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  1. MariaDB Server
  2. MDEV-38867

SIGSEGV & UBSAN null-pointer-use in alter_options_need_rebuild, UBSAN null-pointer-use in ha_innobase::check_if_supported_inplace_alter

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Details

    • Can result in hang or crash

    Description

      --source include/have_innodb.inc
      INSTALL SONAME 'ha_mroonga';
      CREATE TABLE t (c INT KEY,c2 INT) ENGINE=mroonga COMMENT='ENGINE "InnoDB"';
      ALTER TABLE t TABLESPACE foo;
      

      Leads to:

      CS 12.3.1 21a0714a118614982d20bfa504763d7247800091 (Debug, Clang 21.1.3-20250923) Build 17/02/2026

      Core was generated by `/test/MD170226-mariadb-12.3.1-linux-x86_64-dbg/bin/mariadbd --no-defaults --max'.
      Program terminated with signal SIGSEGV, Segmentation fault.
      #0  0x00005e034502643c in alter_options_need_rebuild (ha_alter_info=0x7552f0f6a9c0, opt=...)at /test/12.3_dbg/storage/innobase/handler/handler0alter.cc:1564
       
      [Current thread is 1 (LWP 516132)]
      (gdb) bt
      #0  0x00005e034502643c in alter_options_need_rebuild (ha_alter_info=0x7552f0f6a9c0, opt=<error reading variable: Cannot access memory at address 0x0>)at /test/12.3_dbg/storage/innobase/handler/handler0alter.cc:1564
      #1  0x00005e0345024cbc in ha_innobase::check_if_supported_inplace_alter (this=0x75518d6d4e10, altered_table=0x75518d70b398, ha_alter_info=0x7552f0f6a9c0)at /test/12.3_dbg/storage/innobase/handler/handler0alter.cc:2341
      #2  0x00007552a9f8ffec in ha_mroonga::wrapper_check_if_supported_inplace_alter(this=0x75518ede46a8, altered_table=0x7552f0f69f40, ha_alter_info=0x7552f0f6a9c0)at /test/12.3_dbg/storage/mroonga/ha_mroonga.cpp:14604
      #3  0x00007552a9f902ec in ha_mroonga::check_if_supported_inplace_alter (this=0x75518ede46a8, altered_table=0x7552f0f69f40, ha_alter_info=0x7552f0f6a9c0)at /test/12.3_dbg/storage/mroonga/ha_mroonga.cpp:14651
      #4  0x00005e0344a6ea3d in mysql_alter_table (thd=0x75518c000d58, new_db=0x75518c005ba0, new_name=0x75518c006018, create_info=0x7552f0f6cf90, table_list=0x75518c01a208, recreate_info=0x7552f0f6c6a8, alter_info=0x7552f0f6ce18, order_num=0, order=0x0, ignore=false, if_exists=false)at /test/12.3_dbg/sql/sql_table.cc:11718
      #5  0x00005e0344b409ed in Sql_cmd_alter_table::execute (this=0x75518c01a968, thd=0x75518c000d58) at /test/12.3_dbg/sql/sql_alter.cc:695
      #6  0x00005e0344943459 in mysql_execute_command (thd=0x75518c000d58, is_called_from_prepared_stmt=false) at /test/12.3_dbg/sql/sql_parse.cc:5901
      #7  0x00005e0344934678 in mysql_parse (thd=0x75518c000d58, rawbuf=0x75518c01a120 "ALTER TABLE t TABLESPACE foo", length=28, parser_state=0x7552f0f6e9f0) at /test/12.3_dbg/sql/sql_parse.cc:7940
      #8  0x00005e0344931e2e in dispatch_command (command=COM_QUERY, thd=0x75518c000d58, packet=0x75518c00b4c9 "ALTER TABLE t TABLESPACE foo", packet_length=28, blocking=true) at /test/12.3_dbg/sql/sql_parse.cc:1896
      #9  0x00005e03449350fa in do_command (thd=0x75518c000d58, blocking=true)at /test/12.3_dbg/sql/sql_parse.cc:1432
      #10 0x00005e0344b3499e in do_handle_one_connection (connect=0x5e034710a6c8, put_in_cache=true) at /test/12.3_dbg/sql/sql_connect.cc:1503
      #11 0x00005e0344b34781 in handle_one_connection (arg=0x5e03470ee288)at /test/12.3_dbg/sql/sql_connect.cc:1415
      #12 0x00007552f4c9ca94 in start_thread (arg=<optimized out>)at ./nptl/pthread_create.c:447
      #13 0x00007552f4d29c3c in clone3 ()at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78
      

      Bug Detection Matrix

          Rel    o/d  Build   Commit                                    UniqueID observed             
      CS  10.6   dbg  230126  cd02709a315c9f08965d6b8fb7e75baaae17a4f4  SIGSEGV|alter_options_need_rebuild|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|ha_mroonga::check_if_supported_inplace_alter
      CS  10.6   opt  230126  cd02709a315c9f08965d6b8fb7e75baaae17a4f4  SIGSEGV|alter_options_need_rebuild|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|mysql_alter_table
      CS  10.11  dbg  230126  b061b5ab1f2cd2a6993e53dc24a865304ced14cd  SIGSEGV|alter_options_need_rebuild|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|ha_mroonga::check_if_supported_inplace_alter
      CS  10.11  opt  230126  b061b5ab1f2cd2a6993e53dc24a865304ced14cd  SIGSEGV|alter_options_need_rebuild|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|mysql_alter_table
      CS  11.4   dbg  260126  b6d0e23d76fe5936b6a29379ab494852e4d493b1  SIGSEGV|alter_options_need_rebuild|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|ha_mroonga::check_if_supported_inplace_alter
      CS  11.4   opt  260126  b6d0e23d76fe5936b6a29379ab494852e4d493b1  SIGSEGV|alter_options_need_rebuild|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|mysql_alter_table
      CS  11.8   dbg  230126  01ff5ae6b677bead4c41d91bf5afb25c593a1d02  SIGSEGV|alter_options_need_rebuild|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|ha_mroonga::check_if_supported_inplace_alter
      CS  11.8   opt  230126  01ff5ae6b677bead4c41d91bf5afb25c593a1d02  SIGSEGV|alter_options_need_rebuild|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|mysql_alter_table
      CS  12.2   dbg  230126  6ca70dd64ce56da40fad3bcd0641493210dd0a4c  SIGSEGV|alter_options_need_rebuild|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|ha_mroonga::check_if_supported_inplace_alter
      CS  12.2   opt  230126  6ca70dd64ce56da40fad3bcd0641493210dd0a4c  SIGSEGV|alter_options_need_rebuild|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|mysql_alter_table
      CS  12.3   dbg  170226  21a0714a118614982d20bfa504763d7247800091  SIGSEGV|alter_options_need_rebuild|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|ha_mroonga::check_if_supported_inplace_alter
      CS  12.3   opt  170226  21a0714a118614982d20bfa504763d7247800091  SIGSEGV|alter_options_need_rebuild|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|mysql_alter_table
      ES  10.6   dbg  230126  0fe345fff3a0463224ca714831303d40fb83648b  SIGSEGV|alter_options_need_rebuild|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|ha_mroonga::check_if_supported_inplace_alter
      ES  10.6   opt  230126  0fe345fff3a0463224ca714831303d40fb83648b  SIGSEGV|alter_options_need_rebuild|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|mysql_alter_table
      ES  11.4   dbg  230126  34f616d5fd2c649d0c79acb4e2423c90b8f10436  SIGSEGV|alter_options_need_rebuild|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|ha_mroonga::check_if_supported_inplace_alter
      ES  11.4   opt  230126  34f616d5fd2c649d0c79acb4e2423c90b8f10436  SIGSEGV|alter_options_need_rebuild|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|mysql_alter_table
      ES  11.8   dbg  230126  405ee76b60c4ab82155f339136ed20d3b7363717  SIGSEGV|alter_options_need_rebuild|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|ha_mroonga::check_if_supported_inplace_alter
      ES  11.8   opt  230126  405ee76b60c4ab82155f339136ed20d3b7363717  SIGSEGV|alter_options_need_rebuild|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|mysql_alter_table      
      

      And UBSAN sees an null-pointer-use issues:

      CS 12.3.1 21a0714a118614982d20bfa504763d7247800091 (Debug, UBASAN, Clang 21.1.3-20250923) Build 17/02/2026

      /test/12.3_dbg_san/storage/innobase/handler/handler0alter.cc:2341:52: runtime error: reference binding to null pointer of type 'const ha_table_option_struct'
          #0 0x5f3d70b3c3d3 in ha_innobase::check_if_supported_inplace_alter(TABLE*, Alter_inplace_info*) /test/12.3_dbg_san/storage/innobase/handler/handler0alter.cc:2341:10
          #1 0x6e5e234f1ac2 in ha_mroonga::wrapper_check_if_supported_inplace_alter(TABLE*, Alter_inplace_info*) /test/12.3_dbg_san/storage/mroonga/ha_mroonga.cpp:14604:26
          #2 0x6e5e234f38cd in ha_mroonga::check_if_supported_inplace_alter(TABLE*, Alter_inplace_info*) /test/12.3_dbg_san/storage/mroonga/ha_mroonga.cpp:14651:14
          #3 0x5f3d6f7a9407 in mysql_alter_table(THD*, st_mysql_const_lex_string const*, st_mysql_const_lex_string const*, Table_specification_st*, TABLE_LIST*, Recreate_info*, Alter_info*, unsigned int, st_order*, bool, bool) /test/12.3_dbg_san/sql/sql_table.cc:11718:22
          #4 0x5f3d6fad5eea in Sql_cmd_alter_table::execute(THD*) /test/12.3_dbg_san/sql/sql_alter.cc:695:11
          #5 0x5f3d6f29795d in mysql_execute_command(THD*, bool) /test/12.3_dbg_san/sql/sql_parse.cc:5901:26
          #6 0x5f3d6f27a678 in mysql_parse(THD*, char*, unsigned int, Parser_state*) /test/12.3_dbg_san/sql/sql_parse.cc:7940:18
          #7 0x5f3d6f27237e in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool) /test/12.3_dbg_san/sql/sql_parse.cc:1896:7
          #8 0x5f3d6f27caba in do_command(THD*, bool) /test/12.3_dbg_san/sql/sql_parse.cc:1432:17
          #9 0x5f3d6faa921c in do_handle_one_connection(CONNECT*, bool) /test/12.3_dbg_san/sql/sql_connect.cc:1503:11
          #10 0x5f3d6faa8d25 in handle_one_connection /test/12.3_dbg_san/sql/sql_connect.cc:1415:5
          #11 0x5f3d6e17282a in asan_thread_start(void*) crtstuff.c
          #12 0x725f2da9ca93 in start_thread nptl/pthread_create.c:447:8
          #13 0x725f2db29c3b in clone3 misc/../sysdeps/unix/sysv/linux/x86_64/clone3.S:78
       
      SUMMARY: UndefinedBehaviorSanitizer: null-pointer-use /test/12.3_dbg_san/storage/innobase/handler/handler0alter.cc:2341:52 
      

      CS 12.3.1 21a0714a118614982d20bfa504763d7247800091 (Debug, UBASAN, Clang 21.1.3-20250923) Build 17/02/2026

      /test/12.3_dbg_san/storage/innobase/handler/handler0alter.cc:1560:4: runtime error: reference binding to null pointer of type 'const ha_table_option_struct'
          #0 0x5f3d70b4453c in alter_options_need_rebuild(Alter_inplace_info const*, ha_table_option_struct const&) /test/12.3_dbg_san/storage/innobase/handler/handler0alter.cc:1559:32
          #1 0x5f3d70b3a940 in ha_innobase::check_if_supported_inplace_alter(TABLE*, Alter_inplace_info*) /test/12.3_dbg_san/storage/innobase/handler/handler0alter.cc:2341:10
          #2 0x6e5e234f1ac2 in ha_mroonga::wrapper_check_if_supported_inplace_alter(TABLE*, Alter_inplace_info*) /test/12.3_dbg_san/storage/mroonga/ha_mroonga.cpp:14604:26
          #3 0x6e5e234f38cd in ha_mroonga::check_if_supported_inplace_alter(TABLE*, Alter_inplace_info*) /test/12.3_dbg_san/storage/mroonga/ha_mroonga.cpp:14651:14
          #4 0x5f3d6f7a9407 in mysql_alter_table(THD*, st_mysql_const_lex_string const*, st_mysql_const_lex_string const*, Table_specification_st*, TABLE_LIST*, Recreate_info*, Alter_info*, unsigned int, st_order*, bool, bool) /test/12.3_dbg_san/sql/sql_table.cc:11718:22
          #5 0x5f3d6fad5eea in Sql_cmd_alter_table::execute(THD*) /test/12.3_dbg_san/sql/sql_alter.cc:695:11
          #6 0x5f3d6f29795d in mysql_execute_command(THD*, bool) /test/12.3_dbg_san/sql/sql_parse.cc:5901:26
          #7 0x5f3d6f27a678 in mysql_parse(THD*, char*, unsigned int, Parser_state*) /test/12.3_dbg_san/sql/sql_parse.cc:7940:18
          #8 0x5f3d6f27237e in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool) /test/12.3_dbg_san/sql/sql_parse.cc:1896:7
          #9 0x5f3d6f27caba in do_command(THD*, bool) /test/12.3_dbg_san/sql/sql_parse.cc:1432:17
          #10 0x5f3d6faa921c in do_handle_one_connection(CONNECT*, bool) /test/12.3_dbg_san/sql/sql_connect.cc:1503:11
          #11 0x5f3d6faa8d25 in handle_one_connection /test/12.3_dbg_san/sql/sql_connect.cc:1415:5
          #12 0x5f3d6e17282a in asan_thread_start(void*) crtstuff.c
          #13 0x725f2da9ca93 in start_thread nptl/pthread_create.c:447:8
          #14 0x725f2db29c3b in clone3 misc/../sysdeps/unix/sysv/linux/x86_64/clone3.S:78
       
      SUMMARY: UndefinedBehaviorSanitizer: null-pointer-use /test/12.3_dbg_san/storage/innobase/handler/handler0alter.cc:1560:4 
      

      Setup:

      Compiled with a recent version of Clang and LLVM. Ubuntu instructions for Clang/LLVM 18:
        # Note: It is strongly recommended to uninstall all old Clang & LLVM packages (ref  dpkg --list | grep -iE 'clang|llvm'  and use  apt purge  and  dpkg --purge  to remove the packages), before installing Clang/LLVM 18
           sudo apt install clang llvm-18 llvm-18-linker-tools llvm-18-runtime llvm-18-tools llvm-18-dev libstdc++-14-dev llvm-dev lld-18
      Compiled with: "-DCMAKE_C_COMPILER=/usr/bin/clang -DCMAKE_CXX_COMPILER=/usr/bin/clang++ -DCMAKE_C{,XX}_FLAGS='-march=native -mtune=native'" and:
          -DWITH_ASAN=ON -DWITH_ASAN_SCOPE=ON -DWITH_UBSAN=ON -DWSREP_LIB_WITH_ASAN=ON
      Set before execution:
          export UBSAN_OPTIONS=print_stacktrace=1:report_error_type=1   # And you may also want to supress UBSAN startup issues using 'suppressions=UBSAN.filter' in UBSAN_OPTIONS. For an example of UBSAN.filter, which includes current startup issues see: https://github.com/mariadb-corporation/mariadb-qa/blob/master/UBSAN.filter
      

      SAN Bug Detection Matrix

          Rel    o/d  Build   Commit                                    UniqueID observed             
      CS  10.6   dbg  230126  cd02709a315c9f08965d6b8fb7e75baaae17a4f4  UBSAN|reference binding to null pointer of type 'const ha_table_option_struct'|storage/innobase/handler/handler0alter.cc|alter_options_need_rebuild|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|ha_mroonga::check_if_supported_inplace_alter
      CS  10.6   opt  230126  cd02709a315c9f08965d6b8fb7e75baaae17a4f4  UBSAN|reference binding to null pointer of type 'const ha_table_option_struct'|storage/innobase/handler/handler0alter.cc|alter_options_need_rebuild|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|ha_mroonga::check_if_supported_inplace_alter
      CS  10.11  dbg  230126  b061b5ab1f2cd2a6993e53dc24a865304ced14cd  UBSAN|reference binding to null pointer of type 'const ha_table_option_struct'|storage/innobase/handler/handler0alter.cc|alter_options_need_rebuild|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|ha_mroonga::check_if_supported_inplace_alter
      CS  10.11  opt  230126  b061b5ab1f2cd2a6993e53dc24a865304ced14cd  UBSAN|reference binding to null pointer of type 'const ha_table_option_struct'|storage/innobase/handler/handler0alter.cc|alter_options_need_rebuild|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|ha_mroonga::check_if_supported_inplace_alter
      CS  11.4   dbg  260126  b6d0e23d76fe5936b6a29379ab494852e4d493b1  UBSAN|reference binding to null pointer of type 'const ha_table_option_struct'|storage/innobase/handler/handler0alter.cc|alter_options_need_rebuild|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|ha_mroonga::check_if_supported_inplace_alter
      CS  11.4   opt  260126  b6d0e23d76fe5936b6a29379ab494852e4d493b1  UBSAN|reference binding to null pointer of type 'const ha_table_option_struct'|storage/innobase/handler/handler0alter.cc|alter_options_need_rebuild|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|ha_mroonga::check_if_supported_inplace_alter
      CS  11.8   dbg  230126  01ff5ae6b677bead4c41d91bf5afb25c593a1d02  UBSAN|reference binding to null pointer of type 'const ha_table_option_struct'|storage/innobase/handler/handler0alter.cc|alter_options_need_rebuild|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|ha_mroonga::check_if_supported_inplace_alter
      CS  11.8   opt  230126  01ff5ae6b677bead4c41d91bf5afb25c593a1d02  UBSAN|reference binding to null pointer of type 'const ha_table_option_struct'|storage/innobase/handler/handler0alter.cc|alter_options_need_rebuild|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|ha_mroonga::check_if_supported_inplace_alter
      CS  12.2   dbg  230126  6ca70dd64ce56da40fad3bcd0641493210dd0a4c  UBSAN|reference binding to null pointer of type 'const ha_table_option_struct'|storage/innobase/handler/handler0alter.cc|alter_options_need_rebuild|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|ha_mroonga::check_if_supported_inplace_alter
      CS  12.2   opt  230126  6ca70dd64ce56da40fad3bcd0641493210dd0a4c  UBSAN|reference binding to null pointer of type 'const ha_table_option_struct'|storage/innobase/handler/handler0alter.cc|alter_options_need_rebuild|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|ha_mroonga::check_if_supported_inplace_alter
      CS  12.3   dbg  170226  21a0714a118614982d20bfa504763d7247800091  UBSAN|reference binding to null pointer of type 'const ha_table_option_struct'|storage/innobase/handler/handler0alter.cc|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|ha_mroonga::check_if_supported_inplace_alter|mysql_alter_table
      CS  12.3   opt  170226  21a0714a118614982d20bfa504763d7247800091  UBSAN|reference binding to null pointer of type 'const ha_table_option_struct'|storage/innobase/handler/handler0alter.cc|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|ha_mroonga::check_if_supported_inplace_alter|mysql_alter_table
      ES  10.6   dbg  260126  0fe345fff3a0463224ca714831303d40fb83648b  UBSAN|reference binding to null pointer of type 'const ha_table_option_struct'|storage/innobase/handler/handler0alter.cc|alter_options_need_rebuild|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|ha_mroonga::check_if_supported_inplace_alter
      ES  10.6   opt  230126  0fe345fff3a0463224ca714831303d40fb83648b  UBSAN|reference binding to null pointer of type 'const ha_table_option_struct'|storage/innobase/handler/handler0alter.cc|alter_options_need_rebuild|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|ha_mroonga::check_if_supported_inplace_alter
      ES  11.4   dbg  260126  34f616d5fd2c649d0c79acb4e2423c90b8f10436  UBSAN|reference binding to null pointer of type 'const ha_table_option_struct'|storage/innobase/handler/handler0alter.cc|alter_options_need_rebuild|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|ha_mroonga::check_if_supported_inplace_alter
      ES  11.4   opt  260126  34f616d5fd2c649d0c79acb4e2423c90b8f10436  UBSAN|reference binding to null pointer of type 'const ha_table_option_struct'|storage/innobase/handler/handler0alter.cc|alter_options_need_rebuild|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|ha_mroonga::check_if_supported_inplace_alter
      ES  11.8   dbg  230126  405ee76b60c4ab82155f339136ed20d3b7363717  UBSAN|reference binding to null pointer of type 'const ha_table_option_struct'|storage/innobase/handler/handler0alter.cc|alter_options_need_rebuild|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|ha_mroonga::check_if_supported_inplace_alter
      ES  11.8   opt  230126  405ee76b60c4ab82155f339136ed20d3b7363717  UBSAN|reference binding to null pointer of type 'const ha_table_option_struct'|storage/innobase/handler/handler0alter.cc|alter_options_need_rebuild|ha_innobase::check_if_supported_inplace_alter|ha_mroonga::wrapper_check_if_supported_inplace_alter|ha_mroonga::check_if_supported_inplace_alter
      

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            thiru Thirunarayanan Balathandayuthapani
            Roel Roel Van de Paar
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