ASAN heap-use-after-free in my_strnncollsp_simple / myrocks::ha_rocksdb::find_icp_matching_index_rec

INSTALL SONAME 'ha_rocksdb';

CREATE TABLE t1 (

    f1 BLOB,

    f2 CHAR(1) CHARACTER SET latin1 NOT NULL,

    f3 TEXT NOT NULL,

    f4 TIMESTAMP,

    UNIQUE(f2,f4),

    KEY(f3(8))

) ENGINE=RocksDB;

INSERT INTO t1 VALUES  ('', 'a', 'foo', '2018-01-01 00:00:00') ,  ('bar', 'b', '', '2019-01-01 00:00:00');

SELECT * FROM t1 WHERE f4 = '2020-01-01 00:00:00' AND f3 < 'qux' ORDER BY f1;

==10332==ERROR: AddressSanitizer: heap-use-after-free on address 0x6210000ade22 at pc 0x5614112d3ea0 bp 0x7f636fc3cb30 sp 0x7f636fc3cb28

READ of size 1 at 0x6210000ade22 thread T5

    #0 0x5614112d3e9f in my_strnncollsp_simple /data/src/10.2/strings/ctype-simple.c:182

    #1 0x5614101b77e4 in Field_blob::cmp(unsigned char const*, unsigned int, unsigned char const*, unsigned int) /data/src/10.2/sql/field.cc:8365

    #2 0x5614101b8b8d in Field_blob::key_cmp(unsigned char const*, unsigned int) /data/src/10.2/sql/field.cc:8478

    #3 0x56141044e200 in key_cmp(st_key_part_info*, unsigned char const*, unsigned int) /data/src/10.2/sql/key.cc:515

    #4 0x561410216772 in handler::compare_key2(st_key_range*) const /data/src/10.2/sql/handler.cc:5576

    #5 0x5614102168c0 in handler_index_cond_check /data/src/10.2/sql/handler.cc:5597

    #6 0x7f636e949ae1 in myrocks::ha_rocksdb::find_icp_matching_index_rec(bool, unsigned char*) /data/src/10.2/storage/rocksdb/ha_rocksdb.cc:8652

    #7 0x7f636e94d2a4 in myrocks::ha_rocksdb::index_next_with_direction(unsigned char*, bool) /data/src/10.2/storage/rocksdb/ha_rocksdb.cc:9081

    #8 0x7f636e94ddf4 in myrocks::ha_rocksdb::index_first_intern(unsigned char*) /data/src/10.2/storage/rocksdb/ha_rocksdb.cc:9188

    #9 0x7f636e94d5be in myrocks::ha_rocksdb::index_first(unsigned char*) /data/src/10.2/storage/rocksdb/ha_rocksdb.cc:9102

    #10 0x5614102067a3 in handler::ha_index_first(unsigned char*) /data/src/10.2/sql/handler.cc:2802

    #11 0x7f636e9473a8 in myrocks::ha_rocksdb::read_range_first(st_key_range const*, st_key_range const*, bool, bool) /data/src/10.2/storage/rocksdb/ha_rocksdb.cc:8306

    #12 0x56140ffe0222 in handler::multi_range_read_next(void**) /data/src/10.2/sql/multi_range_read.cc:298

    #13 0x561410549e83 in QUICK_RANGE_SELECT::get_next() /data/src/10.2/sql/opt_range.cc:11473

    #14 0x5614101e7ab4 in find_all_keys /data/src/10.2/sql/filesort.cc:782

    #15 0x5614101e452a in filesort(THD*, TABLE*, Filesort*, Filesort_tracker*, JOIN*, unsigned long long) /data/src/10.2/sql/filesort.cc:274

    #16 0x56140fd3a971 in create_sort_index(THD*, JOIN*, st_join_table*, Filesort*) /data/src/10.2/sql/sql_select.cc:22060

    #17 0x56140fd2b70c in st_join_table::sort_table() /data/src/10.2/sql/sql_select.cc:19825

    #18 0x56140fd2ad2f in join_init_read_record(st_join_table*) /data/src/10.2/sql/sql_select.cc:19766

    #19 0x56140fd249dc in sub_select(JOIN*, st_join_table*, bool) /data/src/10.2/sql/sql_select.cc:18857

    #20 0x56140fd22faf in do_select /data/src/10.2/sql/sql_select.cc:18404

    #21 0x56140fcc3950 in JOIN::exec_inner() /data/src/10.2/sql/sql_select.cc:3629

    #22 0x56140fcc171d in JOIN::exec() /data/src/10.2/sql/sql_select.cc:3424

    #23 0x56140fcc4993 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*) /data/src/10.2/sql/sql_select.cc:3824

    #24 0x56140fca3c8d in handle_select(THD*, LEX*, select_result*, unsigned long) /data/src/10.2/sql/sql_select.cc:361

    #25 0x56140fc2946e in execute_sqlcom_select /data/src/10.2/sql/sql_parse.cc:6225

    #26 0x56140fc177c3 in mysql_execute_command(THD*) /data/src/10.2/sql/sql_parse.cc:3532

    #27 0x56140fc31ef0 in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) /data/src/10.2/sql/sql_parse.cc:7740

    #28 0x56140fc0dfae in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) /data/src/10.2/sql/sql_parse.cc:1831

    #29 0x56140fc0afc4 in do_command(THD*) /data/src/10.2/sql/sql_parse.cc:1384

    #30 0x56140ff45f9f in do_handle_one_connection(CONNECT*) /data/src/10.2/sql/sql_connect.cc:1336

    #31 0x56140ff4596f in handle_one_connection /data/src/10.2/sql/sql_connect.cc:1241

    #32 0x561411175ddc in pfs_spawn_thread /data/src/10.2/storage/perfschema/pfs.cc:1862

    #33 0x7f637b9354a3 in start_thread (/lib/x86_64-linux-gnu/libpthread.so.0+0x74a3)

    #34 0x7f6379a69d0e in __clone (/lib/x86_64-linux-gnu/libc.so.6+0xe8d0e)

0x6210000ade22 is located 290 bytes inside of 4172-byte region [0x6210000add00,0x6210000aed4c)

freed by thread T5 here:

    #0 0x7f637bc0ca10 in free (/usr/lib/x86_64-linux-gnu/libasan.so.3+0xc1a10)

    #1 0x56141127bc3f in free_memory /data/src/10.2/mysys/safemalloc.c:279

    #2 0x56141127b2b9 in sf_free /data/src/10.2/mysys/safemalloc.c:197

    #3 0x56141124c0c5 in my_free /data/src/10.2/mysys/my_malloc.c:218

    #4 0x56141122e253 in free_root /data/src/10.2/mysys/my_alloc.c:400

    #5 0x5614105159d2 in SQL_SELECT::test_quick_select(THD*, Bitmap<64u>, unsigned long long, unsigned long long, bool, bool, bool) /data/src/10.2/sql/opt_range.cc:2692

    #6 0x56140fcc4e89 in get_quick_record_count /data/src/10.2/sql/sql_select.cc:3861

    #7 0x56140fcca77c in make_join_statistics /data/src/10.2/sql/sql_select.cc:4483

    #8 0x56140fcaf86f in JOIN::optimize_inner() /data/src/10.2/sql/sql_select.cc:1584

    #9 0x56140fcab008 in JOIN::optimize() /data/src/10.2/sql/sql_select.cc:1113

    #10 0x56140fcc47ae 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*) /data/src/10.2/sql/sql_select.cc:3810

    #11 0x56140fca3c8d in handle_select(THD*, LEX*, select_result*, unsigned long) /data/src/10.2/sql/sql_select.cc:361

    #12 0x56140fc2946e in execute_sqlcom_select /data/src/10.2/sql/sql_parse.cc:6225

    #13 0x56140fc177c3 in mysql_execute_command(THD*) /data/src/10.2/sql/sql_parse.cc:3532

    #14 0x56140fc31ef0 in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) /data/src/10.2/sql/sql_parse.cc:7740

    #15 0x56140fc0dfae in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) /data/src/10.2/sql/sql_parse.cc:1831

    #16 0x56140fc0afc4 in do_command(THD*) /data/src/10.2/sql/sql_parse.cc:1384

    #17 0x56140ff45f9f in do_handle_one_connection(CONNECT*) /data/src/10.2/sql/sql_connect.cc:1336

    #18 0x56140ff4596f in handle_one_connection /data/src/10.2/sql/sql_connect.cc:1241

    #19 0x561411175ddc in pfs_spawn_thread /data/src/10.2/storage/perfschema/pfs.cc:1862

    #20 0x7f637b9354a3 in start_thread (/lib/x86_64-linux-gnu/libpthread.so.0+0x74a3)

previously allocated by thread T5 here:

    #0 0x7f637bc0cd28 in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.3+0xc1d28)

    #1 0x56141127ac90 in sf_malloc /data/src/10.2/mysys/safemalloc.c:118

    #2 0x56141124b828 in my_malloc /data/src/10.2/mysys/my_malloc.c:101

    #3 0x56141122d379 in alloc_root /data/src/10.2/mysys/my_alloc.c:242

    #4 0x561410513f93 in SQL_SELECT::test_quick_select(THD*, Bitmap<64u>, unsigned long long, unsigned long long, bool, bool, bool) /data/src/10.2/sql/opt_range.cc:2462

    #5 0x56140fcc4e89 in get_quick_record_count /data/src/10.2/sql/sql_select.cc:3861

    #6 0x56140fcca77c in make_join_statistics /data/src/10.2/sql/sql_select.cc:4483

    #7 0x56140fcaf86f in JOIN::optimize_inner() /data/src/10.2/sql/sql_select.cc:1584

    #8 0x56140fcab008 in JOIN::optimize() /data/src/10.2/sql/sql_select.cc:1113

    #9 0x56140fcc47ae 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*) /data/src/10.2/sql/sql_select.cc:3810

    #10 0x56140fca3c8d in handle_select(THD*, LEX*, select_result*, unsigned long) /data/src/10.2/sql/sql_select.cc:361

    #11 0x56140fc2946e in execute_sqlcom_select /data/src/10.2/sql/sql_parse.cc:6225

    #12 0x56140fc177c3 in mysql_execute_command(THD*) /data/src/10.2/sql/sql_parse.cc:3532

    #13 0x56140fc31ef0 in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) /data/src/10.2/sql/sql_parse.cc:7740

    #14 0x56140fc0dfae in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) /data/src/10.2/sql/sql_parse.cc:1831

    #15 0x56140fc0afc4 in do_command(THD*) /data/src/10.2/sql/sql_parse.cc:1384

    #16 0x56140ff45f9f in do_handle_one_connection(CONNECT*) /data/src/10.2/sql/sql_connect.cc:1336

    #17 0x56140ff4596f in handle_one_connection /data/src/10.2/sql/sql_connect.cc:1241

    #18 0x561411175ddc in pfs_spawn_thread /data/src/10.2/storage/perfschema/pfs.cc:1862

    #19 0x7f637b9354a3 in start_thread (/lib/x86_64-linux-gnu/libpthread.so.0+0x74a3)

Thread T5 created by T0 here:

    #0 0x7f637bb7bf59 in __interceptor_pthread_create (/usr/lib/x86_64-linux-gnu/libasan.so.3+0x30f59)

    #1 0x561411176218 in spawn_thread_v1 /data/src/10.2/storage/perfschema/pfs.cc:1912

    #2 0x56140fa12212 in inline_mysql_thread_create /data/src/10.2/include/mysql/psi/mysql_thread.h:1239

    #3 0x56140fa2680c in create_thread_to_handle_connection(CONNECT*) /data/src/10.2/sql/mysqld.cc:6506

    #4 0x56140fa26eef in create_new_thread /data/src/10.2/sql/mysqld.cc:6576

    #5 0x56140fa27f07 in handle_connections_sockets() /data/src/10.2/sql/mysqld.cc:6851

    #6 0x56140fa25d77 in mysqld_main(int, char**) /data/src/10.2/sql/mysqld.cc:6125

    #7 0x56140fa10b9f in main /data/src/10.2/sql/main.cc:25

    #8 0x7f63799a12e0 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x202e0)

SUMMARY: AddressSanitizer: heap-use-after-free /data/src/10.2/strings/ctype-simple.c:182 in my_strnncollsp_simple

Shadow bytes around the buggy address:

  0x0c428000db70: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa

  0x0c428000db80: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa

  0x0c428000db90: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa

  0x0c428000dba0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd

  0x0c428000dbb0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd

=>0x0c428000dbc0: fd fd fd fd[fd]fd fd fd fd fd fd fd fd fd fd fd

  0x0c428000dbd0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd

  0x0c428000dbe0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd

  0x0c428000dbf0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd

  0x0c428000dc00: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd

  0x0c428000dc10: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd

Shadow byte legend (one shadow byte represents 8 application bytes):

  Addressable:           00

  Partially addressable: 01 02 03 04 05 06 07 

  Heap left redzone:       fa

  Heap right redzone:      fb

  Freed heap region:       fd

  Stack left redzone:      f1

  Stack mid redzone:       f2

  Stack right redzone:     f3

  Stack partial redzone:   f4

  Stack after return:      f5

  Stack use after scope:   f8

  Global redzone:          f9

  Global init order:       f6

  Poisoned by user:        f7

  Container overflow:      fc

  Array cookie:            ac

  Intra object redzone:    bb

  ASan internal:           fe

  Left alloca redzone:     ca

  Right alloca redzone:    cb

==10332==ABORTING

INSTALL SONAME 'ha_rocksdb';

CREATE TABLE t1 (

    f1 BLOB,

    f2 CHAR(1) CHARACTER SET latin1 NOT NULL,

    f3 TEXT NOT NULL,

    UNIQUE(f2),

    KEY(f3(8))

) ENGINE=RocksDB WITH SYSTEM VERSIONING;

INSERT INTO t1 VALUES  ('', 'a', 'foo') ,  ('bar', 'b', '');

SELECT * FROM t1 WHERE f3 < 'qux' ORDER BY f1;

==10527==ERROR: AddressSanitizer: heap-use-after-free on address 0x6210000b9222 at pc 0x55fca6af9e25 bp 0x7f6c69a67660 sp 0x7f6c69a67658

READ of size 1 at 0x6210000b9222 thread T5

    #0 0x55fca6af9e24 in my_strnncollsp_simple /data/src/10.3/strings/ctype-simple.c:182

    #1 0x55fca5844e6e in Field_blob::cmp(unsigned char const*, unsigned int, unsigned char const*, unsigned int) /data/src/10.3/sql/field.cc:8474

    #2 0x55fca5846261 in Field_blob::key_cmp(unsigned char const*, unsigned int) /data/src/10.3/sql/field.cc:8587

    #3 0x55fca5b2f558 in key_cmp(st_key_part_info*, unsigned char const*, unsigned int) /data/src/10.3/sql/key.cc:517

    #4 0x55fca58b81d8 in handler::compare_key2(st_key_range*) const /data/src/10.3/sql/handler.cc:5935

    #5 0x55fca58b8326 in handler_index_cond_check /data/src/10.3/sql/handler.cc:5956

    #6 0x7f6c688b9d63 in myrocks::ha_rocksdb::find_icp_matching_index_rec(bool, unsigned char*) /data/src/10.3/storage/rocksdb/ha_rocksdb.cc:8683

    #7 0x7f6c688bd978 in myrocks::ha_rocksdb::index_next_with_direction(unsigned char*, bool) /data/src/10.3/storage/rocksdb/ha_rocksdb.cc:9112

    #8 0x7f6c688be556 in myrocks::ha_rocksdb::index_first_intern(unsigned char*) /data/src/10.3/storage/rocksdb/ha_rocksdb.cc:9219

    #9 0x7f6c688bdc92 in myrocks::ha_rocksdb::index_first(unsigned char*) /data/src/10.3/storage/rocksdb/ha_rocksdb.cc:9133

    #10 0x55fca58a44f9 in handler::ha_index_first(unsigned char*) /data/src/10.3/sql/handler.cc:2989

    #11 0x7f6c688b75f0 in myrocks::ha_rocksdb::read_range_first(st_key_range const*, st_key_range const*, bool, bool) /data/src/10.3/storage/rocksdb/ha_rocksdb.cc:8337

    #12 0x55fca55a495c in handler::multi_range_read_next(void**) /data/src/10.3/sql/multi_range_read.cc:299

    #13 0x55fca5c3ac81 in QUICK_RANGE_SELECT::get_next() /data/src/10.3/sql/opt_range.cc:11498

    #14 0x55fca588205d in find_all_keys /data/src/10.3/sql/filesort.cc:772

    #15 0x55fca587e926 in filesort(THD*, TABLE*, Filesort*, Filesort_tracker*, JOIN*, unsigned long long) /data/src/10.3/sql/filesort.cc:268

    #16 0x55fca52ce9c3 in create_sort_index(THD*, JOIN*, st_join_table*, Filesort*) /data/src/10.3/sql/sql_select.cc:22794

    #17 0x55fca52bf0ea in st_join_table::sort_table() /data/src/10.3/sql/sql_select.cc:20560

    #18 0x55fca52be5f7 in join_init_read_record(st_join_table*) /data/src/10.3/sql/sql_select.cc:20501

    #19 0x55fca52b7e8f in sub_select(JOIN*, st_join_table*, bool) /data/src/10.3/sql/sql_select.cc:19582

    #20 0x55fca52b6392 in do_select /data/src/10.3/sql/sql_select.cc:19125

    #21 0x55fca5251f1c in JOIN::exec_inner() /data/src/10.3/sql/sql_select.cc:4098

    #22 0x55fca524fb4f in JOIN::exec() /data/src/10.3/sql/sql_select.cc:3892

    #23 0x55fca525302e 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*) /data/src/10.3/sql/sql_select.cc:4297

    #24 0x55fca522d065 in handle_select(THD*, LEX*, select_result*, unsigned long) /data/src/10.3/sql/sql_select.cc:370

    #25 0x55fca51aeda4 in execute_sqlcom_select /data/src/10.3/sql/sql_parse.cc:6294

    #26 0x55fca519e5a9 in mysql_execute_command(THD*) /data/src/10.3/sql/sql_parse.cc:3821

    #27 0x55fca51b7de0 in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) /data/src/10.3/sql/sql_parse.cc:7818

    #28 0x55fca5192acc in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) /data/src/10.3/sql/sql_parse.cc:1856

    #29 0x55fca518f9ab in do_command(THD*) /data/src/10.3/sql/sql_parse.cc:1401

    #30 0x55fca5505ae4 in do_handle_one_connection(CONNECT*) /data/src/10.3/sql/sql_connect.cc:1403

    #31 0x55fca55054ab in handle_one_connection /data/src/10.3/sql/sql_connect.cc:1308

    #32 0x55fca696f1f3 in pfs_spawn_thread /data/src/10.3/storage/perfschema/pfs.cc:1862

    #33 0x7f6c758c34a3 in start_thread (/lib/x86_64-linux-gnu/libpthread.so.0+0x74a3)

    #34 0x7f6c739f7d0e in __clone (/lib/x86_64-linux-gnu/libc.so.6+0xe8d0e)

0x6210000b9222 is located 290 bytes inside of 4172-byte region [0x6210000b9100,0x6210000ba14c)

freed by thread T5 here:

    #0 0x7f6c75b9aa10 in free (/usr/lib/x86_64-linux-gnu/libasan.so.3+0xc1a10)

    #1 0x55fca6a9fe9a in free_memory /data/src/10.3/mysys/safemalloc.c:279

    #2 0x55fca6a9f583 in sf_free /data/src/10.3/mysys/safemalloc.c:197

    #3 0x55fca6a71715 in my_free /data/src/10.3/mysys/my_malloc.c:223

    #4 0x55fca6a523ca in free_root /data/src/10.3/mysys/my_alloc.c:429

    #5 0x55fca5c061cb in SQL_SELECT::test_quick_select(THD*, Bitmap<64u>, unsigned long long, unsigned long long, bool, bool, bool) /data/src/10.3/sql/opt_range.cc:2699

    #6 0x55fca5253529 in get_quick_record_count /data/src/10.3/sql/sql_select.cc:4334

    #7 0x55fca525941a in make_join_statistics /data/src/10.3/sql/sql_select.cc:5040

    #8 0x55fca523c7ae in JOIN::optimize_inner() /data/src/10.3/sql/sql_select.cc:1942

    #9 0x55fca523820b in JOIN::optimize() /data/src/10.3/sql/sql_select.cc:1488

    #10 0x55fca5252e44 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*) /data/src/10.3/sql/sql_select.cc:4283

    #11 0x55fca522d065 in handle_select(THD*, LEX*, select_result*, unsigned long) /data/src/10.3/sql/sql_select.cc:370

    #12 0x55fca51aeda4 in execute_sqlcom_select /data/src/10.3/sql/sql_parse.cc:6294

    #13 0x55fca519e5a9 in mysql_execute_command(THD*) /data/src/10.3/sql/sql_parse.cc:3821

    #14 0x55fca51b7de0 in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) /data/src/10.3/sql/sql_parse.cc:7818

    #15 0x55fca5192acc in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) /data/src/10.3/sql/sql_parse.cc:1856

    #16 0x55fca518f9ab in do_command(THD*) /data/src/10.3/sql/sql_parse.cc:1401

    #17 0x55fca5505ae4 in do_handle_one_connection(CONNECT*) /data/src/10.3/sql/sql_connect.cc:1403

    #18 0x55fca55054ab in handle_one_connection /data/src/10.3/sql/sql_connect.cc:1308

    #19 0x55fca696f1f3 in pfs_spawn_thread /data/src/10.3/storage/perfschema/pfs.cc:1862

    #20 0x7f6c758c34a3 in start_thread (/lib/x86_64-linux-gnu/libpthread.so.0+0x74a3)

previously allocated by thread T5 here:

    #0 0x7f6c75b9ad28 in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.3+0xc1d28)

    #1 0x55fca6a9ef9b in sf_malloc /data/src/10.3/mysys/safemalloc.c:118

    #2 0x55fca6a70e24 in my_malloc /data/src/10.3/mysys/my_malloc.c:101

    #3 0x55fca6a51555 in alloc_root /data/src/10.3/mysys/my_alloc.c:250

    #4 0x55fca5c0478c in SQL_SELECT::test_quick_select(THD*, Bitmap<64u>, unsigned long long, unsigned long long, bool, bool, bool) /data/src/10.3/sql/opt_range.cc:2469

    #5 0x55fca5253529 in get_quick_record_count /data/src/10.3/sql/sql_select.cc:4334

    #6 0x55fca525941a in make_join_statistics /data/src/10.3/sql/sql_select.cc:5040

    #7 0x55fca523c7ae in JOIN::optimize_inner() /data/src/10.3/sql/sql_select.cc:1942

    #8 0x55fca523820b in JOIN::optimize() /data/src/10.3/sql/sql_select.cc:1488

    #9 0x55fca5252e44 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*) /data/src/10.3/sql/sql_select.cc:4283

    #10 0x55fca522d065 in handle_select(THD*, LEX*, select_result*, unsigned long) /data/src/10.3/sql/sql_select.cc:370

    #11 0x55fca51aeda4 in execute_sqlcom_select /data/src/10.3/sql/sql_parse.cc:6294

    #12 0x55fca519e5a9 in mysql_execute_command(THD*) /data/src/10.3/sql/sql_parse.cc:3821

    #13 0x55fca51b7de0 in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) /data/src/10.3/sql/sql_parse.cc:7818

    #14 0x55fca5192acc in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) /data/src/10.3/sql/sql_parse.cc:1856

    #15 0x55fca518f9ab in do_command(THD*) /data/src/10.3/sql/sql_parse.cc:1401

    #16 0x55fca5505ae4 in do_handle_one_connection(CONNECT*) /data/src/10.3/sql/sql_connect.cc:1403

    #17 0x55fca55054ab in handle_one_connection /data/src/10.3/sql/sql_connect.cc:1308

    #18 0x55fca696f1f3 in pfs_spawn_thread /data/src/10.3/storage/perfschema/pfs.cc:1862

    #19 0x7f6c758c34a3 in start_thread (/lib/x86_64-linux-gnu/libpthread.so.0+0x74a3)

Thread T5 created by T0 here:

    #0 0x7f6c75b09f59 in __interceptor_pthread_create (/usr/lib/x86_64-linux-gnu/libasan.so.3+0x30f59)

    #1 0x55fca696f62f in spawn_thread_v1 /data/src/10.3/storage/perfschema/pfs.cc:1912

    #2 0x55fca4efcb50 in inline_mysql_thread_create /data/src/10.3/include/mysql/psi/mysql_thread.h:1268

    #3 0x55fca4f11e5c in create_thread_to_handle_connection(CONNECT*) /data/src/10.3/sql/mysqld.cc:6600

    #4 0x55fca4f1253f in create_new_thread /data/src/10.3/sql/mysqld.cc:6670

    #5 0x55fca4f13557 in handle_connections_sockets() /data/src/10.3/sql/mysqld.cc:6945

    #6 0x55fca4f1132c in mysqld_main(int, char**) /data/src/10.3/sql/mysqld.cc:6222

    #7 0x55fca4efb26f in main /data/src/10.3/sql/main.cc:25

    #8 0x7f6c7392f2e0 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x202e0)

SUMMARY: AddressSanitizer: heap-use-after-free /data/src/10.3/strings/ctype-simple.c:182 in my_strnncollsp_simple

Shadow bytes around the buggy address:

  0x0c428000f1f0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa

  0x0c428000f200: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa

  0x0c428000f210: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa

  0x0c428000f220: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd

  0x0c428000f230: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd

=>0x0c428000f240: fd fd fd fd[fd]fd fd fd fd fd fd fd fd fd fd fd

  0x0c428000f250: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd

  0x0c428000f260: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd

  0x0c428000f270: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd

  0x0c428000f280: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd

  0x0c428000f290: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd

Shadow byte legend (one shadow byte represents 8 application bytes):

  Addressable:           00

  Partially addressable: 01 02 03 04 05 06 07 

  Heap left redzone:       fa

  Heap right redzone:      fb

  Freed heap region:       fd

  Stack left redzone:      f1

  Stack mid redzone:       f2

  Stack right redzone:     f3

  Stack partial redzone:   f4

  Stack after return:      f5

  Stack use after scope:   f8

  Global redzone:          f9

  Global init order:       f6

  Poisoned by user:        f7

  Container overflow:      fc

  Array cookie:            ac

  Intra object redzone:    bb

  ASan internal:           fe

  Left alloca redzone:     ca

  Right alloca redzone:    cb

==10527==ABORTING