=================================================================
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==8795==ERROR: AddressSanitizer: use-after-poison on address 0x62900008e140 at pc 0x0000012ea7a7 bp 0x7ff453054250 sp 0x7ff453054248
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READ of size 8 at 0x62900008e140 thread T14
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#0 0x12ea7a6 in VDec::VDec(Item*) /root/mariadb/sql/sql_type.cc:301:16
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#1 0x16b8e06 in Arg_comparator::compare_decimal() /root/mariadb/sql/item_cmpfunc.cc:854:10
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#2 0x16be218 in Arg_comparator::compare() /root/mariadb/sql/item_cmpfunc.h:103:33
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#3 0x16be218 in Item_func_eq::val_int() /root/mariadb/sql/item_cmpfunc.cc:1762:18
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#4 0x1315e0d in Type_handler_int_result::Item_val_bool(Item*) const /root/mariadb/sql/sql_type.cc:5105:16
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#5 0x16ec0f7 in Item_cond_and::val_int() /root/mariadb/sql/item_cmpfunc.cc:5421:16
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#6 0x178256d in Item_int_func::val_real() /root/mariadb/sql/item_func.cc
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#7 0x178a856 in Item_func_mul::real_op() /root/mariadb/sql/item_func.cc:1362:48
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#8 0x1783301 in Item_func_hybrid_field_type::val_str_from_real_op(String*) /root/mariadb/sql/item_func.cc:836:14
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#9 0x127e866 in Item_func_json_format::val_str(String*) /root/mariadb/sql/item_jsonfunc.cc:3691:24
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#10 0x16ee822 in Item_func_like::val_int() /root/mariadb/sql/item_cmpfunc.cc:5618:26
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#11 0x164cc16 in Item::save_int_in_field(Field*, bool) /root/mariadb/sql/item.cc:6801:16
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#12 0x164ce59 in Item::save_in_field(Field*, bool) /root/mariadb/sql/item.cc:6811:30
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#13 0x1072e98 in TABLE::update_virtual_fields(handler*, enum_vcol_update_mode) /root/mariadb/sql/table.cc:8757:37
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#14 0x15ca0f7 in handler::ha_index_first(unsigned char*) /root/mariadb/sql/handler.cc:3551:14
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#15 0xe5db5c in join_read_first(st_join_table*) /root/mariadb/sql/sql_select.cc:22132:7
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#16 0xd4c04d in sub_select(JOIN*, st_join_table*, bool) /root/mariadb/sql/sql_select.cc:21092:12
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#17 0xdc6797 in do_select(JOIN*, Procedure*) /root/mariadb/sql/sql_select.cc:20640:14
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#18 0xdc6797 in JOIN::exec_inner() /root/mariadb/sql/sql_select.cc:4749:50
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#19 0xdc344c in JOIN::exec() /root/mariadb/sql/sql_select.cc:4527:3
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#20 0xd4e4e8 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:5007:9
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#21 0xd4d74b in handle_select(THD*, LEX*, select_result*, unsigned long) /root/mariadb/sql/sql_select.cc:543:10
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#22 0xc74410 in execute_sqlcom_select(THD*, TABLE_LIST*) /root/mariadb/sql/sql_parse.cc:6252:12
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#23 0xc609c9 in mysql_execute_command(THD*, bool) /root/mariadb/sql/sql_parse.cc:3943:12
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#24 0xc4a67e in mysql_parse(THD*, char*, unsigned int, Parser_state*) /root/mariadb/sql/sql_parse.cc:8027:18
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#25 0xc41ba9 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool) /root/mariadb/sql/sql_parse.cc:1894:7
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#26 0xc4b74b in do_command(THD*, bool) /root/mariadb/sql/sql_parse.cc:1402:17
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#27 0x111f9f2 in do_handle_one_connection(CONNECT*, bool) /root/mariadb/sql/sql_connect.cc:1418:11
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#28 0x111f248 in handle_one_connection /root/mariadb/sql/sql_connect.cc:1312:5
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#29 0x1f3f9dd in pfs_spawn_thread /root/mariadb/storage/perfschema/pfs.cc:2201:3
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#30 0x7ff477ffb608 in start_thread /build/glibc-sMfBJT/glibc-2.31/nptl/pthread_create.c:477:8
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#31 0x7ff477d11162 in clone /build/glibc-sMfBJT/glibc-2.31/misc/../sysdeps/unix/sysv/linux/x86_64/clone.S:95
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0x62900008e140 is located 8000 bytes inside of 16400-byte region [0x62900008c200,0x629000090210)
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allocated by thread T14 here:
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#0 0x80f99d in malloc (/usr/local/mysql/bin/mariadbd+0x80f99d)
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#1 0x2a76878 in my_malloc /root/mariadb/mysys/my_malloc.c:90:29
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#2 0x2a582eb in root_alloc /root/mariadb/mysys/my_alloc.c:66:10
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#3 0x2a582eb in reset_root_defaults /root/mariadb/mysys/my_alloc.c:243:30
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#4 0xae83b5 in THD::init_for_queries() /root/mariadb/sql/sql_class.cc:1393:3
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#5 0x111e580 in prepare_new_connection_state(THD*) /root/mariadb/sql/sql_connect.cc:1240:8
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#6 0x1120266 in thd_prepare_connection(THD*) /root/mariadb/sql/sql_connect.cc:1333:3
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#7 0x111f8cc in do_handle_one_connection(CONNECT*, bool) /root/mariadb/sql/sql_connect.cc:1408:9
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#8 0x111f248 in handle_one_connection /root/mariadb/sql/sql_connect.cc:1312:5
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#9 0x1f3f9dd in pfs_spawn_thread /root/mariadb/storage/perfschema/pfs.cc:2201:3
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#10 0x7ff477ffb608 in start_thread /build/glibc-sMfBJT/glibc-2.31/nptl/pthread_create.c:477:8
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Thread T14 created by T0 here:
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#0 0x7f9cfc in pthread_create (/usr/local/mysql/bin/mariadbd+0x7f9cfc)
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#1 0x1f3fd39 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 0x1f3fd39 in pfs_spawn_thread_v1 /root/mariadb/storage/perfschema/pfs.cc:2252:15
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#3 0x85cef4 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 0x85cef4 in create_thread_to_handle_connection(CONNECT*) /root/mariadb/sql/mysqld.cc:5975:19
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#5 0x85e72a in create_new_thread(CONNECT*) /root/mariadb/sql/mysqld.cc:6034:3
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#6 0x85e72a in handle_accepted_socket(st_mysql_socket, st_mysql_socket) /root/mariadb/sql/mysqld.cc:6096:5
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#7 0x85a34c in handle_connections_sockets() /root/mariadb/sql/mysqld.cc:6220:9
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#8 0x84e9ef in mysqld_main(int, char**) /root/mariadb/sql/mysqld.cc:5870:3
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#9 0x7ff477c160b2 in __libc_start_main /build/glibc-sMfBJT/glibc-2.31/csu/../csu/libc-start.c:308:16
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SUMMARY: AddressSanitizer: use-after-poison /root/mariadb/sql/sql_type.cc:301:16 in VDec::VDec(Item*)
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Shadow bytes around the buggy address:
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0x0c5280009bd0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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0x0c5280009be0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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0x0c5280009bf0: f7 00 00 00 f7 00 00 00 00 00 00 00 00 00 00 00
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0x0c5280009c00: f7 00 00 00 00 00 00 f7 00 00 f7 00 00 00 00 00
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0x0c5280009c10: 00 00 00 00 00 00 00 00 00 00 f7 00 f7 00 00 00
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=>0x0c5280009c20: 00 00 f7 00 00 00 00 00[f7]00 00 00 00 00 00 00
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0x0c5280009c30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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0x0c5280009c40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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0x0c5280009c50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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0x0c5280009c60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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0x0c5280009c70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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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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==8795==ABORTING
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