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  1. MariaDB Connector/C
  2. CONC-671

mthd_my_read_query_result segment fault at parsing session_track_info

Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Fixed
    • None
    • 3.0.0
    • None
    • None
    • mariadb-connector-c: 3.0.2
      crash at: mthd_my_read_query_result (mysql=0x10a8d70) at ***/connector-c-prefix/src/connector-c/libmariadb/mariadb_lib.c:2048

    Description

      SESSION_TRACK_STATE_CHANGE should be treated differently from other trackers
      https://mariadb.com/kb/en/library/mysql_session_track_get_first/
      SESSION_TRACK_STATE_CHANGE:
      length encode int: "1" (changed) or "0" (unchanged).
      int<1> : boolean info;
      SESSION_TRACK_SYSTEM_VARIABLES:
      length encode int: length;
      length encode string: key;
      length encode string: value;

      attach with my candidate fix

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            georg Georg Richter
            dapeng dapeng huang
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            Dates

              Created:
              Updated:
              Resolved:

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