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  1. MariaDB Server
  2. MDEV-4269

crash when grouping by values()

        Details

        • Type: Bug
        • Status: Closed
        • Priority: Major
        • Resolution: Fixed
        • Affects Version/s: 10.0.1, 5.5.30, 5.1.67, 5.2.14, 5.3.12
        • Fix Version/s: 10.0.2, 5.5.31, 5.3.13, 5.2.15, 5.1.73
        • Component/s: None
        • Labels:
          None
        • Environment:
          winx64, linux x64

          Description

          Initial valgrind error from maria revno 3503:

          Invalid read of size 1
at: hp_rec_hashnr (hp_hash.c:320)
by: hp_write_key (hp_write.c:351)
by: heap_write (hp_write.c:52)
by: ha_heap::write_row (ha_heap.cc:249)
by: end_write (sql_class.h:4492)
by: evaluate_join_record (sql_select.cc:16478)
by: sub_select (sql_select.cc:16259)
by: do_select (sql_select.cc:15929)
by: JOIN::exec_inner (sql_select.cc:2496)
by: JOIN::exec (sql_select.cc:2255)
by: mysql_select (sql_select.cc:3192)
by: handle_select (sql_select.cc:363)
by: execute_sqlcom_select (sql_parse.cc:5004)
by: mysql_execute_command (sql_parse.cc:2472)
by: mysql_parse (sql_parse.cc:6124)
by: dispatch_command (sql_parse.cc:1266)
by: do_handle_one_connection (sql_connect.cc:1267)
by: handle_one_connection (sql_connect.cc:1181)
by: start_thread (pthread_create.c:309)
by: clone (clone.S:115)
Address 0x1010ebfa8 is not stack'd, malloc'd or (recently) free'd

          
--source include/have_innodb.inc
set storage_engine=innodb;

drop table if exists y;
create table y select 1 b;
select 1 from y group by values(b);

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                sanja Oleksandr Byelkin added a comment -

                The problem is that that temporary field for result_field was not created for Item_default_value.

                Show
                sanja Oleksandr Byelkin added a comment - The problem is that that temporary field for result_field was not created for Item_default_value.
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                sanja Oleksandr Byelkin added a comment -

                committed for review

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                sanja Oleksandr Byelkin added a comment - committed for review
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                sanja Oleksandr Byelkin added a comment -

                pushed to 5.1

                Show
                sanja Oleksandr Byelkin added a comment - pushed to 5.1

                  People

                  • Assignee:
                    sanja Oleksandr Byelkin
                    Reporter:
                    sbester1 sbester1
                  • Votes:
                    0 Vote for this issue
                    Watchers:
                    4 Start watching this issue

                    Dates

                    • Created:
                      Updated:
                      Resolved: