==2979812==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7f66fd9563fa at pc 0x5649ce2ef5ef bp 0x7f66fd9562b0 sp 0x7f66fd9562a0
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WRITE of size 1 at 0x7f66fd9563fa thread T5
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#0 0x5649ce2ef5ee in Field_newdate::val_str(String*, String*) /data/src/10.6/sql/field.cc:6761
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#1 0x5649ce3c00b5 in Item_field::val_str(String*) /data/src/10.6/sql/item.cc:3277
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#2 0x5649ce53d1ec in Item_func_concat_ws::val_str(String*) /data/src/10.6/sql/item_strfunc.cc:923
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#3 0x5649ce105355 in Type_handler::Item_send_str(Item*, Protocol*, st_value*) const /data/src/10.6/sql/sql_type.cc:7448
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#4 0x5649cdf2a46d in Type_handler_string_result::Item_send(Item*, Protocol*, st_value*) const /data/src/10.6/sql/sql_type.h:5437
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#5 0x5649cd855db1 in Item::send(Protocol*, st_value*) /data/src/10.6/sql/item.h:1205
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#6 0x5649cd8465bc in Protocol::send_result_set_row(List<Item>*) /data/src/10.6/sql/protocol.cc:1325
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#7 0x5649cd9f4d8d in select_send::send_data(List<Item>&) /data/src/10.6/sql/sql_class.cc:3004
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#8 0x5649cdcbe936 in select_result_sink::send_data_with_check(List<Item>&, st_select_lex_unit*, unsigned long long) /data/src/10.6/sql/sql_class.h:5581
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#9 0x5649cdc784bb in end_send /data/src/10.6/sql/sql_select.cc:22211
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#10 0x5649cdc705ba in evaluate_join_record /data/src/10.6/sql/sql_select.cc:21217
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#11 0x5649cdc6ef10 in sub_select(JOIN*, st_join_table*, bool) /data/src/10.6/sql/sql_select.cc:20994
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#12 0x5649cdc6d101 in do_select /data/src/10.6/sql/sql_select.cc:20541
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#13 0x5649cdbf9e34 in JOIN::exec_inner() /data/src/10.6/sql/sql_select.cc:4726
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#14 0x5649cdbf7315 in JOIN::exec() /data/src/10.6/sql/sql_select.cc:4504
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#15 0x5649cdbfb870 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/10.6/sql/sql_select.cc:4982
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#16 0x5649cdbcbe3e in handle_select(THD*, LEX*, select_result*, unsigned long) /data/src/10.6/sql/sql_select.cc:544
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#17 0x5649cdb32430 in execute_sqlcom_select /data/src/10.6/sql/sql_parse.cc:6245
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#18 0x5649cdb20f32 in mysql_execute_command(THD*) /data/src/10.6/sql/sql_parse.cc:3940
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#19 0x5649cdb3d724 in mysql_parse(THD*, char*, unsigned int, Parser_state*) /data/src/10.6/sql/sql_parse.cc:8019
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#20 0x5649cdb137bc in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool) /data/src/10.6/sql/sql_parse.cc:1897
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#21 0x5649cdb104dd in do_command(THD*, bool) /data/src/10.6/sql/sql_parse.cc:1406
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#22 0x5649cdf723bf in do_handle_one_connection(CONNECT*, bool) /data/src/10.6/sql/sql_connect.cc:1410
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#23 0x5649cdf71d1c in handle_one_connection /data/src/10.6/sql/sql_connect.cc:1312
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#24 0x5649cec829b8 in pfs_spawn_thread /data/src/10.6/storage/perfschema/pfs.cc:2201
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#25 0x7f67072b7608 in start_thread /build/glibc-eX1tMB/glibc-2.31/nptl/pthread_create.c:477
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#26 0x7f6706e8b292 in __clone (/lib/x86_64-linux-gnu/libc.so.6+0x122292)
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Address 0x7f66fd9563fa is located in stack of thread T5 at offset 106 in frame
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#0 0x5649ce53cf1f in Item_func_concat_ws::val_str(String*) /data/src/10.6/sql/item_strfunc.cc:913
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This frame has 2 object(s):
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[32, 64) 'tmp_sep_str' (line 916)
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[96, 106) 'tmp_str_buff' (line 915) <== Memory access at offset 106 overflows this variable
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HINT: this may be a false positive if your program uses some custom stack unwind mechanism, swapcontext or vfork
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(longjmp and C++ exceptions *are* supported)
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Thread T5 created by T0 here:
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#0 0x7f67077e3805 in pthread_create (/lib/x86_64-linux-gnu/libasan.so.5+0x3a805)
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#1 0x5649cec7d964 in my_thread_create /data/src/10.6/storage/perfschema/my_thread.h:38
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#2 0x5649cec82dab in pfs_spawn_thread_v1 /data/src/10.6/storage/perfschema/pfs.cc:2252
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#3 0x5649cd7ffbf8 in inline_mysql_thread_create /data/src/10.6/include/mysql/psi/mysql_thread.h:1139
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#4 0x5649cd8174ae in create_thread_to_handle_connection(CONNECT*) /data/src/10.6/sql/mysqld.cc:5920
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#5 0x5649cd817b2d in create_new_thread(CONNECT*) /data/src/10.6/sql/mysqld.cc:5979
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#6 0x5649cd817e9a in handle_accepted_socket(st_mysql_socket, st_mysql_socket) /data/src/10.6/sql/mysqld.cc:6041
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#7 0x5649cd818876 in handle_connections_sockets() /data/src/10.6/sql/mysqld.cc:6165
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#8 0x5649cd816caa in mysqld_main(int, char**) /data/src/10.6/sql/mysqld.cc:5815
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#9 0x5649cd7fef1c in main /data/src/10.6/sql/main.cc:34
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#10 0x7f6706d900b2 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x270b2)
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SUMMARY: AddressSanitizer: stack-buffer-overflow /data/src/10.6/sql/field.cc:6761 in Field_newdate::val_str(String*, String*)
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Shadow bytes around the buggy address:
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0x0fed5fb22c20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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0x0fed5fb22c30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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0x0fed5fb22c40: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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0x0fed5fb22c50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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0x0fed5fb22c60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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=>0x0fed5fb22c70: 00 00 f1 f1 f1 f1 00 00 00 00 f2 f2 f2 f2 00[02]
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0x0fed5fb22c80: f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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0x0fed5fb22c90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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0x0fed5fb22ca0: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00 00 00
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0x0fed5fb22cb0: f2 f2 f2 f2 00 00 00 00 f2 f2 f2 f2 00 00 00 00
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0x0fed5fb22cc0: 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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==2979812==ABORTING
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