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  1. MariaDB Server
  2. MDEV-472

mysql-test-run --valgrind main.ps_2myisam gives warning about not initialized memory

        Details

        • Type: Bug
        • Status: Closed
        • Priority: Major
        • Resolution: Fixed
        • Affects Version/s: 5.5.27, 5.3.7
        • Fix Version/s: 5.5.27, 5.3.8
        • Component/s: None
        • Labels:
        • Environment:
          OpenSuse, valgrind

          Description

          mysql-test-run --valgrind main.ps_2myisam

          returns in 5.5 (5.3 has an identical stack trace):

          ==21170== Thread 4:
==21170== Conditional jump or move depends on uninitialised value(s)
==21170==    at 0x8CBB12: pack_time (my_time.c:1456)
==21170==    by 0x802EED: get_datetime_value(THD*, Item***, Item**, Item*, bool*) (item_cmpfunc.cc:905)
==21170==    by 0x8030D5: Arg_comparator::compare_datetime() (item_cmpfunc.cc:956)
==21170==    by 0x8135B6: Arg_comparator::compare() (in /my/maria-5.5/sql/mysqld)
==21170==    by 0x805C87: Item_func_eq::val_int() (item_cmpfunc.cc:1858)
==21170==    by 0x7E0858: Item::val_bool() (item.cc:215)
==21170==    by 0x80F1BC: Item_cond_and::val_int() (item_cmpfunc.cc:4608)
==21170==    by 0x67EB74: evaluate_join_record(JOIN*, st_join_table*, int) (sql_select.cc:16200)
==21170==    by 0x67E7BC: sub_select(JOIN*, st_join_table*, bool) (sql_select.cc:16105)
==21170==    by 0x67E073: do_select(JOIN*, List<Item>*, TABLE*, Procedure*) (sql_select.cc:15775)

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                monty Michael Widenius added a comment -

                mysql-test-run --valgrind main.in_datetime_241

                Gives a similar warning in latest 5.5 (but not in 5.3)

                Show
                monty Michael Widenius added a comment - mysql-test-run --valgrind main.in_datetime_241 Gives a similar warning in latest 5.5 (but not in 5.3)
                Hide
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                serg Sergei Golubchik added a comment -

                fixed, pushed in 5.3-serg

                Show
                serg Sergei Golubchik added a comment - fixed, pushed in 5.3-serg

                  People

                  • Assignee:
                    serg Sergei Golubchik
                    Reporter:
                    monty Michael Widenius
                  • Votes:
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                      Updated:
                      Resolved:

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