Details
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Bug
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Status: Closed (View Workflow)
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Major
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Resolution: Duplicate
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11.1.2, 11.2.1
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None
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Ubuntu 20.04 x86-64, docker image mariadb:11.1.2
Description
PoC:
SELECT ( SELECT ( CASE WHEN 1 THEN 'x' END + 1 ) INTERSECT SELECT 1 UNION ALL SELECT 1 EXCEPT ALL SELECT 1 ) ; |
docker log:
mariadbd(my_print_stacktrace+0x32)[0x56002fe267c2]
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mariadbd(handle_fatal_signal+0x488)[0x56002f8ffcf8]
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/lib/x86_64-linux-gnu/libc.so.6(+0x42520)[0x7ff3bd64c520]
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mariadbd(+0xd7425f)[0x56002fbce25f]
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mariadbd(+0xd72457)[0x56002fbcc457]
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mariadbd(_ZN15select_unit_ext9send_dataER4ListI4ItemE+0x283)[0x56002f75ea03]
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mariadbd(_ZN4JOIN10exec_innerEv+0xc90)[0x56002f70e880]
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mariadbd(_ZN4JOIN4execEv+0x3f)[0x56002f70efff]
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mariadbd(_ZN18st_select_lex_unit10exec_innerEv+0x5b4)[0x56002f761344]
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mariadbd(_ZN22subselect_union_engine4execEv+0x22)[0x56002f9de262]
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mariadbd(_ZN14Item_subselect4execEv+0x4c)[0x56002f9de73c]
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mariadbd(_ZN24Item_singlerow_subselect8val_realEv+0x39)[0x56002f9e0bb9]
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mariadbd(_ZNK12Type_handler16Item_send_doubleEP4ItemP8ProtocolP8st_value+0x1d)[0x56002f8569fd]
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mariadbd(_ZN8Protocol19send_result_set_rowEP4ListI4ItemE+0xea)[0x56002f5b4cfa]
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mariadbd(_ZN11select_send9send_dataER4ListI4ItemE+0x37)[0x56002f6336a7]
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mariadbd(_ZN4JOIN10exec_innerEv+0xc90)[0x56002f70e880]
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mariadbd(_ZN4JOIN4execEv+0x3f)[0x56002f70efff]
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mariadbd(_Z12mysql_selectP3THDP10TABLE_LISTR4ListI4ItemEPS4_jP8st_orderS9_S7_S9_yP13select_resultP18st_select_lex_unitP13st_select_lex+0x12c)[0x56002f70cf7c]
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mariadbd(_Z13handle_selectP3THDP3LEXP13select_resulty+0x154)[0x56002f70d774]
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mariadbd(+0x826f55)[0x56002f680f55]
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mariadbd(_Z21mysql_execute_commandP3THDb+0x419e)[0x56002f68ff0e]
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mariadbd(_Z11mysql_parseP3THDPcjP12Parser_state+0x1e7)[0x56002f691237]
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mariadbd(_Z16dispatch_command19enum_server_commandP3THDPcjb+0x14bd)[0x56002f693a1d]
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mariadbd(_Z10do_commandP3THDb+0x138)[0x56002f695818]
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mariadbd(_Z24do_handle_one_connectionP7CONNECTb+0x3bf)[0x56002f7bd3af]
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mariadbd(handle_one_connection+0x5d)[0x56002f7bd6fd]
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mariadbd(+0xcd1906)[0x56002fb2b906]
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/lib/x86_64-linux-gnu/libc.so.6(+0x94b43)[0x7ff3bd69eb43]
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/lib/x86_64-linux-gnu/libc.so.6(clone+0x44)[0x7ff3bd72fbb4]
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Trying to get some variables.
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Some pointers may be invalid and cause the dump to abort.
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Query (0x7ff3600130d8): SELECT ( SELECT ( CASE WHEN 1 THEN 'x' END + 1 ) INTERSECT SELECT 1 UNION ALL SELECT 1 EXCEPT ALL SELECT 1 )
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Connection ID (thread ID): 4
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Status: NOT_KILLED
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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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Attachments
Issue Links
- duplicates
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MDEV-25158 SIGSEGV in hp_rec_key_cmp and Assertion `curr_op_type != INTERSECT_ALL' failed on SELECT ... UNION SELECT, ASAN heap-use-after-free in ha_heap::find_unique_row
- Confirmed