Uploaded image for project: 'MariaDB Server'
  1. MariaDB Server
  2. MDEV-32325

Server crashes at __nss_database_lookup

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Duplicate
    • 11.1.2, 11.2.1
    • N/A
    • N/A
    • None
    • Ubuntu 20.04 x86-64, docker image mariadb:11.1.2

    Description

      PoC:

      SELECT 28 UNION SELECT 3 UNION SELECT 1 UNION ALL SELECT 1 UNION ALL SELECT 1 EXCEPT ALL SELECT 1 ;
      

      docker log:

      mariadbd(my_print_stacktrace+0x32)[0x563b708a27c2]
      mariadbd(handle_fatal_signal+0x488)[0x563b7037bcf8]
      /lib/x86_64-linux-gnu/libc.so.6(+0x42520)[0x7f61599a1520]
      /lib/x86_64-linux-gnu/libc.so.6(+0x199ef9)[0x7f6159af8ef9]
      mariadbd(+0xd7423f)[0x563b7064a23f]
      mariadbd(+0xd72457)[0x563b70648457]
      mariadbd(_ZN15select_unit_ext9send_dataER4ListI4ItemE+0x283)[0x563b701daa03]
      mariadbd(_ZN4JOIN10exec_innerEv+0xc90)[0x563b7018a880]
      mariadbd(_ZN4JOIN4execEv+0x3f)[0x563b7018afff]
      mariadbd(_ZN18st_select_lex_unit10exec_innerEv+0x5b4)[0x563b701dd344]
      mariadbd(_Z11mysql_unionP3THDP3LEXP13select_resultP18st_select_lex_unity+0x48)[0x563b701e0438]
      mariadbd(_Z13handle_selectP3THDP3LEXP13select_resulty+0x59)[0x563b70189679]
      mariadbd(+0x826f55)[0x563b700fcf55]
      mariadbd(_Z21mysql_execute_commandP3THDb+0x419e)[0x563b7010bf0e]
      mariadbd(_Z11mysql_parseP3THDPcjP12Parser_state+0x1e7)[0x563b7010d237]
      mariadbd(_Z16dispatch_command19enum_server_commandP3THDPcjb+0x14bd)[0x563b7010fa1d]
      mariadbd(_Z10do_commandP3THDb+0x138)[0x563b70111818]
      mariadbd(_Z24do_handle_one_connectionP7CONNECTb+0x3bf)[0x563b702393af]
      mariadbd(handle_one_connection+0x5d)[0x563b702396fd]
      mariadbd(+0xcd1906)[0x563b705a7906]
      /lib/x86_64-linux-gnu/libc.so.6(+0x94b43)[0x7f61599f3b43]
      /lib/x86_64-linux-gnu/libc.so.6(clone+0x44)[0x7f6159a84bb4]
       
      Trying to get some variables.
      Some pointers may be invalid and cause the dump to abort.
      Query (0x7f60f00130d8): SELECT 28 UNION SELECT 3 UNION SELECT 1 UNION ALL SELECT 1 UNION ALL SELECT 1 EXCEPT ALL SELECT 1
       
      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,hash_join_cardinality=on
      

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              Unassigned Unassigned
              fuboat Jingzhou Fu
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              Dates

                Created:
                Updated:
                Resolved:

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