Details
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Bug
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Status: Closed (View Workflow)
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Major
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Resolution: Duplicate
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11.4.1
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None
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Ubuntu 20.04 64bit, AddressSanitizer Enabled
Description
PoC:
SELECT CONVERT_TZ(MAX(GREATEST(DATE('2021-00-00'), DATE('2021-00-00'))), '+00:00', '+7:5'); |
ASAN report:
==14549==ERROR: AddressSanitizer: global-buffer-overflow on address 0x000002660a1c at pc 0x000000f137f2 bp 0x7f8d49ad6fd0 sp 0x7f8d49ad6fc8
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READ of size 4 at 0x000002660a1c thread T11
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#0 0xf137f1 in sec_since_epoch(int, int, int, int, int, int) /root/mariadb/sql/tztime.cc:781:10
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#1 0xf137f1 in Time_zone_offset::TIME_to_gmt_sec(st_mysql_time const*, unsigned int*) const /root/mariadb/sql/tztime.cc:1398:12
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#2 0x16d5466 in Item_func_convert_tz::get_date(THD*, st_mysql_time*, date_mode_t) /root/mariadb/sql/item_timefunc.cc:2820:27
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#3 0x1184284 in Type_handler::Item_send_datetime(Item*, Protocol*, st_value*) const /root/mariadb/sql/sql_type.cc:7580:9
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#4 0x90ea0a in Protocol::send_result_set_row(List<Item>*) /root/mariadb/sql/protocol.cc:1333:15
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#5 0xa7584c in select_send::send_data(List<Item>&) /root/mariadb/sql/sql_class.cc:3187:17
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#6 0xd0bb1e in select_result_sink::send_data_with_check(List<Item>&, st_select_lex_unit*, unsigned long long) /root/mariadb/sql/sql_class.h:5995:12
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#7 0xd0bb1e in end_send_group(JOIN*, st_join_table*, bool) /root/mariadb/sql/sql_select.cc:25079:29
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#8 0xcb4198 in do_select(JOIN*, Procedure*) /root/mariadb/sql/sql_select.cc:23046:16
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#9 0xcb4198 in JOIN::exec_inner() /root/mariadb/sql/sql_select.cc:4988:50
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#10 0xcb1198 in JOIN::exec() /root/mariadb/sql/sql_select.cc:4774:8
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#11 0xc527c7 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*) /root/mariadb/sql/sql_select.cc:5304:21
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#12 0xc51c68 in handle_select(THD*, LEX*, select_result*, unsigned long long) /root/mariadb/sql/sql_select.cc:630:10
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#13 0xba71f1 in execute_sqlcom_select(THD*, TABLE_LIST*) /root/mariadb/sql/sql_parse.cc:6094:12
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#14 0xb95e8b in mysql_execute_command(THD*, bool) /root/mariadb/sql/sql_parse.cc:3943:12
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#15 0xb88f48 in mysql_parse(THD*, char*, unsigned int, Parser_state*) /root/mariadb/sql/sql_parse.cc:7815:18
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#16 0xb81d01 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool) /root/mariadb/sql/sql_parse.cc:1893:7
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#17 0xb89c41 in do_command(THD*, bool) /root/mariadb/sql/sql_parse.cc:1406:17
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#18 0xf82df8 in do_handle_one_connection(CONNECT*, bool) /root/mariadb/sql/sql_connect.cc:1437:11
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#19 0xf82848 in handle_one_connection /root/mariadb/sql/sql_connect.cc:1339:5
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#20 0x1b267da in pfs_spawn_thread /root/mariadb/storage/perfschema/pfs.cc:2201:3
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#21 0x7f8d6e58f608 in start_thread /build/glibc-wuryBv/glibc-2.31/nptl/pthread_create.c:477:8
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#22 0x7f8d6e2a7352 in clone /build/glibc-wuryBv/glibc-2.31/misc/../sysdeps/unix/sysv/linux/x86_64/clone.S:95
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0x000002660a1c is located 4 bytes to the left of global variable 'mon_starts' defined in '/root/mariadb/sql/tztime.cc:496:19' (0x2660a20) of size 96
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0x000002660a1c is located 41 bytes to the right of global variable 'typeinfo name for Time_zone_offset' defined in '/root/mariadb/sql/tztime.cc' (0x26609e0) of size 19
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'typeinfo name for Time_zone_offset' is ascii string '16Time_zone_offset'
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SUMMARY: AddressSanitizer: global-buffer-overflow /root/mariadb/sql/tztime.cc:781:10 in sec_since_epoch(int, int, int, int, int, int)
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Shadow bytes around the buggy address:
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0x0000804c40f0: f9 f9 f9 f9 00 00 00 00 00 00 00 00 03 f9 f9 f9
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0x0000804c4100: f9 f9 f9 f9 00 00 00 00 00 00 07 f9 f9 f9 f9 f9
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0x0000804c4110: 00 00 00 04 f9 f9 f9 f9 00 00 00 00 00 00 07 f9
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0x0000804c4120: f9 f9 f9 f9 00 00 03 f9 f9 f9 f9 f9 00 00 f9 f9
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0x0000804c4130: f9 f9 f9 f9 00 07 f9 f9 f9 f9 f9 f9 00 00 03 f9
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=>0x0000804c4140: f9 f9 f9[f9]00 00 00 00 00 00 00 00 00 00 00 00
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0x0000804c4150: f9 f9 f9 f9 00 f9 f9 f9 f9 f9 f9 f9 00 00 00 00
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0x0000804c4160: 00 00 00 00 00 00 00 00 f9 f9 f9 f9 04 f9 f9 f9
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0x0000804c4170: f9 f9 f9 f9 00 f9 f9 f9 f9 f9 f9 f9 00 03 f9 f9
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0x0000804c4180: f9 f9 f9 f9 00 00 00 02 f9 f9 f9 f9 00 07 f9 f9
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0x0000804c4190: f9 f9 f9 f9 00 02 f9 f9 f9 f9 f9 f9 00 00 00 02
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Shadow byte legend (one shadow byte represents 8 application bytes):
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Addressable: 00
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Partially addressable: 01 02 03 04 05 06 07
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Heap left redzone: fa
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Freed heap region: fd
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Stack left redzone: f1
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Stack mid redzone: f2
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Stack right redzone: f3
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Stack after return: f5
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Stack use after scope: f8
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Global redzone: f9
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Global init order: f6
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Poisoned by user: f7
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Container overflow: fc
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Array cookie: ac
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Intra object redzone: bb
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ASan internal: fe
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Left alloca redzone: ca
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Right alloca redzone: cb
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Shadow gap: cc
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Thread T11 created by T0 here:
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#0 0x8161fc in pthread_create (/root/bin_original/usr/local/mysql/bin/mariadbd+0x8161fc)
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#1 0x1b26a9d in my_thread_create(unsigned long*, pthread_attr_t const*, void* (*)(void*), void*) /root/mariadb/storage/perfschema/my_thread.h:52:10
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#2 0x1b26a9d in pfs_spawn_thread_v1 /root/mariadb/storage/perfschema/pfs.cc:2252:15
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#3 0x871689 in inline_mysql_thread_create(unsigned int, unsigned long*, pthread_attr_t const*, void* (*)(void*), void*) /root/mariadb/include/mysql/psi/mysql_thread.h:1139:11
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#4 0x871689 in create_thread_to_handle_connection(CONNECT*) /root/mariadb/sql/mysqld.cc:6074:19
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#5 0x872518 in create_new_thread(CONNECT*) /root/mariadb/sql/mysqld.cc:6136:3
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#6 0x872518 in handle_accepted_socket(st_mysql_socket, st_mysql_socket) /root/mariadb/sql/mysqld.cc:6198:5
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#7 0x86f988 in handle_connections_sockets() /root/mariadb/sql/mysqld.cc:6311:9
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#8 0x86714a in mysqld_main(int, char**) /root/mariadb/sql/mysqld.cc:5969:3
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#9 0x7f8d6e1ac082 in __libc_start_main /build/glibc-wuryBv/glibc-2.31/csu/../csu/libc-start.c:308:16
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==14549==ABORTING
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Attachments
Issue Links
- duplicates
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- Confirmed
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