InnoDB: Failing assertion: table->quiesce == QUIESCE_START upon concurrent FLUSH on view

--source include/have_innodb.inc

CREATE TABLE t (a INT) ENGINE=InnoDB;

CREATE ALGORITHM=TEMPTABLE VIEW v AS SELECT * FROM t;

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

--send

FLUSH TABLE v WITH READ LOCK;

--connection default

FLUSH TABLE t FOR EXPORT;

# Cleanup

--connection con1

--reap

--disconnect con1

--connection default

UNLOCK TABLES;

DROP VIEW v;

DROP TABLE t;

2021-07-03 18:40:05 0x7f6c63dff700  InnoDB: Assertion failure in file /data/src/10.6/storage/innobase/row/row0quiesce.cc line 689

InnoDB: Failing assertion: table->quiesce == QUIESCE_START

#6  0x0000560a1e54b748 in ut_dbg_assertion_failed (expr=0x560a1ec36198 "table->quiesce == QUIESCE_START", file=0x560a1ec35c48 "/data/src/10.6/storage/innobase/row/row0quiesce.cc", line=689) at /data/src/10.6/storage/innobase/ut/ut0dbg.cc:60

#7  0x0000560a1e4ecf50 in row_quiesce_set_state (table=0x7f6c34101498, state=QUIESCE_COMPLETE, trx=0x7f6c690ce1e0) at /data/src/10.6/storage/innobase/row/row0quiesce.cc:689

#8  0x0000560a1e4ec88e in row_quiesce_table_start (table=0x7f6c34101498, trx=0x7f6c690ce1e0) at /data/src/10.6/storage/innobase/row/row0quiesce.cc:563

#9  0x0000560a1e2e6496 in ha_innobase::external_lock (this=0x7f6c342383a0, thd=0x7f6c34000db8, lock_type=0) at /data/src/10.6/storage/innobase/handler/ha_innodb.cc:15726

#10 0x0000560a1de6e35e in handler::ha_external_lock (this=0x7f6c342383a0, thd=0x7f6c34000db8, lock_type=0) at /data/src/10.6/sql/handler.cc:7026

#11 0x0000560a1dfb7a51 in lock_external (thd=0x7f6c34000db8, tables=0x7f6c34239568, count=1) at /data/src/10.6/sql/lock.cc:393

#12 0x0000560a1dfb76f8 in mysql_lock_tables (thd=0x7f6c34000db8, sql_lock=0x7f6c34239548, flags=4096) at /data/src/10.6/sql/lock.cc:338

#13 0x0000560a1dfb75ac in mysql_lock_tables (thd=0x7f6c34000db8, tables=0x7f6c34015d70, count=1, flags=4096) at /data/src/10.6/sql/lock.cc:301

#14 0x0000560a1da19fea in lock_tables (thd=0x7f6c34000db8, tables=0x7f6c34015688, count=1, flags=4096) at /data/src/10.6/sql/sql_base.cc:5549

#15 0x0000560a1da194da in open_and_lock_tables (thd=0x7f6c34000db8, options=..., tables=0x7f6c34015688, derived=false, flags=4096, prelocking_strategy=0x7f6c63dfdcf8) at /data/src/10.6/sql/sql_base.cc:5261

#16 0x0000560a1dcbed70 in open_and_lock_tables (thd=0x7f6c34000db8, tables=0x7f6c34015688, derived=false, flags=4096, prelocking_strategy=0x7f6c63dfdcf8) at /data/src/10.6/sql/sql_base.h:278

#17 0x0000560a1dcbff1c in flush_tables_with_read_lock (thd=0x7f6c34000db8, all_tables=0x7f6c34015688) at /data/src/10.6/sql/sql_reload.cc:585

#18 0x0000560a1dac8709 in mysql_execute_command (thd=0x7f6c34000db8, is_called_from_prepared_stmt=false) at /data/src/10.6/sql/sql_parse.cc:5407

#19 0x0000560a1dad0a85 in mysql_parse (thd=0x7f6c34000db8, rawbuf=0x7f6c340155c0 "FLUSH TABLE t FOR EXPORT", length=24, parser_state=0x7f6c63dfe480) at /data/src/10.6/sql/sql_parse.cc:8026

#20 0x0000560a1dabceed in dispatch_command (command=COM_QUERY, thd=0x7f6c34000db8, packet=0x7f6c3400b879 "FLUSH TABLE t FOR EXPORT", packet_length=24, blocking=true) at /data/src/10.6/sql/sql_parse.cc:1896

#21 0x0000560a1dabb889 in do_command (thd=0x7f6c34000db8, blocking=true) at /data/src/10.6/sql/sql_parse.cc:1404

#22 0x0000560a1dc78d9b in do_handle_one_connection (connect=0x560a21485048, put_in_cache=true) at /data/src/10.6/sql/sql_connect.cc:1410

#23 0x0000560a1dc78af7 in handle_one_connection (arg=0x560a21484ab8) at /data/src/10.6/sql/sql_connect.cc:1312

#24 0x0000560a1e1e8c1b in pfs_spawn_thread (arg=0x560a21484b98) at /data/src/10.6/storage/perfschema/pfs.cc:2201

#25 0x00007f6c6f0f4609 in start_thread (arg=<optimized out>) at pthread_create.c:477

#26 0x00007f6c6ecc7293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95