[MDEV-31971] ASAN errors in ha_mroonga::storage_encode_key_fixed_size_string upon using prefixed key Created: 2023-08-20  Updated: 2023-11-28

Status: Confirmed
Project: MariaDB Server
Component/s: Storage Engine - Mroonga
Affects Version/s: 10.4, 10.5, 10.6, 10.10, 10.11, 11.0, 11.1
Fix Version/s: 10.4, 10.5, 10.6, 10.11, 11.0, 11.1

Type: Bug Priority: Major
Reporter: Elena Stepanova Assignee: Unassigned
Resolution: Unresolved Votes: 0
Labels: None


 Description   

INSTALL SONAME 'ha_mroonga';
 
CREATE TABLE t (a char(128), KEY(a(32))) ENGINE=Mroonga;
INSERT INTO t VALUES ('foo'),('bar');
DELETE FROM t WHERE a IS NULL;
 
# Cleanup
DROP TABLE t;
UNINSTALL SONAME 'ha_mroonga';

10.4 900c4d69

==3640855==ERROR: AddressSanitizer: use-after-poison on address 0x621000116d82 at pc 0x7fc527c4814b bp 0x7fc51f9072c0 sp 0x7fc51f906a70
READ of size 128 at 0x621000116d82 thread T5
    #0 0x7fc527c4814a in __interceptor_memcpy ../../../../src/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:827
    #1 0x7fc51e58fb6c in ha_mroonga::storage_encode_key_fixed_size_string(Field*, unsigned char const*, unsigned char*, unsigned int*) /data/src/10.4/storage/mroonga/ha_mroonga.cpp:11586
    #2 0x7fc51e59680b in ha_mroonga::storage_encode_key(Field*, unsigned char const*, unsigned char*, unsigned int*) /data/src/10.4/storage/mroonga/ha_mroonga.cpp:12078
    #3 0x7fc51e557e4c in ha_mroonga::storage_records_in_range(unsigned int, st_key_range*, st_key_range*) /data/src/10.4/storage/mroonga/ha_mroonga.cpp:7525
    #4 0x7fc51e559495 in ha_mroonga::records_in_range(unsigned int, st_key_range*, st_key_range*) /data/src/10.4/storage/mroonga/ha_mroonga.cpp:7636
    #5 0x55bebfb27717 in handler::multi_range_read_info_const(unsigned int, st_range_seq_if*, void*, unsigned int, unsigned int*, unsigned int*, Cost_estimate*) /data/src/10.4/sql/multi_range_read.cc:126
    #6 0x7fc51e59ab7c in ha_mroonga::storage_multi_range_read_info_const(unsigned int, st_range_seq_if*, void*, unsigned int, unsigned int*, unsigned int*, Cost_estimate*) /data/src/10.4/storage/mroonga/ha_mroonga.cpp:12375
    #7 0x7fc51e59af22 in ha_mroonga::multi_range_read_info_const(unsigned int, st_range_seq_if*, void*, unsigned int, unsigned int*, unsigned int*, Cost_estimate*) /data/src/10.4/storage/mroonga/ha_mroonga.cpp:12396
    #8 0x55bec020e275 in check_quick_select /data/src/10.4/sql/opt_range.cc:11258
    #9 0x55bec01f4b14 in get_key_scans_params /data/src/10.4/sql/opt_range.cc:7467
    #10 0x55bec01d7c22 in SQL_SELECT::test_quick_select(THD*, Bitmap<64u>, unsigned long long, unsigned long long, bool, bool, bool, bool) /data/src/10.4/sql/opt_range.cc:2943
    #11 0x55bebf95ab5f in SQL_SELECT::check_quick(THD*, bool, unsigned long long) /data/src/10.4/sql/opt_range.h:1654
    #12 0x55bec0297ee3 in mysql_delete(THD*, TABLE_LIST*, Item*, SQL_I_List<st_order>*, unsigned long long, unsigned long long, select_result*) /data/src/10.4/sql/sql_delete.cc:530
    #13 0x55bebf67a975 in mysql_execute_command(THD*) /data/src/10.4/sql/sql_parse.cc:4815
    #14 0x55bebf690a76 in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) /data/src/10.4/sql/sql_parse.cc:8010
    #15 0x55bebf666d41 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) /data/src/10.4/sql/sql_parse.cc:1857
    #16 0x55bebf6638b0 in do_command(THD*) /data/src/10.4/sql/sql_parse.cc:1378
    #17 0x55bebfa62e0f in do_handle_one_connection(CONNECT*) /data/src/10.4/sql/sql_connect.cc:1420
    #18 0x55bebfa62726 in handle_one_connection /data/src/10.4/sql/sql_connect.cc:1324
    #19 0x55bec06d2e1f in pfs_spawn_thread /data/src/10.4/storage/perfschema/pfs.cc:1869
    #20 0x7fc5276a7fd3 in start_thread nptl/pthread_create.c:442
    #21 0x7fc5277285bb in clone3 ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
 
0x621000116d82 is located 130 bytes inside of 4064-byte region [0x621000116d00,0x621000117ce0)
allocated by thread T5 here:
    #0 0x7fc527cb89cf in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:69
    #1 0x55bec121c882 in my_malloc /data/src/10.4/mysys/my_malloc.c:101
    #2 0x55bec11f92a8 in alloc_root /data/src/10.4/mysys/my_alloc.c:251
    #3 0x55bec01d6083 in SQL_SELECT::test_quick_select(THD*, Bitmap<64u>, unsigned long long, unsigned long long, bool, bool, bool, bool) /data/src/10.4/sql/opt_range.cc:2752
    #4 0x55bebf95ab5f in SQL_SELECT::check_quick(THD*, bool, unsigned long long) /data/src/10.4/sql/opt_range.h:1654
    #5 0x55bec0297ee3 in mysql_delete(THD*, TABLE_LIST*, Item*, SQL_I_List<st_order>*, unsigned long long, unsigned long long, select_result*) /data/src/10.4/sql/sql_delete.cc:530
    #6 0x55bebf67a975 in mysql_execute_command(THD*) /data/src/10.4/sql/sql_parse.cc:4815
    #7 0x55bebf690a76 in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) /data/src/10.4/sql/sql_parse.cc:8010
    #8 0x55bebf666d41 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) /data/src/10.4/sql/sql_parse.cc:1857
    #9 0x55bebf6638b0 in do_command(THD*) /data/src/10.4/sql/sql_parse.cc:1378
    #10 0x55bebfa62e0f in do_handle_one_connection(CONNECT*) /data/src/10.4/sql/sql_connect.cc:1420
    #11 0x55bebfa62726 in handle_one_connection /data/src/10.4/sql/sql_connect.cc:1324
    #12 0x55bec06d2e1f in pfs_spawn_thread /data/src/10.4/storage/perfschema/pfs.cc:1869
    #13 0x7fc5276a7fd3 in start_thread nptl/pthread_create.c:442
 
Thread T5 created by T0 here:
    #0 0x7fc527c49726 in __interceptor_pthread_create ../../../../src/libsanitizer/asan/asan_interceptors.cpp:207
    #1 0x55bec06d320c in spawn_thread_v1 /data/src/10.4/storage/perfschema/pfs.cc:1919
    #2 0x55bebf36ef89 in inline_mysql_thread_create /data/src/10.4/include/mysql/psi/mysql_thread.h:1275
    #3 0x55bebf386690 in create_thread_to_handle_connection(CONNECT*) /data/src/10.4/sql/mysqld.cc:6287
    #4 0x55bebf386ddb in create_new_thread(CONNECT*) /data/src/10.4/sql/mysqld.cc:6357
    #5 0x55bebf3872a9 in handle_accepted_socket(st_mysql_socket, st_mysql_socket) /data/src/10.4/sql/mysqld.cc:6455
    #6 0x55bebf388155 in handle_connections_sockets() /data/src/10.4/sql/mysqld.cc:6613
    #7 0x55bebf385df3 in mysqld_main(int, char**) /data/src/10.4/sql/mysqld.cc:5945
    #8 0x55bebf36d0b8 in main /data/src/10.4/sql/main.cc:25
    #9 0x7fc527646189 in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58
 
SUMMARY: AddressSanitizer: use-after-poison ../../../../src/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:827 in __interceptor_memcpy
Shadow bytes around the buggy address:
  0x0c428001ad60: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c428001ad70: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c428001ad80: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c428001ad90: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c428001ada0: 00 00 00 00 f7 00 00 00 00 f7 04 f7 00 00 00 00
=>0x0c428001adb0:[02]f7 00 00 00 00 02 f7 00 00 00 00 00 00 00 00
  0x0c428001adc0: 00 00 00 00 00 00 00 f7 00 f7 00 00 00 00 00 00
  0x0c428001add0: 00 00 00 00 00 00 00 f7 00 f7 f7 f7 f7 f7 f7 f7
  0x0c428001ade0: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x0c428001adf0: f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7 f7
  0x0c428001ae00: 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
==3640855==ABORTING


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