Assertion `total == 0' failed in Event_log::write_cache_raw

(rr) bt

#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50

#1  0x000014902e71e859 in __GI_abort () at abort.c:79

#2  0x000014902e71e729 in __assert_fail_base (fmt=0x14902e8b4588 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=0x5607009a5850 "total == 0", 

    file=0x5607009a2130 "/data/for_nikita/bb-11.2-release-patched/sql/log.cc", line=7411, function=<optimized out>) at assert.c:92

#3  0x000014902e72ffd6 in __GI___assert_fail (assertion=0x5607009a5850 "total == 0", file=0x5607009a2130 "/data/for_nikita/bb-11.2-release-patched/sql/log.cc", line=7411, 

    function=0x5607009a5820 "int Event_log::write_cache_raw(THD*, IO_CACHE*)") at assert.c:101

#4  0x00005606ffed8f98 in Event_log::write_cache_raw (this=0x6a338036a8c0, thd=0x56cf80000d48, cache=0x55c704364c20) at /data/for_nikita/bb-11.2-release-patched/sql/log.cc:7411

#5  0x00005606fff66dac in online_alter_end_trans (cache_list=..., thd=0x56cf80000d48, is_ending_transaction=false, commit=false) at /data/for_nikita/bb-11.2-release-patched/sql/online_alter.cc:238

#6  0x00005606fff67330 in online_alter_rollback (hton=0x560702e43538, thd=0x56cf80000d48, all=false) at /data/for_nikita/bb-11.2-release-patched/sql/online_alter.cc:344

#7  0x00005606ffd7b72a in ha_rollback_trans (thd=0x56cf80000d48, all=false) at /data/for_nikita/bb-11.2-release-patched/sql/handler.cc:2264

#8  0x00005606ffb90034 in trans_rollback_stmt (thd=0x56cf80000d48) at /data/for_nikita/bb-11.2-release-patched/sql/transaction.cc:535

#9  0x00005606ff9b5b53 in mysql_execute_command (thd=0x56cf80000d48, is_called_from_prepared_stmt=false) at /data/for_nikita/bb-11.2-release-patched/sql/sql_parse.cc:5856

#10 0x00005606ff9bafb9 in mysql_parse (thd=0x56cf80000d48, rawbuf=0x56cf80013360 "/* WRK-6 QNO 20404 */  LOAD DATA INFILE '/tmp/gentest3386729.tmp' INTO TABLE `dbt3_db`.`r`", length=90, 

    parser_state=0x6f9530c1e340) at /data/for_nikita/bb-11.2-release-patched/sql/sql_parse.cc:7808

#11 0x00005606ff9a8f2a in dispatch_command (command=COM_QUERY, thd=0x56cf80000d48, packet=0x56cf8000aff9 "/* WRK-6 QNO 20404 */  LOAD DATA INFILE '/tmp/gentest3386729.tmp' INTO TABLE `dbt3_db`.`r`", 

    packet_length=90, blocking=true) at /data/for_nikita/bb-11.2-release-patched/sql/sql_parse.cc:1893

#12 0x00005606ff9a7b27 in do_command (thd=0x56cf80000d48, blocking=true) at /data/for_nikita/bb-11.2-release-patched/sql/sql_parse.cc:1406

#13 0x00005606ffb7491f in do_handle_one_connection (connect=0x5607034a48c8, put_in_cache=true) at /data/for_nikita/bb-11.2-release-patched/sql/sql_connect.cc:1418

#14 0x00005606ffb746ab in handle_one_connection (arg=0x5607034a48c8) at /data/for_nikita/bb-11.2-release-patched/sql/sql_connect.cc:1320

#15 0x0000421662844609 in start_thread (arg=<optimized out>) at pthread_create.c:477

#16 0x000014902e81b133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95