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  1. MariaDB Server
  2. MDEV-29393

SIGSEGV in __gnu_cxx::__atomic_add when attempting to use RocksDB in MDEV-16329 branch

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      Description

      Only present in bb-10.10-MDEV-16329.

      INSTALL SONAME 'ha_rocksdb.so';
      CREATE TABLE t (a INT) ENGINE=RocksDB;
      

      Leads to:

      10.10.0 7a41e4fbc62c5e917d9cb4dc045e21c983d4e73f (Optimized)

      Core was generated by `/test/MDEV-16329_bb-10.10-MDEV-16329_MD240822-mariadb-10.10.0-linux-x86_64-opt/'.
      Program terminated with signal SIGSEGV, Segmentation fault.
      #0  __gnu_cxx::__atomic_add (__val=1, __mem=0x646e6f636d)
          at /usr/include/c++/9/ext/atomicity.h:96
      96	      __atomic_add(__mem, __val);
      [Current thread is 1 (Thread 0x14d573b67700 (LWP 3480764))]
      (gdb) bt
      #0  __gnu_cxx::__atomic_add (__val=1, __mem=0x646e6f636d) at /usr/include/c++/9/ext/atomicity.h:96
      #1  __gnu_cxx::__atomic_add_dispatch (__val=1, __mem=0x646e6f636d) at /usr/include/c++/9/ext/atomicity.h:96
      #2  std::_Sp_counted_base<(__gnu_cxx::_Lock_policy)2>::_M_add_ref_copy (this=0x646e6f6365) at /usr/include/c++/9/bits/shared_ptr_base.h:139
      #3  std::__shared_count<(__gnu_cxx::_Lock_policy)2>::operator= (__r=<optimized out>, this=0x14d56026b600) at /usr/include/c++/9/bits/shared_ptr_base.h:747
      #4  std::__shared_ptr<myrocks::Rdb_key_def, (__gnu_cxx::_Lock_policy)2>::operator= (this=0x14d56026b5f8) at /usr/include/c++/9/bits/shared_ptr_base.h:1080
      #5  std::shared_ptr<myrocks::Rdb_key_def>::operator= (this=0x14d56026b5f8) at /usr/include/c++/9/bits/shared_ptr.h:103
      #6  myrocks::ha_rocksdb::create_table (this=0x14d56026b040, table_name=<optimized out>, table_arg=0x14d573b627e0, auto_increment_value=<optimized out>) at /test/bb-10.10-MDEV-16329_opt/storage/rocksdb/ha_rocksdb.cc:7772
      #7  0x000014d573630361 in myrocks::ha_rocksdb::create (this=0x14d56026b040, name=0x14d573b63c70 "./test/t", table_arg=0x14d573b627e0, create_info=0x14d573b64230) at /test/bb-10.10-MDEV-16329_opt/storage/rocksdb/ha_rocksdb.cc:7914
      #8  0x0000556d983947eb in handler::ha_create (this=0x14d56026b040, name=0x14d573b63c70 "./test/t", form=form@entry=0x14d573b627e0, info_arg=info_arg@entry=0x14d573b64230) at /test/preview-10.10-ddl_dbg/sql/handler.cc:5448
      #9  0x0000556d983953ae in ha_create_table (thd=thd@entry=0x14d560000db8, path=<optimized out>, db=0x14d560014540 "test", table_name=0x14d560013e20 "t", create_info=create_info@entry=0x14d573b64230, frm=frm@entry=0x14d573b63c60, skip_frm_file=false) at /test/preview-10.10-ddl_dbg/sql/handler.cc:5917
      #10 0x0000556d9817ea05 in create_table_impl (thd=thd@entry=0x14d560000db8, orig_db=@0x14d560013e58: {str = 0x14d560014540 "test", length = 4}, orig_table_name=@0x14d560013e68: {str = 0x14d560013e20 "t", length = 1}, db=@0x14d560013e58: {str = 0x14d560014540 "test", length = 4}, table_name=@0x14d560013e68: {str = 0x14d560013e20 "t", length = 1}, path=@0x14d573b63c50: {str = 0x14d573b63c70 "./test/t", length = 8}, options=<optimized out>, create_info=0x14d573b64230, alter_info=0x14d573b64050, create_table_mode=0, is_trans=0x14d573b63f50, key_info=0x14d573b63c48, key_count=0x14d573b63c44, frm=0x14d573b63c60) at /test/preview-10.10-ddl_dbg/sql/sql_table.cc:4929
      #11 0x0000556d9817ee4d in mysql_create_table_no_lock (thd=thd@entry=0x14d560000db8, orig_db=orig_db@entry=0x14d560013e58, orig_table_name=orig_table_name@entry=0x14d560013e68, db=0x14d560013e58, table_name=0x14d560013e68, create_info=create_info@entry=0x14d573b64230, alter_info=0x14d573b64050, is_trans=0x14d573b63f50, create_table_mode=0, table_list=0x14d560013e58, frm=0x14d573b63c60) at /test/preview-10.10-ddl_dbg/sql/sql_table.cc:5056
      #12 0x0000556d981817b2 in mysql_create_table (alter_info=0x14d573b64050, create_info=0x14d573b64230, create_table=<optimized out>, thd=0x14d560000db8) at /test/preview-10.10-ddl_dbg/sql/sql_table.cc:5183
      #13 Sql_cmd_create_table_like::execute (this=<optimized out>, thd=0x14d560000db8) at /test/preview-10.10-ddl_dbg/sql/sql_table.cc:12935
      #14 0x0000556d980aaa4d in mysql_execute_command (thd=thd@entry=0x14d560000db8, is_called_from_prepared_stmt=is_called_from_prepared_stmt@entry=false) at /test/preview-10.10-ddl_dbg/sql/sql_parse.cc:5996
      #15 0x0000556d980930cd in mysql_parse (thd=thd@entry=0x14d560000db8, rawbuf=<optimized out>, length=<optimized out>, parser_state=parser_state@entry=0x14d573b66470) at /test/preview-10.10-ddl_dbg/sql/sql_parse.cc:8038
      #16 0x0000556d980a06b0 in dispatch_command (command=command@entry=COM_QUERY, thd=thd@entry=0x14d560000db8, packet=packet@entry=0x14d56000b7f9 "CREATE TABLE t (a INT) ENGINE=RocksDB", packet_length=packet_length@entry=37, blocking=blocking@entry=true) at /test/preview-10.10-ddl_dbg/sql/sql_class.h:1365
      #17 0x0000556d980a2dc1 in do_command (thd=0x14d560000db8, blocking=blocking@entry=true) at /test/preview-10.10-ddl_dbg/sql/sql_parse.cc:1407
      #18 0x0000556d982057ba in do_handle_one_connection (connect=<optimized out>, connect@entry=0x556d9bfb8468, put_in_cache=put_in_cache@entry=true) at /test/preview-10.10-ddl_dbg/sql/sql_connect.cc:1418
      #19 0x0000556d98205cc3 in handle_one_connection (arg=0x556d9bfb8468) at /test/preview-10.10-ddl_dbg/sql/sql_connect.cc:1312
      #20 0x000014d5bca20609 in start_thread (arg=<optimized out>) at pthread_create.c:477
      #21 0x000014d5bc60c133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
      

      On debug we get:

      10.10.0 7a41e4fbc62c5e917d9cb4dc045e21c983d4e73f (Debug)

      10.10.0-dbg>INSTALL SONAME 'ha_rocksdb.so';
      ERROR 1126 (HY000): Can't open shared library '/test/MDEV-16329_bb-10.10-MDEV-16329_MD240822-mariadb-10.10.0-linux-x86_64-dbg/lib/plugin/ha_rocksdb.so' (errno: 2, undefined symbol: opt_debug_sync_timeout)
      

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              Assignee:
              Unassigned Unassigned
              Reporter:
              Roel Roel Van de Paar
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                Created:
                Updated:
                Resolved:

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