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MDEV-33031 Assertion failure upon reading from performance schema with binlog enabled

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need to protect access to thread-local cache_mngr with LOCK_thd_data

technically only access from different threads has to be protected,
but this is the SHOW STATUS code path, so the difference is neglectable
This commit is contained in:
Sergei Golubchik
2023-12-27 17:04:43 +01:00
parent 022ae42155
commit c44cac91ab
3 changed files with 24 additions and 11 deletions
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6
mysql-test/suite/perfschema/t/rpl_threads.test
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@ -81,5 +81,11 @@ select NAME, TYPE, PROCESSLIST_COMMAND, PROCESSLIST_STATE
from performance_schema.threads
where PROCESSLIST_ID = @slave_sql_pid;
--echo #
--echo # MDEV-33031 Assertion failure upon reading from performance schema with binlog enabled
--echo #
select variable_name, variable_value from performance_schema.status_by_thread
where variable_name like '%impossible%'; # should not crash
--source include/rpl_end.inc