(gdb) bt

#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50

#1  0x0000153a4b571859 in __GI_abort () at abort.c:79

#2  0x000055eb6d644864 in safe_mutex_destroy (mp=mp@entry=0x1539c84caf50, 

    file=file@entry=0x55eb6da857d8 "/test/bb-10.10-MDEV-28883_dbg/storage/innobase/fts/fts0fts.cc", line=line@entry=274)

    at /test/bb-10.10-MDEV-28883_dbg/mysys/thr_mutex.c:602

#3  0x000055eb6d57deef in inline_mysql_mutex_destroy (src_line=274, 

    src_file=0x55eb6da857d8 "/test/bb-10.10-MDEV-28883_dbg/storage/innobase/fts/fts0fts.cc", that=0x1539c84caf50)

    at /test/bb-10.10-MDEV-28883_dbg/include/mysql/psi/mysql_thread.h:724

#4  fts_cache_destroy (cache=0x1539c84caf50) at /test/bb-10.10-MDEV-28883_dbg/storage/innobase/fts/fts0fts.cc:274

#5  0x000055eb6d5828f0 in fts_t::~fts_t (this=0x1539c8201250, __in_chrg=<optimized out>)

    at /test/bb-10.10-MDEV-28883_dbg/storage/innobase/fts/fts0fts.cc:5080

#6  0x000055eb6d58295c in fts_free (table=table@entry=0x1539c84c5790)

    at /test/bb-10.10-MDEV-28883_dbg/storage/innobase/fts/fts0fts.cc:5117

#7  0x000055eb6d5147f5 in dict_sys_t::remove (this=this@entry=0x55eb6e05c940 <dict_sys>, table=0x1539c84c5790, 

    lru=lru@entry=false, keep=keep@entry=false) at /test/bb-10.10-MDEV-28883_dbg/storage/innobase/dict/dict0dict.cc:1957

#8  0x000055eb6d514cfb in dict_sys_t::close (this=0x55eb6e05c940 <dict_sys>)

    at /test/bb-10.10-MDEV-28883_dbg/storage/innobase/dict/dict0dict.cc:4592

#9  0x000055eb6d4025f3 in innodb_shutdown () at /test/bb-10.10-MDEV-28883_dbg/storage/innobase/srv/srv0start.cc:1765

#10 0x000055eb6d1fd64c in innobase_end () at /test/bb-10.10-MDEV-28883_dbg/storage/innobase/handler/ha_innodb.cc:4310

#11 0x000055eb6cefdff9 in ha_finalize_handlerton (plugin=0x55eb6fecc900) at /test/bb-10.10-MDEV-28883_dbg/sql/handler.cc:596

#12 0x000055eb6cc3354a in plugin_deinitialize (plugin=0x55eb6fecc900, ref_check=ref_check@entry=true)

    at /test/bb-10.10-MDEV-28883_dbg/sql/sql_plugin.cc:1269

#13 0x000055eb6cc3742b in reap_plugins () at /test/bb-10.10-MDEV-28883_dbg/sql/sql_plugin.cc:1343

#14 0x000055eb6cc37f0e in plugin_shutdown () at /test/bb-10.10-MDEV-28883_dbg/sql/sql_plugin.cc:2051

#15 0x000055eb6cadd2b0 in clean_up (print_message=print_message@entry=true) at /test/bb-10.10-MDEV-28883_dbg/sql/mysqld.cc:1987

#16 0x000055eb6cae966c in mysqld_main (argc=<optimized out>, argv=<optimized out>)

    at /test/bb-10.10-MDEV-28883_dbg/sql/mysqld.cc:5937

#17 0x000055eb6cadcb66 in main (argc=<optimized out>, argv=<optimized out>) at /test/bb-10.10-MDEV-28883_dbg/sql/main.cc:34

2022-07-02  5:06:35 0 [ERROR] InnoDB: (Too many concurrent transactions) while getting next doc id for table `test`.`articles`

2022-07-02  5:06:35 0 [ERROR] InnoDB: (Too many concurrent transactions) during SYNC of table `test`.`articles`

2022-07-02  5:06:35 0 [Note] InnoDB: FTS optimize thread exiting.

2022-07-02  5:06:35 0 [Note] InnoDB: Starting shutdown...

safe_mutex: Found wrong usage of mutex 'cache->lock' and 'LOCK_global_system_variables'

Mutex currently locked (in reverse order):

LOCK_global_system_variables      /test/bb-10.10-MDEV-28883_dbg/storage/innobase/buf/buf0dump.cc  line 182

cache->lock                       /test/bb-10.10-MDEV-28883_dbg/storage/innobase/fts/fts0fts.cc  line 4077

2022-07-02  5:06:35 0 [Note] InnoDB: Dumping buffer pool(s) to /dev/shm/130567/9332/data/ib_buffer_pool

2022-07-02  5:06:35 0 [Note] InnoDB: Buffer pool(s) dump completed at 220702  5:06:35

safe_mutex: Trying to destroy a mutex cache->lock that was locked at /test/bb-10.10-MDEV-28883_dbg/storage/innobase/fts/fts0fts.cc, line 4077 at /test/bb-10.10-MDEV-28883_dbg/storage/innobase/fts/fts0fts.cc, line 274