ASAN: heap-use-after-free in my_strnncoll_binary with compressed or GIS columns

CREATE TABLE t5 (

  i1 smallint(11) unsigned zerofill ,

  e1 enum('','a') ,

  b1 mediumblob /*!100301 COMPRESSED*/ ,

  d2 date NOT NULL DEFAULT '1900-01-01',

  pk bigint(20) unsigned NOT NULL DEFAULT 0,

  d1 timestamp NULL ,

  v1 varbinary(3362) ,

  t1 time NOT NULL DEFAULT '00:00:00'

);

INSERT INTO t5 VALUES (00000000004,'','ufhjdtv','1992-07-25',1,'2035-06-05 09:02:48','f','13:25:21'),(00000000001,'','jdt','1998-07-03',2,'1994-05-05 19:59:20','','09:09:19'),(00000000000,'','d','2007-12-05',3,'0000-00-00 00:00:00','tvs','02:51:15');

SELECT GROUP_CONCAT(t5.i1, IF(t5.e1, t5.b1, t5.e1), 

    IF(t5.d1, t5.t1, t5.d1), t5.v1, 

    IF(t5.i1, t5.i1, t5.d2), t5.v1, t5.b1

    ORDER BY 2,6,1,7,4,3,5 SEPARATOR ';') 

FROM (t5 JOIN t5 AS tt ON (tt.pk != t5.pk));

 10.3 commit 1748a31ae8d69e49

Version: '10.3.9-MariaDB-debug-log'  socket: '/home/alice/git/10.3/mysql-test/var/tmp/mysqld.1.sock'  port: 16000  Source distribution

=================================================================

==22714==ERROR: AddressSanitizer: heap-use-after-free on address 0x60c00000cd70 at pc 0x7f2a7f953676 bp 0x7f2a73e24900 sp 0x7f2a73e240a8

READ of size 2 at 0x60c00000cd70 thread T5

    #0 0x7f2a7f953675 in memcmp (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x77675)

    #1 0x55ead621f4e2 in my_strnncoll_binary /home/alice/git/10.3/strings/ctype-bin.c:85

    #2 0x55ead621f565 in my_strnncollsp_binary /home/alice/git/10.3/strings/ctype-bin.c:124

    #3 0x55ead50bce36 in Field_blob::cmp(unsigned char const*, unsigned int, unsigned char const*, unsigned int) /home/alice/git/10.3/sql/field.cc:8364

    #4 0x55ead50bd0de in Field_blob::cmp_max(unsigned char const*, unsigned char const*, unsigned int) /home/alice/git/10.3/sql/field.cc:8377

    #5 0x55ead50e0c2b in Field_blob::cmp(unsigned char const*, unsigned char const*) /home/alice/git/10.3/sql/field.h:3651

    #6 0x55ead5340596 in group_concat_key_cmp_with_order /home/alice/git/10.3/sql/item_sum.cc:3525

    #7 0x55ead61cf79f in tree_insert /home/alice/git/10.3/mysys/tree.c:250

    #8 0x55ead5344292 in Item_func_group_concat::add() /home/alice/git/10.3/sql/item_sum.cc:3880

    #9 0x55ead53480c5 in Aggregator_simple::add() /home/alice/git/10.3/sql/item_sum.h:706

    #10 0x55ead4b92fd7 in Item_sum::aggregator_add() (/home/alice/git/10.3/sql/mysqld+0x10ecfd7)

    #11 0x55ead4b77c97 in update_sum_func /home/alice/git/10.3/sql/sql_select.cc:24207

    #12 0x55ead4b60650 in end_send_group(JOIN*, st_join_table*, bool) /home/alice/git/10.3/sql/sql_select.cc:20664

    #13 0x55ead4e0c908 in JOIN_CACHE::generate_full_extensions(unsigned char*) /home/alice/git/10.3/sql/sql_join_cache.cc:2400

    #14 0x55ead4e0c223 in JOIN_CACHE::join_matching_records(bool) /home/alice/git/10.3/sql/sql_join_cache.cc:2292

    #15 0x55ead4e0abb6 in JOIN_CACHE::join_records(bool) /home/alice/git/10.3/sql/sql_join_cache.cc:2088

    #16 0x55ead4b55295 in sub_select_cache(JOIN*, st_join_table*, bool) /home/alice/git/10.3/sql/sql_select.cc:19051

    #17 0x55ead4b55772 in sub_select(JOIN*, st_join_table*, bool) /home/alice/git/10.3/sql/sql_select.cc:19222

    #18 0x55ead4b543e6 in do_select /home/alice/git/10.3/sql/sql_select.cc:18813

    #19 0x55ead4af3c0c in JOIN::exec_inner() /home/alice/git/10.3/sql/sql_select.cc:4021

    #20 0x55ead4af1951 in JOIN::exec() /home/alice/git/10.3/sql/sql_select.cc:3815

    #21 0x55ead4af4d23 in mysql_select(THD*, TABLE_LIST*, unsigned int, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_select_lex*) /home/alice/git/10.3/sql/sql_select.cc:4220

    #22 0x55ead4ad0568 in handle_select(THD*, LEX*, select_result*, unsigned long) /home/alice/git/10.3/sql/sql_select.cc:382

    #23 0x55ead4a560b9 in execute_sqlcom_select /home/alice/git/10.3/sql/sql_parse.cc:6542

    #24 0x55ead4a448cc in mysql_execute_command(THD*) /home/alice/git/10.3/sql/sql_parse.cc:3765

    #25 0x55ead4a5e9c7 in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) /home/alice/git/10.3/sql/sql_parse.cc:8073

    #26 0x55ead4a396ae in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) /home/alice/git/10.3/sql/sql_parse.cc:1847

    #27 0x55ead4a36846 in do_command(THD*) /home/alice/git/10.3/sql/sql_parse.cc:1392

    #28 0x55ead4d85ca1 in do_handle_one_connection(CONNECT*) /home/alice/git/10.3/sql/sql_connect.cc:1402

    #29 0x55ead4d8567e in handle_one_connection /home/alice/git/10.3/sql/sql_connect.cc:1308

    #30 0x55ead609d1d4 in pfs_spawn_thread /home/alice/git/10.3/storage/perfschema/pfs.cc:1862

    #31 0x7f2a7e7886b9 in start_thread (/lib/x86_64-linux-gnu/libpthread.so.0+0x76b9)

    #32 0x7f2a7dc1d41c in clone (/lib/x86_64-linux-gnu/libc.so.6+0x10741c)

CURRENT_TEST: main.1_my

mysqltest: At line 20: query 'SELECT GROUP_CONCAT(t5.i1, IF(t5.e1, t5.b1, t5.e1), 

IF(t5.d1, t5.t1, t5.d1), t5.v1, 

IF(t5.i1, t5.i1, t5.d2), t5.v1, t5.b1

ORDER BY 2,6,1,7,4,3,5 SEPARATOR ';') 

FROM (t5 JOIN t5 AS tt ON (tt.pk != t5.pk))' failed: 1259: ZLIB: Input data corrupted