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  1. MariaDB Server
  2. MDEV-18625

ASAN unknown-crash in my_copy_fix_mb / ha_mroonga::storage_inplace_alter_table_add_column

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      Description

      perl ./mtr mroonga/storage.column_generated_stored_add_column
      

      10.2 ASAN 40b4f9c9

      ==14058==ERROR: AddressSanitizer: unknown-crash on address 0x619000098e23 at pc 0x55b85fd9a261 bp 0x7f022da36330 sp 0x7f022da36328
      WRITE of size 7 at 0x619000098e23 thread T5
          #0 0x55b85fd9a260 in my_copy_fix_mb /data/src/10.2/strings/ctype-mb.c:410
          #1 0x55b85e8a3005 in String_copier::well_formed_copy(charset_info_st const*, char*, unsigned int, charset_info_st const*, char const*, unsigned int, unsigned int) /data/src/10.2/sql/sql_string.cc:1062
          #2 0x55b85ec71c4e in Field_varstring::store(char const*, unsigned int, charset_info_st const*) /data/src/10.2/sql/field.cc:7525
          #3 0x55b85ed194ab in Item::save_in_field(Field*, bool) /data/src/10.2/sql/item.cc:6365
          #4 0x55b85e972fdb in TABLE::update_virtual_field(Field*) /data/src/10.2/sql/table.cc:7675
          #5 0x7f0238583883 in ha_mroonga::storage_inplace_alter_table_add_column(TABLE*, Alter_inplace_info*) /data/src/10.2/storage/mroonga/ha_mroonga.cpp:15212
          #6 0x7f0238585f66 in ha_mroonga::storage_inplace_alter_table(TABLE*, Alter_inplace_info*) /data/src/10.2/storage/mroonga/ha_mroonga.cpp:15406
          #7 0x7f0238586777 in ha_mroonga::inplace_alter_table(TABLE*, Alter_inplace_info*) /data/src/10.2/storage/mroonga/ha_mroonga.cpp:15445
          #8 0x55b85e8ea209 in handler::ha_inplace_alter_table(TABLE*, Alter_inplace_info*) /data/src/10.2/sql/handler.h:3795
          #9 0x55b85e8d434b in mysql_inplace_alter_table /data/src/10.2/sql/sql_table.cc:7362
          #10 0x55b85e8e1534 in mysql_alter_table(THD*, char*, char*, HA_CREATE_INFO*, TABLE_LIST*, Alter_info*, unsigned int, st_order*, bool) /data/src/10.2/sql/sql_table.cc:9452
          #11 0x55b85ea0db10 in Sql_cmd_alter_table::execute(THD*) /data/src/10.2/sql/sql_alter.cc:329
          #12 0x55b85e6d5a35 in mysql_execute_command(THD*) /data/src/10.2/sql/sql_parse.cc:6231
          #13 0x55b85e6e056b in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) /data/src/10.2/sql/sql_parse.cc:8018
          #14 0x55b85e6baf58 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) /data/src/10.2/sql/sql_parse.cc:1829
          #15 0x55b85e6b7f77 in do_command(THD*) /data/src/10.2/sql/sql_parse.cc:1379
          #16 0x55b85e9ff687 in do_handle_one_connection(CONNECT*) /data/src/10.2/sql/sql_connect.cc:1336
          #17 0x55b85e9ff09c in handle_one_connection /data/src/10.2/sql/sql_connect.cc:1242
          #18 0x55b85f41cc95 in pfs_spawn_thread /data/src/10.2/storage/perfschema/pfs.cc:1862
          #19 0x7f024261d493 in start_thread (/lib/x86_64-linux-gnu/libpthread.so.0+0x7493)
          #20 0x7f0240a0393e in __clone (/lib/x86_64-linux-gnu/libc.so.6+0xe893e)
       
      0x619000098e23 is located 163 bytes inside of 1100-byte region [0x619000098d80,0x6190000991cc)
      allocated by thread T5 here:
          #0 0x7f024288773f in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.1+0x5473f)
          #1 0x55b85fd3ddcd in sf_malloc /data/src/10.2/mysys/safemalloc.c:118
          #2 0x55b85fd0cf53 in my_malloc /data/src/10.2/mysys/my_malloc.c:101
          #3 0x55b85fcede00 in alloc_root /data/src/10.2/mysys/my_alloc.c:242
          #4 0x55b85fcef65b in strmake_root /data/src/10.2/mysys/my_alloc.c:449
          #5 0x55b85e951fbb in open_table_from_share(THD*, TABLE_SHARE*, char const*, unsigned int, unsigned int, unsigned int, TABLE*, bool) /data/src/10.2/sql/table.cc:3048
          #6 0x55b85e5afc16 in open_table(THD*, TABLE_LIST*, Open_table_context*) /data/src/10.2/sql/sql_base.cc:1923
          #7 0x55b85e5b65cf in open_and_process_table /data/src/10.2/sql/sql_base.cc:3488
          #8 0x55b85e5b8dc0 in open_tables(THD*, DDL_options_st const&, TABLE_LIST**, unsigned int*, unsigned int, Prelocking_strategy*) /data/src/10.2/sql/sql_base.cc:4011
          #9 0x55b85e5bcacc in open_and_lock_tables(THD*, DDL_options_st const&, TABLE_LIST*, bool, unsigned int, Prelocking_strategy*) /data/src/10.2/sql/sql_base.cc:4767
          #10 0x55b85e59ded4 in open_and_lock_tables(THD*, TABLE_LIST*, bool, unsigned int) /data/src/10.2/sql/sql_base.h:506
          #11 0x55b85e664d1e in mysql_insert(THD*, TABLE_LIST*, List<Item>&, List<List<Item> >&, List<Item>&, List<Item>&, enum_duplicates, bool) /data/src/10.2/sql/sql_insert.cc:758
          #12 0x55b85e6c912a in mysql_execute_command(THD*) /data/src/10.2/sql/sql_parse.cc:4441
          #13 0x55b85e6e056b in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) /data/src/10.2/sql/sql_parse.cc:8018
          #14 0x55b85e6baf58 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) /data/src/10.2/sql/sql_parse.cc:1829
          #15 0x55b85e6b7f77 in do_command(THD*) /data/src/10.2/sql/sql_parse.cc:1379
          #16 0x55b85e9ff687 in do_handle_one_connection(CONNECT*) /data/src/10.2/sql/sql_connect.cc:1336
          #17 0x55b85e9ff09c in handle_one_connection /data/src/10.2/sql/sql_connect.cc:1242
          #18 0x55b85f41cc95 in pfs_spawn_thread /data/src/10.2/storage/perfschema/pfs.cc:1862
          #19 0x7f024261d493 in start_thread (/lib/x86_64-linux-gnu/libpthread.so.0+0x7493)
       
      Thread T5 created by T0 here:
          #0 0x7f0242856bba in pthread_create (/usr/lib/x86_64-linux-gnu/libasan.so.1+0x23bba)
          #1 0x55b85f41d25d in spawn_thread_v1 /data/src/10.2/storage/perfschema/pfs.cc:1912
          #2 0x55b85e4b469e in inline_mysql_thread_create /data/src/10.2/include/mysql/psi/mysql_thread.h:1239
          #3 0x55b85e4c963b in create_thread_to_handle_connection(CONNECT*) /data/src/10.2/sql/mysqld.cc:6466
          #4 0x55b85e4c9d40 in create_new_thread /data/src/10.2/sql/mysqld.cc:6536
          #5 0x55b85e4cad57 in handle_connections_sockets() /data/src/10.2/sql/mysqld.cc:6811
          #6 0x55b85e4c8b90 in mysqld_main(int, char**) /data/src/10.2/sql/mysqld.cc:6085
          #7 0x55b85e4b2a3f in main /data/src/10.2/sql/main.cc:25
          #8 0x7f024093b2b0 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x202b0)
       
      SUMMARY: AddressSanitizer: unknown-crash /data/src/10.2/strings/ctype-mb.c:410 my_copy_fix_mb
      Shadow bytes around the buggy address:
        0x0c328000b170: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
        0x0c328000b180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
        0x0c328000b190: 00 00 00 00 00 00 f7 f7 f7 04 fa fa fa fa fa fa
        0x0c328000b1a0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
        0x0c328000b1b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
      =>0x0c328000b1c0: 00 05 00 00[01]00 00 01 00 00 00 00 00 00 00 00
        0x0c328000b1d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
        0x0c328000b1e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
        0x0c328000b1f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
        0x0c328000b200: 00 00 00 00 00 00 00 00 00 00 00 00 04 00 00 f7
        0x0c328000b210: 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
        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
        Contiguous container OOB:fc
        ASan internal:           fe
      ==14058==ABORTING
      

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              • Assignee:
                serg Sergei Golubchik
                Reporter:
                elenst Elena Stepanova
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                • Created:
                  Updated:
                  Resolved: