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  1. MariaDB Server
  2. MDEV-32397

join_read_first, keyread: SEGV at /mariadb-11.3.0/sql/sql_select.cc:24300

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Duplicate
    • 11.3.0, 10.4(EOL), 10.5, 10.6, 10.9(EOL), 10.10(EOL), 10.11, 11.0(EOL), 11.1(EOL), 11.2(EOL)
    • 10.5.25
    • Optimizer, Server
    • None
    • Ubuntu 20.04

    Description

      Run these queries in release build:

      CREATE TABLE t0 ( c38 DOUBLE ( 87 , 18 ) ) ;
      INSERT INTO t0 VALUES ( DEFAULT ) , ( DEFAULT ) ;
      CREATE INDEX i0 ON t0 ( c38 ) ;
      INSERT INTO t0 VALUES ( 34 ) , ( -14 ) ;
      SELECT t0 . c38 AS c5 FROM ( SELECT c38 AS c27 FROM t0 ) AS t1 JOIN t0 ON t0 . c38 >= LN ( c27 IS TRUE ) LIKE EXISTS ( SELECT SPACE ( c24 ) - UNHEX ( c38 ) + STD( ORD ( -26 ) & RADIANS ( 62 ) / TRIM( LEADING 110 FROM 'a4~mq;A825}$&%(C

      {!}

      .!

      {S&pATQJb%F}

      qU@UH?VHFyU4%))Gx' ) AND -19.704435 | ACOS ( -69 IS TRUE ) ) % + RAND ( CONVERT ( -75 , UNSIGNED ) IN ( -64 , 10 , -118 ) XOR -85 = MAKE_SET ( 11 , ROUND ( -89 , -20 ) SOUNDS LIKE TRIM( TRAILING FROM 34 ) AND RAND ( ) ) ) AS c17 FROM ( SELECT t2 . c38 AS c24 FROM t0 LEFT OUTER JOIN t0 AS t2 USING ( c38 ) ) AS t3 JOIN t0 ON t3 . c24 = t0 . c38 GROUP BY c38 , c24 UNION SELECT c38 + 35 AS c48 FROM t0 WHERE c38 IN ( SELECT c38 AS c12 FROM t0 ) ) ;

      Will trigger Segmentation fault.
      GDB info:
      Thread 16 "mariadbd" received signal SIGSEGV, Segmentation fault.
      [Switching to Thread 0x7fffe011a700 (LWP 45648)]
      join_read_next_same (info=0x7fff940a6658) at /home/wx/mariadb-11.3.0/sql/sql_select.cc:24300
      24300 JOIN_TAB *tab=table->reginfo.join_tab;
      (gdb) p table
      $14 = (TABLE *) 0x0

      #0 join_read_next_same (info=0x7fff940a6658)
      at /home/wx/mariadb-11.3.0/sql/sql_select.cc:24300
      #1 0x0000555555dbf837 in READ_RECORD::read_record (this=0x7fff940a6658)
      at /home/wx/mariadb-11.3.0/sql/records.h:81
      #2 sub_select (join=0x7fff9408bac0, join_tab=0x7fff940a6588, end_of_records=false)
      at /home/wx/mariadb-11.3.0/sql/sql_select.cc:23461
      #3 0x0000555555dad6d4 in evaluate_join_record (join=join@entry=0x7fff9408bac0,
      join_tab=join_tab@entry=0x7fff940a6110, error=<optimized out>)
      at /home/wx/mariadb-11.3.0/sql/sql_select.cc:23677
      #4 0x0000555555dbf874 in sub_select (join=0x7fff9408bac0, join_tab=0x7fff940a6110,
      end_of_records=false) at /home/wx/mariadb-11.3.0/sql/sql_select.cc:23481
      #5 0x0000555555df19b2 in do_select (procedure=<optimized out>, join=0x7fff9408bac0)
      at /home/wx/mariadb-11.3.0/sql/sql_select.cc:22961
      #6 JOIN::exec_inner (this=this@entry=0x7fff9408bac0)
      at /home/wx/mariadb-11.3.0/sql/sql_select.cc:4941
      #7 0x0000555555df1d78 in JOIN::exec (this=0x7fff9408bac0)
      at /home/wx/mariadb-11.3.0/sql/sql_select.cc:4718
      #8 0x0000555555e444bc in st_select_lex_unit::exec_inner (this=0x7fff9407b198)
      at /home/wx/mariadb-11.3.0/sql/sql_union.cc:2389
      #9 0x0000555555e44821 in st_select_lex_unit::exec (this=<optimized out>)
      at /home/wx/mariadb-11.3.0/sql/sql_union.cc:2292
      #10 0x00005555560af942 in subselect_union_engine::exec (this=0x7fff9407e860)
      at /home/wx/mariadb-11.3.0/sql/item_subselect.cc:4187
      #11 0x00005555560b040c in Item_subselect::exec (this=0x7fff9407e6b8)
      at /home/wx/mariadb-11.3.0/sql/item_subselect.cc:812
      #12 0x00005555560af1a3 in Item_exists_subselect::val_str (this=0x7fff9407e6b8,
      str=0x7fff9407ea38) at /home/wx/mariadb-11.3.0/sql/item_subselect.cc:1865
      #13 0x0000555556023f3d in Item_func_like::val_int (this=0x7fff9407e918)
      at /home/wx/mariadb-11.3.0/sql/item_cmpfunc.cc:5721
      #14 0x00005555560464b2 in Item_int_func::val_real (this=<optimized out>)
      at /home/wx/mariadb-11.3.0/sql/item_func.cc:753
      #15 0x00005555560104d4 in Arg_comparator::compare_real_fixed (this=0x7fff9407eb18)
      at /home/wx/mariadb-11.3.0/sql/item_cmpfunc.cc:914
      #16 0x0000555556010d2f in Arg_comparator::compare (this=<optimized out>)
      at /home/wx/mariadb-11.3.0/sql/item_cmpfunc.h:104
      #17 Item_func_ge::val_int (this=<optimized out>)
      at /home/wx/mariadb-11.3.0/sql/item_cmpfunc.cc:1812
      #18 0x0000555555ec7e3c in SQL_SELECT::skip_record (this=<optimized out>, thd=0x7fff94000c58)
      at /home/wx/mariadb-11.3.0/sql/opt_range.h:1914
      #19 JOIN_CACHE::check_match (rec_ptr=0x7fff940253b3 <incomplete sequence \375>,
      this=0x7fff94094060) at /home/wx/mariadb-11.3.0/sql/sql_join_cache.cc:2560
      #20 JOIN_CACHE::generate_full_extensions (this=0x7fff94094060,
      rec_ptr=0x7fff940253b3 <incomplete sequence \375>)
      at /home/wx/mariadb-11.3.0/sql/sql_join_cache.cc:2503
      #21 0x0000555555ec8297 in JOIN_CACHE::join_matching_records (this=0x7fff94094060,
      skip_last=false) at /home/wx/mariadb-11.3.0/sql/sql_join_cache.cc:2403
      #22 0x0000555555ec7bf3 in JOIN_CACHE::join_records (this=this@entry=0x7fff94094060,
      skip_last=skip_last@entry=false) at /home/wx/mariadb-11.3.0/sql/sql_join_cache.cc:2158
      #23 0x0000555555dbfcba in sub_select_cache (join=0x7fff9407fdd0, join_tab=0x7fff94092fc8,
      end_of_records=<optimized out>) at /home/wx/mariadb-11.3.0/sql/sql_select.cc:23192
      #24 0x0000555555df1814 in do_select (procedure=<optimized out>, join=0x7fff9407fdd0)
      at /home/wx/mariadb-11.3.0/sql/sql_select.cc:22963
      #25 JOIN::exec_inner (this=this@entry=0x7fff9407fdd0)
      at /home/wx/mariadb-11.3.0/sql/sql_select.cc:4941
      #26 0x0000555555df1d78 in JOIN::exec (this=this@entry=0x7fff9407fdd0)
      at /home/wx/mariadb-11.3.0/sql/sql_select.cc:4718
      #27 0x0000555555defe1c in mysql_select (thd=thd@entry=0x7fff94000c58, tables=0x7fff94014e08,
      fields=..., conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0,
      select_options=<optimized out>, result=0x7fff9407fda8, unit=0x7fff94004ee8,
      select_lex=0x7fff94013210) at /home/wx/mariadb-11.3.0/sql/sql_select.cc:5249
      #28 0x0000555555df0607 in handle_select (thd=thd@entry=0x7fff94000c58,
      lex=lex@entry=0x7fff94004e08, result=result@entry=0x7fff9407fda8,
      setup_tables_done_option=setup_tables_done_option@entry=0)
      at /home/wx/mariadb-11.3.0/sql/sql_select.cc:628
      #29 0x0000555555d6de41 in execute_sqlcom_select (thd=thd@entry=0x7fff94000c58,
      all_tables=0x7fff94014e08) at /home/wx/mariadb-11.3.0/sql/sql_parse.cc:6013
      #30 0x0000555555d7c2aa in mysql_execute_command (thd=thd@entry=0x7fff94000c58,
      is_called_from_prepared_stmt=is_called_from_prepared_stmt@entry=false)
      at /home/wx/mariadb-11.3.0/sql/sql_parse.cc:3912
      #31 0x0000555555d68c27 in mysql_parse (thd=0x7fff94000c58, rawbuf=<optimized out>,
      length=<optimized out>, parser_state=<optimized out>)
      at /home/wx/mariadb-11.3.0/sql/sql_parse.cc:7734
      #32 0x0000555555d74fdd in dispatch_command (command=command@entry=COM_QUERY,
      thd=thd@entry=0x7fff94000c58, packet=packet@entry=0x7fff94008509 "",
      packet_length=packet_length@entry=696, blocking=blocking@entry=true)
      at /home/wx/mariadb-11.3.0/sql/sql_class.h:251
      #33 0x0000555555d7721e in do_command (thd=0x7fff94000c58, blocking=blocking@entry=true)
      at /home/wx/mariadb-11.3.0/sql/sql_parse.cc:1406
      #34 0x0000555555e9a617 in do_handle_one_connection (connect=<optimized out>,
      connect@entry=0x555557e0c5c8, put_in_cache=put_in_cache@entry=true)
      at /home/wx/mariadb-11.3.0/sql/sql_connect.cc:1445
      #35 0x0000555555e9a94d in handle_one_connection (arg=arg@entry=0x555557e0c5c8)
      at /home/wx/mariadb-11.3.0/sql/sql_connect.cc:1347
      #36 0x00005555561e658d in pfs_spawn_thread (arg=0x555557db5e18)
      at /home/wx/mariadb-11.3.0/storage/perfschema/pfs.cc:2201
      #37 0x00007ffff7b48609 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
      #38 0x00007ffff7719133 in clone () from /lib/x86_64-linux-gnu/libc.so.6

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              Gosselin Dave Gosselin
              Xin Wen Xin Wen
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                Created:
                Updated:
                Resolved:

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