ASAN errors in key_restore / myrocks::Rdb_key_def::pack_index_tuple

INSTALL SONAME 'ha_rocksdb';

CREATE TABLE t (id INT NOT NULL, i INT, PRIMARY KEY(id), KEY(i)) ENGINE=RocksDB WITH SYSTEM VERSIONING;

INSERT INTO t VALUES (1,1),(2,2); # Optional, fails either way

SELECT DISTINCT * FROM t WHERE i = 1 OR id > 8;

==3578269==ERROR: AddressSanitizer: use-after-poison on address 0x6210000c4650 at pc 0x7f0bb2ca0983 bp 0x7f0ba93d4b40 sp 0x7f0ba93d42f0

READ of size 4 at 0x6210000c4650 thread T5

    #0 0x7f0bb2ca0982 in __interceptor_memcpy ../../../../src/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:806

    #1 0x5607dfa799df in key_restore(unsigned char*, unsigned char const*, st_key*, unsigned int) /data/src/10.5/sql/key.cc:262

    #2 0x7f0ba82a668c in myrocks::Rdb_key_def::pack_index_tuple(TABLE*, unsigned char*, unsigned char*, unsigned char*, unsigned char const*, unsigned long const&) const /data/src/10.5/storage/rocksdb/rdb_datadic.cc:1009

    #3 0x7f0ba8196af0 in myrocks::ha_rocksdb::index_read_map_impl(unsigned char*, unsigned char const*, unsigned long, ha_rkey_function, st_key_range const*) /data/src/10.5/storage/rocksdb/ha_rocksdb.cc:8552

    #4 0x7f0ba8197b40 in myrocks::ha_rocksdb::read_range_first(st_key_range const*, st_key_range const*, bool, bool) /data/src/10.5/storage/rocksdb/ha_rocksdb.cc:8407

    #5 0x5607dfba2404 in QUICK_RANGE_SELECT::get_next_prefix(unsigned int, unsigned int, unsigned char*) /data/src/10.5/sql/opt_range.cc:12781

    #6 0x5607dfbaa6d9 in QUICK_GROUP_MIN_MAX_SELECT::next_prefix() /data/src/10.5/sql/opt_range.cc:15612

    #7 0x5607dfbacad2 in QUICK_GROUP_MIN_MAX_SELECT::get_next() /data/src/10.5/sql/opt_range.cc:15354

    #8 0x5607dfbc1262 in rr_quick /data/src/10.5/sql/records.cc:403

    #9 0x5607df0f0056 in sub_select(JOIN*, st_join_table*, bool) /data/src/10.5/sql/sql_select.cc:20928

    #10 0x5607df195891 in do_select /data/src/10.5/sql/sql_select.cc:20463

    #11 0x5607df195891 in JOIN::exec_inner() /data/src/10.5/sql/sql_select.cc:4540

    #12 0x5607df197312 in JOIN::exec() /data/src/10.5/sql/sql_select.cc:4320

    #13 0x5607df18ee52 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*) /data/src/10.5/sql/sql_select.cc:4797

    #14 0x5607df19199d in handle_select(THD*, LEX*, select_result*, unsigned long) /data/src/10.5/sql/sql_select.cc:444

    #15 0x5607df003094 in execute_sqlcom_select /data/src/10.5/sql/sql_parse.cc:6314

    #16 0x5607df02c69b in mysql_execute_command(THD*) /data/src/10.5/sql/sql_parse.cc:4005

    #17 0x5607df03169b in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) /data/src/10.5/sql/sql_parse.cc:8100

    #18 0x5607df0379b4 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) /data/src/10.5/sql/sql_parse.cc:1891

    #19 0x5607df03d2b2 in do_command(THD*) /data/src/10.5/sql/sql_parse.cc:1375

    #20 0x5607df39f0be in do_handle_one_connection(CONNECT*, bool) /data/src/10.5/sql/sql_connect.cc:1418

    #21 0x5607df39f76c in handle_one_connection /data/src/10.5/sql/sql_connect.cc:1312

    #22 0x5607dfeec204 in pfs_spawn_thread /data/src/10.5/storage/perfschema/pfs.cc:2201

    #23 0x7f0bb277cea6 in start_thread nptl/pthread_create.c:477

    #24 0x7f0bb2379dee in __clone (/lib/x86_64-linux-gnu/libc.so.6+0xfddee)

0x6210000c4650 is located 336 bytes inside of 4080-byte region [0x6210000c4500,0x6210000c54f0)

allocated by thread T5 here:

    #0 0x7f0bb2d10e8f in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:145

    #1 0x5607e089cf08 in my_malloc /data/src/10.5/mysys/my_malloc.c:90

    #2 0x5607e08893dd in alloc_root /data/src/10.5/mysys/my_alloc.c:244

    #3 0x5607dfb5214a in QUICK_GROUP_MIN_MAX_SELECT::init() /data/src/10.5/sql/opt_range.cc:15012

    #4 0x5607dfb5214a in QUICK_GROUP_MIN_MAX_SELECT::init() /data/src/10.5/sql/opt_range.cc:15003

    #5 0x5607dfbaa192 in TRP_GROUP_MIN_MAX::make_quick(PARAM*, bool, st_mem_root*) /data/src/10.5/sql/opt_range.cc:14853

    #6 0x5607dfb90765 in SQL_SELECT::test_quick_select(THD*, Bitmap<64u>, unsigned long long, unsigned long long, bool, bool, bool, bool) /data/src/10.5/sql/opt_range.cc:3057

    #7 0x5607df17a205 in get_quick_record_count /data/src/10.5/sql/sql_select.cc:4841

    #8 0x5607df17a205 in make_join_statistics /data/src/10.5/sql/sql_select.cc:5568

    #9 0x5607df18ca77 in JOIN::optimize_inner() /data/src/10.5/sql/sql_select.cc:2313

    #10 0x5607df18ea7c in JOIN::optimize() /data/src/10.5/sql/sql_select.cc:1671

    #11 0x5607df18ecf9 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*) /data/src/10.5/sql/sql_select.cc:4783

    #12 0x5607df19199d in handle_select(THD*, LEX*, select_result*, unsigned long) /data/src/10.5/sql/sql_select.cc:444

    #13 0x5607df003094 in execute_sqlcom_select /data/src/10.5/sql/sql_parse.cc:6314

    #14 0x5607df02c69b in mysql_execute_command(THD*) /data/src/10.5/sql/sql_parse.cc:4005

    #15 0x5607df03169b in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) /data/src/10.5/sql/sql_parse.cc:8100

    #16 0x5607df0379b4 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) /data/src/10.5/sql/sql_parse.cc:1891

    #17 0x5607df03d2b2 in do_command(THD*) /data/src/10.5/sql/sql_parse.cc:1375

    #18 0x5607df39f0be in do_handle_one_connection(CONNECT*, bool) /data/src/10.5/sql/sql_connect.cc:1418

    #19 0x5607df39f76c in handle_one_connection /data/src/10.5/sql/sql_connect.cc:1312

    #20 0x5607dfeec204 in pfs_spawn_thread /data/src/10.5/storage/perfschema/pfs.cc:2201

    #21 0x7f0bb277cea6 in start_thread nptl/pthread_create.c:477

Thread T5 created by T0 here:

    #0 0x7f0bb2cbc2a2 in __interceptor_pthread_create ../../../../src/libsanitizer/asan/asan_interceptors.cpp:214

    #1 0x5607dfeec492 in my_thread_create /data/src/10.5/storage/perfschema/my_thread.h:52

    #2 0x5607dfeec492 in pfs_spawn_thread_v1 /data/src/10.5/storage/perfschema/pfs.cc:2252

    #3 0x5607ded9668b in inline_mysql_thread_create /data/src/10.5/include/mysql/psi/mysql_thread.h:1323

    #4 0x5607ded9668b in create_thread_to_handle_connection(CONNECT*) /data/src/10.5/sql/mysqld.cc:6051

    #5 0x5607deda1f02 in handle_accepted_socket(st_mysql_socket, st_mysql_socket) /data/src/10.5/sql/mysqld.cc:6175

    #6 0x5607deda2913 in handle_connections_sockets() /data/src/10.5/sql/mysqld.cc:6302

    #7 0x5607deda45fb in mysqld_main(int, char**) /data/src/10.5/sql/mysqld.cc:5697

    #8 0x7f0bb22a2d09 in __libc_start_main ../csu/libc-start.c:308

SUMMARY: AddressSanitizer: use-after-poison ../../../../src/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:806 in __interceptor_memcpy

Shadow bytes around the buggy address:

  0x0c4280010870: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa

  0x0c4280010880: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa

  0x0c4280010890: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa

  0x0c42800108a0: 00 00 00 00 00 00 f7 00 02 f7 00 00 01 f7 07 f7

  0x0c42800108b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00

=>0x0c42800108c0: f7 04 f7 00 00 00 00 00 f7 00[f7]00 f7 00 00 00

  0x0c42800108d0: 00 00 00 00 00 00 00 00 00 f7 f7 f7 f7 f7 f7 f7

  0x0c42800108e0: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7

  0x0c42800108f0: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7

  0x0c4280010900: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7

  0x0c4280010910: 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

  Shadow gap:              cc

==3578269==ABORTING