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  1. MariaDB Server
  2. MDEV-26435

MariaDB Server SEGV issue

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    Details

    • Type: Bug
    • Status: Closed (View Workflow)
    • Priority: Major
    • Resolution: Duplicate
    • Affects Version/s: 10.7.0
    • Fix Version/s: N/A
    • Component/s: N/A
    • Labels:
      None
    • Environment:
      Linux version 5.13.0-1-MANJARO (builduser@LEGION) (gcc (GCC) 11.1.0, GNU ld (GNU Binutils) 2.36.1) #1 SMP PREEMPT Mon Jun 7 06:16:10 UTC 2021 x86_64

      Description

      step to reproduce:

      CREATE TABLE v0 ( v1 TIMESTAMP ) ;
       OPTIMIZE TABLE v0 ;
       CHECK TABLE v0 . v1 ;
       ALTER TABLE v0 ADD COLUMN v0 TEXT CHAR SET ASCII DEFAULT ( v1 + DEFAULT ( v1 ) ) ;
       DESCRIBE SELECT DISTINCT v0 . v1 FROM ( SELECT * FROM v0 ) v0 ;
       CREATE TABLE v3 ( v2 INT ) PARTITION BY LIST ( v1 ) ( PARTITION v0 VALUES IN ( 8 ) ) ;
      

      report (compiled with ASAN):

      Server version: 10.7.0-MariaDB
      key_buffer_size=134217728
      read_buffer_size=131072
      max_used_connections=1
      max_threads=153
      thread_count=1
      It is possible that mysqld could use up to 
      key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 467956 K  bytes of memory
      Hope that's ok; if not, decrease some variables in the equation.
       
      Thread pointer: 0x62b0000bd218
      Attempting backtrace. You can use the following information to find out
      where mysqld died. If you see no messages after this, something went
      terribly wrong...
      stack_bottom = 0x7fd051851850 thread_stack 0x5fc00
      sanitizer_common/sanitizer_common_interceptors.inc:4203(__interceptor_backtrace.part.0)[0x7fd0710fdc3e]
      mysys/stacktrace.c:213(my_print_stacktrace)[0x56127516b747]
      sql/signal_handler.cc:222(handle_fatal_signal)[0x561274133120]
      sigaction.c:0(__restore_rt)[0x7fd070ae7870]
      sql/field.cc:2591(Field::set_default())[0x5612740b39eb]
      sql/item.cc:9495(Item_default_value::val_int())[0x5612741c8e52]
      sql/item_func.cc:1112(Item_func_plus::int_op())[0x5612742d8554]
      sql/item.cc:6703(Item::save_int_in_field(Field*, bool))[0x5612741bae90]
      sql/item.cc:6713(Item::save_in_field(Field*, bool))[0x561274180e71]
      sql/table.cc:8821(TABLE::update_default_fields(bool))[0x561273d1134c]
      sql/sql_table.cc:10146(mysql_alter_table(THD*, st_mysql_const_lex_string const*, st_mysql_const_lex_string const*, HA_CREATE_INFO*, TABLE_LIST*, Alter_info*, unsigned int, st_order*, bool, bool))[0x561273c58d0b]
      sql/sql_alter.cc:550(Sql_cmd_alter_table::execute(THD*))[0x561273db0f9a]
      sql/sql_parse.cc:5997(mysql_execute_command(THD*, bool))[0x5612739cb180]
      sql/sql_parse.cc:8047(mysql_parse(THD*, char*, unsigned int, Parser_state*))[0x5612739d85a1]
      sql/sql_parse.cc:1898(dispatch_command(enum_server_command, THD*, char*, unsigned int, bool))[0x5612739de60c]
      sql/sql_parse.cc:1406(do_command(THD*, bool))[0x5612739e373d]
      sql/sql_connect.cc:1418(do_handle_one_connection(CONNECT*, bool))[0x561273d9ee57]
      sql/sql_connect.cc:1312(handle_one_connection)[0x561273d9f33d]
      perfschema/pfs.cc:2204(pfs_spawn_thread)[0x56127482fc2c]
      pthread_create.c:0(start_thread)[0x7fd070add259]
      :0(__GI___clone)[0x7fd0706885e3]
       
      Trying to get some variables.
      Some pointers may be invalid and cause the dump to abort.
      Query (0x629000087238): ALTER TABLE v0 ADD COLUMN v0 TEXT CHAR SET ASCII DEFAULT ( v1 + DEFAULT ( v1 ) )
       
      Connection ID (thread ID): 4
      Status: NOT_KILLED
       
      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
       
      The manual page at https://mariadb.com/kb/en/how-to-produce-a-full-stack-trace-for-mysqld/ contains
      information that should help you find out what is causing the crash.
      Writing a core file...
      Working directory at /home/fuboat/mariadb-tmp/12
      Resource Limits:
      Limit                     Soft Limit           Hard Limit           Units     
      Max cpu time              unlimited            unlimited            seconds   
      Max file size             unlimited            unlimited            bytes     
      Max data size             unlimited            unlimited            bytes     
      Max stack size            8388608              unlimited            bytes     
      Max core file size        unlimited            unlimited            bytes     
      Max resident set          unlimited            unlimited            bytes     
      Max processes             61608                61608                processes 
      Max open files            524288               524288               files     
      Max locked memory         65536                65536                bytes     
      Max address space         unlimited            unlimited            bytes     
      Max file locks            unlimited            unlimited            locks     
      Max pending signals       61608                61608                signals   
      Max msgqueue size         819200               819200               bytes     
      Max nice priority         0                    0                    
      Max realtime priority     0                    0                    
      Max realtime timeout      unlimited            unlimited            us        
      Core pattern: core
      

      gdb bt:

      Using host libthread_db library "/usr/lib/libthread_db.so.1".
      Core was generated by `/usr/local/mysql/bin//mysqld --port 10012 --datadir=/home/fuboat/mariadb-tmp/12'.
      Program terminated with signal SIGSEGV, Segmentation fault.
      #0  0x00007fd070ae4808 in pthread_kill () from /usr/lib/libpthread.so.0
      #1  0x000056127413306b in handle_fatal_signal (sig=<optimized out>) at /experiment/mariadb-server/sql/signal_handler.cc:344
      #2  <signal handler called>
      #3  0x00005612740b39eb in Field::set_default (this=0x61d000058370) at /experiment/mariadb-server/sql/field.cc:2591
      #4  0x00005612741c8e52 in Item_default_value::val_int (this=0x6190000b10f8) at /experiment/mariadb-server/sql/item.cc:9494
      #5  0x00005612742d8554 in Item_func_plus::int_op (this=0x61d0000582b8) at /experiment/mariadb-server/sql/item_func.cc:1108
      #6  0x00005612741bae90 in Item::save_int_in_field (this=0x61d0000582b8, field=0x6190000b0ae0, no_conversions=<optimized out>) at /experiment/mariadb-server/sql/item.cc:6702
      #7  0x0000561274180e71 in Item::save_in_field (this=0x61d0000582b8, field=0x6190000b0ae0, no_conversions=<optimized out>) at /experiment/mariadb-server/sql/item.cc:6712
      #8  0x0000561273d1134c in TABLE::update_default_fields (this=this@entry=0x7fd05184c300, ignore_errors=ignore_errors@entry=true) at /experiment/mariadb-server/sql/table.cc:8820
      #9  0x0000561273c58d0b in mysql_alter_table (thd=thd@entry=0x62b0000bd218, new_db=new_db@entry=0x62b0000c1c58, new_name=new_name@entry=0x62b0000c2070, create_info=create_info@entry=0x7fd05184edf0, table_list=<optimized out>, table_list@entry=0x6290000873b0, alter_info=alter_info@entry=0x7fd05184ecc0, 
          order_num=<optimized out>, order=<optimized out>, ignore=<optimized out>, if_exists=<optimized out>) at /experiment/mariadb-server/sql/sql_table.cc:10147
      #10 0x0000561273db0f9a in Sql_cmd_alter_table::execute (this=<optimized out>, thd=0x62b0000bd218) at /experiment/mariadb-server/sql/sql_alter.cc:550
      #11 0x00005612739cb180 in mysql_execute_command (thd=0x62b0000bd218, is_called_from_prepared_stmt=<optimized out>) at /experiment/mariadb-server/sql/sql_parse.cc:5997
      #12 0x00005612739d85a1 in mysql_parse (thd=0x62b0000bd218, rawbuf=<optimized out>, length=<optimized out>, parser_state=<optimized out>) at /experiment/mariadb-server/sql/sql_parse.cc:8030
      #13 0x00005612739de60c in dispatch_command (command=<optimized out>, thd=0x62b0000bd218, packet=<optimized out>, packet_length=<optimized out>, blocking=<optimized out>) at /experiment/mariadb-server/sql/sql_parse.cc:1896
      #14 0x00005612739e373d in do_command (thd=0x62b0000bd218, blocking=blocking@entry=true) at /experiment/mariadb-server/sql/sql_parse.cc:1404
      #15 0x0000561273d9ee57 in do_handle_one_connection (connect=<optimized out>, put_in_cache=<optimized out>) at /experiment/mariadb-server/sql/sql_connect.cc:1418
      #16 0x0000561273d9f33d in handle_one_connection (arg=arg@entry=0x6080000023b8) at /experiment/mariadb-server/sql/sql_connect.cc:1312
      #17 0x000056127482fc2c in pfs_spawn_thread (arg=0x617000005f18) at /experiment/mariadb-server/storage/perfschema/pfs.cc:2201
      #18 0x00007fd070add259 in start_thread () from /usr/lib/libpthread.so.0
      #19 0x00007fd0706885e3 in clone () from /usr/lib/libc.so.6
      

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              Assignee:
              Unassigned Unassigned
              Reporter:
              fuboat Jingzhou Fu
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                Updated:
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