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  1. MariaDB Server
  2. MDEV-4635

Crash in UNIX_TIMESTAMP(STR_TO_DATE('2020','%Y'))

        Details

        • Type: Bug
        • Status: Closed
        • Priority: Critical
        • Resolution: Fixed
        • Affects Version/s: 10.0.3, 5.5.31, 5.1.67, 5.2.14, 5.3.12
        • Fix Version/s: 10.0.4, 5.5.32, 5.3.13
        • Component/s: None
        • Labels:

          Description

          This SQL script crashes the server (debug build):

          SET TIME_ZONE='+02:00'
SELECT UNIX_TIMESTAMP(STR_TO_DATE('2020','%Y'));

          Stack trace:

          #4 0x00000000006df193 in sec_since_epoch (year=2020, mon=0, mday=0, hour=0, min=0, sec=0)
          at /home/bar/maria-bzr/maria-10.0-connect/sql/tztime.cc:799
          #5 0x00000000006df9f9 in Time_zone_offset::TIME_to_gmt_sec (this=0x2887d40,
          t=0x7fffcc2e92f0, error_code=0x7fffcc2e9324)
          at /home/bar/maria-bzr/maria-10.0-connect/sql/tztime.cc:1385
          #6 0x00000000006dc801 in TIME_to_timestamp (thd=0x2b1b920, t=0x7fffcc2e92f0,
          error_code=0x7fffcc2e9324)
          at /home/bar/maria-bzr/maria-10.0-connect/sql/sql_time.cc:420
          #7 0x000000000086d016 in Item_func_unix_timestamp::get_timestamp_value (
          this=0x7fff900067d8, seconds=0x7fffcc2e9350, second_part=0x7fffcc2e9358)
          at /home/bar/maria-bzr/maria-10.0-connect/sql/item_timefunc.cc:1197

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                elenst Elena Stepanova added a comment -

                Also reproducible on MySQL 5.1, 5.5, but not on 5.6, 5.7.

                Show
                elenst Elena Stepanova added a comment - Also reproducible on MySQL 5.1, 5.5, but not on 5.6, 5.7.
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                bar Alexander Barkov added a comment -

                MySQL-5.6 correctly returns 0:

                mysql> SET TIME_ZONE='+02:00'; SELECT VERSION(), UNIX_TIMESTAMP(STR_TO_DATE('2020','%Y'));
                Query OK, 0 rows affected (0.00 sec)

                ---------------------------------------------------+

                VERSION() UNIX_TIMESTAMP(STR_TO_DATE('2020','%Y'))

                ---------------------------------------------------+

                5.6.11 0

                ---------------------------------------------------+

                Show
                bar Alexander Barkov added a comment - MySQL-5.6 correctly returns 0: mysql> SET TIME_ZONE='+02:00'; SELECT VERSION(), UNIX_TIMESTAMP(STR_TO_DATE('2020','%Y')); Query OK, 0 rows affected (0.00 sec) ---------- -----------------------------------------+ VERSION() UNIX_TIMESTAMP(STR_TO_DATE('2020','%Y')) ---------- -----------------------------------------+ 5.6.11 0 ---------- -----------------------------------------+
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                bar Alexander Barkov added a comment -

                Fixed. Pushed into 5.3.13 and 5.5.32.

                Show
                bar Alexander Barkov added a comment - Fixed. Pushed into 5.3.13 and 5.5.32.

                  People

                  • Assignee:
                    bar Alexander Barkov
                    Reporter:
                    bar Alexander Barkov
                  • Votes:
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                    Dates

                    • Created:
                      Updated:
                      Resolved: