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  1. WiredTiger
  2. WT-8094

Fix use after free in csv extractor

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major - P3
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: WT10.0.1, 5.1.0, 5.0.4, 4.4.10
    • Component/s: None
    • Labels:
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      Description

      Valgrind turns up a use after free:

      ==85928== Conditional jump or move depends on uninitialised value(s)
      ==85928==    at 0x7FFF2022D303: ??? (in /dev/ttys012)
      ==85928==    by 0x7FFF2022D0C8: ??? (in /dev/ttys012)
      ==85928==    by 0x10565DD60: __wt_free_int (os_alloc.c:303)
      ==85928==    by 0x1055E32DD: __config_parser_close (config_api.c:22)
      ==85928==    by 0x1074C7C93: csv_customize (csv_extractor.c:168)
      ==85928==    by 0x1055E632D: __wt_extractor_config (conn_api.c:628)
      ==85928==    by 0x105681E05: __open_index (schema_open.c:145)
      ==85928==    by 0x105681348: __schema_open_index (schema_open.c:318)
      ==85928==    by 0x105680E00: __wt_schema_open_index (schema_open.c:375)
      ==85928==    by 0x10567E616: __create_index (schema_create.c:669)
      ==85928==    by 0x10567D1EB: __schema_create (schema_create.c:957)
      ==85928==    by 0x10567CEB5: __wt_schema_create (schema_create.c:990)

      The config parser is closed before the items found by it are used.

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            Assignee:
            donald.anderson Donald Anderson
            Reporter:
            donald.anderson Donald Anderson
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              Dates

              Created:
              Updated:
              Resolved: