ASAN errors in grn_bulk_write or wrong result upon inserting into Mroonga table with INET/UUID field

INSTALL SONAME 'ha_mroonga';

CREATE TABLE t (a INET6) ENGINE=Mroonga;

INSERT INTO t VALUES ('::');

SELECT * FROM t;

# Cleanup

DROP TABLE t;

UNINSTALL SONAME 'ha_mroonga';

==3697303==ERROR: AddressSanitizer: unknown-crash on address 0x61900009d3d9 at pc 0x7fdc3544814b bp 0x7fdc2bb75d00 sp 0x7fdc2bb754b0

READ of size 39 at 0x61900009d3d9 thread T5

    #0 0x7fdc3544814a in __interceptor_memcpy ../../../../src/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:827

    #1 0x7fdc2a17bba6 in grn_bulk_write /data/bld/10.5-asan/storage/mroonga/vendor/groonga/lib/str.c:1967

    #2 0x7fdc2a17bcd3 in grn_bulk_write_from /data/bld/10.5-asan/storage/mroonga/vendor/groonga/lib/str.c:1977

    #3 0x7fdc29a1372a in ha_mroonga::generic_store_bulk_fixed_size_string(Field*, _grn_obj*) /data/bld/10.5-asan/storage/mroonga/ha_mroonga.cpp:10326

    #4 0x7fdc29a1abe7 in ha_mroonga::generic_store_bulk(Field*, _grn_obj*) /data/bld/10.5-asan/storage/mroonga/ha_mroonga.cpp:10829

    #5 0x7fdc299d5435 in ha_mroonga::storage_write_row(unsigned char const*) /data/bld/10.5-asan/storage/mroonga/ha_mroonga.cpp:6104

    #6 0x7fdc299da5a6 in ha_mroonga::write_row(unsigned char const*) /data/bld/10.5-asan/storage/mroonga/ha_mroonga.cpp:6427

    #7 0x559698f26c0b in handler::ha_write_row(unsigned char const*) /data/bld/10.5-asan/sql/handler.cc:7278

    #8 0x55969861d611 in write_record(THD*, TABLE*, st_copy_info*, select_result*) /data/bld/10.5-asan/sql/sql_insert.cc:2161

    #9 0x559698614eb1 in mysql_insert(THD*, TABLE_LIST*, List<Item>&, List<List<Item> >&, List<Item>&, List<Item>&, enum_duplicates, bool, select_result*) /data/bld/10.5-asan/sql/sql_insert.cc:1127

    #10 0x5596986df4cb in mysql_execute_command(THD*) /data/bld/10.5-asan/sql/sql_parse.cc:4643

    #11 0x5596986f7c14 in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) /data/bld/10.5-asan/sql/sql_parse.cc:8170

    #12 0x5596986cd319 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) /data/bld/10.5-asan/sql/sql_parse.cc:1891

    #13 0x5596986c9cac in do_command(THD*) /data/bld/10.5-asan/sql/sql_parse.cc:1375

    #14 0x559698b1d383 in do_handle_one_connection(CONNECT*, bool) /data/bld/10.5-asan/sql/sql_connect.cc:1415

    #15 0x559698b1cd4b in handle_one_connection /data/bld/10.5-asan/sql/sql_connect.cc:1317

    #16 0x55969975ff89 in pfs_spawn_thread /data/bld/10.5-asan/storage/perfschema/pfs.cc:2201

    #17 0x7fdc34aa8043 in start_thread nptl/pthread_create.c:442

    #18 0x7fdc34b2861b in clone3 ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

0x61900009d3d9 is located 89 bytes inside of 1008-byte region [0x61900009d380,0x61900009d770)

allocated by thread T5 here:

    #0 0x7fdc354b89cf in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:69

    #1 0x55969a3acf9d in my_malloc /data/bld/10.5-asan/mysys/my_malloc.c:91

    #2 0x55969a389df7 in alloc_root /data/bld/10.5-asan/mysys/my_alloc.c:244

    #3 0x55969a38b4e5 in strmake_root /data/bld/10.5-asan/mysys/my_alloc.c:494

    #4 0x559698a39df4 in open_table_from_share(THD*, TABLE_SHARE*, st_mysql_const_lex_string const*, unsigned int, unsigned int, unsigned int, TABLE*, bool, List<String>*) /data/bld/10.5-asan/sql/table.cc:4014

    #5 0x5596985360f1 in open_table(THD*, TABLE_LIST*, Open_table_context*) /data/bld/10.5-asan/sql/sql_base.cc:2022

    #6 0x55969853fad5 in open_and_process_table /data/bld/10.5-asan/sql/sql_base.cc:3817

    #7 0x559698542602 in open_tables(THD*, DDL_options_st const&, TABLE_LIST**, unsigned int*, unsigned int, Prelocking_strategy*) /data/bld/10.5-asan/sql/sql_base.cc:4301

    #8 0x55969854773a in open_and_lock_tables(THD*, DDL_options_st const&, TABLE_LIST*, bool, unsigned int, Prelocking_strategy*) /data/bld/10.5-asan/sql/sql_base.cc:5248

    #9 0x55969849d601 in open_and_lock_tables(THD*, TABLE_LIST*, bool, unsigned int) /data/bld/10.5-asan/sql/sql_base.h:507

    #10 0x559698612823 in mysql_insert(THD*, TABLE_LIST*, List<Item>&, List<List<Item> >&, List<Item>&, List<Item>&, enum_duplicates, bool, select_result*) /data/bld/10.5-asan/sql/sql_insert.cc:760

    #11 0x5596986df4cb in mysql_execute_command(THD*) /data/bld/10.5-asan/sql/sql_parse.cc:4643

    #12 0x5596986f7c14 in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) /data/bld/10.5-asan/sql/sql_parse.cc:8170

    #13 0x5596986cd319 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) /data/bld/10.5-asan/sql/sql_parse.cc:1891

    #14 0x5596986c9cac in do_command(THD*) /data/bld/10.5-asan/sql/sql_parse.cc:1375

    #15 0x559698b1d383 in do_handle_one_connection(CONNECT*, bool) /data/bld/10.5-asan/sql/sql_connect.cc:1415

    #16 0x559698b1cd4b in handle_one_connection /data/bld/10.5-asan/sql/sql_connect.cc:1317

    #17 0x55969975ff89 in pfs_spawn_thread /data/bld/10.5-asan/storage/perfschema/pfs.cc:2201

    #18 0x7fdc34aa8043 in start_thread nptl/pthread_create.c:442

Thread T5 created by T0 here:

    #0 0x7fdc35449726 in __interceptor_pthread_create ../../../../src/libsanitizer/asan/asan_interceptors.cpp:207

    #1 0x55969975bcbc in my_thread_create /data/bld/10.5-asan/storage/perfschema/my_thread.h:52

    #2 0x559699760378 in pfs_spawn_thread_v1 /data/bld/10.5-asan/storage/perfschema/pfs.cc:2252

    #3 0x5596983b9fcc in inline_mysql_thread_create /data/bld/10.5-asan/include/mysql/psi/mysql_thread.h:1323

    #4 0x5596983cfd86 in create_thread_to_handle_connection(CONNECT*) /data/bld/10.5-asan/sql/mysqld.cc:6070

    #5 0x5596983d0397 in create_new_thread(CONNECT*) /data/bld/10.5-asan/sql/mysqld.cc:6129

    #6 0x5596983d066a in handle_accepted_socket(st_mysql_socket, st_mysql_socket) /data/bld/10.5-asan/sql/mysqld.cc:6194

    #7 0x5596983d125b in handle_connections_sockets() /data/bld/10.5-asan/sql/mysqld.cc:6321

    #8 0x5596983cf603 in mysqld_main(int, char**) /data/bld/10.5-asan/sql/mysqld.cc:5716

    #9 0x5596983b8978 in main /data/bld/10.5-asan/sql/main.cc:25

    #10 0x7fdc34a461c9 in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58

SUMMARY: AddressSanitizer: unknown-crash ../../../../src/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:827 in __interceptor_memcpy

Shadow bytes around the buggy address:

  0x0c328000ba20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

  0x0c328000ba30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

  0x0c328000ba40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

  0x0c328000ba50: 00 fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa

  0x0c328000ba60: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa

=>0x0c328000ba70: 00 00 00 00 00 00 f7 02 f7 00 00[01]00 00 01 f7

  0x0c328000ba80: 00 00 f7 f7 f7 f7 00 00 00 00 00 00 00 00 00 00

  0x0c328000ba90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

  0x0c328000baa0: f7 00 00 00 04 f7 00 00 f7 f7 f7 f7 f7 f7 f7 f7

  0x0c328000bab0: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7

  0x0c328000bac0: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7

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

  Freed heap region:       fd

  Stack left redzone:      f1

  Stack mid redzone:       f2

  Stack right redzone:     f3

  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

==3697303==ABORTING

CREATE TABLE t (a INET6) ENGINE=Mroonga;

INSERT INTO t VALUES ('::');

SELECT * FROM t;

a

NULL

DROP TABLE t;