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  1. MariaDB Server
  2. MDEV-25636

Bug report: abortion in sql/sql_parse.cc:6294

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    Description

      I used my fuzzing tool to test Mariadb , and found a bug that can result in an abortion. This bug looks similar to MDEV-25634, but is call stack is different from MDEV-25634. Please check whether it is the repeated one.

      Mariadb installation：
      1) cd mariadb-10.5.9
      2) mkdir build; cd build
      3) cmake -DWITH_ASAN=ON -DWITH_ASAN_SCOPE=ON -DWITH_DEBUG=ON ../
      4) make -j8 && sudo make install

      How to Repeat:
      export ASAN_OPTIONS=detect_leaks=0
      /usr/local/mysql/bin/mysqld_safe &
      /usr/local/mysql/bin/mysql -uroot -p123456(your password)
      MariaDB> drop database if exists test_db;
      MariaDB> create database test_db;
      MariaDB> source fuzz.sql;

      I have simplified the content of fuzz.sql, and I hope fuzz.sql can help you reproduce the bug and fix it. In addition, I attach the abortion report (which has its stack trace).

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          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. MDEV-25634 Bug report: abortion in sql/sql_prepare.cc:0

          • Major - Major loss of function.
          • Closed
          relates to

          Bug - A problem which impairs or prevents the functions of the product. MDEV-13796 CTE mysqld got signal 11

          • Major - Major loss of function.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. MDEV-27794 The optimizer thinks subquery is correlated while it is not

          • Major - Major loss of function.
          • Open

          Bug - A problem which impairs or prevents the functions of the product. MDEV-25643 Assertion `table->no_keyread || !table->covering_keys.is_set(tab->index) || table->file->keyread == tab->index' failed in join_read_first

          • Major - Major loss of function.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. MDEV-25761 Assertion `aggr != __null' failed in sub_select_postjoin_aggr

          • Blocker - Blocks development and/or testing work, production could not run.
          • Closed
          links to

          Web Link CVE-2021-46665

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              psergei Sergei Petrunia
              Zuming Jiang Zuming Jiang
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              Dates

                Created:
                Updated:
                Resolved:

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