Details
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Bug
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Status: Confirmed (View Workflow)
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Major
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Resolution: Unresolved
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10.6, 10.7(EOL), 10.8(EOL), 10.9(EOL), 10.10(EOL), 10.11, 11.0(EOL), 11.1(EOL), 11.2(EOL), 11.4, 11.7(EOL), 11.8
Description
SELECT CAST(MD5(NOW()) AS CHAR) AS f, COUNT(*) FROM DUAL GROUP BY f; |
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10.6 0144d1d2 ASAN |
==1375312==ERROR: AddressSanitizer: heap-use-after-free on address 0x60f0000d8ab8 at pc 0x7f36c80d7f40 bp 0x7f36be0f3c10 sp 0x7f36be0f33b8
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READ of size 32 at 0x60f0000d8ab8 thread T5
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#0 0x7f36c80d7f3f in __interceptor_memmove (/lib/x86_64-linux-gnu/libasan.so.5+0xa0f3f)
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#1 0x55b56c134463 in Binary_string::copy(Binary_string const&) /data/src/10.6/sql/sql_string.cc:250
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#2 0x55b56bdc88e5 in String::copy(String const&) /data/src/10.6/sql/sql_string.h:880
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#3 0x55b56c7b092c in Item_copy_string::copy() /data/src/10.6/sql/item.cc:4988
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#4 0x55b56c046d32 in copy_fields(TMP_TABLE_PARAM*) /data/src/10.6/sql/sql_select.cc:25866
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#5 0x55b56c02e464 in end_send_group(JOIN*, st_join_table*, bool) /data/src/10.6/sql/sql_select.cc:22515
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#6 0x55b56c02080a in do_select /data/src/10.6/sql/sql_select.cc:20552
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#7 0x55b56bfad4fa in JOIN::exec_inner() /data/src/10.6/sql/sql_select.cc:4737
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#8 0x55b56bfaa9db in JOIN::exec() /data/src/10.6/sql/sql_select.cc:4515
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#9 0x55b56bfaef36 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:4993
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#10 0x55b56bf7f40c in handle_select(THD*, LEX*, select_result*, unsigned long) /data/src/10.6/sql/sql_select.cc:545
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#11 0x55b56bee4802 in execute_sqlcom_select /data/src/10.6/sql/sql_parse.cc:6256
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#12 0x55b56bed32be in mysql_execute_command(THD*, bool) /data/src/10.6/sql/sql_parse.cc:3946
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#13 0x55b56beefac5 in mysql_parse(THD*, char*, unsigned int, Parser_state*) /data/src/10.6/sql/sql_parse.cc:8030
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#14 0x55b56bec5b73 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool) /data/src/10.6/sql/sql_parse.cc:1896
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#15 0x55b56bec2897 in do_command(THD*, bool) /data/src/10.6/sql/sql_parse.cc:1404
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#16 0x55b56c328a8c in do_handle_one_connection(CONNECT*, bool) /data/src/10.6/sql/sql_connect.cc:1418
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#17 0x55b56c328318 in handle_one_connection /data/src/10.6/sql/sql_connect.cc:1312
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#18 0x55b56cf95298 in pfs_spawn_thread /data/src/10.6/storage/perfschema/pfs.cc:2201
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#19 0x7f36c7a5b608 in start_thread /build/glibc-eX1tMB/glibc-2.31/nptl/pthread_create.c:477
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#20 0x7f36c762e292 in __clone (/lib/x86_64-linux-gnu/libc.so.6+0x122292)
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0x60f0000d8ab8 is located 136 bytes inside of 172-byte region [0x60f0000d8a30,0x60f0000d8adc)
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freed by thread T5 here:
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#0 0x7f36c81447cf in __interceptor_free (/lib/x86_64-linux-gnu/libasan.so.5+0x10d7cf)
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#1 0x55b56dbe9ed5 in free_memory /data/src/10.6/mysys/safemalloc.c:297
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#2 0x55b56dbe9312 in sf_free /data/src/10.6/mysys/safemalloc.c:203
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#3 0x55b56dbb6d1e in my_free /data/src/10.6/mysys/my_malloc.c:211
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#4 0x55b56bbd4097 in Binary_string::free_buffer() /data/src/10.6/sql/sql_string.h:227
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#5 0x55b56c132eb3 in Binary_string::real_alloc(unsigned long) /data/src/10.6/sql/sql_string.cc:44
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#6 0x55b56bbfe414 in Binary_string::alloc(unsigned long) /data/src/10.6/sql/sql_string.h:698
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#7 0x55b56c134369 in Binary_string::copy(Binary_string const&) /data/src/10.6/sql/sql_string.cc:247
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#8 0x55b56bdc88e5 in String::copy(String const&) /data/src/10.6/sql/sql_string.h:880
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#9 0x55b56c7b092c in Item_copy_string::copy() /data/src/10.6/sql/item.cc:4988
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#10 0x55b56c046d32 in copy_fields(TMP_TABLE_PARAM*) /data/src/10.6/sql/sql_select.cc:25866
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#11 0x55b56c02e464 in end_send_group(JOIN*, st_join_table*, bool) /data/src/10.6/sql/sql_select.cc:22515
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#12 0x55b56c02080a in do_select /data/src/10.6/sql/sql_select.cc:20552
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#13 0x55b56bfad4fa in JOIN::exec_inner() /data/src/10.6/sql/sql_select.cc:4737
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#14 0x55b56bfaa9db in JOIN::exec() /data/src/10.6/sql/sql_select.cc:4515
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#15 0x55b56bfaef36 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:4993
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#16 0x55b56bf7f40c in handle_select(THD*, LEX*, select_result*, unsigned long) /data/src/10.6/sql/sql_select.cc:545
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#17 0x55b56bee4802 in execute_sqlcom_select /data/src/10.6/sql/sql_parse.cc:6256
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#18 0x55b56bed32be in mysql_execute_command(THD*, bool) /data/src/10.6/sql/sql_parse.cc:3946
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#19 0x55b56beefac5 in mysql_parse(THD*, char*, unsigned int, Parser_state*) /data/src/10.6/sql/sql_parse.cc:8030
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#20 0x55b56bec5b73 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool) /data/src/10.6/sql/sql_parse.cc:1896
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#21 0x55b56bec2897 in do_command(THD*, bool) /data/src/10.6/sql/sql_parse.cc:1404
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#22 0x55b56c328a8c in do_handle_one_connection(CONNECT*, bool) /data/src/10.6/sql/sql_connect.cc:1418
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#23 0x55b56c328318 in handle_one_connection /data/src/10.6/sql/sql_connect.cc:1312
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#24 0x55b56cf95298 in pfs_spawn_thread /data/src/10.6/storage/perfschema/pfs.cc:2201
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#25 0x7f36c7a5b608 in start_thread /build/glibc-eX1tMB/glibc-2.31/nptl/pthread_create.c:477
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previously allocated by thread T5 here:
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#0 0x7f36c8144bc8 in malloc (/lib/x86_64-linux-gnu/libasan.so.5+0x10dbc8)
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#1 0x55b56dbe8cc6 in sf_malloc /data/src/10.6/mysys/safemalloc.c:126
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#2 0x55b56dbb5ef8 in my_malloc /data/src/10.6/mysys/my_malloc.c:90
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#3 0x55b56c132f57 in Binary_string::real_alloc(unsigned long) /data/src/10.6/sql/sql_string.cc:45
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#4 0x55b56bbfe414 in Binary_string::alloc(unsigned long) /data/src/10.6/sql/sql_string.h:698
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#5 0x55b56be90eea in Datetime::to_string(String*, unsigned int) const /data/src/10.6/sql/sql_type.h:2583
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#6 0x55b56be9993e in Item_datetimefunc::val_str(String*) /data/src/10.6/sql/item_timefunc.h:704
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#7 0x55b56c91926c in Item_func_md5::val_str_ascii(String*) /data/src/10.6/sql/item_strfunc.cc:163
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#8 0x55b56c918570 in Item_func::val_str_from_val_str_ascii(String*, String*) /data/src/10.6/sql/item_strfunc.cc:98
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#9 0x55b56c606127 in Item_str_ascii_func::val_str(String*) /data/src/10.6/sql/item_strfunc.h:94
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#10 0x55b56c9f665c in Item_char_typecast::val_str_generic(String*) /data/src/10.6/sql/item_timefunc.cc:3172
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#11 0x55b56ca0e92b in Item_char_typecast_func_handler::val_str(Item_handled_func*, String*) const /data/src/10.6/sql/item_timefunc.cc:3275
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#12 0x55b56c5094a3 in Item_handled_func::val_str(String*) /data/src/10.6/sql/item_func.h:770
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#13 0x55b56c7b08fc in Item_copy_string::copy() /data/src/10.6/sql/item.cc:4986
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#14 0x55b56c046d32 in copy_fields(TMP_TABLE_PARAM*) /data/src/10.6/sql/sql_select.cc:25866
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#15 0x55b56c02e464 in end_send_group(JOIN*, st_join_table*, bool) /data/src/10.6/sql/sql_select.cc:22515
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#16 0x55b56c02080a in do_select /data/src/10.6/sql/sql_select.cc:20552
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#17 0x55b56bfad4fa in JOIN::exec_inner() /data/src/10.6/sql/sql_select.cc:4737
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#18 0x55b56bfaa9db in JOIN::exec() /data/src/10.6/sql/sql_select.cc:4515
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#19 0x55b56bfaef36 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:4993
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#20 0x55b56bf7f40c in handle_select(THD*, LEX*, select_result*, unsigned long) /data/src/10.6/sql/sql_select.cc:545
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#21 0x55b56bee4802 in execute_sqlcom_select /data/src/10.6/sql/sql_parse.cc:6256
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#22 0x55b56bed32be in mysql_execute_command(THD*, bool) /data/src/10.6/sql/sql_parse.cc:3946
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#23 0x55b56beefac5 in mysql_parse(THD*, char*, unsigned int, Parser_state*) /data/src/10.6/sql/sql_parse.cc:8030
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#24 0x55b56bec5b73 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool) /data/src/10.6/sql/sql_parse.cc:1896
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#25 0x55b56bec2897 in do_command(THD*, bool) /data/src/10.6/sql/sql_parse.cc:1404
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#26 0x55b56c328a8c in do_handle_one_connection(CONNECT*, bool) /data/src/10.6/sql/sql_connect.cc:1418
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#27 0x55b56c328318 in handle_one_connection /data/src/10.6/sql/sql_connect.cc:1312
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#28 0x55b56cf95298 in pfs_spawn_thread /data/src/10.6/storage/perfschema/pfs.cc:2201
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#29 0x7f36c7a5b608 in start_thread /build/glibc-eX1tMB/glibc-2.31/nptl/pthread_create.c:477
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Thread T5 created by T0 here:
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#0 0x7f36c8071805 in pthread_create (/lib/x86_64-linux-gnu/libasan.so.5+0x3a805)
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#1 0x55b56cf9024e in my_thread_create /data/src/10.6/storage/perfschema/my_thread.h:48
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#2 0x55b56cf9568b in pfs_spawn_thread_v1 /data/src/10.6/storage/perfschema/pfs.cc:2252
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#3 0x55b56bbafd98 in inline_mysql_thread_create /data/src/10.6/include/mysql/psi/mysql_thread.h:1139
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#4 0x55b56bbc767e in create_thread_to_handle_connection(CONNECT*) /data/src/10.6/sql/mysqld.cc:5922
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#5 0x55b56bbc7cfa in create_new_thread(CONNECT*) /data/src/10.6/sql/mysqld.cc:5981
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#6 0x55b56bbc8067 in handle_accepted_socket(st_mysql_socket, st_mysql_socket) /data/src/10.6/sql/mysqld.cc:6043
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#7 0x55b56bbc8a65 in handle_connections_sockets() /data/src/10.6/sql/mysqld.cc:6167
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#8 0x55b56bbc6e7a in mysqld_main(int, char**) /data/src/10.6/sql/mysqld.cc:5817
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#9 0x55b56bbaf0bc in main /data/src/10.6/sql/main.cc:34
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#10 0x7f36c75330b2 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x270b2)
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SUMMARY: AddressSanitizer: heap-use-after-free (/lib/x86_64-linux-gnu/libasan.so.5+0xa0f3f) in __interceptor_memmove
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Shadow bytes around the buggy address:
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0x0c1e80013100: 00 04 fa fa fa fa fa fa fa fa 00 00 00 00 00 00
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0x0c1e80013110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 04 fa
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0x0c1e80013120: fa fa fa fa fa fa fa fa 00 00 00 00 00 00 00 00
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0x0c1e80013130: 00 00 00 00 00 00 00 00 00 00 00 00 00 04 fa fa
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0x0c1e80013140: fa fa fa fa fa fa fd fd fd fd fd fd fd fd fd fd
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=>0x0c1e80013150: fd fd fd fd fd fd fd[fd]fd fd fd fd fa fa fa fa
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0x0c1e80013160: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
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0x0c1e80013170: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
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0x0c1e80013180: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
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0x0c1e80013190: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
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0x0c1e800131a0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
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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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==1375312==ABORTING
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211014 1:29:35 [ERROR] mysqld got signal 6 ;
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This could be because you hit a bug. It is also possible that this binary
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or one of the libraries it was linked against is corrupt, improperly built,
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or misconfigured. This error can also be caused by malfunctioning hardware.
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To report this bug, see https://mariadb.com/kb/en/reporting-bugs
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We will try our best to scrape up some info that will hopefully help
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diagnose the problem, but since we have already crashed,
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something is definitely wrong and this may fail.
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Server version: 10.6.5-MariaDB-debug-log
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key_buffer_size=1048576
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read_buffer_size=131072
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max_used_connections=1
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max_threads=153
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thread_count=1
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It is possible that mysqld could use up to
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key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 63858 K bytes of memory
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Hope that's ok; if not, decrease some variables in the equation.
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Thread pointer: 0x62b00007e288
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Attempting backtrace. You can use the following information to find out
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where mysqld died. If you see no messages after this, something went
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terribly wrong...
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stack_bottom = 0x7f36be0f6cd0 thread_stack 0x100000
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??:0(__interceptor_tcgetattr)[0x7f36c80a3d30]
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/mnt-hd8t/bld/10.6-asan-nightly/bin/mariadbd(my_print_stacktrace+0xec)[0x55b56dbc79b5]
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/mnt-hd8t/bld/10.6-asan-nightly/bin/mariadbd(handle_fatal_signal+0xa22)[0x55b56c72e44f]
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sigaction.c:0(__restore_rt)[0x7f36c7a673c0]
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??:0(gsignal)[0x7f36c755218b]
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??:0(abort)[0x7f36c7531859]
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??:0(__sanitizer_set_report_fd)[0x7f36c81626a2]
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??:0(__sanitizer_get_module_and_offset_for_pc)[0x7f36c816d24c]
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??:0(__sanitizer_ptr_cmp)[0x7f36c814e8ec]
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??:0(__asan_on_error)[0x7f36c814e363]
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??:0(memmove)[0x7f36c80d7f5f]
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sql/sql_string.cc:251(Binary_string::copy(Binary_string const&))[0x55b56c134464]
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sql/sql_string.h:881(String::copy(String const&))[0x55b56bdc88e6]
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sql/item.cc:4989(Item_copy_string::copy())[0x55b56c7b092d]
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sql/sql_select.cc:25865(copy_fields(TMP_TABLE_PARAM*))[0x55b56c046d33]
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sql/sql_select.cc:22516(end_send_group(JOIN*, st_join_table*, bool))[0x55b56c02e465]
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sql/sql_select.cc:20552(do_select(JOIN*, Procedure*))[0x55b56c02080b]
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sql/sql_select.cc:4737(JOIN::exec_inner())[0x55b56bfad4fb]
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sql/sql_select.cc:4516(JOIN::exec())[0x55b56bfaa9dc]
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sql/sql_select.cc:4995(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*))[0x55b56bfaef37]
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sql/sql_select.cc:545(handle_select(THD*, LEX*, select_result*, unsigned long))[0x55b56bf7f40d]
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sql/sql_parse.cc:6256(execute_sqlcom_select(THD*, TABLE_LIST*))[0x55b56bee4803]
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sql/sql_parse.cc:3946(mysql_execute_command(THD*, bool))[0x55b56bed32bf]
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sql/sql_parse.cc:8030(mysql_parse(THD*, char*, unsigned int, Parser_state*))[0x55b56beefac6]
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sql/sql_parse.cc:1898(dispatch_command(enum_server_command, THD*, char*, unsigned int, bool))[0x55b56bec5b74]
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sql/sql_parse.cc:1404(do_command(THD*, bool))[0x55b56bec2898]
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sql/sql_connect.cc:1418(do_handle_one_connection(CONNECT*, bool))[0x55b56c328a8d]
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sql/sql_connect.cc:1314(handle_one_connection)[0x55b56c328319]
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perfschema/pfs.cc:2203(pfs_spawn_thread)[0x55b56cf95299]
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nptl/pthread_create.c:478(start_thread)[0x7f36c7a5b609]
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??:0(clone)[0x7f36c762e293]
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Trying to get some variables.
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Some pointers may be invalid and cause the dump to abort.
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Query (0x62b0000852a8): SELECT CAST(MD5(NOW()) AS CHAR) AS f, COUNT(*) FROM DUAL GROUP BY f
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Connection ID (thread ID): 4
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Status: NOT_KILLED
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Optimizer switch: index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on,condition_pushdown_from_having=on,not_null_range_scan=off
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The manual page at https://mariadb.com/kb/en/how-to-produce-a-full-stack-trace-for-mysqld/ contains
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information that should help you find out what is causing the crash.
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Writing a core file...
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Working directory at /dev/shm/var_auto_W9Up/mysqld.1/data
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Resource Limits:
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Limit Soft Limit Hard Limit Units
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Max cpu time unlimited unlimited seconds
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Max file size unlimited unlimited bytes
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Max data size unlimited unlimited bytes
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Max stack size 8388608 unlimited bytes
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Max core file size unlimited unlimited bytes
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Max resident set unlimited unlimited bytes
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Max processes 385736 385736 processes
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Max open files 1024 1024 files
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Max locked memory 67108864 67108864 bytes
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Max address space unlimited unlimited bytes
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Max file locks unlimited unlimited locks
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Max pending signals 385736 385736 signals
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Max msgqueue size 819200 819200 bytes
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Max nice priority 0 0
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Max realtime priority 0 0
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Max realtime timeout unlimited unlimited us
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Core pattern: |/usr/share/apport/apport %p %s %c %d %P %E
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10.6 0144d1d2 Valgrind |
==1375468== Thread 6:
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==1375468== Invalid read of size 8
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==1375468== at 0x4842A7C: memmove (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
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==1375468== by 0xB35B3F: Binary_string::copy(Binary_string const&) (sql_string.cc:250)
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==1375468== by 0x9D7137: String::copy(String const&) (sql_string.h:880)
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==1375468== by 0xE2164C: Item_copy_string::copy() (item.cc:4988)
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==1375468== by 0xADCA81: copy_fields(TMP_TABLE_PARAM*) (sql_select.cc:25866)
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==1375468== by 0xAD3FCD: end_send_group(JOIN*, st_join_table*, bool) (sql_select.cc:22515)
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==1375468== by 0xACF3A8: do_select(JOIN*, Procedure*) (sql_select.cc:20552)
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==1375468== by 0xAA2836: JOIN::exec_inner() (sql_select.cc:4737)
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==1375468== by 0xAA18AC: JOIN::exec() (sql_select.cc:4515)
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==1375468== by 0xAA31E6: 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*) (sql_select.cc:4993)
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==1375468== by 0xA923EA: handle_select(THD*, LEX*, select_result*, unsigned long) (sql_select.cc:545)
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==1375468== by 0xA522A2: execute_sqlcom_select(THD*, TABLE_LIST*) (sql_parse.cc:6256)
|
==1375468== by 0xA4950A: mysql_execute_command(THD*, bool) (sql_parse.cc:3946)
|
==1375468== by 0xA570F2: mysql_parse(THD*, char*, unsigned int, Parser_state*) (sql_parse.cc:8030)
|
==1375468== by 0xA43522: dispatch_command(enum_server_command, THD*, char*, unsigned int, bool) (sql_parse.cc:1896)
|
==1375468== by 0xA41EBE: do_command(THD*, bool) (sql_parse.cc:1404)
|
==1375468== Address 0xc47f098 is 24 bytes inside a block of size 56 free'd
|
==1375468== at 0x483CA3F: free (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
|
==1375468== by 0x172BA65: my_free (my_malloc.c:211)
|
==1375468== by 0x8FB670: Binary_string::free_buffer() (sql_string.h:227)
|
==1375468== by 0xB3521B: Binary_string::real_alloc(unsigned long) (sql_string.cc:44)
|
==1375468== by 0x90D1DF: Binary_string::alloc(unsigned long) (sql_string.h:698)
|
==1375468== by 0xB35AF4: Binary_string::copy(Binary_string const&) (sql_string.cc:247)
|
==1375468== by 0x9D7137: String::copy(String const&) (sql_string.h:880)
|
==1375468== by 0xE2164C: Item_copy_string::copy() (item.cc:4988)
|
==1375468== by 0xADCA81: copy_fields(TMP_TABLE_PARAM*) (sql_select.cc:25866)
|
==1375468== by 0xAD3FCD: end_send_group(JOIN*, st_join_table*, bool) (sql_select.cc:22515)
|
==1375468== by 0xACF3A8: do_select(JOIN*, Procedure*) (sql_select.cc:20552)
|
==1375468== by 0xAA2836: JOIN::exec_inner() (sql_select.cc:4737)
|
==1375468== by 0xAA18AC: JOIN::exec() (sql_select.cc:4515)
|
==1375468== by 0xAA31E6: 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*) (sql_select.cc:4993)
|
==1375468== by 0xA923EA: handle_select(THD*, LEX*, select_result*, unsigned long) (sql_select.cc:545)
|
==1375468== by 0xA522A2: execute_sqlcom_select(THD*, TABLE_LIST*) (sql_parse.cc:6256)
|
==1375468== Block was alloc'd at
|
==1375468== at 0x483B7F3: malloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
|
==1375468== by 0x172B276: my_malloc (my_malloc.c:90)
|
==1375468== by 0xB3524A: Binary_string::real_alloc(unsigned long) (sql_string.cc:45)
|
==1375468== by 0x90D1DF: Binary_string::alloc(unsigned long) (sql_string.h:698)
|
==1375468== by 0xA2A702: Datetime::to_string(String*, unsigned int) const (sql_type.h:2583)
|
==1375468== by 0xA2E762: Item_datetimefunc::val_str(String*) (item_timefunc.h:704)
|
==1375468== by 0xEC0648: Item_func_md5::val_str_ascii(String*) (item_strfunc.cc:163)
|
==1375468== by 0xEBFFDF: Item_func::val_str_from_val_str_ascii(String*, String*) (item_strfunc.cc:98)
|
==1375468== by 0xD5FD27: Item_str_ascii_func::val_str(String*) (item_strfunc.h:94)
|
==1375468== by 0xF18BF5: Item_char_typecast::val_str_generic(String*) (item_timefunc.cc:3172)
|
==1375468== by 0xF22D86: Item_char_typecast_func_handler::val_str(Item_handled_func*, String*) const (item_timefunc.cc:3275)
|
==1375468== by 0xCE065C: Item_handled_func::val_str(String*) (item_func.h:770)
|
==1375468== by 0xE2161C: Item_copy_string::copy() (item.cc:4986)
|
==1375468== by 0xADCA81: copy_fields(TMP_TABLE_PARAM*) (sql_select.cc:25866)
|
==1375468== by 0xAD3FCD: end_send_group(JOIN*, st_join_table*, bool) (sql_select.cc:22515)
|
==1375468== by 0xACF3A8: do_select(JOIN*, Procedure*) (sql_select.cc:20552)
|
==1375468== Invalid read of size 8
|
==1375468== at 0x4842A87: memmove (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
|
==1375468== by 0xB35B3F: Binary_string::copy(Binary_string const&) (sql_string.cc:250)
|
==1375468== by 0x9D7137: String::copy(String const&) (sql_string.h:880)
|
==1375468== by 0xE2164C: Item_copy_string::copy() (item.cc:4988)
|
==1375468== by 0xADCA81: copy_fields(TMP_TABLE_PARAM*) (sql_select.cc:25866)
|
==1375468== by 0xAD3FCD: end_send_group(JOIN*, st_join_table*, bool) (sql_select.cc:22515)
|
==1375468== by 0xACF3A8: do_select(JOIN*, Procedure*) (sql_select.cc:20552)
|
==1375468== by 0xAA2836: JOIN::exec_inner() (sql_select.cc:4737)
|
==1375468== by 0xAA18AC: JOIN::exec() (sql_select.cc:4515)
|
==1375468== by 0xAA31E6: 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*) (sql_select.cc:4993)
|
==1375468== by 0xA923EA: handle_select(THD*, LEX*, select_result*, unsigned long) (sql_select.cc:545)
|
==1375468== by 0xA522A2: execute_sqlcom_select(THD*, TABLE_LIST*) (sql_parse.cc:6256)
|
==1375468== by 0xA4950A: mysql_execute_command(THD*, bool) (sql_parse.cc:3946)
|
==1375468== by 0xA570F2: mysql_parse(THD*, char*, unsigned int, Parser_state*) (sql_parse.cc:8030)
|
==1375468== by 0xA43522: dispatch_command(enum_server_command, THD*, char*, unsigned int, bool) (sql_parse.cc:1896)
|
==1375468== by 0xA41EBE: do_command(THD*, bool) (sql_parse.cc:1404)
|
==1375468== Address 0xc47f0a0 is 32 bytes inside a block of size 56 free'd
|
==1375468== at 0x483CA3F: free (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
|
==1375468== by 0x172BA65: my_free (my_malloc.c:211)
|
==1375468== by 0x8FB670: Binary_string::free_buffer() (sql_string.h:227)
|
==1375468== by 0xB3521B: Binary_string::real_alloc(unsigned long) (sql_string.cc:44)
|
==1375468== by 0x90D1DF: Binary_string::alloc(unsigned long) (sql_string.h:698)
|
==1375468== by 0xB35AF4: Binary_string::copy(Binary_string const&) (sql_string.cc:247)
|
==1375468== by 0x9D7137: String::copy(String const&) (sql_string.h:880)
|
==1375468== by 0xE2164C: Item_copy_string::copy() (item.cc:4988)
|
==1375468== by 0xADCA81: copy_fields(TMP_TABLE_PARAM*) (sql_select.cc:25866)
|
==1375468== by 0xAD3FCD: end_send_group(JOIN*, st_join_table*, bool) (sql_select.cc:22515)
|
==1375468== by 0xACF3A8: do_select(JOIN*, Procedure*) (sql_select.cc:20552)
|
==1375468== by 0xAA2836: JOIN::exec_inner() (sql_select.cc:4737)
|
==1375468== by 0xAA18AC: JOIN::exec() (sql_select.cc:4515)
|
==1375468== by 0xAA31E6: 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*) (sql_select.cc:4993)
|
==1375468== by 0xA923EA: handle_select(THD*, LEX*, select_result*, unsigned long) (sql_select.cc:545)
|
==1375468== by 0xA522A2: execute_sqlcom_select(THD*, TABLE_LIST*) (sql_parse.cc:6256)
|
==1375468== Block was alloc'd at
|
==1375468== at 0x483B7F3: malloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
|
==1375468== by 0x172B276: my_malloc (my_malloc.c:90)
|
==1375468== by 0xB3524A: Binary_string::real_alloc(unsigned long) (sql_string.cc:45)
|
==1375468== by 0x90D1DF: Binary_string::alloc(unsigned long) (sql_string.h:698)
|
==1375468== by 0xA2A702: Datetime::to_string(String*, unsigned int) const (sql_type.h:2583)
|
==1375468== by 0xA2E762: Item_datetimefunc::val_str(String*) (item_timefunc.h:704)
|
==1375468== by 0xEC0648: Item_func_md5::val_str_ascii(String*) (item_strfunc.cc:163)
|
==1375468== by 0xEBFFDF: Item_func::val_str_from_val_str_ascii(String*, String*) (item_strfunc.cc:98)
|
==1375468== by 0xD5FD27: Item_str_ascii_func::val_str(String*) (item_strfunc.h:94)
|
==1375468== by 0xF18BF5: Item_char_typecast::val_str_generic(String*) (item_timefunc.cc:3172)
|
==1375468== by 0xF22D86: Item_char_typecast_func_handler::val_str(Item_handled_func*, String*) const (item_timefunc.cc:3275)
|
==1375468== by 0xCE065C: Item_handled_func::val_str(String*) (item_func.h:770)
|
==1375468== by 0xE2161C: Item_copy_string::copy() (item.cc:4986)
|
==1375468== by 0xADCA81: copy_fields(TMP_TABLE_PARAM*) (sql_select.cc:25866)
|
==1375468== by 0xAD3FCD: end_send_group(JOIN*, st_join_table*, bool) (sql_select.cc:22515)
|
==1375468== by 0xACF3A8: do_select(JOIN*, Procedure*) (sql_select.cc:20552)
|
==1375468== Invalid read of size 8
|
==1375468== at 0x4842A8F: memmove (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
|
==1375468== by 0xB35B3F: Binary_string::copy(Binary_string const&) (sql_string.cc:250)
|
==1375468== by 0x9D7137: String::copy(String const&) (sql_string.h:880)
|
==1375468== by 0xE2164C: Item_copy_string::copy() (item.cc:4988)
|
==1375468== by 0xADCA81: copy_fields(TMP_TABLE_PARAM*) (sql_select.cc:25866)
|
==1375468== by 0xAD3FCD: end_send_group(JOIN*, st_join_table*, bool) (sql_select.cc:22515)
|
==1375468== by 0xACF3A8: do_select(JOIN*, Procedure*) (sql_select.cc:20552)
|
==1375468== by 0xAA2836: JOIN::exec_inner() (sql_select.cc:4737)
|
==1375468== by 0xAA18AC: JOIN::exec() (sql_select.cc:4515)
|
==1375468== by 0xAA31E6: 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*) (sql_select.cc:4993)
|
==1375468== by 0xA923EA: handle_select(THD*, LEX*, select_result*, unsigned long) (sql_select.cc:545)
|
==1375468== by 0xA522A2: execute_sqlcom_select(THD*, TABLE_LIST*) (sql_parse.cc:6256)
|
==1375468== by 0xA4950A: mysql_execute_command(THD*, bool) (sql_parse.cc:3946)
|
==1375468== by 0xA570F2: mysql_parse(THD*, char*, unsigned int, Parser_state*) (sql_parse.cc:8030)
|
==1375468== by 0xA43522: dispatch_command(enum_server_command, THD*, char*, unsigned int, bool) (sql_parse.cc:1896)
|
==1375468== by 0xA41EBE: do_command(THD*, bool) (sql_parse.cc:1404)
|
==1375468== Address 0xc47f0a8 is 40 bytes inside a block of size 56 free'd
|
==1375468== at 0x483CA3F: free (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
|
==1375468== by 0x172BA65: my_free (my_malloc.c:211)
|
==1375468== by 0x8FB670: Binary_string::free_buffer() (sql_string.h:227)
|
==1375468== by 0xB3521B: Binary_string::real_alloc(unsigned long) (sql_string.cc:44)
|
==1375468== by 0x90D1DF: Binary_string::alloc(unsigned long) (sql_string.h:698)
|
==1375468== by 0xB35AF4: Binary_string::copy(Binary_string const&) (sql_string.cc:247)
|
==1375468== by 0x9D7137: String::copy(String const&) (sql_string.h:880)
|
==1375468== by 0xE2164C: Item_copy_string::copy() (item.cc:4988)
|
==1375468== by 0xADCA81: copy_fields(TMP_TABLE_PARAM*) (sql_select.cc:25866)
|
==1375468== by 0xAD3FCD: end_send_group(JOIN*, st_join_table*, bool) (sql_select.cc:22515)
|
==1375468== by 0xACF3A8: do_select(JOIN*, Procedure*) (sql_select.cc:20552)
|
==1375468== by 0xAA2836: JOIN::exec_inner() (sql_select.cc:4737)
|
==1375468== by 0xAA18AC: JOIN::exec() (sql_select.cc:4515)
|
==1375468== by 0xAA31E6: 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*) (sql_select.cc:4993)
|
==1375468== by 0xA923EA: handle_select(THD*, LEX*, select_result*, unsigned long) (sql_select.cc:545)
|
==1375468== by 0xA522A2: execute_sqlcom_select(THD*, TABLE_LIST*) (sql_parse.cc:6256)
|
==1375468== Block was alloc'd at
|
==1375468== at 0x483B7F3: malloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
|
==1375468== by 0x172B276: my_malloc (my_malloc.c:90)
|
==1375468== by 0xB3524A: Binary_string::real_alloc(unsigned long) (sql_string.cc:45)
|
==1375468== by 0x90D1DF: Binary_string::alloc(unsigned long) (sql_string.h:698)
|
==1375468== by 0xA2A702: Datetime::to_string(String*, unsigned int) const (sql_type.h:2583)
|
==1375468== by 0xA2E762: Item_datetimefunc::val_str(String*) (item_timefunc.h:704)
|
==1375468== by 0xEC0648: Item_func_md5::val_str_ascii(String*) (item_strfunc.cc:163)
|
==1375468== by 0xEBFFDF: Item_func::val_str_from_val_str_ascii(String*, String*) (item_strfunc.cc:98)
|
==1375468== by 0xD5FD27: Item_str_ascii_func::val_str(String*) (item_strfunc.h:94)
|
==1375468== by 0xF18BF5: Item_char_typecast::val_str_generic(String*) (item_timefunc.cc:3172)
|
==1375468== by 0xF22D86: Item_char_typecast_func_handler::val_str(Item_handled_func*, String*) const (item_timefunc.cc:3275)
|
==1375468== by 0xCE065C: Item_handled_func::val_str(String*) (item_func.h:770)
|
==1375468== by 0xE2161C: Item_copy_string::copy() (item.cc:4986)
|
==1375468== by 0xADCA81: copy_fields(TMP_TABLE_PARAM*) (sql_select.cc:25866)
|
==1375468== by 0xAD3FCD: end_send_group(JOIN*, st_join_table*, bool) (sql_select.cc:22515)
|
==1375468== by 0xACF3A8: do_select(JOIN*, Procedure*) (sql_select.cc:20552)
|
==1375468== Invalid read of size 8
|
==1375468== at 0x4842A97: memmove (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
|
==1375468== by 0xB35B3F: Binary_string::copy(Binary_string const&) (sql_string.cc:250)
|
==1375468== by 0x9D7137: String::copy(String const&) (sql_string.h:880)
|
==1375468== by 0xE2164C: Item_copy_string::copy() (item.cc:4988)
|
==1375468== by 0xADCA81: copy_fields(TMP_TABLE_PARAM*) (sql_select.cc:25866)
|
==1375468== by 0xAD3FCD: end_send_group(JOIN*, st_join_table*, bool) (sql_select.cc:22515)
|
==1375468== by 0xACF3A8: do_select(JOIN*, Procedure*) (sql_select.cc:20552)
|
==1375468== by 0xAA2836: JOIN::exec_inner() (sql_select.cc:4737)
|
==1375468== by 0xAA18AC: JOIN::exec() (sql_select.cc:4515)
|
==1375468== by 0xAA31E6: 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*) (sql_select.cc:4993)
|
==1375468== by 0xA923EA: handle_select(THD*, LEX*, select_result*, unsigned long) (sql_select.cc:545)
|
==1375468== by 0xA522A2: execute_sqlcom_select(THD*, TABLE_LIST*) (sql_parse.cc:6256)
|
==1375468== by 0xA4950A: mysql_execute_command(THD*, bool) (sql_parse.cc:3946)
|
==1375468== by 0xA570F2: mysql_parse(THD*, char*, unsigned int, Parser_state*) (sql_parse.cc:8030)
|
==1375468== by 0xA43522: dispatch_command(enum_server_command, THD*, char*, unsigned int, bool) (sql_parse.cc:1896)
|
==1375468== by 0xA41EBE: do_command(THD*, bool) (sql_parse.cc:1404)
|
==1375468== Address 0xc47f0b0 is 48 bytes inside a block of size 56 free'd
|
==1375468== at 0x483CA3F: free (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
|
==1375468== by 0x172BA65: my_free (my_malloc.c:211)
|
==1375468== by 0x8FB670: Binary_string::free_buffer() (sql_string.h:227)
|
==1375468== by 0xB3521B: Binary_string::real_alloc(unsigned long) (sql_string.cc:44)
|
==1375468== by 0x90D1DF: Binary_string::alloc(unsigned long) (sql_string.h:698)
|
==1375468== by 0xB35AF4: Binary_string::copy(Binary_string const&) (sql_string.cc:247)
|
==1375468== by 0x9D7137: String::copy(String const&) (sql_string.h:880)
|
==1375468== by 0xE2164C: Item_copy_string::copy() (item.cc:4988)
|
==1375468== by 0xADCA81: copy_fields(TMP_TABLE_PARAM*) (sql_select.cc:25866)
|
==1375468== by 0xAD3FCD: end_send_group(JOIN*, st_join_table*, bool) (sql_select.cc:22515)
|
==1375468== by 0xACF3A8: do_select(JOIN*, Procedure*) (sql_select.cc:20552)
|
==1375468== by 0xAA2836: JOIN::exec_inner() (sql_select.cc:4737)
|
==1375468== by 0xAA18AC: JOIN::exec() (sql_select.cc:4515)
|
==1375468== by 0xAA31E6: 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*) (sql_select.cc:4993)
|
==1375468== by 0xA923EA: handle_select(THD*, LEX*, select_result*, unsigned long) (sql_select.cc:545)
|
==1375468== by 0xA522A2: execute_sqlcom_select(THD*, TABLE_LIST*) (sql_parse.cc:6256)
|
==1375468== Block was alloc'd at
|
==1375468== at 0x483B7F3: malloc (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
|
==1375468== by 0x172B276: my_malloc (my_malloc.c:90)
|
==1375468== by 0xB3524A: Binary_string::real_alloc(unsigned long) (sql_string.cc:45)
|
==1375468== by 0x90D1DF: Binary_string::alloc(unsigned long) (sql_string.h:698)
|
==1375468== by 0xA2A702: Datetime::to_string(String*, unsigned int) const (sql_type.h:2583)
|
==1375468== by 0xA2E762: Item_datetimefunc::val_str(String*) (item_timefunc.h:704)
|
==1375468== by 0xEC0648: Item_func_md5::val_str_ascii(String*) (item_strfunc.cc:163)
|
==1375468== by 0xEBFFDF: Item_func::val_str_from_val_str_ascii(String*, String*) (item_strfunc.cc:98)
|
==1375468== by 0xD5FD27: Item_str_ascii_func::val_str(String*) (item_strfunc.h:94)
|
==1375468== by 0xF18BF5: Item_char_typecast::val_str_generic(String*) (item_timefunc.cc:3172)
|
==1375468== by 0xF22D86: Item_char_typecast_func_handler::val_str(Item_handled_func*, String*) const (item_timefunc.cc:3275)
|
==1375468== by 0xCE065C: Item_handled_func::val_str(String*) (item_func.h:770)
|
==1375468== by 0xE2161C: Item_copy_string::copy() (item.cc:4986)
|
==1375468== by 0xADCA81: copy_fields(TMP_TABLE_PARAM*) (sql_select.cc:25866)
|
==1375468== by 0xAD3FCD: end_send_group(JOIN*, st_join_table*, bool) (sql_select.cc:22515)
|
==1375468== by 0xACF3A8: do_select(JOIN*, Procedure*) (sql_select.cc:20552)
|
Non-instrumented builds don't crash, but a debug build returns garbage:
SELECT CAST(MD5(NOW()) AS CHAR) AS f, COUNT(*) FROM DUAL GROUP BY f;
|
f COUNT(*)
|
������������������������������� 1
|
Reproducible on 10.6-10.7, not reproducible on 10.5.
The failure appeared in 10.6 after this commit:
commit 36cdd5c3cdb06d8538f64c0b312ffe4672a92e75
|
Author: Monty <monty@mariadb.org>
|
Date: Wed Sep 16 11:23:50 2020 +0300
|
|
|
Optimize usage of c_ptr(), c_ptr_quick() and String::alloc()
|
|
The problem was that when one used String::alloc() to allocate a string,
|
Attachments
Issue Links
- is duplicated by
-
-
- Closed
-
- relates to
-
-
- Closed
-
Activity
The original testcase
SELECT CAST(MD5(NOW()) AS CHAR) AS f, COUNT(*) FROM DUAL GROUP BY f; |
Does not fail for me in any release.
The second testcase fails in 10.6 to 10.11.
ASAN|heap-use-after-free|sql/sql_string.cc|__interceptor_memmove|Binary_string::copy|String::copy|cmp_item_sort_string::store_value
|
ASAN|heap-use-after-free|sql/sql_string.cc|memmove|Binary_string::copy|String::copy|cmp_item_sort_string::store_value
|
This testcase:
SET NAMES DEFAULT; |
SELECT CAST(MD5 (NOW()) AS CHAR) AS f,COUNT(*); |
Currently (builds as of 1 Aug 23) produces these stacks:
ASAN|heap-use-after-free|sql/sql_string.cc|__interceptor_memmove|Binary_string::copy|String::copy|Item_copy_string::copy
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ASAN|heap-use-after-free|sql/sql_string.cc|memmove|Binary_string::copy|String::copy|Item_copy_string::copy
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Bug confirmed present in:
MariaDB: 10.6.15 (dbg), 10.6.15 (opt), 10.9.8 (dbg), 10.10.6 (dbg), 10.11.5 (dbg), 11.0.3 (dbg), 11.0.3 (opt), 11.1.2 (dbg), 11.1.2 (opt), 11.2.0 (dbg), 11.2.0 (opt)
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11.1.2 adc13e2c167c90f4b287efa7b1165c68d441be8d (Debug) |
11.1.2-dbg>SET NAMES DEFAULT;
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Query OK, 0 rows affected (0.000 sec)
|
|
|
11.1.2-dbg>SELECT CAST(MD5 (NOW()) AS CHAR) AS f,COUNT(*);
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+----------------------------------+----------+
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| f | COUNT(*) |
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+----------------------------------+----------+
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| �������������������������������� | 1 |
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+----------------------------------+----------+
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1 row in set (0.000 sec)
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SELECT CAST(MD5 (NOW()) AS CHAR);
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Will give
1d50fa80cfab2fe8da3b78e9e254d613
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However,
SELECT '1d50fa80cfab2fe8da3b78e9e254d613' AS f,COUNT(*);
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Does not produce the same heap-use-after-free.
Please also test any fixes with:
SET NAMES cp1250; |
SELECT CAST(MD5 (NOW()) AS CHAR) AS f,COUNT(*); |
Leads to:
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CS 11.8.0 cacaaebf01939d387645fb850ceeec5392496171 (Optimized, UBASAN, Clang) |
==2028175==ERROR: AddressSanitizer: heap-use-after-free on address 0x506000024278 at pc 0x55e88b405447 bp 0x14b651700010 sp 0x14b6516ff7d0
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READ of size 32 at 0x506000024278 thread T12
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#0 0x55e88b405446 in __asan_memmove (/test/UBASAN_MD170125-mariadb-11.8.0-linux-x86_64-opt/bin/mariadbd+0x24f3446) (BuildId: 46732527bc451b37e9a3dba99b5c507ce7d53cc5)
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#1 0x55e88bded89a in Binary_string::copy(Binary_string const&) /test/11.8_dbg_san/sql/sql_string.cc:257:5
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#2 0x55e88c95bc09 in String::copy(String const&) /test/11.8_dbg_san/sql/sql_string.h:947:27
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#3 0x55e88c95bc09 in Item_copy_string::copy() /test/11.8_dbg_san/sql/item.cc:5340:15
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#4 0x55e88bca52eb in copy_fields(TMP_TABLE_PARAM*) /test/11.8_dbg_san/sql/sql_select.cc:29278:11
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#5 0x55e88bc95dc7 in end_send_group(JOIN*, st_join_table*, bool) /test/11.8_dbg_san/sql/sql_select.cc:25679:7
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#6 0x55e88bbfcd27 in do_select(JOIN*, Procedure*) /test/11.8_dbg_san/sql/sql_select.cc:23549:14
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#7 0x55e88bbf90f1 in JOIN::exec_inner() /test/11.8_dbg_san/sql/sql_select.cc:5040:50
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#8 0x55e88bbf6a12 in JOIN::exec() /test/11.8_dbg_san/sql/sql_select.cc:4823:8
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#9 0x55e88bb70634 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*) /test/11.8_dbg_san/sql/sql_select.cc:5356:21
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#10 0x55e88bb6ef12 in handle_select(THD*, LEX*, select_result*, unsigned long long) /test/11.8_dbg_san/sql/sql_select.cc:633:10
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#11 0x55e88ba44167 in execute_sqlcom_select(THD*, TABLE_LIST*) /test/11.8_dbg_san/sql/sql_parse.cc:6191:12
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#12 0x55e88ba2fd39 in mysql_execute_command(THD*, bool) /test/11.8_dbg_san/sql/sql_parse.cc:3980:12
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#13 0x55e88b9ff588 in mysql_parse(THD*, char*, unsigned int, Parser_state*) /test/11.8_dbg_san/sql/sql_parse.cc:7915:18
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#14 0x55e88b9f364b in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool) /test/11.8_dbg_san/sql/sql_parse.cc:1903:7
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#15 0x55e88ba01fad in do_command(THD*, bool) /test/11.8_dbg_san/sql/sql_parse.cc:1416:17
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#16 0x55e88c0c576c in do_handle_one_connection(CONNECT*, bool) /test/11.8_dbg_san/sql/sql_connect.cc:1415:11
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#17 0x55e88c0c5027 in handle_one_connection /test/11.8_dbg_san/sql/sql_connect.cc:1327:5
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#18 0x55e88b404b5c in asan_thread_start(void*) asan_interceptors.cpp.o
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#19 0x14b68189ca93 in start_thread nptl/pthread_create.c:447:8
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#20 0x14b681929c3b in clone3 misc/../sysdeps/unix/sysv/linux/x86_64/clone3.S:78
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|
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0x506000024278 is located 24 bytes inside of 56-byte region [0x506000024260,0x506000024298)
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freed by thread T12 here:
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#0 0x55e88b406dda in free (/test/UBASAN_MD170125-mariadb-11.8.0-linux-x86_64-opt/bin/mariadbd+0x24f4dda) (BuildId: 46732527bc451b37e9a3dba99b5c507ce7d53cc5)
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#1 0x55e88bdeb87b in Binary_string::free_buffer() /test/11.8_dbg_san/sql/sql_string.h:266:7
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#2 0x55e88bdeb87b in Binary_string::real_alloc(unsigned long) /test/11.8_dbg_san/sql/sql_string.cc:40:5
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#3 0x55e88bded7fe in Binary_string::alloc(unsigned long) /test/11.8_dbg_san/sql/sql_string.h:763:12
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#4 0x55e88bded7fe in Binary_string::copy(Binary_string const&) /test/11.8_dbg_san/sql/sql_string.cc:254:7
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#5 0x55e88c95bc09 in String::copy(String const&) /test/11.8_dbg_san/sql/sql_string.h:947:27
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#6 0x55e88c95bc09 in Item_copy_string::copy() /test/11.8_dbg_san/sql/item.cc:5340:15
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#7 0x55e88bca52eb in copy_fields(TMP_TABLE_PARAM*) /test/11.8_dbg_san/sql/sql_select.cc:29278:11
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#8 0x55e88bc95dc7 in end_send_group(JOIN*, st_join_table*, bool) /test/11.8_dbg_san/sql/sql_select.cc:25679:7
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#9 0x55e88bbfcd27 in do_select(JOIN*, Procedure*) /test/11.8_dbg_san/sql/sql_select.cc:23549:14
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#10 0x55e88bbf90f1 in JOIN::exec_inner() /test/11.8_dbg_san/sql/sql_select.cc:5040:50
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#11 0x55e88bbf6a12 in JOIN::exec() /test/11.8_dbg_san/sql/sql_select.cc:4823:8
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#12 0x55e88bb70634 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*) /test/11.8_dbg_san/sql/sql_select.cc:5356:21
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#13 0x55e88bb6ef12 in handle_select(THD*, LEX*, select_result*, unsigned long long) /test/11.8_dbg_san/sql/sql_select.cc:633:10
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#14 0x55e88ba44167 in execute_sqlcom_select(THD*, TABLE_LIST*) /test/11.8_dbg_san/sql/sql_parse.cc:6191:12
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#15 0x55e88ba2fd39 in mysql_execute_command(THD*, bool) /test/11.8_dbg_san/sql/sql_parse.cc:3980:12
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#16 0x55e88b9ff588 in mysql_parse(THD*, char*, unsigned int, Parser_state*) /test/11.8_dbg_san/sql/sql_parse.cc:7915:18
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#17 0x55e88b9f364b in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool) /test/11.8_dbg_san/sql/sql_parse.cc:1903:7
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#18 0x55e88ba01fad in do_command(THD*, bool) /test/11.8_dbg_san/sql/sql_parse.cc:1416:17
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#19 0x55e88c0c576c in do_handle_one_connection(CONNECT*, bool) /test/11.8_dbg_san/sql/sql_connect.cc:1415:11
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#20 0x55e88c0c5027 in handle_one_connection /test/11.8_dbg_san/sql/sql_connect.cc:1327:5
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#21 0x55e88b404b5c in asan_thread_start(void*) asan_interceptors.cpp.o
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|
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previously allocated by thread T12 here:
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#0 0x55e88b407073 in malloc (/test/UBASAN_MD170125-mariadb-11.8.0-linux-x86_64-opt/bin/mariadbd+0x24f5073) (BuildId: 46732527bc451b37e9a3dba99b5c507ce7d53cc5)
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#1 0x55e88e1cd36d in my_malloc /test/11.8_dbg_san/mysys/my_malloc.c:93:29
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#2 0x55e88bdeb8d3 in Binary_string::real_alloc(unsigned long) /test/11.8_dbg_san/sql/sql_string.cc:41:23
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#3 0x55e88b9c9c8a in Binary_string::alloc(unsigned long) /test/11.8_dbg_san/sql/sql_string.h:763:12
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#4 0x55e88b9c9c8a in Datetime::to_string(String*, unsigned int) const /test/11.8_dbg_san/sql/sql_type.h:2671:15
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#5 0x55e88b9c9c8a in Item_timestampfunc::val_str(String*) /test/11.8_dbg_san/sql/item_timefunc.h:756:15
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#6 0x55e88cc43a66 in Item_func_md5::val_str_ascii(String*) /test/11.8_dbg_san/sql/item_strfunc.cc:177:27
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#7 0x55e88cc41e2a in Item_func::val_str_from_val_str_ascii(String*, String*) /test/11.8_dbg_san/sql/item_strfunc.cc:111:18
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#8 0x55e88ce51f69 in Item_char_typecast::val_str_generic(String*) /test/11.8_dbg_san/sql/item_timefunc.cc:3203:23
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#9 0x55e88c95bb45 in Item_copy_string::copy() /test/11.8_dbg_san/sql/item.cc:5338:21
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#10 0x55e88bca52eb in copy_fields(TMP_TABLE_PARAM*) /test/11.8_dbg_san/sql/sql_select.cc:29278:11
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#11 0x55e88bc95dc7 in end_send_group(JOIN*, st_join_table*, bool) /test/11.8_dbg_san/sql/sql_select.cc:25679:7
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#12 0x55e88bbfcd27 in do_select(JOIN*, Procedure*) /test/11.8_dbg_san/sql/sql_select.cc:23549:14
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#13 0x55e88bbf90f1 in JOIN::exec_inner() /test/11.8_dbg_san/sql/sql_select.cc:5040:50
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#14 0x55e88bbf6a12 in JOIN::exec() /test/11.8_dbg_san/sql/sql_select.cc:4823:8
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#15 0x55e88bb70634 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*) /test/11.8_dbg_san/sql/sql_select.cc:5356:21
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#16 0x55e88bb6ef12 in handle_select(THD*, LEX*, select_result*, unsigned long long) /test/11.8_dbg_san/sql/sql_select.cc:633:10
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#17 0x55e88ba44167 in execute_sqlcom_select(THD*, TABLE_LIST*) /test/11.8_dbg_san/sql/sql_parse.cc:6191:12
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#18 0x55e88ba2fd39 in mysql_execute_command(THD*, bool) /test/11.8_dbg_san/sql/sql_parse.cc:3980:12
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#19 0x55e88b9ff588 in mysql_parse(THD*, char*, unsigned int, Parser_state*) /test/11.8_dbg_san/sql/sql_parse.cc:7915:18
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#20 0x55e88b9f364b in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool) /test/11.8_dbg_san/sql/sql_parse.cc:1903:7
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#21 0x55e88ba01fad in do_command(THD*, bool) /test/11.8_dbg_san/sql/sql_parse.cc:1416:17
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#22 0x55e88c0c576c in do_handle_one_connection(CONNECT*, bool) /test/11.8_dbg_san/sql/sql_connect.cc:1415:11
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#23 0x55e88c0c5027 in handle_one_connection /test/11.8_dbg_san/sql/sql_connect.cc:1327:5
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#24 0x55e88b404b5c in asan_thread_start(void*) asan_interceptors.cpp.o
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Thread T12 created by T0 here:
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#0 0x55e88b3ec9e5 in pthread_create (/test/UBASAN_MD170125-mariadb-11.8.0-linux-x86_64-opt/bin/mariadbd+0x24da9e5) (BuildId: 46732527bc451b37e9a3dba99b5c507ce7d53cc5)
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#1 0x55e88b458a8a in create_thread_to_handle_connection(CONNECT*) /test/11.8_dbg_san/sql/mysqld.cc:6264:19
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#2 0x55e88b459a55 in handle_connections_sockets() /test/11.8_dbg_san/sql/mysqld.cc:6500:9
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#3 0x55e88b457cea in run_main_loop() /test/11.8_dbg_san/sql/mysqld.cc:5742:3
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#4 0x55e88b44e841 in mysqld_main(int, char**) /test/11.8_dbg_san/sql/mysqld.cc:6165:3
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#5 0x14b68182a1c9 in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
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#6 0x14b68182a28a in __libc_start_main csu/../csu/libc-start.c:360:3
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#7 0x55e88b36c224 in _start (/test/UBASAN_MD170125-mariadb-11.8.0-linux-x86_64-opt/bin/mariadbd+0x245a224) (BuildId: 46732527bc451b37e9a3dba99b5c507ce7d53cc5)
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SUMMARY: AddressSanitizer: heap-use-after-free (/test/UBASAN_MD170125-mariadb-11.8.0-linux-x86_64-opt/bin/mariadbd+0x24f3446) (BuildId: 46732527bc451b37e9a3dba99b5c507ce7d53cc5) in __asan_memmove
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Shadow bytes around the buggy address:
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0x506000023f80: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
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0x506000024000: fa fa fa fa 00 00 00 00 00 00 00 00 fa fa fa fa
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0x506000024080: fd fd fd fd fd fd fd fd fa fa fa fa fd fd fd fd
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0x506000024100: fd fd fd fa fa fa fa fa fd fd fd fd fd fd fd fd
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0x506000024180: fa fa fa fa fd fd fd fd fd fd fd fd fa fa fa fa
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=>0x506000024200: fd fd fd fd fd fd fd fa fa fa fa fa fd fd fd[fd]
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0x506000024280: fd fd fd fa fa fa fa fa 00 00 00 00 00 00 00 00
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0x506000024300: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
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0x506000024380: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
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0x506000024400: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
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0x506000024480: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
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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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==2028175==ABORTING
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Another one, started from the same commit
# Cleanup10.6 7da0f30c
==562164==ERROR: AddressSanitizer: heap-use-after-free on address 0x6130000210d8 at pc 0x7f9539576541 bp 0x7f952fc9aa80 sp 0x7f952fc9a230READ of size 360 at 0x6130000210d8 thread T5#0 0x7f9539576540 in __interceptor_memmove ../../../../src/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:789#1 0x56302b4ebc03 in Binary_string::copy(Binary_string const&) /data/src/10.6/sql/sql_string.cc:250#2 0x56302bb26b2f in String::copy(String const&) /data/src/10.6/sql/sql_string.h:880#3 0x56302bb26b2f in cmp_item_sort_string::store_value(Item*) /data/src/10.6/sql/item_cmpfunc.h:1727#4 0x56302badb3e1 in Predicant_to_list_comparator::cmp_arg(Item_args*, unsigned int) /data/src/10.6/sql/item_cmpfunc.h:2068#5 0x56302badb3e1 in Predicant_to_list_comparator::cmp(Item_args*, unsigned int*, bool*) /data/src/10.6/sql/item_cmpfunc.h:2259#6 0x56302badb3e1 in Item_func_case_simple::find_item() /data/src/10.6/sql/item_cmpfunc.cc:3013#7 0x56302bacefe5 in Item_func_case::int_op() /data/src/10.6/sql/item_cmpfunc.cc:3051#8 0x56302ba9701f in Item::save_int_in_field(Field*, bool) /data/src/10.6/sql/item.cc:6814#9 0x56302ba5eec0 in Item::save_in_field(Field*, bool) /data/src/10.6/sql/item.cc:6824#10 0x56302b408490 in copy_funcs(Item**, THD const*) /data/src/10.6/sql/sql_select.cc:26315#11 0x56302b4087ca in end_write /data/src/10.6/sql/sql_select.cc:22593#12 0x56302b378ac6 in evaluate_join_record /data/src/10.6/sql/sql_select.cc:21338#13 0x56302b3b621a in sub_select(JOIN*, st_join_table*, bool) /data/src/10.6/sql/sql_select.cc:21147#14 0x56302b4578e1 in do_select /data/src/10.6/sql/sql_select.cc:20653#15 0x56302b4578e1 in JOIN::exec_inner() /data/src/10.6/sql/sql_select.cc:4755#16 0x56302b4593f2 in JOIN::exec() /data/src/10.6/sql/sql_select.cc:4533#17 0x56302b451cfb 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:5012#18 0x56302b4537d5 in handle_select(THD*, LEX*, select_result*, unsigned long) /data/src/10.6/sql/sql_select.cc:545#19 0x56302b2ca5a0 in execute_sqlcom_select /data/src/10.6/sql/sql_parse.cc:6271#20 0x56302b2f3137 in mysql_execute_command(THD*, bool) /data/src/10.6/sql/sql_parse.cc:3961#21 0x56302b2f808a in mysql_parse(THD*, char*, unsigned int, Parser_state*) /data/src/10.6/sql/sql_parse.cc:8045#22 0x56302b2fd6c4 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool) /data/src/10.6/sql/sql_parse.cc:1912#23 0x56302b3030c5 in do_command(THD*, bool) /data/src/10.6/sql/sql_parse.cc:1409#24 0x56302b68807d in do_handle_one_connection(CONNECT*, bool) /data/src/10.6/sql/sql_connect.cc:1418#25 0x56302b6885bc in handle_one_connection /data/src/10.6/sql/sql_connect.cc:1312#26 0x56302c1c096b in pfs_spawn_thread /data/src/10.6/storage/perfschema/pfs.cc:2201#27 0x7f9539052ea6 in start_thread nptl/pthread_create.c:477#28 0x7f9538c4fdee in __clone (/lib/x86_64-linux-gnu/libc.so.6+0xfddee)0x6130000210d8 is located 24 bytes inside of 384-byte region [0x6130000210c0,0x613000021240)freed by thread T5 here:#0 0x7f95395e6b6f in __interceptor_free ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:123#1 0x56302b4eb12e in Binary_string::free_buffer() /data/src/10.6/sql/sql_string.h:227#2 0x56302b4eb12e in Binary_string::free_buffer() /data/src/10.6/sql/sql_string.h:222#3 0x56302b4eb12e in Binary_string::real_alloc(unsigned long) /data/src/10.6/sql/sql_string.cc:44#4 0x56302b4ebb46 in Binary_string::alloc(unsigned long) /data/src/10.6/sql/sql_string.h:698#5 0x56302b4ebb46 in Binary_string::copy(Binary_string const&) /data/src/10.6/sql/sql_string.cc:247#6 0x56302bb26b2f in String::copy(String const&) /data/src/10.6/sql/sql_string.h:880#7 0x56302bb26b2f in cmp_item_sort_string::store_value(Item*) /data/src/10.6/sql/item_cmpfunc.h:1727#8 0x56302badb3e1 in Predicant_to_list_comparator::cmp_arg(Item_args*, unsigned int) /data/src/10.6/sql/item_cmpfunc.h:2068#9 0x56302badb3e1 in Predicant_to_list_comparator::cmp(Item_args*, unsigned int*, bool*) /data/src/10.6/sql/item_cmpfunc.h:2259#10 0x56302badb3e1 in Item_func_case_simple::find_item() /data/src/10.6/sql/item_cmpfunc.cc:3013#11 0x56302bacefe5 in Item_func_case::int_op() /data/src/10.6/sql/item_cmpfunc.cc:3051#12 0x56302ba9701f in Item::save_int_in_field(Field*, bool) /data/src/10.6/sql/item.cc:6814#13 0x56302ba5eec0 in Item::save_in_field(Field*, bool) /data/src/10.6/sql/item.cc:6824#14 0x56302b408490 in copy_funcs(Item**, THD const*) /data/src/10.6/sql/sql_select.cc:26315#15 0x56302b4087ca in end_write /data/src/10.6/sql/sql_select.cc:22593#16 0x56302b378ac6 in evaluate_join_record /data/src/10.6/sql/sql_select.cc:21338#17 0x56302b3b621a in sub_select(JOIN*, st_join_table*, bool) /data/src/10.6/sql/sql_select.cc:21147#18 0x56302b4578e1 in do_select /data/src/10.6/sql/sql_select.cc:20653#19 0x56302b4578e1 in JOIN::exec_inner() /data/src/10.6/sql/sql_select.cc:4755#20 0x56302b4593f2 in JOIN::exec() /data/src/10.6/sql/sql_select.cc:4533#21 0x56302b451cfb 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:5012#22 0x56302b4537d5 in handle_select(THD*, LEX*, select_result*, unsigned long) /data/src/10.6/sql/sql_select.cc:545#23 0x56302b2ca5a0 in execute_sqlcom_select /data/src/10.6/sql/sql_parse.cc:6271#24 0x56302b2f3137 in mysql_execute_command(THD*, bool) /data/src/10.6/sql/sql_parse.cc:3961#25 0x56302b2f808a in mysql_parse(THD*, char*, unsigned int, Parser_state*) /data/src/10.6/sql/sql_parse.cc:8045#26 0x56302b2fd6c4 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool) /data/src/10.6/sql/sql_parse.cc:1912#27 0x56302b3030c5 in do_command(THD*, bool) /data/src/10.6/sql/sql_parse.cc:1409#28 0x56302b68807d in do_handle_one_connection(CONNECT*, bool) /data/src/10.6/sql/sql_connect.cc:1418#29 0x56302b6885bc in handle_one_connection /data/src/10.6/sql/sql_connect.cc:1312#30 0x56302c1c096b in pfs_spawn_thread /data/src/10.6/storage/perfschema/pfs.cc:2201#31 0x7f9539052ea6 in start_thread nptl/pthread_create.c:477previously allocated by thread T5 here:#0 0x7f95395e6e8f in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:145#1 0x56302caaafa8 in my_malloc /data/src/10.6/mysys/my_malloc.c:90#2 0x56302b4eb08c in Binary_string::real_alloc(unsigned long) /data/src/10.6/sql/sql_string.cc:45#3 0x56302b9fd41a in Binary_string::alloc(unsigned long) /data/src/10.6/sql/sql_string.h:698#4 0x56302b9fd41a in uncompress_zlib /data/src/10.6/sql/field_comp.cc:110#5 0x56302b9c13ef in Field_longstr::uncompress(String*, String*, unsigned char const*, unsigned int) const /data/src/10.6/sql/field.cc:8424#6 0x56302bd75954 in Item_char_typecast::val_str_generic(String*) /data/src/10.6/sql/item_timefunc.cc:3172#7 0x56302bb26a7c in cmp_item_sort_string::store_value(Item*) /data/src/10.6/sql/item_cmpfunc.h:1722#8 0x56302badb3e1 in Predicant_to_list_comparator::cmp_arg(Item_args*, unsigned int) /data/src/10.6/sql/item_cmpfunc.h:2068#9 0x56302badb3e1 in Predicant_to_list_comparator::cmp(Item_args*, unsigned int*, bool*) /data/src/10.6/sql/item_cmpfunc.h:2259#10 0x56302badb3e1 in Item_func_case_simple::find_item() /data/src/10.6/sql/item_cmpfunc.cc:3013#11 0x56302bacefe5 in Item_func_case::int_op() /data/src/10.6/sql/item_cmpfunc.cc:3051#12 0x56302ba9701f in Item::save_int_in_field(Field*, bool) /data/src/10.6/sql/item.cc:6814#13 0x56302ba5eec0 in Item::save_in_field(Field*, bool) /data/src/10.6/sql/item.cc:6824#14 0x56302b408490 in copy_funcs(Item**, THD const*) /data/src/10.6/sql/sql_select.cc:26315#15 0x56302b4087ca in end_write /data/src/10.6/sql/sql_select.cc:22593#16 0x56302b378ac6 in evaluate_join_record /data/src/10.6/sql/sql_select.cc:21338#17 0x56302b3b60d4 in sub_select(JOIN*, st_join_table*, bool) /data/src/10.6/sql/sql_select.cc:21108#18 0x56302b4578e1 in do_select /data/src/10.6/sql/sql_select.cc:20653#19 0x56302b4578e1 in JOIN::exec_inner() /data/src/10.6/sql/sql_select.cc:4755#20 0x56302b4593f2 in JOIN::exec() /data/src/10.6/sql/sql_select.cc:4533#21 0x56302b451cfb 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:5012#22 0x56302b4537d5 in handle_select(THD*, LEX*, select_result*, unsigned long) /data/src/10.6/sql/sql_select.cc:545#23 0x56302b2ca5a0 in execute_sqlcom_select /data/src/10.6/sql/sql_parse.cc:6271#24 0x56302b2f3137 in mysql_execute_command(THD*, bool) /data/src/10.6/sql/sql_parse.cc:3961#25 0x56302b2f808a in mysql_parse(THD*, char*, unsigned int, Parser_state*) /data/src/10.6/sql/sql_parse.cc:8045#26 0x56302b2fd6c4 in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool) /data/src/10.6/sql/sql_parse.cc:1912#27 0x56302b3030c5 in do_command(THD*, bool) /data/src/10.6/sql/sql_parse.cc:1409#28 0x56302b68807d in do_handle_one_connection(CONNECT*, bool) /data/src/10.6/sql/sql_connect.cc:1418#29 0x56302b6885bc in handle_one_connection /data/src/10.6/sql/sql_connect.cc:1312#30 0x56302c1c096b in pfs_spawn_thread /data/src/10.6/storage/perfschema/pfs.cc:2201#31 0x7f9539052ea6 in start_thread nptl/pthread_create.c:477Thread T5 created by T0 here:#0 0x7f95395922a2 in __interceptor_pthread_create ../../../../src/libsanitizer/asan/asan_interceptors.cpp:214#1 0x56302c1c0be9 in my_thread_create /data/src/10.6/storage/perfschema/my_thread.h:52#2 0x56302c1c0be9 in pfs_spawn_thread_v1 /data/src/10.6/storage/perfschema/pfs.cc:2252#3 0x56302b05dfcd in inline_mysql_thread_create /data/src/10.6/include/mysql/psi/mysql_thread.h:1139#4 0x56302b05dfcd in create_thread_to_handle_connection(CONNECT*) /data/src/10.6/sql/mysqld.cc:5970#5 0x56302b069747 in handle_accepted_socket(st_mysql_socket, st_mysql_socket) /data/src/10.6/sql/mysqld.cc:6091#6 0x56302b06a2df in handle_connections_sockets() /data/src/10.6/sql/mysqld.cc:6215#7 0x56302b06bb69 in mysqld_main(int, char**) /data/src/10.6/sql/mysqld.cc:5865#8 0x7f9538b78d09 in __libc_start_main ../csu/libc-start.c:308SUMMARY: AddressSanitizer: heap-use-after-free ../../../../src/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:789 in __interceptor_memmoveShadow bytes around the buggy address:0x0c267fffc1c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 000x0c267fffc1d0: 00 00 00 00 00 00 00 fa fa fa fa fa fa fa fa fa0x0c267fffc1e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 000x0c267fffc1f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 000x0c267fffc200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fa=>0x0c267fffc210: fa fa fa fa fa fa fa fa fd fd fd[fd]fd fd fd fd0x0c267fffc220: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd0x0c267fffc230: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd0x0c267fffc240: fd fd fd fd fd fd fd fd fa fa fa fa fa fa fa fa0x0c267fffc250: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa0x0c267fffc260: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa faShadow byte legend (one shadow byte represents 8 application bytes):Addressable: 00Partially addressable: 01 02 03 04 05 06 07Heap left redzone: faFreed heap region: fdStack left redzone: f1Stack mid redzone: f2Stack right redzone: f3Stack after return: f5Stack use after scope: f8Global redzone: f9Global init order: f6Poisoned by user: f7Container overflow: fcArray cookie: acIntra object redzone: bbASan internal: feLeft alloca redzone: caRight alloca redzone: cbShadow gap: cc