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  1. MariaDB Server
  2. MDEV-37210

Segmentattion fault inside parent_prec

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    Description

      The following script:

      CREATE TABLE t1(a INT);
      CREATE TABLE t2(b INT);
      PREPARE stmt FROM "
      SELECT * FROM t2
      HAVING 1 IN (
        SELECT 2 FROM t1
        WHERE 3 IN ( 
          SELECT b FROM t1
        )
      )
      ";
      EXECUTE stmt;
      EXECUTE stmt;
      

      leads to:

      Program terminated with signal SIGSEGV, Segmentation fault.
      #0  __pthread_kill_implementation (threadid=<optimized out>, signo=11, no_tid=0) at ./nptl/pthread_kill.c:44
      #1  __pthread_kill_internal (threadid=<optimized out>, signo=11) at ./nptl/pthread_kill.c:89
      #2  __GI___pthread_kill (threadid=<optimized out>, signo=11) at ./nptl/pthread_kill.c:100
      #3  0x000061b4ba92ef71 in my_write_core (sig=11) at /src/mariadb2/mysys/stacktrace.c:424
      #4  0x000061b4b9f3dd4e in handle_fatal_signal (sig=11) at /src/mariadb2/sql/signal_handler.cc:298
      #5  <signal handler called>
      #6  0x000061b4b9f667fe in Item::print_parenthesised (this=0x75f254019970, str=0x75f270204340, query_type=QT_EXPLAIN, parent_prec=BETWEEN_PRECEDENCE) at /src/mariadb2/sql/item.cc:512
      #7  0x000061b4b9fe5f8d in Item_func::print_op (this=0x75f25425b080, str=0x75f270204340, query_type=QT_EXPLAIN) at /src/mariadb2/sql/item_func.cc:664
      #8  0x000061b4b994fe09 in Item_bool_rowready_func2::print (this=0x75f25425b080, str=0x75f270204340, query_type=QT_EXPLAIN) at /src/mariadb2/sql/item_cmpfunc.h:599
      #9  0x000061b4b9f66892 in Item::print_parenthesised (this=0x75f25425b080, str=0x75f270204340, query_type=QT_EXPLAIN, parent_prec=AND_PRECEDENCE) at /src/mariadb2/sql/item.cc:518
      #10 0x000061b4b9fadeb8 in Item_cond::print (this=0x75f254018328, str=0x75f270204340, query_type=QT_EXPLAIN) at /src/mariadb2/sql/item_cmpfunc.cc:5621
      #11 0x000061b4b9f8c260 in dbug_print_item (item=0x75f254018328) at /src/mariadb2/sql/item.cc:11409
      #12 0x000061b4b9b3c3c7 in JOIN::prepare (this=0x75f254018d70, tables_init=0x75f254256de0, conds_init=0x75f254018328, og_num=0, order_init=0x0, skip_order_by=false, group_init=0x0, having_init=0x0, proc_param_init=0x0, select_lex_arg=0x75f254256838, unit_arg=0x75f254258e40) at /src/mariadb2/sql/sql_select.cc:1443
      #13 0x000061b4ba08f4c3 in subselect_single_select_engine::prepare (this=0x75f2542598d8, thd=0x75f254000dc8) at /src/mariadb2/sql/item_subselect.cc:3981
      #14 0x000061b4ba07ee9d in Item_subselect::fix_fields (this=0x75f2542596a0, thd_param=0x75f254000dc8, ref=0x75f25425a690) at /src/mariadb2/sql/item_subselect.cc:294
      #15 0x000061b4ba08dff6 in Item_in_subselect::fix_fields (this=0x75f2542596a0, thd_arg=0x75f254000dc8, ref=0x75f25425a690) at /src/mariadb2/sql/item_subselect.cc:3620
      #16 0x000061b4b9979af6 in Item::fix_fields_if_needed (this=0x75f2542596a0, thd=0x75f254000dc8, ref=0x75f25425a690) at /src/mariadb2/sql/item.h:1113
      #17 0x000061b4b9f9ed23 in Item_in_optimizer::fix_fields (this=0x75f25425a608, thd=0x75f254000dc8, ref=0x75f2540187a8) at /src/mariadb2/sql/item_cmpfunc.cc:1507
      #18 0x000061b4b9979af6 in Item::fix_fields_if_needed (this=0x75f25425a608, thd=0x75f254000dc8, ref=0x75f2540187a8) at /src/mariadb2/sql/item.h:1113
      #19 0x000061b4b9979b2f in Item::fix_fields_if_needed_for_scalar (this=0x75f25425a608, thd=0x75f254000dc8, ref=0x75f2540187a8) at /src/mariadb2/sql/item.h:1122
      #20 0x000061b4b9a0e9bf in Item::fix_fields_if_needed_for_bool (this=0x75f25425a608, thd=0x75f254000dc8, ref=0x75f2540187a8) at /src/mariadb2/sql/item.h:1126
      #21 0x000061b4b9b3d1a9 in JOIN::prepare (this=0x75f254018598, tables_init=0x75f254256060, conds_init=0x0, og_num=0, order_init=0x0, skip_order_by=false, group_init=0x0, having_init=0x75f25425a608, proc_param_init=0x0, select_lex_arg=0x75f254255a18, unit_arg=0x75f254253c28) at /src/mariadb2/sql/sql_select.cc:1646
      #22 0x000061b4b9b4b47b in mysql_select (thd=0x75f254000dc8, tables=0x75f254256060, fields=..., conds=0x0, og_num=0, order=0x0, group=0x0, having=0x75f25425a608, proc_param=0x0, select_options=2201187781376, result=0x75f25425a198, unit=0x75f254253c28, select_lex=0x75f254255a18) at /src/mariadb2/sql/sql_select.cc:5365
      #23 0x000061b4b9b383fc in handle_select (thd=0x75f254000dc8, lex=0x75f254253b48, result=0x75f25425a198, setup_tables_done_option=0) at /src/mariadb2/sql/sql_select.cc:634
      #24 0x000061b4b9ad7f39 in execute_sqlcom_select (thd=0x75f254000dc8, all_tables=0x75f254256060) at /src/mariadb2/sql/sql_parse.cc:6166
      #25 0x000061b4b9acf6f2 in mysql_execute_command (thd=0x75f254000dc8, is_called_from_prepared_stmt=true) at /src/mariadb2/sql/sql_parse.cc:3954
      #26 0x000061b4b9b1bd38 in Prepared_statement::execute (this=0x75f254040268, expanded_query=0x75f2702059a0, open_cursor=false) at /src/mariadb2/sql/sql_prepare.cc:5097
      #27 0x000061b4b9b19bac in Prepared_statement::execute_loop (this=0x75f254040268, expanded_query=0x75f2702059a0, open_cursor=false, packet=0x0, packet_end=0x0) at /src/mariadb2/sql/sql_prepare.cc:4461
      #28 0x000061b4b9b16f5f in mysql_sql_stmt_execute (thd=0x75f254000dc8) at /src/mariadb2/sql/sql_prepare.cc:3473
      #29 0x000061b4b9acf737 in mysql_execute_command (thd=0x75f254000dc8, is_called_from_prepared_stmt=false) at /src/mariadb2/sql/sql_parse.cc:3970
      #30 0x000061b4b9add15c in mysql_parse (thd=0x75f254000dc8, rawbuf=0x75f2540181f0 "EXECUTE stmt", length=12, parser_state=0x75f2702062c0) at /src/mariadb2/sql/sql_parse.cc:7891
      #31 0x000061b4b9ac8967 in dispatch_command (command=COM_QUERY, thd=0x75f254000dc8, packet=0x75f25400c149 "EXECUTE stmt", packet_length=12, blocking=true) at /src/mariadb2/sql/sql_parse.cc:1877
      #32 0x000061b4b9ac724c in do_command (thd=0x75f254000dc8, blocking=true) at /src/mariadb2/sql/sql_parse.cc:1416
      #33 0x000061b4b9ce2a6a in do_handle_one_connection (connect=0x61b4fc685f58, put_in_cache=true) at /src/mariadb2/sql/sql_connect.cc:1414
      #34 0x000061b4b9ce27df in handle_one_connection (arg=0x61b4fc660f18) at /src/mariadb2/sql/sql_connect.cc:1326
      #35 0x000061b4ba2c344e in pfs_spawn_thread (arg=0x61b4fc5ebe08) at /src/mariadb2/storage/perfschema/pfs.cc:2198
      #36 0x000075f27aca2ef1 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:448
      #37 0x000075f27ad3445c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78
      

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              Unassigned Unassigned
              qobood Vasilii Lakhin
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                Created:
                Updated:
                Resolved:

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