CREATE TABLE t (f VARCHAR(512));

INSERT INTO t VALUES ('a'),('b');

SELECT * FROM t HAVING f = 'foo';

# Cleanup

DROP TABLE t;

==12425==ERROR: AddressSanitizer: use-after-poison on address 0x62b000063140 at pc 0x5575bb0b2423 bp 0x7fbe01b33a90 sp 0x7fbe01b33a88

READ of size 8 at 0x62b000063140 thread T5

    #0 0x5575bb0b2422 in Item_direct_view_ref::get_null_ref_table() const /data/src/10.4/sql/item.h:5643

    #1 0x5575bb04cf8b in check_simple_equality(THD*, Value_source::Context const&, Item*, Item*, COND_EQUAL*) /data/src/10.4/sql/sql_select.cc:14342

    #2 0x5575bb04eeb4 in Item_func_eq::check_equality(THD*, COND_EQUAL*, List<Item>*) /data/src/10.4/sql/sql_select.cc:14678

    #3 0x5575bb04fcbe in Item_func_eq::build_equal_items(THD*, COND_EQUAL*, bool, COND_EQUAL**) /data/src/10.4/sql/sql_select.cc:14895

    #4 0x5575bb050d60 in build_equal_items /data/src/10.4/sql/sql_select.cc:15065

    #5 0x5575bb059c31 in optimize_cond /data/src/10.4/sql/sql_select.cc:16706

    #6 0x5575baff1e71 in JOIN::optimize_inner() /data/src/10.4/sql/sql_select.cc:1952

    #7 0x5575bafee44a in JOIN::optimize() /data/src/10.4/sql/sql_select.cc:1563

    #8 0x5575bb00b5ca 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/10.4/sql/sql_select.cc:4592

    #9 0x5575bafe2316 in handle_select(THD*, LEX*, select_result*, unsigned long) /data/src/10.4/sql/sql_select.cc:425

    #10 0x5575baf67a77 in execute_sqlcom_select /data/src/10.4/sql/sql_parse.cc:6356

    #11 0x5575baf55fac in mysql_execute_command(THD*) /data/src/10.4/sql/sql_parse.cc:3898

    #12 0x5575baf6fc2b in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) /data/src/10.4/sql/sql_parse.cc:7908

    #13 0x5575baf4a15f in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) /data/src/10.4/sql/sql_parse.cc:1843

    #14 0x5575baf4706d in do_command(THD*) /data/src/10.4/sql/sql_parse.cc:1360

    #15 0x5575bb2bbcca in do_handle_one_connection(CONNECT*) /data/src/10.4/sql/sql_connect.cc:1404

    #16 0x5575bb2bb67e in handle_one_connection /data/src/10.4/sql/sql_connect.cc:1306

    #17 0x5575bc63a99f in pfs_spawn_thread /data/src/10.4/storage/perfschema/pfs.cc:1862

    #18 0x7fbe0c3344a3 in start_thread (/lib/x86_64-linux-gnu/libpthread.so.0+0x74a3)

    #19 0x7fbe0a87cd0e in __clone (/lib/x86_64-linux-gnu/libc.so.6+0xe8d0e)

0x62b000063140 is located 3904 bytes inside of 24716-byte region [0x62b000062200,0x62b00006828c)

allocated by thread T5 here:

    #0 0x7fbe0c60bd28 in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.3+0xc1d28)

    #1 0x5575bc763d9e in sf_malloc /data/src/10.4/mysys/safemalloc.c:118

    #2 0x5575bc736099 in my_malloc /data/src/10.4/mysys/my_malloc.c:101

    #3 0x5575bc715fa3 in reset_root_defaults /data/src/10.4/mysys/my_alloc.c:151

    #4 0x5575bae4f93f in THD::init_for_queries() /data/src/10.4/sql/sql_class.cc:1387

    #5 0x5575bb2bb03b in prepare_new_connection_state(THD*) /data/src/10.4/sql/sql_connect.cc:1237

    #6 0x5575bb2bb6c4 in thd_prepare_connection(THD*) /data/src/10.4/sql/sql_connect.cc:1321

    #7 0x5575bb2bbc74 in do_handle_one_connection(CONNECT*) /data/src/10.4/sql/sql_connect.cc:1391

    #8 0x5575bb2bb67e in handle_one_connection /data/src/10.4/sql/sql_connect.cc:1306

    #9 0x5575bc63a99f in pfs_spawn_thread /data/src/10.4/storage/perfschema/pfs.cc:1862

    #10 0x7fbe0c3344a3 in start_thread (/lib/x86_64-linux-gnu/libpthread.so.0+0x74a3)

Thread T5 created by T0 here:

    #0 0x7fbe0c57af59 in __interceptor_pthread_create (/usr/lib/x86_64-linux-gnu/libasan.so.3+0x30f59)

    #1 0x5575bc63ad8c in spawn_thread_v1 /data/src/10.4/storage/perfschema/pfs.cc:1912

    #2 0x5575bacaf148 in inline_mysql_thread_create /data/src/10.4/include/mysql/psi/mysql_thread.h:1268

    #3 0x5575bacc327a in create_thread_to_handle_connection(CONNECT*) /data/src/10.4/sql/mysqld.cc:6238

    #4 0x5575bacc395d in create_new_thread(CONNECT*) /data/src/10.4/sql/mysqld.cc:6308

    #5 0x5575bacc3ce8 in handle_accepted_socket(st_mysql_socket, st_mysql_socket) /data/src/10.4/sql/mysqld.cc:6406

    #6 0x5575bacc493a in handle_connections_sockets() /data/src/10.4/sql/mysqld.cc:6564

    #7 0x5575bacc2afb in mysqld_main(int, char**) /data/src/10.4/sql/mysqld.cc:5896

    #8 0x5575bacad02f in main /data/src/10.4/sql/main.cc:25

    #9 0x7fbe0a7b42e0 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x202e0)

SUMMARY: AddressSanitizer: use-after-poison /data/src/10.4/sql/item.h:5643 in Item_direct_view_ref::get_null_ref_table() const

Shadow bytes around the buggy address:

  0x0c56800045d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

  0x0c56800045e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

  0x0c56800045f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f7 05

  0x0c5680004600: f7 00 00 f7 02 f7 00 00 00 00 00 00 00 00 00 00

  0x0c5680004610: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

=>0x0c5680004620: 00 00 00 00 00 00 f7 04[f7]00 00 00 00 00 00 00

  0x0c5680004630: 00 00 00 00 00 00 00 00 00 00 f7 00 02 f7 00 00

  0x0c5680004640: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

  0x0c5680004650: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

  0x0c5680004660: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

  0x0c5680004670: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

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

==12425==ABORTING