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  1. MariaDB Server
  2. MDEV-11526

Server crashes in in TABLE::init

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      The test case is attached.
      It's a bit different from MDEV-11525, although equally ugly, the reasons and disclaimers are the same.
      This one needs to be run with --repeat=N, if it does not fail right away.

      bb-10.2-vcols b584734d242e7c56647889e5e9c97e4a11ab5e52

      #3  <signal handler called>
      #4  0x00007fc12b9aa636 in TABLE::init (this=0x7fc102cd9c70, thd=0x7fc102c16070, tl=0x7fc102c641b8) at /data/src/bb-10.2-vcols/sql/table.cc:4443
      #5  0x00007fc12b8386f9 in open_table (thd=0x7fc102c16070, table_list=0x7fc102c641b8, ot_ctx=0x7fc12c9ce070) at /data/src/bb-10.2-vcols/sql/sql_base.cc:1921
      #6  0x00007fc12b83af57 in open_and_process_table (thd=0x7fc102c16070, lex=0x7fc102c19a80, tables=0x7fc102c641b8, counter=0x7fc12c9ce158, flags=0, prelocking_strategy=0x7fc12c9ce170, has_prelocking_list=false, ot_ctx=0x7fc12c9ce070) at /data/src/bb-10.2-vcols/sql/sql_base.cc:3397
      #7  0x00007fc12b83c049 in open_tables (thd=0x7fc102c16070, options=..., start=0x7fc12c9ce128, counter=0x7fc12c9ce158, flags=0, prelocking_strategy=0x7fc12c9ce170) at /data/src/bb-10.2-vcols/sql/sql_base.cc:3910
      #8  0x00007fc12b961957 in open_tables (thd=0x7fc102c16070, tables=0x7fc12c9ce128, counter=0x7fc12c9ce158, flags=0, prelocking_strategy=0x7fc12c9ce170) at /data/src/bb-10.2-vcols/sql/sql_base.h:236
      #9  0x00007fc12b977def in mysql_alter_table (thd=0x7fc102c16070, new_db=0x7fc102c647c0 "test", new_name=0x0, create_info=0x7fc12c9cfa50, table_list=0x7fc102c641b8, alter_info=0x7fc12c9cf9a0, order_num=0, order=0x0, ignore=false) at /data/src/bb-10.2-vcols/sql/sql_table.cc:8615
      #10 0x00007fc12b9efa23 in Sql_cmd_alter_table::execute (this=0x7fc102c648e0, thd=0x7fc102c16070) at /data/src/bb-10.2-vcols/sql/sql_alter.cc:324
      #11 0x00007fc12b8b2168 in mysql_execute_command (thd=0x7fc102c16070) at /data/src/bb-10.2-vcols/sql/sql_parse.cc:6116
      #12 0x00007fc12b8b6a44 in mysql_parse (thd=0x7fc102c16070, rawbuf=0x7fc102c64088 "ALTER TABLE `CC` ADD KEY rkr_index_1 ( `col_varchar_nokey` )", length=60, parser_state=0x7fc12c9d0dd0, is_com_multi=false, is_next_command=false) at /data/src/bb-10.2-vcols/sql/sql_parse.cc:7790
      #13 0x00007fc12b8a4794 in dispatch_command (command=COM_QUERY, thd=0x7fc102c16070, packet=0x7fc102e21071 "ALTER TABLE `CC` ADD KEY rkr_index_1 ( `col_varchar_nokey` )", packet_length=60, is_com_multi=false, is_next_command=false) at /data/src/bb-10.2-vcols/sql/sql_parse.cc:1799
      #14 0x00007fc12b8a316e in do_command (thd=0x7fc102c16070) at /data/src/bb-10.2-vcols/sql/sql_parse.cc:1359
      #15 0x00007fc12b9ea77a in do_handle_one_connection (connect=0x7fc1284754b0) at /data/src/bb-10.2-vcols/sql/sql_connect.cc:1354
      #16 0x00007fc12b9ea507 in handle_one_connection (arg=0x7fc1284754b0) at /data/src/bb-10.2-vcols/sql/sql_connect.cc:1260
      #17 0x00007fc12bd2670c in pfs_spawn_thread (arg=0x7fc115fe7770) at /data/src/bb-10.2-vcols/storage/perfschema/pfs.cc:1862
      #18 0x00007fc12aeda0a4 in start_thread (arg=0x7fc12c9d2300) at pthread_create.c:309
      #19 0x00007fc128e8787d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
      

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              Assignee:
              serg Sergei Golubchik
              Reporter:
              elenst Elena Stepanova
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                Updated:
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