simple json functions flatline cpu on garbage input

MariaDB [(none)]> select * from information_schema.processlist where user<>'system user' and id<>connection_id()\G

*************************** 1. row ***************************

             ID: 8

           USER: root

           HOST:

             DB: test

        COMMAND: Query

           TIME: 121

          STATE: NULL

           INFO: do json_array(1,uuid(),compress(5.140264e+307))

        TIME_MS: 121143.104

          STAGE: 0

      MAX_STAGE: 0

       PROGRESS: 0.000

    MEMORY_USED: 76104

MAX_MEMORY_USED: 76104

  EXAMINED_ROWS: 0

       QUERY_ID: 1

    INFO_BINARY: do json_array(1,uuid(),compress(5.140264e+307))

            TID: 0

1 row in set (0.002 sec)

do json_array(1,uuid(),compress(5.140264e+307));