SIGSEGV in JOIN::get_best_combination() upon SELECT

250509  4:34:35 [ERROR] mysqld got signal 11 ;

Server version: 10.11.5-MariaDB-log source revision: 7875294b6b74b53dd3aaa723e6cc103d2bb47b2c

/lib64/libpthread.so.0(+0x12cf0)[0x7f6e251bccf0]

sql/sql_select.cc:11706(JOIN::get_best_combination())[0x5617374ad1dc]

sql/sql_select.cc:2606(JOIN::optimize_stage2())[0x5617374d6403]

sql/sql_select.cc:2585(JOIN::optimize_inner())[0x5617374db271]

sql/sql_select.cc:1897(JOIN::optimize())[0x5617374dca50]

sql/sql_select.cc:5098(mysql_select(THD*, TABLE_LIST*, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_select_lex*))[0x5617374dcb3e]

sql/sql_select.cc:586(handle_select(THD*, LEX*, select_result*, unsigned long long))[0x5617374dd31b]

sql/sql_parse.cc:6289(LEX::mark_first_table_as_inserting())[0x5617374656d2]

sql/sql_parse.cc:5625(mysql_execute_command(THD*, bool))[0x56173746dbca]

sql/sql_parse.cc:8035(mysql_parse(THD*, char*, unsigned int, Parser_state*))[0x561737460b87]

sql/sql_parse.cc:1896(dispatch_command(enum_server_command, THD*, char*, unsigned int, bool))[0x56173746a6e6]

sql/sql_parse.cc:1407(do_command(THD*, bool))[0x56173746bdab]

sql/sql_connect.cc:1416(do_handle_one_connection(CONNECT*, bool))[0x56173757f977]

sql/sql_connect.cc:1318(handle_one_connection)[0x56173757fcbd]

perfschema/pfs.cc:2204(MyCTX_nopad::finish(unsigned char*, unsigned int*))[0x5617378b5c9d]

/lib64/libpthread.so.0(+0x81ca)[0x7f6e251b21ca]

/lib64/libc.so.6(clone+0x43)[0x7f6e24502e73]    

Trying to get some variables.

Some pointers may be invalid and cause the dump to abort.

Query (0x7f44348e6f80): Select Users.UserIndex, UserID, Users.Password, GroupName, PasswordSource, UserService, UserIP, FilterName, UserActive, Users.StartDate, UserExpiryDate, CallBackNumber, CallerID, Lockout, Users.PasswordEncryptionMethod, MaxUserSessions, SkipPasswordCheck, HotlineStatus, BarringStatus, BarringReason, MaxVolumeCap, AllowedAccessTypes, CopyRadiusRequests, SubnetIP, SubnetMask, CIDR, CustomField1, CustomField2, CustomField3, CustomField4, CustomField5, CustomNumField1, CustomNumField2, CustomNumField3, CustomNumField4, CustomNumField5, SessionLimit, UserTokens, FirstLogon, FramedInterfaceId, FramedIPv6Prefix, PeriodicTimeUsage, PeriodicVolumeUsage, TimeUsageTriggerThresholds, VolumeUsageTriggerThresholds, CustomReplylist, CustomChecklist, BillingSystemCorrelationId, ChargingSystemCorrelationId, ChargingMode, LockOutTime, LockOutCount, Users.PseudoIdentity, CustomDate1, CustomDate2, CustomDate3, CustomDate4, CustomDate5, CustomField6, CustomField7, CustomField8, CustomField9, CustomField10, RestrictedLocations, MaxTimeCap, PortId, CustomNumField6, CustomNumField7, CustomNumField8, CustomNumField9, CustomNumField10,SpeedMapName,UserIPv6,NetworkService, CustomField11,CustomField12,CustomField13,CustomField14,CustomField15 , PasswordDate  From Users Where UserID = '03332136955VDSL'