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  1. MariaDB Server
  2. MDEV-16727

Server crashes in Item_equal_iterator<List_iterator_fast, Item>::get_curr_field

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Fixed
    • 10.4
    • 10.4.0
    • Optimizer
    • None

    Description

      Reproducible with MyIsam, not with Innodb

      CREATE TABLE t1 (i2 int, i1 int, d1 date, d2 date, v1 varchar(1), v2 varchar(1)) engine=MyIsam;
      INSERT INTO `t1` VALUES (7,9,'2012-03-22','2012-03-22',NULL,NULL),(9,9,'1900-01-01','1900-01-01',NULL,NULL);
       
      CREATE TABLE t2 (i2 int, i1 int, d1 date, d2 date, v1 varchar(1), v2 varchar(1)) engine=MyIsam;
      INSERT INTO t2 VALUES (1,7,'1900-01-01','1900-01-01','x','x');
       
      CREATE TABLE t3 (i2 int, i1 int, d1 date, d2 date, v1 varchar(1), v2 varchar(1)) engine=MyIsam;
      INSERT INTO t3 VALUES (7,8,'2004-10-02','2004-10-02','g','g');
       
      CREATE TABLE t4 (d2 date, v1 varchar(1), v2 varchar(1)) engine=MyIsam;
       
      CREATE TABLE t5 (i2 int, i1 int, d1 date, d2 date, v1 varchar(1), v2 varchar(1)) engine=MyIsam;
      INSERT INTO `t5` VALUES (2,4,'1984-12-05','1984-12-05','v','v'),(150,62,'2021-03-27','2021-03-27','v','v');
       
      UPDATE t1 JOIN t2 ON (t1.v1 = t2.v2) LEFT JOIN t5 ON (t1.d1 = t5.d2)
      SET t1.i1 = 1 
      WHERE (t1.v1, t1.v2) IN (SELECT t4.v2,t4.v2 FROM t3 JOIN t4 ON (t3.v2 <> t4.v2) ORDER BY t4.d2);
      

       10.4 5180eda342c07d44bdc06b9b872f1
      Thread 1 (Thread 0x7fdbe65d6700 (LWP 9588)):
      #0  __pthread_kill (threadid=<optimized out>, signo=11) at ../sysdeps/unix/sysv/linux/pthread_kill.c:62
      #1  0x0000558a7254d761 in my_write_core (sig=11) at /home/alice/git/10.4/mysys/stacktrace.c:481
      #2  0x0000558a71d900d1 in handle_fatal_signal (sig=11) at /home/alice/git/10.4/sql/signal_handler.cc:305
      #3  <signal handler called>
      #4  0x0000558a71b33138 in Item_equal_iterator<List_iterator_fast, Item>::get_curr_field (this=0x7fdbe65d4640) at /home/alice/git/10.4/sql/item_cmpfunc.h:3249
      #5  0x0000558a71de5a99 in Item_equal::contains (this=0x7fdbd405a180, field=0x7fdbd404a0d8) at /home/alice/git/10.4/sql/item_cmpfunc.cc:6365
      #6  0x0000558a71dbb2c3 in Item_field::find_item_equal (this=0x7fdbd40170b0, cond_equal=0x7fdbd4059f70) at /home/alice/git/10.4/sql/item.cc:6386
      #7  0x0000558a71b086cc in eliminate_item_equal (thd=0x7fdbd4000b00, cond=0x0, upper_levels=0x7fdbd4059f70, item_equal=0x7fdbd405a360) at /home/alice/git/10.4/sql/sql_select.cc:14506
      #8  0x0000558a71b09304 in substitute_for_best_equal_field (thd=0x7fdbd4000b00, context_tab=0x1, cond=0x7fdbd405a360, cond_equal=0x7fdbd4059f70, table_join_idx=0x7fdbd4063518) at /home/alice/git/10.4/sql/sql_select.cc:14806
      #9  0x0000558a71ae649b in JOIN::optimize_stage2 (this=0x7fdbd40576e8) at /home/alice/git/10.4/sql/sql_select.cc:2090
      #10 0x0000558a71ae5bcb in JOIN::optimize_inner (this=0x7fdbd40576e8) at /home/alice/git/10.4/sql/sql_select.cc:1952
      #11 0x0000558a71ae3f33 in JOIN::optimize (this=0x7fdbd40576e8) at /home/alice/git/10.4/sql/sql_select.cc:1448
      #12 0x0000558a71aede43 in mysql_select (thd=0x7fdbd4000b00, tables=0x7fdbd40150a0, wild_num=0, fields=..., conds=0x7fdbd401a710, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=1342177408, result=0x7fdbd401ab18, unit=0x7fdbd40049a8, select_lex=0x7fdbd4005120) at /home/alice/git/10.4/sql/sql_select.cc:4261
      #13 0x0000558a71b9d07d in mysql_multi_update (thd=0x7fdbd4000b00, table_list=0x7fdbd40150a0, fields=0x7fdbd4005250, values=0x7fdbd4005760, conds=0x7fdbd401a710, options=0, handle_duplicates=DUP_ERROR, ignore=false, unit=0x7fdbd40049a8, select_lex=0x7fdbd4005120, result=0x7fdbe65d4fd0) at /home/alice/git/10.4/sql/sql_update.cc:1763
      #14 0x0000558a71aa2f7a in mysql_execute_command (thd=0x7fdbd4000b00) at /home/alice/git/10.4/sql/sql_parse.cc:4638
      #15 0x0000558a71aae04d in mysql_parse (thd=0x7fdbd4000b00, rawbuf=0x7fdbd4014e88 "UPDATE t1 JOIN t2 ON (t1.v1 = t2.v2) LEFT JOIN t5 ON (t1.d1 = t5.d2)\nSET t1.i1 = 1 \nWHERE (t1.v1, t1.v2) IN (SELECT t4.v2,t4.v2 FROM t3 JOIN t4 ON (t3.v2 <> t4.v2) ORDER BY t4.d2)", length=179, parser_state=0x7fdbe65d55f0, is_com_multi=false, is_next_command=false) at /home/alice/git/10.4/sql/sql_parse.cc:8063
      #16 0x0000558a71a9b1d0 in dispatch_command (command=COM_QUERY, thd=0x7fdbd4000b00, packet=0x7fdbd400b441 "UPDATE t1 JOIN t2 ON (t1.v1 = t2.v2) LEFT JOIN t5 ON (t1.d1 = t5.d2)\nSET t1.i1 = 1 \nWHERE (t1.v1, t1.v2) IN (SELECT t4.v2,t4.v2 FROM t3 JOIN t4 ON (t3.v2 <> t4.v2) ORDER BY t4.d2)", packet_length=179, is_com_multi=false, is_next_command=false) at /home/alice/git/10.4/sql/sql_parse.cc:1847
      #17 0x0000558a71a99bed in do_command (thd=0x7fdbd4000b00) at /home/alice/git/10.4/sql/sql_parse.cc:1392
      #18 0x0000558a71c00613 in do_handle_one_connection (connect=0x558a7533eb20) at /home/alice/git/10.4/sql/sql_connect.cc:1402
      #19 0x0000558a71c00364 in handle_one_connection (arg=0x558a7533eb20) at /home/alice/git/10.4/sql/sql_connect.cc:1308
      #20 0x0000558a724ddbaa in pfs_spawn_thread (arg=0x558a75346c10) at /home/alice/git/10.4/storage/perfschema/pfs.cc:1862
      #21 0x00007fdbed0756ba in start_thread (arg=0x7fdbe65d6700) at pthread_create.c:333
      #22 0x00007fdbec50a41d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
      

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              shagalla Galina Shalygina
              alice Alice Sherepa
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                Created:
                Updated:
                Resolved:

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