8mb4_general_ci --grammar=conf/mariadb/functions.yy --engine=MyISAM --basedir1=/home/travis/server --vardir=/home/travis/logs/vardir1_2