basic.func_json_equals and basic.func_json_exists fails with Community server 12.3.3 and 13.1

mysqltest: At line 31: query 'SELECT JSON_EQUALS(l, r) FROM t1' failed: ER_INTERNAL_ERROR (1815): Internal error: InetStreamSocket::readToMagic: Remote is closed

The result from queries just before the failure was:

< snip >

1

1

1

1

1

# Return 0

TRUNCATE t1;

INSERT INTO t1 VALUES('{"a":1,"b":3}','{"a":1,"b":2}');

INSERT INTO t1 VALUES('[1,2]','[2,1]');

INSERT INTO t1 VALUES(1,2);

SELECT JSON_EQUALS(l, r) FROM t1;

JSON_EQUALS(l, r)

0

0

0

# NULL

TRUNCATE t1;

INSERT INTO t1 VALUES('["a",true,{"e":false},null','["a",true,{"e":false},null');

INSERT INTO t1 VALUES('s1',"s1");

SELECT JSON_EQUALS(l, r) FROM t1;

More results from queries before failure can be found in /var/tmp/mtr/log/func_json_equals.log

Warnings from just before the error:

Error 1815 Internal error: InetStreamSocket::readToMagic: Remote is closed

Error 1815 Internal error: ClientRotator caught exception: InetStreamSocket::connect: connect() error: Connection refused to: InetStreamSocket: sd: 68 inet: 127.0.0.1 port: 8601