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  1. MariaDB Server
  2. MDEV-18681

Server crashes in embedding_sjm

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Fixed
    • 10.4
    • 10.4.4
    • Optimizer
    • None

    Description

      Reproducible on 10.4 with Innodb

      --source include/have_innodb.inc
       
      CREATE TABLE t1 (i2 int, v1 varchar(1))engine=innodb;
      CREATE TABLE t2 (i2 int)engine=innodb;
       
      SELECT dtb.v1 
      FROM (SELECT t1.* FROM (t1 JOIN t2 ON (t2.i2 = t1.i2))) dtb
      HAVING dtb.v1 != 112 AND dtb.v1 = 'x' AND dtb.v1 != 'a';
      

      10.4 4932aba921755cfbc35

      ==23519==ERROR: AddressSanitizer: SEGV on unknown address 0x000834b434be (pc 0x560908eb98b3 bp 0x7f3488b13d40 sp 0x7f3488b13d20 T27)
          #0 0x560908eb98b2 in embedding_sjm /10.4/sql/sql_select.cc:15070
          #1 0x560908eba1da in eliminate_item_equal(THD*, Item*, COND_EQUAL*, Item_equal*) /10.4/sql/sql_select.cc:15186
          #2 0x560908ebb1f6 in substitute_for_best_equal_field /10.4/sql/sql_select.cc:15429
          #3 0x560908e5ec23 in JOIN::optimize_stage2() /10.4/sql/sql_select.cc:2280
          #4 0x560908e5d5b7 in JOIN::optimize_inner() /10.4/sql/sql_select.cc:2147
          #5 0x560908e57562 in JOIN::optimize() /10.4/sql/sql_select.cc:1508
          #6 0x560908e74570 in mysql_select(THD*, TABLE_LIST*, unsigned int, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_select_lex*) /10.4/sql/sql_select.cc:4518
          #7 0x560908e4c647 in handle_select(THD*, LEX*, select_result*, unsigned long) /10.4/sql/sql_select.cc:423
          #8 0x560908dd1221 in execute_sqlcom_select /10.4/sql/sql_parse.cc:6588
          #9 0x560908dbdfd3 in mysql_execute_command(THD*) /10.4/sql/sql_parse.cc:3825
          #10 0x560908dd96fe in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) /10.4/sql/sql_parse.cc:8141
          #11 0x560908db2290 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) /10.4/sql/sql_parse.cc:1820
          #12 0x560908daf2b2 in do_command(THD*) /10.4/sql/sql_parse.cc:1358
          #13 0x5609091196f7 in do_handle_one_connection(CONNECT*) /10.4/sql/sql_connect.cc:1399
          #14 0x5609091190c1 in handle_one_connection /10.4/sql/sql_connect.cc:1302
          #15 0x56090a4ce92c in pfs_spawn_thread /10.4/storage/perfschema/pfs.cc:1862
          #16 0x7f34a02906b9 in start_thread (/lib/x86_64-linux-gnu/libpthread.so.0+0x76b9)
          #17 0x7f349f52141c in clone (/lib/x86_64-linux-gnu/libc.so.6+0x10741c)
      

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            igor Igor Babaev
            alice Alice Sherepa
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            Dates

              Created:
              Updated:
              Resolved:

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