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  1. MariaDB Server
  2. MDEV-33899

Crash in update_field_dependencies()

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Incomplete
    • 10.6.14
    • N/A
    • Optimizer
    • None

    Description

      The following crash happens at times while executing the query (table schema is obfuscated):

      240325 9:52:02 [ERROR] mysqld got signal 11 ;
      This could be because you hit a bug. It is also possible that this binary
      or one of the libraries it was linked against is corrupt, improperly built,
      or misconfigured. This error can also be caused by malfunctioning hardware.
       
      To report this bug, see https://mariadb.com/kb/en/reporting-bugs
       
      We will try our best to scrape up some info that will hopefully help
      diagnose the problem, but since we have already crashed,
      something is definitely wrong and this may fail.
       
      Server version: 10.6.14-MariaDB-log source revision: c93754d45e5d9379e3e23d7ada1d5f21d2711f66
      key_buffer_size=33554432
      read_buffer_size=1048576
      max_used_connections=51
      max_threads=5002
      thread_count=32
      It is possible that mysqld could use up to
      key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 10407476 K bytes of memory
      Hope that's ok; if not, decrease some variables in the equation.
       
      Thread pointer: 0x7f504b407658
      Attempting backtrace. You can use the following information to find out
      where mysqld died. If you see no messages after this, something went
      terribly wrong...
      stack_bottom = 0x7f5068dfc3a0 thread_stack 0x100000
      mysys/stacktrace.c:216(my_print_stacktrace)[0x56399a4b4aee]
      sql/signal_handler.cc:241(handle_fatal_signal)[0x563999e7f727]
      /lib64/libpthread.so.0(+0x12cf0)[0x7f53a735ecf0]
      sql/item.h:7933(update_field_dependencies(THD*, Field*, TABLE*))[0x563999bf433d]
      sql/sql_base.cc:6064(find_field_in_table(THD*, TABLE*, char const*, unsigned long, bool, unsigned short*))[0x563999bf4404]
      sql/sql_base.cc:6190(find_field_in_table_ref(THD*, TABLE_LIST*, char const*, unsigned long, char const*, char const*, char const*, List<TABLE_LIST>*, Item**, bool, bool, unsigned short*, bool, TABLE_LIST**))[0x563999bf4ca3]
      sql/sql_base.cc:6521(find_field_in_tables(THD*, Item_ident*, TABLE_LIST*, TABLE_LIST*, List<TABLE_LIST>*, Item**, find_item_error_report_type, bool, bool))[0x563999bf50b3]
      sql/item.cc:6007(Item_field::fix_fields(THD*, Item**))[0x563999eab259]
      sql/item.h:1156(setup_fields(THD*, Bounds_checked_array<Item*>, List<Item>&, enum_column_usage, List<Item>*, List<Item>*, bool))[0x563999bf7be0]
      sql/sql_select.cc:1437(JOIN::prepare(TABLE_LIST*, Item*, unsigned int, st_order*, bool, st_order*, Item*, st_order*, st_select_lex*, st_select_lex_unit*))[0x563999ca4a9b]
      sql/sql_union.cc:1117(st_select_lex_unit::prepare_join(THD*, st_select_lex*, select_result*, unsigned long long, bool))[0x563999d03f4c]
      sql/sql_union.cc:1498(st_select_lex_unit::prepare(TABLE_LIST*, select_result*, unsigned long long))[0x563999d078d5]
      sql/sql_derived.cc:840(mysql_derived_prepare(THD*, LEX*, TABLE_LIST*))[0x563999c18cb0]
      sql/sql_derived.cc:200(mysql_handle_single_derived(LEX*, TABLE_LIST*, unsigned int))[0x563999c177ed]
      sql/sql_lex.h:4491(st_select_lex::handle_derived(LEX*, unsigned int))[0x563999c329c7]
      sql/sql_select.cc:1341(JOIN::prepare(TABLE_LIST*, Item*, unsigned int, st_order*, bool, st_order*, Item*, st_order*, st_select_lex*, st_select_lex_unit*))[0x563999ca4616]
      sql/sql_select.cc:5045(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*))[0x563999cba106]
      sql/sql_select.cc:571(handle_select(THD*, LEX*, select_result*, unsigned long))[0x563999cba464]
      sql/sql_parse.cc:6274(execute_sqlcom_select(THD*, TABLE_LIST*))[0x563999b0e069]
      sql/sql_parse.cc:3949(mysql_execute_command(THD*, bool))[0x563999c5ab53]
      sql/sql_parse.cc:8037(mysql_parse(THD*, char*, unsigned int, Parser_state*))[0x563999c5cefb]
      sql/sql_parse.cc:1955(dispatch_command(enum_server_command, THD*, char*, unsigned int, bool))[0x563999c5f338]
      sql/sql_parse.cc:1411(do_command(THD*, bool))[0x563999c60863]
      sql/sql_connect.cc:1416(do_handle_one_connection(CONNECT*, bool))[0x563999d59387]
      sql/sql_connect.cc:1324(handle_one_connection)[0x563999d59624]
      perfschema/pfs.cc:2204(pfs_spawn_thread)[0x56399a0f5f3c]
      /lib64/libpthread.so.0(+0x81ca)[0x7f53a73541ca]
      /lib64/libc.so.6(clone+0x43)[0x7f53a66a5e73]
       
      Trying to get some variables.
      Some pointers may be invalid and cause the dump to abort.
      Query (0x7f504b4377f0):
      SELECT 'abc', B.some_name, AVG(cnt), C.cm
      FROM
      (
      SELECT some_id
      , A.c1_YMD
      , COUNT(*) AS cnt
      FROM some_table A
      WHERE A.c1_YMD BETWEEN '2023-11-01' AND '2023-11-31'
      AND HOUR(A.DTTM) IN (7,8,9)
      AND WEEKDAY (DTTM) IN (0,1,2,3,4)
      GROUP BY A.some_id, A.c1_YMD
      ) A
      INNER JOIN other_table B ON ( A.some_id = B.some_id AND B.c2 = 'value' )
      INNER JOIN third_table C ON(A.some_id = C.S_ID AND C.c3 IN ('Y','S','T','E'))
      GROUP BY B.some_name, C.cm
       
      Connection ID (thread ID): 1460701
      Status: NOT_KILLED
       
      Optimizer switch: index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=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=off
      ...
      

      It looks somewhat similar to MDEV-28034, but I can not find the exact match.

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            valerii Valerii Kravchuk
            valerii Valerii Kravchuk
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              Created:
              Updated:
              Resolved:

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