Item_func_eq::val_bool is doing a string comparison

Version: '11.8.1-MariaDB-log'  socket: '/build/mysql-test/var/tmp/3/mysqld.1.sock'  port: 19180  Source distribution

/source/sql/sql_string.cc:846:28: runtime error: null pointer passed as argument 1, which is declared to never be null

/source/include/m_ctype.h:1104:33: note: nonnull attribute specified here

    #0 0x55b5f3d05a4e in sortcmp(Binary_string const*, Binary_string const*, charset_info_st const*) /source/sql/sql_string.cc:846:13

    #1 0x55b5f478a977 in Arg_comparator::compare() /source/sql/item_cmpfunc.h:114:33

    #2 0x55b5f478a977 in Item_func_eq::val_bool() /source/sql/item_cmpfunc.cc:1912:18

    #3 0x55b5f3574873 in Item_bool_func::val_int() /source/sql/item_cmpfunc.h:245:12

    #4 0x55b5f4264b8f in Type_handler::Item_send_long(Item*, Protocol*, st_value*) const /source/sql/sql_type.cc:7697:22

    #5 0x55b5f35ae092 in Protocol::send_result_set_row(List<Item>*) /source/sql/protocol.cc:1353:15

    #6 0x55b5f37be607 in select_send::send_data(List<Item>&) /source/sql/sql_class.cc:3294:17

    #7 0x55b5f3b36363 in JOIN::exec_inner() /source/sql/sql_select.cc:4930:22

    #8 0x55b5f3b345fb in JOIN::exec() /source/sql/sql_select.cc:4842:8

    #9 0x55b5f3abbd83 in mysql_select(THD*, TABLE_LIST*, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_select_lex*) /source/sql/sql_select.cc:5375:21

    #10 0x55b5f3aba453 in handle_select(THD*, LEX*, select_result*, unsigned long long) /source/sql/sql_select.cc:633:10

    #11 0x55b5f39c0e0e in execute_sqlcom_select(THD*, TABLE_LIST*) /source/sql/sql_parse.cc:6191:12

    #12 0x55b5f39a53aa in mysql_execute_command(THD*, bool) /source/sql/sql_parse.cc:3979:12

    #13 0x55b5f3989b06 in mysql_parse(THD*, char*, unsigned int, Parser_state*) /source/sql/sql_parse.cc:7915:18

    #14 0x55b5f3981da6 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool) /source/sql/sql_parse.cc:1902:7

    #15 0x55b5f398ba6b in do_command(THD*, bool) /source/sql/sql_parse.cc:1415:17

    #16 0x55b5f3f8097c in do_handle_one_connection(CONNECT*, bool) /source/sql/sql_connect.cc:1415:11

    #17 0x55b5f3f802fe in handle_one_connection /source/sql/sql_connect.cc:1327:5

    #18 0x55b5f3451586 in asan_thread_start(void*) asan_interceptors.cpp.o

    #19 0x7faac345c1f4  (/lib/x86_64-linux-gnu/libc.so.6+0x891f4) (BuildId: 79005c16293efa45b441fed45f4f29b138557e9e)

    #20 0x7faac34dc89b  (/lib/x86_64-linux-gnu/libc.so.6+0x10989b) (BuildId: 79005c16293efa45b441fed45f4f29b138557e9e)

SUMMARY: UndefinedBehaviorSanitizer: invalid-null-argument /source/sql/sql_string.cc:846:28 

2025-04-09  8:36:19 5 [Note] Error reading binlog GTID index, will fallback to slower sequential binlog scan. Error is: Corrupt page, invalid checksum

2025-04-09  8:36:19 5 [Note] Error reading binlog GTID index, will fallback to slower sequential binlog scan. Error is: Corrupt page, invalid checksum

2025-04-09  8:36:19 0 [Note] /build/sql/mariadbd (initiated by: unknown): Normal shutdown

2025-04-09  8:36:19 0 [Note] /build/sql/mariadbd: Shutdown complete