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  1. MariaDB Server
  2. MDEV-37644

Server crash at Item_in_subselect::exec()

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Duplicate
    • 12.1.1
    • N/A
    • Server
    • Ubuntu 20.04 x86-64, docker image mariadb:12.1.1
    • Not for Release Notes

    Description

      PoC:

      SELECT ( WITH x ( x ) AS ( SELECT json_normalize ( 'uri1' ) ) SELECT x FROM ( SELECT REPEAT ( instr ( ( x ) , -128 ) , CASE WHEN 0 THEN 'b' ELSE '1995-09-01' END ) x , 10 FROM x UNION SELECT x , x FROM x ) x WHERE x NOT IN ( SELECT x FROM x ) )
      

      docker log:

      #0 0x5a42fd320c9a (_ZN17Item_in_subselect4execEv+0xba)
      #1 0x5a42fd32502c (_ZN17Item_in_subselect8val_boolEv+0x6c)
      #2 0x5a42fd20fcbd (_ZN17Item_in_optimizer8val_boolEv+0x2dd)
      #3 0x5a42fd1ee5a8 (_ZN15Item_cache_bool11cache_valueEv+0x68)
      #4 0x5a42fd1e8e31 (_ZN18Item_cache_wrapper8val_boolEv+0x151)
      #5 0x5a42fd2086c9 (_ZN13Item_func_not8val_boolEv+0x39)
      #6 0x5a42fcdbaa42 (_ZL20evaluate_join_recordP4JOINP13st_join_tablei+0xd2)
      #7 0x5a42fcd4ed46 (_Z10sub_selectP4JOINP13st_join_tableb+0x526)
      #8 0x5a42fcd85a29 (_ZN4JOIN10exec_innerEv+0x1489)
      #9 0x5a42fcd844b6 (_ZN4JOIN4execEv+0x66)
      #10 0x5a42fcd4fcd4 (_Z12mysql_selectP3THDP10TABLE_LISTR4ListI4ItemEPS4_jP8st_orderS9_S7_S9_yP13select_resultP18st_select_lex_unitP13st_select_lex+0x5e4)
      #11 0x5a42fcc6c999 (_ZL18mysql_derived_fillP3THDP3LEXP10TABLE_LIST+0x419)
      #12 0x5a42fcc6d418 (_Z27mysql_handle_single_derivedP3LEXP10TABLE_LISTj+0x158)
      #13 0x5a42fcda62d6 (_ZN13st_join_table12preread_initEv+0xe6)
      #14 0x5a42fcd4ea70 (_Z10sub_selectP4JOINP13st_join_tableb+0x250)
      #15 0x5a42fcd85a29 (_ZN4JOIN10exec_innerEv+0x1489)
      #16 0x5a42fcd844b6 (_ZN4JOIN4execEv+0x66)
      #17 0x5a42fcd4fcd4 (_Z12mysql_selectP3THDP10TABLE_LISTR4ListI4ItemEPS4_jP8st_orderS9_S7_S9_yP13select_resultP18st_select_lex_unitP13st_select_lex+0x5e4)
      #18 0x5a42fcd4f635 (_Z13handle_selectP3THDP3LEXP13select_resulty+0x265)
      #19 0x5a42fcceffc8 (_ZL21execute_sqlcom_selectP3THDP10TABLE_LIST+0x698)
      #20 0x5a42fcce6095 (_Z21mysql_execute_commandP3THDb+0x3f65)
      #21 0x5a42fccdb485 (_Z11mysql_parseP3THDPcjP12Parser_state+0x345)
      #22 0x5a42fccd79d1 (_Z16dispatch_command19enum_server_commandP3THDPcjb+0x16b1)
      #23 0x5a42fccdbcd1 (_Z10do_commandP3THDb+0x4b1)
      #24 0x5a42fcf11b74 (_Z24do_handle_one_connectionP7CONNECTb+0x2a4)
      #25 0x5a42fcf117a3 (handle_one_connection+0xd3)
      #26 0x5a42fd5da0b4 (pfs_spawn_thread+0x104)
      #27 0x7eeb3544f609 (start_thread+0xd9)
      #28 0x7eeb35171353 (clone+0x43)
      

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              Unassigned Unassigned
              Yuxiao Guo Yuxiao Guo
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                Created:
                Updated:
                Resolved:

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