Assertion `!newest_lsn || fil_page_get_type(page)' failed upon MariaBackup prepare in buf_flush_init_for_writing with innodb_log_optimize_ddl=off

2021-02-05 18:03:56 0 [Warning] InnoDB: Tablespace 501 was not found at ./test/#sql-2574_f.ibd when restoring a (partial?) backup. All redo log for this file will be ignored!

2021-02-05 18:03:56 0 [Note] InnoDB: Starting final batch to recover 703 pages from redo log.

mariabackup: /home/mdbe/MDEV-24792/10.4/storage/innobase/buf/buf0flu.cc:786: void buf_flush_init_for_writing(const buf_block_t*, byte*, void*, lsn_t, bool): Assertion `!newest_lsn || fil_page_get_type(page)' failed.

210205 18:03:56 [ERROR] mysqld got signal 6 ;

#3  0x00007fd5c49774a2 in __GI___assert_fail (assertion=0x55cc88c1dd70 "!newest_lsn || fil_page_get_type(page)", file=0x55cc88c1d8f8 "/home/mdbe/MDEV-24792/10.4/storage/innobase/buf/buf0flu.cc", line=786, 

    function=0x55cc88c1f4e0 <buf_flush_init_for_writing(buf_block_t const*, unsigned char*, void*, unsigned long, bool)::__PRETTY_FUNCTION__> "void buf_flush_init_for_writing(const buf_block_t*, byte*, void*, lsn_t, bool)")

    at assert.c:101

#4  0x000055cc882ee4a9 in buf_flush_init_for_writing (block=0x7fd5b4157e78, page=0x7fd5b5060000 "", page_zip_=0x0, newest_lsn=8401706, use_full_checksum=false) at /home/mdbe/MDEV-24792/10.4/storage/innobase/buf/buf0flu.cc:786

#5  0x000055cc882ef303 in buf_flush_write_block_low (bpage=0x7fd5b4157e78, flush_type=BUF_FLUSH_LIST, sync=false) at /home/mdbe/MDEV-24792/10.4/storage/innobase/buf/buf0flu.cc:1019

#6  0x000055cc882efea5 in buf_flush_page (buf_pool=0x55cc8b1ed620, bpage=0x7fd5b4157e78, flush_type=BUF_FLUSH_LIST, sync=false) at /home/mdbe/MDEV-24792/10.4/storage/innobase/buf/buf0flu.cc:1197

#7  0x000055cc882f092b in buf_flush_try_neighbors (page_id=..., flush_type=BUF_FLUSH_LIST, n_flushed=579, n_to_flush=18446744073709551614) at /home/mdbe/MDEV-24792/10.4/storage/innobase/buf/buf0flu.cc:1421

#8  0x000055cc882f0cb1 in buf_flush_pagwriting e_and_try_neighbors (bpage=0x7fd5b4157e78, flush_type=BUF_FLUSH_LIST, n_to_flush=18446744073709551614, count=0x7fff2dcc4d08) at /home/mdbe/MDEV-24792/10.4/storage/innobase/buf/buf0flu.cc:1495

#9  0x000055cc882f1a8f in buf_do_flush_list_batch (buf_pool=0x55cc8b1ed620, min_n=18446744073709551614, lsn_limit=18446744073709551615) at /home/mdbe/MDEV-24792/10.4/storage/innobase/buf/buf0flu.cc:1754

#10 0x000055cc882f2112 in buf_flush_batch (buf_pool=0x55cc8b1ed620, flush_type=BUF_FLUSH_LIST, min_n=18446744073709551614, lsn_limit=18446744073709551615, n=0x7fff2dcc4fc0)

    at /home/mdbe/MDEV-24792/10.4/storage/innobase/buf/buf0flu.cc:1824

#11 0x000055cc882f28f7 in buf_flush_do_batch (buf_pool=0x55cc8b1ed620, type=BUF_FLUSH_LIST, min_n=18446744073709551614, lsn_limit=18446744073709551615, n=0x7fff2dcc4fc0) at /home/mdbe/MDEV-24792/10.4/storage/innobase/buf/buf0flu.cc:1982

#12 0x000055cc882f2bf3 in buf_flush_lists (min_n=18446744073709551614, lsn_limit=18446744073709551615, n_processed=0x0) at /home/mdbe/MDEV-24792/10.4/storage/innobase/buf/buf0flu.cc:2084

#13 0x000055cc882f77f6 in buf_flush_sync_all_buf_pools () at /home/mdbe/MDEV-24792/10.4/storage/innobase/buf/buf0flu.cc:3490

#14 0x000055cc885e8057 in srv_start (create_new_db=false) at /home/mdbe/MDEV-24792/10.4/storage/innobase/srv/srv0start.cc:2011

#15 0x000055cc87b83c1b in innodb_init () at /home/mdbe/MDEV-24792/10.4/extra/mariabackup/xtrabackup.cc:2250

#16 0x000055cc87b8f222 in xtrabackup_prepare_func (argv=0x55cc8b143138) at /home/mdbe/MDEV-24792/10.4/extra/mariabackup/xtrabackup.cc:5932

#17 0x000055cc87b91dc7 in main_low (argv=0x55cc8b143138) at /home/mdbe/MDEV-24792/10.4/extra/mariabackup/xtrabackup.cc:6887

#18 0x000055cc87b915c3 in main (argc=5, argv=0x7fff2dcc98a8) at /home/mdbe/MDEV-24792/10.4/extra/mariabackup/xtrabackup.cc:6677

git clone https://github.com/MariaDB/randgen --branch mdev24792 rqg-mdev24792

cd rqg-mdev24792

perl ./runall-trials.pl --basedir1=<basedir> --trials=5 --rr --redefine=conf/mariadb/sequences.yy --redefine=24792-redefine-1.yy  --mysqld=--innodb-undo-tablespaces=127 --scenario=MariaBackupFull --mysqld=--innodb-page-size=32K  --mysqld=--enforce-storage-engine=InnoDB --engine=InnoDB  --mysqld=--innodb-encrypt-tables --mysqld=--innodb-encrypt-log --mysqld=--innodb-encryption-threads=4 --mysqld=--file-key-management --mysqld=--file-key-management-filename=`pwd`/data/file_key_management_keys.txt --mysqld=--plugin-load-add=file_key_management   --mysqld=--character-set-server=utf8  --threads=3 --queries=33333  --duration=100 --reporters=Backtrace,ErrorLog,Deadlock --mysqld=--log_output=FILE --mysqld=--max-statement-time=30 --mysqld=--lock-wait-timeout=10 --mysqld=--innodb-lock-wait-timeout=5 --gendata=24792.zz --grammar=conf/partitioning/partitions.yy --short-column-names  --mtr-build-thread=92 --seed=1612494579 --mysqld=--innodb-log-optimize-ddl=off --vardir1=/dev/shm/var_mdev24792