Spider: heap-use-after-free in ha_spider::lock_tables(), heap freed by spider_commit()

--disable_query_log

--disable_result_log

--source ../../t/test_init.inc

--enable_result_log

--enable_query_log

CREATE DATABASE auto_test_local;

USE auto_test_local;

CREATE TABLE tbl_a (a INT) ENGINE=SPIDER;

FLUSH TABLE tbl_a WITH READ LOCK;

BEGIN;

DROP DATABASE auto_test_local;

--disable_query_log

--disable_result_log

--source ../../t/test_deinit.inc

--enable_result_log

--enable_query_log

=================================================================

==153765==ERROR: AddressSanitizer: heap-use-after-free on address 0x61f0000541ec at pc 0x7f218e572770 bp 0x7f218ec926b0 sp 0x7f218ec926a0

READ of size 4 at 0x61f0000541ec thread T16

    #0 0x7f218e57276f in ha_spider::lock_tables() /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/storage/spider/ha_spider.cc:16309

    #1 0x7f218e4d6a3b in ha_spider::external_lock(THD*, int) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/storage/spider/ha_spider.cc:1286

    #2 0x55d928ec682c in handler::ha_external_lock(THD*, int) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/handler.cc:6718

    #3 0x55d92892ebe1 in handler::ha_external_unlock(THD*) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/handler.h:3392

    #4 0x55d9291dd20b in unlock_external /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/lock.cc:727

    #5 0x55d9291da8ec in mysql_unlock_tables(THD*, st_mysql_lock*, bool) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/lock.cc:432

    #6 0x55d9291da70f in mysql_unlock_tables(THD*, st_mysql_lock*) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/lock.cc:415

    #7 0x55d9284b5694 in close_thread_tables(THD*) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/sql_base.cc:911

    #8 0x55d9284be26f in Locked_tables_list::unlock_locked_tables(THD*) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/sql_base.cc:2376

    #9 0x55d928aebf43 in trans_begin(THD*, unsigned int) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/transaction.cc:115

    #10 0x55d928672e8d in mysql_execute_command(THD*) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/sql_parse.cc:5674

    #11 0x55d928683719 in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/sql_parse.cc:8116

    #12 0x55d928658e7f in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/sql_parse.cc:1907

    #13 0x55d928655583 in do_command(THD*) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/sql_parse.cc:1375

    #14 0x55d928aaaf38 in do_handle_one_connection(CONNECT*, bool) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/sql_connect.cc:1418

    #15 0x55d928aaa76f in handle_one_connection /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/sql_connect.cc:1312

    #16 0x55d92973bbba in pfs_spawn_thread /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/storage/perfschema/pfs.cc:2201

    #17 0x7f219d563946  (/lib/x86_64-linux-gnu/libc.so.6+0x94946)

    #18 0x7f219d5f3a43 in __clone (/lib/x86_64-linux-gnu/libc.so.6+0x124a43)

0x61f0000541ec is located 364 bytes inside of 3120-byte region [0x61f000054080,0x61f000054cb0)

freed by thread T16 here:

    #0 0x7f219e090517 in __interceptor_free ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:127

    #1 0x55d92a3ef560 in my_free /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/mysys/my_malloc.c:211

    #2 0x7f218e4a50c7 in spider_free_mem(st_spider_transaction*, void*, unsigned long) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/storage/spider/spd_malloc.cc:188

    #3 0x7f218e3bfa38 in spider_free_conn(st_spider_conn*) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/storage/spider/spd_conn.cc:1404

    #4 0x7f218e3b80ab in spider_free_conn_from_trx(st_spider_transaction*, st_spider_conn*, bool, bool, int*) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/storage/spider/spd_conn.cc:420

    #5 0x7f218e2ee987 in spider_free_trx_conn(st_spider_transaction*, bool) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/storage/spider/spd_trx.cc:117

    #6 0x7f218e30c0b8 in spider_commit(handlerton*, THD*, bool) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/storage/spider/spd_trx.cc:3486

    #7 0x55d928e9bc95 in commit_one_phase_2 /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/handler.cc:1971

    #8 0x55d928e9b9a3 in ha_commit_one_phase(THD*, bool) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/handler.cc:1950

    #9 0x55d928e99c6a in ha_commit_trans(THD*, bool) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/handler.cc:1744

    #10 0x55d928aeed06 in trans_commit_stmt(THD*) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/transaction.cc:472

    #11 0x55d92867650e in mysql_execute_command(THD*) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/sql_parse.cc:6132

    #12 0x55d928683719 in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/sql_parse.cc:8116

    #13 0x55d928658e7f in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/sql_parse.cc:1907

    #14 0x55d928655583 in do_command(THD*) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/sql_parse.cc:1375

    #15 0x55d928aaaf38 in do_handle_one_connection(CONNECT*, bool) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/sql_connect.cc:1418

    #16 0x55d928aaa76f in handle_one_connection /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/sql_connect.cc:1312

    #17 0x55d92973bbba in pfs_spawn_thread /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/storage/perfschema/pfs.cc:2201

    #18 0x7f219d563946  (/lib/x86_64-linux-gnu/libc.so.6+0x94946)

previously allocated by thread T16 here:

    #0 0x7f219e090867 in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:145

    #1 0x55d92a3ee6d9 in my_malloc /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/mysys/my_malloc.c:90

    #2 0x7f218e4a5833 in spider_bulk_alloc_mem(st_spider_transaction*, unsigned int, char const*, char const*, unsigned long, unsigned long, ...) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/storage/spider/spd_malloc.cc:236

    #3 0x7f218e3b9162 in spider_create_conn(st_spider_share*, ha_spider*, int, int, unsigned int, int*) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/storage/spider/spd_conn.cc:593

    #4 0x7f218e3be84b in spider_get_conn(st_spider_share*, int, char*, st_spider_transaction*, ha_spider*, bool, bool, unsigned int, int*) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/storage/spider/spd_conn.cc:1218

    #5 0x7f218e432d07 in spider_get_share(char const*, TABLE*, THD*, ha_spider*, int*) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/storage/spider/spd_table.cc:5356

    #6 0x7f218e4cd66b in ha_spider::open(char const*, int, unsigned int) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/storage/spider/ha_spider.cc:444

    #7 0x55d928ea3f66 in handler::ha_open(TABLE*, char const*, int, unsigned int, st_mem_root*, List<String>*) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/handler.cc:3013

    #8 0x55d9289c64b1 in open_table_from_share(THD*, TABLE_SHARE*, st_mysql_const_lex_string const*, unsigned int, unsigned int, unsigned int, TABLE*, bool, List<String>*) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/table.cc:4252

    #9 0x55d9284bb4e8 in open_table(THD*, TABLE_LIST*, Open_table_context*) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/sql_base.cc:2001

    #10 0x55d9284c51dc in open_and_process_table /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/sql_base.cc:3788

    #11 0x55d9284c7e29 in open_tables(THD*, DDL_options_st const&, TABLE_LIST**, unsigned int*, unsigned int, Prelocking_strategy*) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/sql_base.cc:4271

    #12 0x55d9284cd177 in open_and_lock_tables(THD*, DDL_options_st const&, TABLE_LIST*, bool, unsigned int, Prelocking_strategy*) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/sql_base.cc:5218

    #13 0x55d928b46ea7 in open_and_lock_tables /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/sql_base.h:276

    #14 0x55d928b493cb in flush_tables_with_read_lock(THD*, TABLE_LIST*) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/sql_reload.cc:584

    #15 0x55d928671a2c in mysql_execute_command(THD*) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/sql_parse.cc:5481

    #16 0x55d928683719 in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/sql_parse.cc:8116

    #17 0x55d928658e7f in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/sql_parse.cc:1907

    #18 0x55d928655583 in do_command(THD*) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/sql_parse.cc:1375

    #19 0x55d928aaaf38 in do_handle_one_connection(CONNECT*, bool) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/sql_connect.cc:1418

    #20 0x55d928aaa76f in handle_one_connection /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/sql_connect.cc:1312

    #21 0x55d92973bbba in pfs_spawn_thread /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/storage/perfschema/pfs.cc:2201

    #22 0x7f219d563946  (/lib/x86_64-linux-gnu/libc.so.6+0x94946)

Thread T16 created by T0 here:

    #0 0x7f219e034685 in __interceptor_pthread_create ../../../../src/libsanitizer/asan/asan_interceptors.cpp:216

    #1 0x55d929737644 in my_thread_create /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/storage/perfschema/my_thread.h:52

    #2 0x55d92973bfad in pfs_spawn_thread_v1 /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/storage/perfschema/pfs.cc:2252

    #3 0x55d92833c702 in inline_mysql_thread_create /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/include/mysql/psi/mysql_thread.h:1323

    #4 0x55d928352f90 in create_thread_to_handle_connection(CONNECT*) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/mysqld.cc:6018

    #5 0x55d928353626 in create_new_thread(CONNECT*) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/mysqld.cc:6077

    #6 0x55d928353989 in handle_accepted_socket(st_mysql_socket, st_mysql_socket) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/mysqld.cc:6142

    #7 0x55d9283545d4 in handle_connections_sockets() /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/mysqld.cc:6269

    #8 0x55d928352764 in mysqld_main(int, char**) /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/mysqld.cc:5664

    #9 0x55d92833b1cc in main /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/sql/main.cc:25

    #10 0x7f219d4f8fcf  (/lib/x86_64-linux-gnu/libc.so.6+0x29fcf)

SUMMARY: AddressSanitizer: heap-use-after-free /home/nayuta_mariadb/repo/mariadb-server/bb-10.5-MDEV-27239/storage/spider/ha_spider.cc:16309 in ha_spider::lock_tables()

Shadow bytes around the buggy address:

  0x0c3e800027e0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa

  0x0c3e800027f0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa

  0x0c3e80002800: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa

  0x0c3e80002810: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd

  0x0c3e80002820: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd

=>0x0c3e80002830: fd fd fd fd fd fd fd fd fd fd fd fd fd[fd]fd fd

  0x0c3e80002840: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd

  0x0c3e80002850: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd

  0x0c3e80002860: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd

  0x0c3e80002870: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd

  0x0c3e80002880: 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

  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

  Shadow gap:              cc

==153765==ABORTING

----------SERVER LOG END-------------