Signal 11 when running mariadb-dump

250626 20:58:22 [ERROR] mariadbd got signal 11 ;

Sorry, we probably made a mistake, and this is a bug.

Your assistance in bug reporting will enable us to fix this for the next release.

To report this bug, see https://mariadb.com/kb/en/reporting-bugs about how to report

a bug on https://jira.mariadb.org/.

Please include the information from the server start above, to the end of the

information below.

Server version: 11.8.2-MariaDB-ubu2404-log source revision: 8d36cafe4fc700e6e577d5a36650c58707e76b92

The information page at https://mariadb.com/kb/en/how-to-produce-a-full-stack-trace-for-mariadbd/

contains instructions to obtain a better version of the backtrace below.

Following these instructions will help MariaDB developers provide a fix quicker.

Attempting backtrace. Include this in the bug report.

(note: Retrieving this information may fail)

Thread pointer: 0x7f27ac000c68

stack_bottom = 0x7f283c429000 thread_stack 0x49000

Printing to addr2line failed

mariadbd(my_print_stacktrace+0x30)[0x55c8587170a0]

mariadbd(handle_fatal_signal+0x1f3)[0x55c858290893]

/lib/x86_64-linux-gnu/libc.so.6(+0x45330)[0x7f2855fe6330]

mariadbd(_ZN4Item19print_parenthesisedEP6String15enum_query_type10precedence+0x21)[0x55c8582af6a1]

mariadbd(+0x11340db)[0x55c8588890db]

mariadbd(+0x8d60fc)[0x55c85802b0fc]

mariadbd(_Z14get_all_tablesP3THDP10TABLE_LISTP4Item+0x176a)[0x55c8580316aa]

mariadbd(_Z24get_schema_tables_resultP4JOIN23enum_schema_table_state+0x2aa)[0x55c85803a7aa]

mariadbd(_ZN4JOIN10exec_innerEv+0x9dd)[0x55c857fd2f4d]

mariadbd(_ZN4JOIN4execEv+0x37)[0x55c857fd3927]

mariadbd(_Z12mysql_selectP3THDP10TABLE_LISTR4ListI4ItemEPS4_jP8st_orderS9_S7_S9_yP13select_resultP18st_select_lex_unitP13st_select_lex+0x128)[0x55c857fd3f38]

mariadbd(_Z13handle_selectP3THDP3LEXP13select_resulty+0x17a)[0x55c857fc2b9a]

mariadbd(+0x82da81)[0x55c857f82a81]

mariadbd(_Z21mysql_execute_commandP3THDb+0x3868)[0x55c857f8d438]

mariadbd(_Z11mysql_parseP3THDPcjP12Parser_state+0x19a)[0x55c857f8e6ca]

mariadbd(_Z16dispatch_command19enum_server_commandP3THDPcjb+0x1041)[0x55c857f7a531]

mariadbd(_Z10do_commandP3THDb+0x199)[0x55c857f7bc39]

mariadbd(_Z24do_handle_one_connectionP7CONNECTb+0x65b)[0x55c85811183b]

mariadbd(handle_one_connection+0x71)[0x55c858111c81]

mariadbd(+0xd6e27e)[0x55c8584c327e]

/lib/x86_64-linux-gnu/libc.so.6(+0x9caa4)[0x7f285603daa4]

/lib/x86_64-linux-gnu/libc.so.6(+0x129c3c)[0x7f28560cac3c]

Connection ID (thread ID): 766

Status: NOT_KILLED

Query (0x7f27ac013070): select column_name, extra, generation_expression, data_type from information_schema.columns where table_schema=database() and table_name='contact' order by ordinal_position

Optimizer switch: index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on,condition_pushdown_from_having=on,not_null_range_scan=off,hash_join_cardinality=on,cset_narrowing=on,sargable_casefold=on

Writing a core file...

Working directory at /var/lib/mysql

Resource Limits (excludes unlimited resources):

Limit                     Soft Limit           Hard Limit           Units     

Max stack size            8388608              unlimited            bytes     

Max processes             1048576              1048576              processes 

Max open files            1048576              1048576              files     

Max locked memory         8388608              8388608              bytes     

Max pending signals       103003               103003               signals   

Max msgqueue size         819200               819200               bytes     

Max nice priority         0                    0                    

Max realtime priority     0                    0                    

Core pattern: |/usr/lib/systemd/systemd-coredump %P %u %g %s %t %c %h

Kernel version: Linux version 5.14.0-553.el9.x86_64 (mockbuild@x86-05.stream.rdu2.redhat.com) (gcc (GCC) 11.5.0 20240719 (Red Hat 11.5.0-2), GNU ld version 2.35.2-59.el9) #1 SMP PREEMPT_DYNAMIC Wed Jan 15 16:52:20 UTC 2025

CREATE USER `backup-service`@`%` IDENTIFIED BY PASSWORD '.....';

GRANT SELECT, SHOW DATABASES, LOCK TABLES, EXECUTE, REPLICATION SLAVE, SHOW VIEW, TRIGGER ON *.* TO `backup-service`@`%` IDENTIFIED BY PASSWORD '....';

/*M!100005 SET DEFAULT ROLE NONE FOR 'backup-service'@'%' */;

/*!80001 ALTER USER 'backup-service'@'%' DEFAULT ROLE NONE */;

--single-transaction --skip-add-locks --routines --triggers