SIGSEGV (or hang) in free/my_free from _ma_end_block_record (on optimized builds)

SET SQL_MODE='';

USE test;

SET STATEMENT max_statement_time=20 FOR BACKUP LOCK test.t1;

CREATE TABLE IF NOT EXISTS t3 (c1 CHAR(1) BINARY,c2 SMALLINT(10),c3 NUMERIC(1,0), PRIMARY KEY(c1(1))) ENGINE=InnoDB;

LOCK TABLES t3 AS a2 WRITE, t3 AS a1 READ LOCAL;

UNLOCK TABLES;

DROP TABLE t1,t2,t0;

# Shutdown (using mysqladmin shutdown), observe crash (or hang) during shutdown

USE test;

SET SQL_MODE='';

SET STATEMENT max_statement_time=180 FOR BACKUP LOCK test.t;

CREATE TABLE t (c1 INT PRIMARY KEY) ENGINE=Aria;

LOCK TABLES t AS a2 WRITE, t AS a1 READ LOCAL;

UNLOCK TABLES;

DROP TABLE t1,t2,t0;

# Shutdown (using mysqladmin shutdown), observe crash (or hang) during shutdown

Core was generated by `/test/MD120620-mariadb-10.5.4-linux-x86_64-dbg/bin/mysqld --no-defaults --core-'.

Program terminated with signal SIGSEGV, Segmentation fault.

#0  __pthread_kill (threadid=<optimized out>, signo=signo@entry=11)

    at ../sysdeps/unix/sysv/linux/pthread_kill.c:57

[Current thread is 1 (Thread 0x14e9678a6840 (LWP 1828221))]

(gdb) bt

#0  __pthread_kill (threadid=<optimized out>, signo=signo@entry=11) at ../sysdeps/unix/sysv/linux/pthread_kill.c:57

#1  0x00005593ef35a9e7 in my_write_core (sig=sig@entry=11) at /test/10.5_opt/mysys/stacktrace.c:518

#2  0x00005593eed25daa in handle_fatal_signal (sig=11) at /test/10.5_opt/sql/signal_handler.cc:330

#3  <signal handler called>

#4  0x000014e96746919d in free () from /usr/lib/x86_64-linux-gnu/libjemalloc.so.1

#5  0x00005593ef356ef3 in my_free (ptr=<optimized out>) at /test/10.5_opt/mysys/my_malloc.c:209

#6  0x00005593eef39020 in _ma_end_block_record (info=0x14e943952018) at /test/10.5_opt/storage/maria/ma_blockrec.c:566

#7  0x00005593eeeea80a in maria_close (info=0x14e943952018) at /test/10.5_opt/storage/maria/ma_close.c:93

#8  0x00005593eebe5ea9 in closefrm (table=table@entry=0x14e9438d0818) at /test/10.5_opt/sql/table.cc:4288

#9  0x00005593eeca99c1 in intern_close_table (table=0x14e9438d0818) at /test/10.5_opt/sql/table_cache.cc:220

#10 tc_purge () at /test/10.5_opt/sql/table_cache.cc:312

#11 0x00005593eeaca02e in purge_tables () at /test/10.5_opt/sql/sql_base.cc:327

#12 0x00005593eeca8082 in tdc_start_shutdown () at /test/10.5_opt/sql/table_cache.cc:634

#13 0x00005593eea65dee in clean_up (print_message=print_message@entry=true) at /test/10.5_opt/sql/mysqld.cc:1980

#14 0x00005593eea71b1a in clean_up (print_message=true) at /test/10.5_opt/include/mysql/psi/mysql_thread.h:1137

#15 mysqld_main (argc=<optimized out>, argv=<optimized out>) at /test/10.5_opt/sql/mysqld.cc:5647

#16 0x000014e965a61b97 in __libc_start_main (main=0x5593eea33260 <main(int, char**)>, argc=10, argv=0x7ffe8791b6a8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe8791b698) at ../csu/libc-start.c:310

#17 0x00005593eea64c3a in _start ()