KILL QUERY executed on an idle connection can interrupt the next query

--connect (con1,localhost,root,,)

--let $con_id = `SELECT CONNECTION_ID()`

--connection default

eval KILL QUERY $con_id;

--connection con1

--error ER_QUERY_INTERRUPTED

SELECT * FROM mysql.user;

--disconnect con1

SELECT * FROM mysql.user;

ERROR 70100: Query execution was interrupted