Innodb crash after insert while concurrent ADD INDEX is run

--source include/have_innodb.inc

CREATE TABLE t (pid int PRIMARY KEY,

                uid int,

                vid int AS (uid) VIRTUAL);

connect(con1,localhost,root,,);

--echo # Create index on virtual column and stop before applying row logs.

SET DEBUG_SYNC = 'row_log_apply_before SIGNAL start_dml WAIT_FOR resume_ddl';

--send ALTER TABLE t ADD INDEX idx_vid(vid), algorithm=inplace

connection default;

SET DEBUG_SYNC= 'now WAIT_FOR start_dml';

--echo # Insert a record to generate an insert row log for the new index.

--echo # LOG-1 idx_vid : INSERT [NULL, 1]   <--------- ### BUG ###

INSERT INTO t(pid, uid) VALUES (1,10);

SELECT * FROM t;

SET DEBUG_SYNC= 'now SIGNAL resume_ddl';

connection con1;

--reap

connection default;

delete from t limit 1;

SELECT * FROM t;

disconnect con1;

DROP TABLE t;