Bug #18005 Creating a trigger on mysql.event leads to server crash on scheduler startup

Description:
delimiter |
create trigger insert_before2 before insert on mysql.event for each row begin call unix_timestam(); end |
delimiter ;
set global event_scheduler=1;

How to repeat:
delimiter |
create trigger insert_before2 before insert on mysql.event for each row begin call unix_timestam(); end |
delimiter ;
set global event_scheduler=1;

Thank you for the bug report.

060306 22:01:04 [Note] libexec/mysqld: ready for connections.
Version: '5.1.8-beta-debug'  socket: '/tmp/mysql.sock'  port: 3306  Source distribution
mysqld got signal 11;

A patch for this bug has been committed. After review, it may
be pushed to the relevant source trees for release in the next
version. You can access the patch from:

  http://lists.mysql.com/commits/8272

Note that this bug is fixed by the same patch as bug#18361.

Pushed to mysql-5.0-runtime.

Pushed into 5.1.12

Noted in 5.1.12 changelog.

Triggers on tables in the mysql database caused a server crash.
Triggers for tables in this database now are disallowed.