Assertion in federatedx on multi-update

--source have_federatedx.inc

create or replace table t1 (

  x int,

  d timestamp(6));

--replace_result $MASTER_MYPORT MASTER_MYPORT

eval create or replace table tf engine=FEDERATED connection='mysql://root@127.0.0.1:$MASTER_MYPORT/test/t1';

create or replace table t2 (

  x int, y int,

  d timestamp(6));

--replace_result $MASTER_MYPORT MASTER_MYPORT

eval create or replace table t2f engine=FEDERATED connection='mysql://root@127.0.0.1:$MASTER_MYPORT/test/t2';

create or replace table t3 (

  x int, y int, z int,

  d timestamp(6));

--replace_result $MASTER_MYPORT MASTER_MYPORT

eval create or replace table t3f engine=FEDERATED connection='mysql://root@127.0.0.1:$MASTER_MYPORT/test/t3';

insert into t1 values (1, "1990-01-01 00:00");

insert into t1 values (1, "1991-01-01 11:11");

insert into t2 values (2, 2, "1992-02-02 22:22");

insert into t3 values (3, 3, 3, "1993-03-03 23:33");

update tf, t2f, t3f set tf.x= 11, t2f.y= 22, t3f.z= 33;

drop database test;

create database test;

#3  0x00007ffff6d16142 in __GI___assert_fail (assertion=0x146668d "len < 0xFFFFFFFFL", file=0x1464f50 "/home/midenok/src/mariadb/trunk/src/sql/sql_error.h", line=841, function=0x146669f "virtual const char *ErrConvString::ptr() const") at assert.c:101

#4  0x000000000065683d in ErrConvString::ptr (this=0x7ffff0ae4378) at /home/midenok/src/mariadb/trunk/src/sql/sql_error.h:841

#5  0x0000000000a835dd in Field_num::check_edom_and_important_data_truncation (this=0x7fffe0043cf0, type=0x15aa6d0 "integer", edom=true, cs=0x1d66dc0 <my_charset_bin>, str=0x7fffe0066fcd "\217\217\217", length=3543410658499006563, end=0x7fffe0066fcd "\217\217\217") at /home/midenok/src/mariadb/trunk/src/sql/field.cc:1530

#6  0x0000000000a83837 in Field_num::check_edom_and_truncation (this=0x7fffe0043cf0, type=0x15aa6d0 "integer", edom=true, cs=0x1d66dc0 <my_charset_bin>, str=0x7fffe0066fcd "\217\217\217", length=3543410658499006563, end=0x7fffe0066fcd "\217\217\217") at /home/midenok/src/mariadb/trunk/src/sql/field.cc:1548

#7  0x0000000000ab11ed in Field_num::check_int (this=0x7fffe0043cf0, cs=0x1d66dc0 <my_charset_bin>, str=0x7fffe0066fcd "\217\217\217", length=3543410658499006563, int_end=0x7fffe0066fcd "\217\217\217", error=33) at /home/midenok/src/mariadb/trunk/src/sql/field.h:1657

#8  0x0000000000a839d4 in Field_num::get_int (this=0x7fffe0043cf0, cs=0x1d66dc0 <my_charset_bin>, from=0x7fffe0066fcd "\217\217\217", len=3543410658499006563, rnd=0x7ffff0ae4798, unsigned_max=4294967295, signed_min=-2147483648, signed_max=2147483647) at /home/midenok/src/mariadb/trunk/src/sql/field.cc:1613

#9  0x0000000000a8f3e0 in Field_long::store (this=0x7fffe0043cf0, from=0x7fffe0066fcd "\217\217\217", len=3543410658499006563, cs=0x1d66dc0 <my_charset_bin>) at /home/midenok/src/mariadb/trunk/src/sql/field.cc:4145

#10 0x00007ffff1df721a in ha_federatedx::convert_row_to_internal_format (this=0x7fffe0043ec0, record=0x7fffe0043ad8 "\361\001", row=0x7fffe0066f98, result=0x7fffe0060f98) at /home/midenok/src/mariadb/trunk/src/storage/federatedx/ha_federatedx.cc:888

#11 0x00007ffff1dfdf25 in ha_federatedx::read_next (this=0x7fffe0043ec0, buf=0x7fffe0043ad8 "\361\001", result=0x7fffe0060f98) at /home/midenok/src/mariadb/trunk/src/storage/federatedx/ha_federatedx.cc:2943

#12 0x00007ffff1dfeeec in ha_federatedx::rnd_pos (this=0x7fffe0043ec0, buf=0x7fffe0043ad8 "\361\001", pos=0x7fffe005bed1 "\230\017\006\340\377\177") at /home/midenok/src/mariadb/trunk/src/storage/federatedx/ha_federatedx.cc:3016

#13 0x0000000000acde7e in handler::ha_rnd_pos (this=0x7fffe0043ec0, buf=0x7fffe0043ad8 "\361\001", pos=0x7fffe005bed1 "\230\017\006\340\377\177") at /home/midenok/src/mariadb/trunk/src/sql/handler.cc:2798

#14 0x00000000008b07e6 in multi_update::do_updates (this=0x7fffe0017960) at /home/midenok/src/mariadb/trunk/src/sql/sql_update.cc:2642

#15 0x00000000008b119e in multi_update::send_eof (this=0x7fffe0017960) at /home/midenok/src/mariadb/trunk/src/sql/sql_update.cc:2807

#16 0x00000000007f7d41 in do_select (join=0x7fffe0017a38, procedure=0x0) at /home/midenok/src/mariadb/trunk/src/sql/sql_select.cc:18898

#17 0x00000000007f6879 in JOIN::exec_inner (this=0x7fffe0017a38) at /home/midenok/src/mariadb/trunk/src/sql/sql_select.cc:4035

#18 0x00000000007f598e in JOIN::exec (this=0x7fffe0017a38) at /home/midenok/src/mariadb/trunk/src/sql/sql_select.cc:3829

#19 0x00000000007cdad7 in mysql_select (thd=0x7fffe0000cf8, tables=0x7fffe0015f98, wild_num=0, fields=..., conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=1342177408, result=0x7fffe0017960, unit=0x7fffe0004ba8, select_lex=0x7fffe0005318) at /home/midenok/src/mariadb/trunk/src/sql/sql_select.cc:4234

#20 0x00000000008acd57 in mysql_multi_update (thd=0x7fffe0000cf8, table_list=0x7fffe0015f98, fields=0x7fffe0005440, values=0x7fffe0005948, conds=0x0, options=0, handle_duplicates=DUP_ERROR, ignore=false, unit=0x7fffe0004ba8, select_lex=0x7fffe0005318, result=0x7ffff0ae6f78) at /home/midenok/src/mariadb/trunk/src/sql/sql_update.cc:1758

#21 0x00000000007875dd in mysql_execute_command (thd=0x7fffe0000cf8) at /home/midenok/src/mariadb/trunk/src/sql/sql_parse.cc:4640

#22 0x000000000077f640 in mysql_parse (thd=0x7fffe0000cf8, rawbuf=0x7fffe0015e80 "update tf, t2f, t3f set tf.x= 11, t2f.y= 22, t3f.z= 33", length=54, parser_state=0x7ffff0ae85e0, is_com_multi=false, is_next_command=false) at /home/midenok/src/mariadb/trunk/src/sql/sql_parse.cc:8091