strings/ctype-ucs2.c:2336: my_vsnprintf_utf32: Assertion `(n % 4) == 0' failed in my_vsnprintf_utf32 on INSERT

CREATE TABLE t (c VARCHAR(1) CHARACTER SET utf32 COLLATE utf32_turkish_ci) ENGINE=MyISAM;

CALL sys.statement_performance_analyzer (1,1,1);

DROP TABLE t;

CREATE TABLE t (c INT) ENGINE=MyISAM;

SET sql_log_bin=1;

INSERT INTO t VALUES (1);

2023-09-26 15:36:59 5 [Note] Slave I/O thread: Start asynchronous replication to master 'repl_user@127.0.0.1:12208' in log '' at position 4

2023-09-26 15:36:59 5 [Note] Slave I/O thread: connected to master 'repl_user@127.0.0.1:12208',replication starts at GTID position ''

2023-09-26 15:36:59 6 [Note] Slave SQL thread initialized, starting replication in log 'FIRST' at position 4, relay log './relaylog.000001' position: 4; GTID position ''

mariadbd: /test/10.6_dbg/strings/ctype-ucs2.c:2336: my_vsnprintf_utf32: Assertion `(n % 4) == 0' failed.

Core was generated by `/test/BASE_MD260923-mariadb-10.6.16-linux-x86_64-dbg/bin/mariadbd --no-defaults'.

Program terminated with signal SIGABRT, Aborted.

#0  __pthread_kill_implementation (no_tid=0, signo=6, threadid=22541758277184)

    at ./nptl/pthread_kill.c:44

[Current thread is 1 (Thread 0x1480697ea640 (LWP 1701910))]

(gdb) bt

#0  __pthread_kill_implementation (no_tid=0, signo=6, threadid=22541758277184) at ./nptl/pthread_kill.c:44

#1  __pthread_kill_internal (signo=6, threadid=22541758277184) at ./nptl/pthread_kill.c:78

#2  __GI___pthread_kill (threadid=22541758277184, signo=signo@entry=6) at ./nptl/pthread_kill.c:89

#3  0x000014808f042476 in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26

#4  0x000014808f0287f3 in __GI_abort () at ./stdlib/abort.c:79

#5  0x000014808f02871b in __assert_fail_base (fmt=0x14808f1dd150 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=0x563fb08bd6aa "(n % 4) == 0", file=0x563fb08bd5e0 "/test/10.6_dbg/strings/ctype-ucs2.c", line=2336, function=<optimized out>) at ./assert/assert.c:92

#6  0x000014808f039e96 in __GI___assert_fail (assertion=assertion@entry=0x563fb08bd6aa "(n % 4) == 0", file=file@entry=0x563fb08bd5e0 "/test/10.6_dbg/strings/ctype-ucs2.c", line=line@entry=2336, function=function@entry=0x563fb08bded0 <__PRETTY_FUNCTION__.40> "my_vsnprintf_utf32") at ./assert/assert.c:101

#7  0x0000563fb02834f0 in my_vsnprintf_utf32 (ap=0x1480697e9098, fmt=0x563fb0571df0 "varchar(%u octets) character set %s", n=<optimized out>, dst=<optimized out>) at /test/10.6_dbg/strings/ctype-ucs2.c:2336

#8  my_snprintf_utf32 (cs=cs@entry=0x563fb0ce4c60 <my_charset_utf32_turkish_uca_ci>, to=<optimized out>, n=<optimized out>, fmt=fmt@entry=0x563fb0571df0 "varchar(%u octets) character set %s") at /test/10.6_dbg/strings/ctype-ucs2.c:2428

#9  0x0000563fafa9dd32 in Field_varstring::sql_rpl_type (this=0x147f7c01f8c8, res=0x1480697e9530) at /test/10.6_dbg/sql/sql_string.h:359

#10 0x0000563faf94cc28 in table_def::compatible_with (this=this@entry=0x147f7c021be8, thd=0x147f7c000f98, rgi=rgi@entry=0x14803006c470, table=0x147f7c023cb8, conv_table_var=conv_table_var@entry=0x1480697e98d0) at /test/10.6_dbg/sql/rpl_utility_server.cc:999

#11 0x0000563fafc36685 in Rows_log_event::do_apply_event (this=0x14803006f998, rgi=0x14803006c470) at /test/10.6_dbg/sql/log_event_server.cc:5602

#12 0x0000563faf7443f4 in Log_event::apply_event (rgi=0x14803006c470, this=0x14803006f998) at /test/10.6_dbg/sql/log_event.h:1499

#13 apply_event_and_update_pos_apply (ev=ev@entry=0x14803006f998, thd=thd@entry=0x147f7c000f98, rgi=rgi@entry=0x14803006c470, reason=reason@entry=0) at /test/10.6_dbg/sql/slave.cc:3894

#14 0x0000563faf74e4df in apply_event_and_update_pos_for_parallel (ev=ev@entry=0x14803006f998, thd=thd@entry=0x147f7c000f98, rgi=rgi@entry=0x14803006c470) at /test/10.6_dbg/sql/slave.cc:4090

#15 0x0000563faf9e3db0 in rpt_handle_event (qev=qev@entry=0x14803006fb18, rpt=rpt@entry=0x148030026d78) at /test/10.6_dbg/sql/rpl_parallel.cc:64

#16 0x0000563faf9e889a in handle_rpl_parallel_thread (arg=arg@entry=0x148030026d78) at /test/10.6_dbg/sql/rpl_parallel.cc:1512

#17 0x0000563fafdafc3e in pfs_spawn_thread (arg=0x148030038768) at /test/10.6_dbg/storage/perfschema/pfs.cc:2201

#18 0x000014808f094b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442

#19 0x000014808f126a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81