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MDEV-25019 memory allocation failures during startup because

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server failure in different, confusing ways

InnoDB fails to free the buffer pool instance mutex and zip mutex
If the allocation of buffer pool instance chunk fails. So it leads
to freeing of buffer pool before freeing the mutexes and
leads to double freeing of memory while freeing the mutex
during shutdown.
This commit is contained in:
Thirunarayanan Balathandayuthapani
2021-03-30 18:42:28 +05:30
parent 82a2ea64b4
commit 72da83ff99
3 changed files with 22 additions and 0 deletions
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11
mysql-test/suite/innodb/t/innodb_buffer_pool_fail.test Normal file
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--source include/have_innodb.inc
--source include/have_debug.inc
call mtr.add_suppression("InnoDB: Cannot allocate memory for the buffer pool");
call mtr.add_suppression("InnoDB: Plugin initialization aborted at srv0start.cc.*");
call mtr.add_suppression("Plugin 'InnoDB' init function returned error.");
call mtr.add_suppression("Plugin 'InnoDB' registration as a STORAGE ENGINE failed.");
--echo #
--echo # MDEV-25019 memory allocation failures during startup cause server failure in different, confusing ways
--echo #
let restart_parameters=--debug_dbug="+d,ib_buf_chunk_init_fails";
--source include/restart_mysqld.inc