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  1. MariaDB Server
  2. MDEV-15798

Mutex leak on accessing INFORMATION_SCHEMA.INNODB_MUTEXES

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      https://api.travis-ci.org/v3/job/362727661/log.txt

      10.3 a1a966fc0e084494da0f4ff88d41908e094865b9

      mysqld: /home/travis/src/storage/innobase/include/sync0policy.ic:64: void MutexDebug<Mutex>::enter(const Mutex*, const char*, unsigned int) [with Mutex = TTASEventMutex<GenericPolicy>]: Assertion `!is_owned()' failed.
      180405 20:56:41 [ERROR] mysqld got signal 6 ;
       
      Query (0x7f4760013bf8): /* GenTest::Transform::OrderBy */  SELECT * FROM INFORMATION_SCHEMA.`INNODB_MUTEXES` AS table1 WHERE table1.`CREATE_LINE` <> 9  /* TRANSFORM_OUTCOME_SUPERSET */  /* QNO 8304 CON_ID 17 */
      Connection ID (thread ID): 17
      Status: NOT_KILLED
      

      #6  0x00007f47bc552bf6 in __assert_fail_base (fmt=0x7f47bc6a7058 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x55c93e665da9 "!is_owned()", file=file@entry=0x55c93e665d70 "/home/travis/src/storage/innobase/include/sync0policy.ic", line=line@entry=64, function=function@entry=0x55c93e666a20 <MutexDebug<TTASEventMutex<GenericPolicy> >::enter(TTASEventMutex<GenericPolicy> const*, char const*, unsigned int)::__PRETTY_FUNCTION__> "void MutexDebug<Mutex>::enter(const Mutex*, const char*, unsigned int) [with Mutex = TTASEventMutex<GenericPolicy>]") at assert.c:92
      #7  0x00007f47bc552ca2 in __GI___assert_fail (assertion=0x55c93e665da9 "!is_owned()", file=0x55c93e665d70 "/home/travis/src/storage/innobase/include/sync0policy.ic", line=64, function=0x55c93e666a20 <MutexDebug<TTASEventMutex<GenericPolicy> >::enter(TTASEventMutex<GenericPolicy> const*, char const*, unsigned int)::__PRETTY_FUNCTION__> "void MutexDebug<Mutex>::enter(const Mutex*, const char*, unsigned int) [with Mutex = TTASEventMutex<GenericPolicy>]") at assert.c:101
      #8  0x000055c93de74016 in MutexDebug<TTASEventMutex<GenericPolicy> >::enter (this=0x55c93f0eb690 <rw_lock_list_mutex+16>, mutex=0x55c93f0eb680 <rw_lock_list_mutex>, name=0x55c93e674a98 "/home/travis/src/storage/innobase/handler/i_s.cc", line=9102) at /home/travis/src/storage/innobase/include/sync0policy.ic:64
      #9  0x000055c93de72ca0 in GenericPolicy<TTASEventMutex<GenericPolicy> >::enter (this=0x55c93f0eb690 <rw_lock_list_mutex+16>, mutex=..., filename=0x55c93e674a98 "/home/travis/src/storage/innobase/handler/i_s.cc", line=9102) at /home/travis/src/storage/innobase/include/sync0policy.h:348
      #10 0x000055c93de71336 in PolicyMutex<TTASEventMutex<GenericPolicy> >::enter (this=0x55c93f0eb680 <rw_lock_list_mutex>, n_spins=30, n_delay=4, name=0x55c93e674a98 "/home/travis/src/storage/innobase/handler/i_s.cc", line=9102) at /home/travis/src/storage/innobase/include/ib0mutex.h:635
      #11 0x000055c93deb09e2 in i_s_innodb_mutexes_fill_table (thd=0x7f4760000d90, tables=0x7f4760013fa0) at /home/travis/src/storage/innobase/handler/i_s.cc:9102
      #12 0x000055c93da0305f in get_schema_tables_result (join=0x7f4760014f40, executed_place=PROCESSED_BY_JOIN_EXEC) at /home/travis/src/sql/sql_show.cc:8872
      #13 0x000055c93d99cb94 in JOIN::exec_inner (this=0x7f4760014f40) at /home/travis/src/sql/sql_select.cc:3952
      #14 0x000055c93d99c23a in JOIN::exec (this=0x7f4760014f40) at /home/travis/src/sql/sql_select.cc:3783
      #15 0x000055c93d99d4ae in mysql_select (thd=0x7f4760000d90, tables=0x7f4760013fa0, wild_num=1, fields=..., conds=0x7f47600147e8, og_num=0, order=0x0, group=0x0, having=0x0, proc_param=0x0, select_options=552440433408, result=0x7f4760014f20, unit=0x7f4760004bd8, select_lex=0x7f4760005350) at /home/travis/src/sql/sql_select.cc:4188
      #16 0x000055c93d98f747 in handle_select (thd=0x7f4760000d90, lex=0x7f4760004b10, result=0x7f4760014f20, setup_tables_done_option=0) at /home/travis/src/sql/sql_select.cc:382
      #17 0x000055c93d95a8b4 in execute_sqlcom_select (thd=0x7f4760000d90, all_tables=0x7f4760013fa0) at /home/travis/src/sql/sql_parse.cc:6556
      #18 0x000055c93d950f20 in mysql_execute_command (thd=0x7f4760000d90) at /home/travis/src/sql/sql_parse.cc:3770
      #19 0x000055c93d95e288 in mysql_parse (thd=0x7f4760000d90, rawbuf=0x7f4760013bf8 "/* GenTest::Transform::OrderBy */  SELECT * FROM INFORMATION_SCHEMA.`INNODB_MUTEXES` AS table1 WHERE table1.`CREATE_LINE` <> 9  /* TRANSFORM_OUTCOME_SUPERSET */  /* QNO 8304 CON_ID 17 */", length=186, parser_state=0x7f47b8e995e0, is_com_multi=false, is_next_command=false) at /home/travis/src/sql/sql_parse.cc:8013
      #20 0x000055c93d94b97e in dispatch_command (command=COM_QUERY, thd=0x7f4760000d90, packet=0x7f476000b431 "/* GenTest::Transform::OrderBy */  SELECT * FROM INFORMATION_SCHEMA.`INNODB_MUTEXES` AS table1 WHERE table1.`CREATE_LINE` <> 9  /* TRANSFORM_OUTCOME_SUPERSET */  /* QNO 8304 CON_ID 17 */ ", packet_length=187, is_com_multi=false, is_next_command=false) at /home/travis/src/sql/sql_parse.cc:1842
      #21 0x000055c93d94a3ca in do_command (thd=0x7f4760000d90) at /home/travis/src/sql/sql_parse.cc:1387
      #22 0x000055c93daafb71 in do_handle_one_connection (connect=0x55c940a254c0) at /home/travis/src/sql/sql_connect.cc:1402
      #23 0x000055c93daaf8fe in handle_one_connection (arg=0x55c940a254c0) at /home/travis/src/sql/sql_connect.cc:1308
      #24 0x00007f47bd114184 in start_thread (arg=0x7f47b8e9a700) at pthread_create.c:312
      #25 0x00007f47bc62103d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
      

      experimental 4feb78e17fbecf7fc7f2847b49b8c66b54879629

      perl /home/travis/rqg/runall-new.pl --duration=350 --threads=6 --seed=1522961592 --reporters=Backtrace,ErrorLog,Deadlock --validators=TransformerNoComparator --transformers=ConvertSubqueriesToViews,ConvertTablesToDerived,Count,DisableOptimizations,Distinct,EnableOptimizations,ExecuteAsCTE,ExecuteAsDeleteReturning,ExecuteAsDerived,ExecuteAsExcept,ExecuteAsExecuteImmediate,ExecuteAsInsertSelect,ExecuteAsIntersect,ExecuteAsSelectItem,ExecuteAsUnion,ExecuteAsUpdateDelete,ExecuteAsView,ExecuteAsWhereSubquery,Having,InlineSubqueries,LimitRowsExamined,OrderBy,StraightJoin,ExecuteAsPreparedTwice,ExecuteAsTrigger,ExecuteAsSPTwice,ExecuteAsFunctionTwice --redefine=conf/mariadb/general-workarounds.yy --mysqld=--log_output=FILE --mysqld=--log_bin_trust_function_creators=1 --mysqld=--log-bin --mysqld=--max-statement-time=30 --mysqld=--loose-debug_assert_on_not_freed_memory=0 --views --redefine=conf/mariadb/versioning.yy --basedir=/home/travis/server --grammar=conf/runtime/information_schema.yy --engine=InnoDB --vardir=/home/travis/logs/vardir1_2
      

      Not reproducible right away.

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              Assignee:
              marko Marko Mäkelä
              Reporter:
              elenst Elena Stepanova
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                Updated:
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