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  1. MariaDB Server
  2. MDEV-25260

MSAN error in tpool::aio_linux::getevent_thread_routine

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Not a Bug
    • 10.6
    • N/A
    • Compiling
    • None

    Description

      https://buildbot.mariadb.org/#/builders/195/builds/739/steps/7/logs/stdio

      Logging: ./mtr  --big-test --force --retry=0 --max-test-fail=40 --parallel=10
      vardir: /buildbot/amd64-ubuntu-1804-msan/build/mysql-test/var
      Removing old var directory...
      Creating var directory '/buildbot/amd64-ubuntu-1804-msan/build/mysql-test/var'...
      Checking supported features...
      MariaDB Version 10.6.0-MariaDB-debug
       - SSL connections supported
       - binaries are debug compiled
       - binaries built with wsrep patch
      Using suites: main-,archive-,binlog-,binlog_encryption-,client-,csv-,compat/oracle-,compat/mssql-,compat/maxdb-,encryption-,federated-,funcs_1-,funcs_2-,gcol-,handler-,heap-,innodb-,innodb_fts-,innodb_gis-,innodb_i_s-,innodb_zip-,json-,maria-,mariabackup-,multi_source-,optimizer_unfixed_bugs-,parts-,perfschema-,plugins-,roles-,rpl-,stress-,sys_vars-,sql_sequence-,unit-,vcol-,versioning-,period-,sysschema-,sequence,sql_discovery,disks,func_test,metadata_lock_info,query_response_time,type_inet,type_test,user_variables
      Collecting tests...
      Installing system database...
      mysql-test-run: *** ERROR: Error executing mysqld --bootstrap
      Could not install system database from /buildbot/amd64-ubuntu-1804-msan/build/mysql-test/var/log/bootstrap.sql
      The /buildbot/amd64-ubuntu-1804-msan/build/mysql-test/var/log/bootstrap.log file contains:
      /buildbot/amd64-ubuntu-1804-msan/build/sql/mariadbd --no-defaults --disable-getopt-prefix-matching --bootstrap --basedir=/buildbot/amd64-ubuntu-1804-msan/build --datadir=/buildbot/amd64-ubuntu-1804-msan/build/mysql-test/var/install.db --plugin-dir=/buildbot/amd64-ubuntu-1804-msan/build/mysql-test/var/plugins --default-storage-engine=myisam --loose-skip-plugin-feedback --loose-skip-plugin-innodb --loose-skip-plugin-innodb-buffer-page-lru --loose-skip-plugin-innodb-buffer-pool-stats --loose-skip-plugin-innodb-cmp --loose-skip-plugin-innodb-cmp-per-index --loose-skip-plugin-innodb-cmp-per-index-reset --loose-skip-plugin-innodb-cmp-reset --loose-skip-plugin-innodb-cmpmem --loose-skip-plugin-innodb-cmpmem-reset --loose-skip-plugin-innodb-ft-being-deleted --loose-skip-plugin-innodb-ft-config --loose-skip-plugin-innodb-ft-default-stopword --loose-skip-plugin-innodb-ft-deleted --loose-skip-plugin-innodb-ft-index-cache --loose-skip-plugin-innodb-ft-index-table --loose-skip-plugin-innodb-sys-columns --loose-skip-plugin-innodb-sys-fields --loose-skip-plugin-innodb-sys-foreign --loose-skip-plugin-innodb-sys-foreign-cols --loose-skip-plugin-innodb-sys-indexes --loose-skip-plugin-innodb-sys-tables --loose-skip-plugin-innodb-sys-tablespaces --loose-skip-plugin-innodb-sys-tablestats --loose-skip-plugin-innodb-sys-virtual --loose-skip-plugin-innodb-tablespaces-encryption --loose-skip-plugin-partition --loose-skip-plugin-sequence --loose-skip-plugin-thread-pool-groups --loose-skip-plugin-thread-pool-queues --loose-skip-plugin-thread-pool-stats --loose-skip-plugin-thread-pool-waits --loose-skip-plugin-unix-socket --loose-skip-plugin-user-variables --loose-innodb --loose-innodb-log-file-size=10M --disable-sync-frm --tmpdir=/buildbot/amd64-ubuntu-1804-msan/build/mysql-test/var/tmp/ --core-file --console --character-set-server=latin1 --lc-messages-dir=/buildbot/amd64-ubuntu-1804-msan/build/sql/share/ --character-sets-dir=/buildbot/amd64-ubuntu-1804-msan/build/sql/share/charsets
      2021-03-24 18:17:55 0 [Note] /buildbot/amd64-ubuntu-1804-msan/build/sql/mariadbd (mysqld 10.6.0-MariaDB-debug) starting as process 15007 ...
      2021-03-24 18:17:55 0 [Warning] Could not increase number of max_open_files to more than 1024 (request: 32206)
      2021-03-24 18:17:55 0 [Warning] Changed limits: max_open_files: 1024  max_connections: 151 (was 151)  table_cache: 421 (was 2000)
      2021-03-24 18:17:55 0 [Note] Plugin 'partition' is disabled.
      2021-03-24 18:17:55 0 [Note] Plugin 'SEQUENCE' is disabled.
      2021-03-24 18:17:55 0 [Note] InnoDB: The first innodb_system data file 'ibdata1' did not exist. A new tablespace will be created!
      2021-03-24 18:17:55 0 [Note] InnoDB: !!!!!!!! UNIV_DEBUG switched on !!!!!!!!!
      2021-03-24 18:17:55 0 [Note] InnoDB: Compressed tables use zlib 1.2.11
      2021-03-24 18:17:55 0 [Note] InnoDB: Number of pools: 1
      2021-03-24 18:17:55 0 [Note] InnoDB: Using crc32 + pclmulqdq instructions
      2021-03-24 18:17:55 0 [Note] mariadbd: O_TMPFILE is not supported on /buildbot/amd64-ubuntu-1804-msan/build/mysql-test/var/tmp/ (disabling future attempts)
      2021-03-24 18:17:55 0 [Note] InnoDB: Using Linux native AIO
      2021-03-24 18:17:55 0 [Note] InnoDB: Initializing buffer pool, total size = 134217728, chunk size = 134217728
      2021-03-24 18:17:55 0 [Note] InnoDB: Completed initialization of buffer pool
      2021-03-24 18:17:55 0 [Note] InnoDB: Setting file './ibdata1' size to 12 MB. Physically writing the file full; Please wait ...
      2021-03-24 18:17:55 0 [Note] InnoDB: File './ibdata1' size is now 12 MB.
      2021-03-24 18:17:55 0 [Note] InnoDB: If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority().
      2021-03-24 18:17:55 0 [Note] InnoDB: Setting log file ./ib_logfile101 size to 10485760 bytes
      ==15007==WARNING: MemorySanitizer: use-of-uninitialized-value
          #0 0x55e5552b8b95 in tpool::aio_linux::getevent_thread_routine(tpool::aio_linux*) /buildbot/amd64-ubuntu-1804-msan/build/tpool/aio_linux.cc:124:24
          #1 0x55e5552b9a01 in decltype(std::__1::forward<void (*)(tpool::aio_linux*)>(fp)(std::__1::forward<tpool::aio_linux*>(fp0))) std::__1::__invoke<void (*)(tpool::aio_linux*), tpool::aio_linux*>(void (*&&)(tpool::aio_linux*), tpool::aio_linux*&&) /usr/lib/llvm-10/bin/../include/c++/v1/type_traits:3539:1
          #2 0x55e5552b9a01 in void std::__1::__thread_execute<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, void (*)(tpool::aio_linux*), tpool::aio_linux*, 2ul>(std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, void (*)(tpool::aio_linux*), tpool::aio_linux*>&, std::__1::__tuple_indices<2ul>) /usr/lib/llvm-10/bin/../include/c++/v1/thread:273:5
          #3 0x55e5552b9a01 in void* std::__1::__thread_proxy<std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, void (*)(tpool::aio_linux*), tpool::aio_linux*> >(void*) /usr/lib/llvm-10/bin/../include/c++/v1/thread:284:5
          #4 0x7f88b2c546da in start_thread /build/glibc-2ORdQG/glibc-2.27/nptl/pthread_create.c:463
          #5 0x7f88b1111a3e in clone /build/glibc-2ORdQG/glibc-2.27/misc/../sysdeps/unix/sysv/linux/x86_64/clone.S:95
        Uninitialized value was created by an allocation of 'events' in the stack frame of function '_ZN5tpool9aio_linux23getevent_thread_routineEPS0_'
          #0 0x55e5552b8640 in tpool::aio_linux::getevent_thread_routine(tpool::aio_linux*) /buildbot/amd64-ubuntu-1804-msan/build/tpool/aio_linux.cc:94
      SUMMARY: MemorySanitizer: use-of-uninitialized-value /buildbot/amd64-ubuntu-1804-msan/build/tpool/aio_linux.cc:124:24 in tpool::aio_linux::getevent_thread_routine(tpool::aio_linux*)
      Exiting
      210324 18:17:55 [ERROR] mysqld got signal 6 ;
      This could be because you hit a bug. It is also possible that this binary
      or one of the libraries it was linked against is corrupt, improperly built,
      or misconfigured. This error can also be caused by malfunctioning hardware.
      To report this bug, see https://mariadb.com/kb/en/reporting-bugs
      We will try our best to scrape up some info that will hopefully help
      diagnose the problem, but since we have already crashed, 
      something is definitely wrong and this may fail.
      Server version: 10.6.0-MariaDB-debug
      key_buffer_size=134217728
      read_buffer_size=131072
      max_used_connections=0
      max_threads=153
      thread_count=0
      It is possible that mysqld could use up to 
      key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 468082 K  bytes of memory
      Hope that's ok; if not, decrease some variables in the equation.
      Thread pointer: 0x0
      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 = 0x0 thread_stack 0x49000
      ??:0(__interceptor_backtrace)[0x55e552038290]
      ??:0(my_print_stacktrace)[0x55e555553e51]
      ??:0(handle_fatal_signal)[0x55e5531e0985]
      msan_interceptors.cpp:0(SignalHandler(int))[0x55e5520623d9]
      ??:0(__restore_rt)[0x7f88b2c5f8a0]
      linux/raise.c:51(__GI_raise)[0x7f88b102ef47]
      stdlib/abort.c:81(__GI_abort)[0x7f88b10308b1]
      :0(__sanitizer::Abort())[0x55e55207ffa7]
      :0(__sanitizer::Die())[0x55e55207e9d1]
      ??:0(__msan_warning_noreturn)[0x55e5520165b9]
      tpool/aio_linux.cc:135(tpool::aio_linux::getevent_thread_routine(tpool::aio_linux*))[0x55e5552b8b96]
      v1/memory:2615(void* std::__1::__thread_proxy<std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, void (*)(tpool::aio_linux*), tpool::aio_linux*> >(void*))[0x55e5552b9a02]
      nptl/pthread_create.c:463(start_thread)[0x7f88b2c546db]
      x86_64/clone.S:97(clone)[0x7f88b1111a3f]
      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 /buildbot/amd64-ubuntu-1804-msan/build/mysql-test/var/install.db
      Resource Limits:
      Fatal signal 11 while backtracing
      

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            marko Marko Mäkelä
            danblack Daniel Black
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              Updated:
              Resolved:

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