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  1. MariaDB Server
  2. MDEV-36565

Assertion `src != ((void *)0)' failed in my_casedn_8bit

Details

    Description

      SET NAMES latin1;
      		 
      SELECT  lcase((extractvalue('a', 'a'))) a FROM (select 1) dt;
      		 
      SELECT  ucase((extractvalue('a', 'a'))) a FROM (select 1) dt;


      Server version: 11.4.6-MariaDB-debug-log source revision: c6de1267dda77d78f843b26b4dafe0bc0473f7d5
      		 
       
      		 
      strings/ctype-simple.c:270(my_casedn_8bit)[0x55ee09d5dab9]
      		 
      sql/item_strfunc.cc:2001(Item_str_conv::val_str(String*))[0x55ee08896452]
      		 
      sql/sql_type.cc:7680(Type_handler::Item_send_str(Item*, Protocol*, st_value*) const)[0x55ee08424948]
      		 
      sql/sql_type.h:5611(Type_handler_string_result::Item_send(Item*, Protocol*, st_value*) const)[0x55ee0817c6c4]
      		 
      sql/item.h:1262(Item::send(Protocol*, st_value*))[0x55ee078fee84]
      		 
      sql/protocol.cc:1333(Protocol::send_result_set_row(List<Item>*))[0x55ee079d66c6]
      		 
      sql/sql_class.cc:3264(select_send::send_data(List<Item>&))[0x55ee07b86d12]
      		 
      sql/sql_class.h:6099(select_result_sink::send_data_with_check(List<Item>&, st_select_lex_unit*, unsigned long long))[0x55ee07eda915]
      		 
      sql/sql_select.cc:25543(end_send(JOIN*, st_join_table*, bool))[0x55ee07e8ec53]
      		 
      sql/sql_select.cc:23676(do_select(JOIN*, Procedure*))[0x55ee07e8211c]
      		 
      sql/sql_select.cc:5052(JOIN::exec_inner())[0x55ee07dfbd8a]
      		 
      sql/sql_select.cc:4838(JOIN::exec())[0x55ee07df9176]
      		 
      sql/sql_select.cc:5368(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*))[0x55ee07dfd9c0]
      		 
      sql/sql_select.cc:642(handle_select(THD*, LEX*, select_result*, unsigned long long))[0x55ee07dcb166]
      		 
      sql/sql_parse.cc:6183(execute_sqlcom_select(THD*, TABLE_LIST*))[0x55ee07ce5c69]
      		 
      sql/sql_parse.cc:3975(mysql_execute_command(THD*, bool))[0x55ee07cd59b5]
      		 
      sql/sql_parse.cc:7907(mysql_parse(THD*, char*, unsigned int, Parser_state*))[0x55ee07cf0cda]
      		 
      sql/sql_parse.cc:1906(dispatch_command(enum_server_command, THD*, char*, unsigned int, bool))[0x55ee07cc732a]
      		 
      sql/sql_parse.cc:1417(do_command(THD*, bool))[0x55ee07cc3ff1]
      		 
      sql/sql_connect.cc:1408(do_handle_one_connection(CONNECT*, bool))[0x55ee081c66b5]
      		 
      sql/sql_connect.cc:1322(handle_one_connection)[0x55ee081c6208]
      		 
      perfschema/pfs.cc:2203(pfs_spawn_thread)[0x55ee08eb191c]
      		 
      nptl/pthread_create.c:478(start_thread)[0x7f9376c4e609]
      		 
       
      		 
      Query (0x62d0003704a8): SELECT  lcase((extractvalue('1939-09-1', 'a'))) a FROM (select 1) dt

      appeared after c1559f261f2e7a95b035e2be8510e4ef47c6cd23 commit

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          is caused by

          Bug - A problem which impairs or prevents the functions of the product. MDEV-35688 UBSAN: SUMMARY: UndefinedBehaviorSanitizer: nullptr-with-offset in my_casedn_utf8mb3

          • Critical - Crashes, loss of data, severe memory leak.
          • Closed
          relates to

          Bug - A problem which impairs or prevents the functions of the product. MDEV-35864 UBSAN: "applying zero offset to null pointer" when using a Field_set with empty values

          • Critical - Crashes, loss of data, severe memory leak.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. MDEV-35945 Assertion `src != ((void *)0)' failed in my_caseup_8bit

          • Blocker - Blocks development and/or testing work, production could not run.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. MDEV-35621 UBSAN: runtime error: applying zero offset to null pointer in my_strnxfrm_utf8mb3_general_ci, my_uca_scanner_init_any and my_uca_scanner_next_utf8mb3 and in _utf8mb4 functions, and null pointer passed as argument 2, which is declared to never be null

          • Major - Major loss of function.
          • Confirmed

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              bar Alexander Barkov
              alice Alice Sherepa
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              Dates

                Created:
                Updated:
                Resolved:

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