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  1. MariaDB Server
  2. MDEV-5434

ConnectSE: ODBC: "mtr --embedded connect.odbc_postgresql" crashes in longjump

        Details

        • Type: Bug
        • Status: Closed
        • Priority: Major
        • Resolution: Fixed
        • Affects Version/s: None
        • Fix Version/s: 10.0.7
        • Component/s: None
        • Labels:
          None

          Description

          Note, to avoid this failure in BuildBot, odbc_postgresql is currently
          skipped when run with --embedded.

          Remove this line from storage/connect/mysql-test/t/odbc_postgresql.test:
          --source include/not_embedded.inc

          and run "./mtr --embedded connect.odbc_postgresql".
          It will crash.

          Running "./mtr --valgrind --embedded connect.odbc_postgresql"
          gives some idea of might be wrong:

          CURRENT_TEST: connect.odbc_postgresql
profile file /media/DATA/maria-bzr/maria-10.0-connect/mysql-test/connect.ini not found
==16425== Thread 3:
==16425== Conditional jump or move depends on uninitialised value(s)
==16425==    at 0x37C7035AB5: longjmp (in /usr/lib64/libc-2.16.so)
==16425==    by 0x37C780DC98: longjmp (in /usr/lib64/libpthread-2.16.so)
==16425==    by 0xCC7C55: PlugSubAlloc (plugutil.c:498)
==16425==    by 0xCD4496: CHRBLK::Init(_global*, bool) (valblk.cpp:550)
==16425==    by 0xCD3876: AllocValBlock(_global*, void*, int, int, int, int, bool, bool, bool) (valblk.cpp:105)
==16425==    by 0xC93D8D: PlgAllocResult(_global*, int, int, int, int*, XFLD*, unsigned int*, bool, bool) (plgdbutl.cpp:333)
==16425==    by 0xCAC0F9: ODBCTables(_global*, char*, char*, bool) (odbconn.cpp:581)
==16425==    by 0xCE69E2: TDBOTB::GetResult(_global*) (tabodbc.cpp:1424)
==16425==    by 0xCB1C1B: TDBCAT::Initialize(_global*) (table.cpp:478)
==16425==    by 0xCB1C85: TDBCAT::GetMaxSize(_global*) (table.cpp:491)
==16425==    by 0xC9DCC2: CntInfo(_global*, TDB*, _xinfo*) (connect.cc:170)
==16425==    by 0xC8D81B: ha_connect::info(unsigned int) (ha_connect.cc:2637)
==16425==    by 0x71392A: TABLE_LIST::fetch_number_of_rows() (table.cc:6876)
==16425==    by 0x9069BB: make_join_statistics(JOIN*, List<TABLE_LIST>&, Item*, st_dynamic_array*) (sql_select.cc:3421)
==16425==    by 0x8FF7AD: JOIN::optimize_inner() (sql_select.cc:1326)
==16425==    by 0x8FE6ED: JOIN::optimize() (sql_select.cc:1012)
==16425== 
==16425== Use of uninitialised value of size 8
==16425==    at 0x37C7035B23: __longjmp (in /usr/lib64/libc-2.16.so)
==16425==

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                bertrandop Olivier Bertrand added a comment -

                The unhanded long jumps were caused by memory exhaustion.
                Two things have been done:
                1 - Handling the long jumps during that process
                2 - Reducing the needed memory

                Show
                bertrandop Olivier Bertrand added a comment - The unhanded long jumps were caused by memory exhaustion. Two things have been done: 1 - Handling the long jumps during that process 2 - Reducing the needed memory

                  People

                  • Assignee:
                    bertrandop Olivier Bertrand
                    Reporter:
                    bar Alexander Barkov
                  • Votes:
                    0 Vote for this issue
                    Watchers:
                    2 Start watching this issue

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                    • Created:
                      Updated:
                      Resolved:

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