SET collation_connection='utf16_general_ci';

CREATE OR REPLACE TABLE t1(c INT);

INSERT INTO t1 VALUES(NULL);

CREATE OR REPLACE TABLE t2 AS SELECT PASSWORD(c) FROM t1;

SET collation_connection='utf16_general_ci';

CREATE OR REPLACE TABLE t1 AS SELECT PASSWORD(CAST(NULL AS SIGNED));

SET @@sql_buffer_result=ON;

SET collation_connection='utf16_bin';

CREATE TABLE t (c CHAR(1));

INSERT INTO t VALUES (1),(1),(1),(NULL);

INSERT INTO t SELECT * FROM t;

SELECT PASSWORD(c) FROM t;

mysqld: /test/10.8_dbg/sql/sql_string.cc:450: bool String::copy(const char*, size_t, CHARSET_INFO*, CHARSET_INFO*, uint*): Assertion `!str || str != Ptr || !is_alloced()' failed.

Core was generated by `/test/MD121221-mariadb-10.8.0-linux-x86_64-dbg/bin/mysqld --no-defaults --core-'.

Program terminated with signal SIGABRT, Aborted.

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

[Current thread is 1 (Thread 0x14d07436c700 (LWP 2572289))]

(gdb) bt

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

#1  0x000014d0755cf859 in __GI_abort () at abort.c:79

#2  0x000014d0755cf729 in __assert_fail_base (fmt=0x14d075765588 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=0x558033cb7480 "!str || str != Ptr || !is_alloced()", file=0x558033cb7248 "/test/10.8_dbg/sql/sql_string.cc", line=450, function=<optimized out>) at assert.c:92

#3  0x000014d0755e0f36 in __GI___assert_fail (assertion=assertion@entry=0x558033cb7480 "!str || str != Ptr || !is_alloced()", file=file@entry=0x558033cb7248 "/test/10.8_dbg/sql/sql_string.cc", line=line@entry=450, function=function@entry=0x558033cb74a8 "bool String::copy(const char*, size_t, CHARSET_INFO*, CHARSET_INFO*, uint*)") at assert.c:101

#4  0x00005580330ab1d8 in String::copy (this=this@entry=0x14cfb0014420, str=0x14cfb002a2e8 "", arg_length=0, from_cs=0x5580345afa60 <my_charset_latin1>, to_cs=0x5580345d2e00 <my_charset_utf16_bin>, errors=errors@entry=0x14d074369e1c) at /test/10.8_dbg/sql/sql_string.h:430

#5  0x00005580333c022b in Item_func::val_str_from_val_str_ascii (this=0x14cfb00143f8, str=0x14cfb0014420, ascii_buffer=0x14cfb00144a0) at /test/10.8_dbg/sql/sql_string.h:278

#6  0x0000558033264a32 in Item_str_ascii_func::val_str (this=<optimized out>, str=<optimized out>) at /test/10.8_dbg/sql/item_strfunc.h:94

#7  0x000055803330e4e9 in Item::save_str_in_field (this=0x14cfb00143f8, field=0x14cfb00726e0, no_conversions=<optimized out>) at /test/10.8_dbg/sql/item.cc:6780

#8  0x00005580331e73a2 in Type_handler_string_result::Item_save_in_field (this=<optimized out>, item=<optimized out>, field=<optimized out>, no_conversions=<optimized out>) at /test/10.8_dbg/sql/sql_type.cc:4330

#9  0x00005580332f4699 in Item::save_in_field (this=0x14cfb00143f8, field=0x14cfb00726e0, no_conversions=<optimized out>) at /test/10.8_dbg/sql/item.cc:6828

#10 0x0000558032ebdfb0 in Item_result_field::save_in_result_field (this=<optimized out>, no_conversions=<optimized out>) at /test/10.8_dbg/sql/item.h:3436

#11 0x000055803305162a in copy_funcs (func_ptr=0x14cfb0072380, thd=0x14cfb0000db8) at /test/10.8_dbg/sql/sql_select.cc:26286

#12 0x00005580330516e5 in end_write (join=0x14cfb0015548, join_tab=0x14cfb0016ba8, end_of_records=<optimized out>) at /test/10.8_dbg/sql/sql_select.cc:22556

#13 0x0000558033061741 in AGGR_OP::put_record (this=this@entry=0x14cfb0017438, end_of_records=end_of_records@entry=false) at /test/10.8_dbg/sql/sql_select.cc:29452

#14 0x0000558033061f3e in AGGR_OP::put_record (this=0x14cfb0017438) at /test/10.8_dbg/sql/sql_select.h:1056

#15 sub_select_postjoin_aggr (join=0x14cfb0015548, join_tab=0x14cfb0016ba8, end_of_records=<optimized out>) at /test/10.8_dbg/sql/sql_select.cc:20786

#16 0x0000558033020e3d in evaluate_join_record (join=join@entry=0x14cfb0015548, join_tab=join_tab@entry=0x14cfb00167f8, error=error@entry=0) at /test/10.8_dbg/sql/sql_select.cc:21300

#17 0x000055803303701c in sub_select (join=0x14cfb0015548, join_tab=0x14cfb00167f8, end_of_records=<optimized out>) at /test/10.8_dbg/sql/sql_select.cc:21109

#18 0x000055803306ef96 in do_select (procedure=0x0, join=0x14cfb0015548) at /test/10.8_dbg/sql/sql_select.cc:20617

#19 JOIN::exec_inner (this=this@entry=0x14cfb0015548) at /test/10.8_dbg/sql/sql_select.cc:4735

#20 0x000055803306f542 in JOIN::exec (this=this@entry=0x14cfb0015548) at /test/10.8_dbg/sql/sql_select.cc:4513

#21 0x000055803306d553 in mysql_select (thd=thd@entry=0x14cfb0000db8, tables=0x14cfb0014568, fields=@0x14cfb0014100: {<base_list> = {<Sql_alloc> = {<No data fields>}, first = 0x14cfb00144f8, last = 0x14cfb00144f8, elements = 1}, <No data fields>}, conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2147879680, result=0x14cfb0015520, unit=0x14cfb00051c0, select_lex=0x14cfb0013e60) at /test/10.8_dbg/sql/sql_select.cc:4993

#22 0x000055803306d808 in handle_select (thd=thd@entry=0x14cfb0000db8, lex=lex@entry=0x14cfb00050e8, result=result@entry=0x14cfb0015520, setup_tables_done_option=setup_tables_done_option@entry=0) at /test/10.8_dbg/sql/sql_select.cc:545

#23 0x0000558032fccc1e in execute_sqlcom_select (thd=thd@entry=0x14cfb0000db8, all_tables=0x14cfb0014568) at /test/10.8_dbg/sql/sql_parse.cc:6253

#24 0x0000558032fd9af1 in mysql_execute_command (thd=thd@entry=0x14cfb0000db8, is_called_from_prepared_stmt=is_called_from_prepared_stmt@entry=false) at /test/10.8_dbg/sql/sql_parse.cc:3944

#25 0x0000558032fc5e0f in mysql_parse (thd=thd@entry=0x14cfb0000db8, rawbuf=<optimized out>, length=<optimized out>, parser_state=parser_state@entry=0x14d07436b400) at /test/10.8_dbg/sql/sql_parse.cc:8028

#26 0x0000558032fd4aab in dispatch_command (command=command@entry=COM_QUERY, thd=thd@entry=0x14cfb0000db8, packet=packet@entry=0x14cfb000b879 "", packet_length=packet_length@entry=25, blocking=blocking@entry=true) at /test/10.8_dbg/sql/sql_class.h:1360

#27 0x0000558032fd7eea in do_command (thd=0x14cfb0000db8, blocking=blocking@entry=true) at /test/10.8_dbg/sql/sql_parse.cc:1402

#28 0x000055803315189c in do_handle_one_connection (connect=<optimized out>, connect@entry=0x558035890e58, put_in_cache=put_in_cache@entry=true) at /test/10.8_dbg/sql/sql_connect.cc:1418

#29 0x0000558033151ea1 in handle_one_connection (arg=arg@entry=0x558035890e58) at /test/10.8_dbg/sql/sql_connect.cc:1312

#30 0x00005580335d3442 in pfs_spawn_thread (arg=0x5580357a44c8) at /test/10.8_dbg/storage/perfschema/pfs.cc:2201

#31 0x000014d075ade609 in start_thread (arg=<optimized out>) at pthread_create.c:477

#32 0x000014d0756cc293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

SET sql_mode='';

SET SESSION sql_buffer_result=1;

CREATE TABLE t1 (c1 INT) ENGINE=InnoDB;

INSERT INTO t1 VALUES ();

INSERT IGNORE INTO t1 VALUES (@a);

SET collation_connection='ucs2_bin';

SELECT PASSWORD(c1) FROM t1;

mysqld: /test/10.8_dbg/sql/sql_string.cc:450: bool String::copy(const char*, size_t, CHARSET_INFO*, CHARSET_INFO*, uint*): Assertion `!str || str != Ptr || !is_alloced()' failed.

Core was generated by `/test/MD121221-mariadb-10.8.0-linux-x86_64-dbg/bin/mysqld --no-defaults --core-'.

Program terminated with signal SIGABRT, Aborted.

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

[Current thread is 1 (Thread 0x14d8c1d7c700 (LWP 1286108))]

(gdb) bt

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

#1  0x000014d8e0a15859 in __GI_abort () at abort.c:79

#2  0x000014d8e0a15729 in __assert_fail_base (fmt=0x14d8e0bab588 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=0x556ad406e480 "!str || str != Ptr || !is_alloced()", file=0x556ad406e248 "/test/10.8_dbg/sql/sql_string.cc", line=450, function=<optimized out>) at assert.c:92

#3  0x000014d8e0a26f36 in __GI___assert_fail (assertion=assertion@entry=0x556ad406e480 "!str || str != Ptr || !is_alloced()", file=file@entry=0x556ad406e248 "/test/10.8_dbg/sql/sql_string.cc", line=line@entry=450, function=function@entry=0x556ad406e4a8 "bool String::copy(const char*, size_t, CHARSET_INFO*, CHARSET_INFO*, uint*)") at assert.c:101

#4  0x0000556ad34621d8 in String::copy (this=this@entry=0x14d818014428, str=0x14d818041148 "", arg_length=0, from_cs=0x556ad4966a60 <my_charset_latin1>, to_cs=0x556ad49892a0 <my_charset_ucs2_bin>, errors=errors@entry=0x14d8c1d79e1c) at /test/10.8_dbg/sql/sql_string.h:430

#5  0x0000556ad377722b in Item_func::val_str_from_val_str_ascii (this=0x14d818014400, str=0x14d818014428, ascii_buffer=0x14d8180144a8) at /test/10.8_dbg/sql/sql_string.h:278

#6  0x0000556ad361ba32 in Item_str_ascii_func::val_str (this=<optimized out>, str=<optimized out>) at /test/10.8_dbg/sql/item_strfunc.h:94

#7  0x0000556ad36c54e9 in Item::save_str_in_field (this=0x14d818014400, field=0x14d818070bf0, no_conversions=<optimized out>) at /test/10.8_dbg/sql/item.cc:6780

#8  0x0000556ad359e3a2 in Type_handler_string_result::Item_save_in_field (this=<optimized out>, item=<optimized out>, field=<optimized out>, no_conversions=<optimized out>) at /test/10.8_dbg/sql/sql_type.cc:4330

#9  0x0000556ad36ab699 in Item::save_in_field (this=0x14d818014400, field=0x14d818070bf0, no_conversions=<optimized out>) at /test/10.8_dbg/sql/item.cc:6828

#10 0x0000556ad3274fb0 in Item_result_field::save_in_result_field (this=<optimized out>, no_conversions=<optimized out>) at /test/10.8_dbg/sql/item.h:3436

#11 0x0000556ad340862a in copy_funcs (func_ptr=0x14d818070890, thd=0x14d818000db8) at /test/10.8_dbg/sql/sql_select.cc:26286

#12 0x0000556ad34086e5 in end_write (join=0x14d818015550, join_tab=0x14d818016bb0, end_of_records=<optimized out>) at /test/10.8_dbg/sql/sql_select.cc:22556

#13 0x0000556ad3418741 in AGGR_OP::put_record (this=this@entry=0x14d818017440, end_of_records=end_of_records@entry=false) at /test/10.8_dbg/sql/sql_select.cc:29452

#14 0x0000556ad3418f3e in AGGR_OP::put_record (this=0x14d818017440) at /test/10.8_dbg/sql/sql_select.h:1056

#15 sub_select_postjoin_aggr (join=0x14d818015550, join_tab=0x14d818016bb0, end_of_records=<optimized out>) at /test/10.8_dbg/sql/sql_select.cc:20786

#16 0x0000556ad33d7e3d in evaluate_join_record (join=join@entry=0x14d818015550, join_tab=join_tab@entry=0x14d818016800, error=error@entry=0) at /test/10.8_dbg/sql/sql_select.cc:21300

#17 0x0000556ad33ee01c in sub_select (join=0x14d818015550, join_tab=0x14d818016800, end_of_records=<optimized out>) at /test/10.8_dbg/sql/sql_select.cc:21109

#18 0x0000556ad3425f96 in do_select (procedure=0x0, join=0x14d818015550) at /test/10.8_dbg/sql/sql_select.cc:20617

#19 JOIN::exec_inner (this=this@entry=0x14d818015550) at /test/10.8_dbg/sql/sql_select.cc:4735

#20 0x0000556ad3426542 in JOIN::exec (this=this@entry=0x14d818015550) at /test/10.8_dbg/sql/sql_select.cc:4513

#21 0x0000556ad3424553 in mysql_select (thd=thd@entry=0x14d818000db8, tables=0x14d818014570, fields=@0x14d818014108: {<base_list> = {<Sql_alloc> = {<No data fields>}, first = 0x14d818014500, last = 0x14d818014500, elements = 1}, <No data fields>}, conds=0x0, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=2147879680, result=0x14d818015528, unit=0x14d8180051c0, select_lex=0x14d818013e68) at /test/10.8_dbg/sql/sql_select.cc:4993

#22 0x0000556ad3424808 in handle_select (thd=thd@entry=0x14d818000db8, lex=lex@entry=0x14d8180050e8, result=result@entry=0x14d818015528, setup_tables_done_option=setup_tables_done_option@entry=0) at /test/10.8_dbg/sql/sql_select.cc:545

#23 0x0000556ad3383c1e in execute_sqlcom_select (thd=thd@entry=0x14d818000db8, all_tables=0x14d818014570) at /test/10.8_dbg/sql/sql_parse.cc:6253

#24 0x0000556ad3390af1 in mysql_execute_command (thd=thd@entry=0x14d818000db8, is_called_from_prepared_stmt=is_called_from_prepared_stmt@entry=false) at /test/10.8_dbg/sql/sql_parse.cc:3944

#25 0x0000556ad337ce0f in mysql_parse (thd=thd@entry=0x14d818000db8, rawbuf=<optimized out>, length=<optimized out>, parser_state=parser_state@entry=0x14d8c1d7b400) at /test/10.8_dbg/sql/sql_parse.cc:8028

#26 0x0000556ad338baab in dispatch_command (command=command@entry=COM_QUERY, thd=thd@entry=0x14d818000db8, packet=packet@entry=0x14d81800b879 "", packet_length=packet_length@entry=27, blocking=blocking@entry=true) at /test/10.8_dbg/sql/sql_class.h:1360

#27 0x0000556ad338eeea in do_command (thd=0x14d818000db8, blocking=blocking@entry=true) at /test/10.8_dbg/sql/sql_parse.cc:1402

#28 0x0000556ad350889c in do_handle_one_connection (connect=<optimized out>, connect@entry=0x556ad5f9d878, put_in_cache=put_in_cache@entry=true) at /test/10.8_dbg/sql/sql_connect.cc:1418

#29 0x0000556ad3508ea1 in handle_one_connection (arg=arg@entry=0x556ad5f9d878) at /test/10.8_dbg/sql/sql_connect.cc:1312

#30 0x0000556ad398a442 in pfs_spawn_thread (arg=0x556ad5eb1318) at /test/10.8_dbg/storage/perfschema/pfs.cc:2201

#31 0x000014d8e0f24609 in start_thread (arg=<optimized out>) at pthread_create.c:477

#32 0x000014d8e0b12293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95