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During the investigation for MDEV-24769, I hit another crash bug possibly related to the Spider SE.
How to reproduce:
INSTALL PLUGIN spider SONAME 'ha_spider.so';
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SET @@session.spider_same_server_link = ON;
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use test;
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GRANT ALL PRIVILEGES ON *.* TO 'spinne'@'127.0.0.1' IDENTIFIED BY 'password';
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CREATE SERVER IF NOT EXISTS data1
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FOREIGN DATA WRAPPER mysql
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OPTIONS(
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HOST '127.0.0.1',
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DATABASE 'test',
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USER 'spinne',
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PORT 16000,
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PASSWORD 'password'
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);
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CREATE TABLE IF NOT EXISTS `spider_tab` (
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`col1`int,
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`col2`int,
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PRIMARY KEY (`col1`)
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) ENGINE=SPIDER DEFAULT CHARSET=utf8 COMMENT='table "spider_data_tab"'
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PARTITION BY LIST COLUMNS(`col1`)
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(PARTITION `pt1` DEFAULT COMMENT = 'srv "data1"' ENGINE = SPIDER);
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CREATE TABLE IF NOT EXISTS `spider_data_tab` (
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`col1` int,
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`col2` int,
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PRIMARY KEY (`col1`)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8;
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insert into `spider_data_tab` VALUES (1,999), (2,999);
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insert into spider_tab select col1+10, col2 from spider_tab;
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Error log:
Version: '10.5.10-MariaDB-debug-log' socket: '/home/vagrant/repo/mariadb-server/bld/mysql-test/var/tmp/mysqld.1.1.sock' port: 16020 Source distribution
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210716 6:47:18 [ERROR] mysqld got signal 11 ;
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This could be because you hit a bug. It is also possible that this binary
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or one of the libraries it was linked against is corrupt, improperly built,
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or misconfigured. This error can also be caused by malfunctioning hardware.
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To report this bug, see https://mariadb.com/kb/en/reporting-bugs
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We will try our best to scrape up some info that will hopefully help
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diagnose the problem, but since we have already crashed,
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something is definitely wrong and this may fail.
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Server version: 10.5.10-MariaDB-debug-log
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key_buffer_size=1048576
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read_buffer_size=131072
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max_used_connections=1
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max_threads=153
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thread_count=22
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It is possible that mysqld could use up to
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key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 63751 K bytes of memory
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Hope that's ok; if not, decrease some variables in the equation.
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Thread pointer: 0x7f8830000db8
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Attempting backtrace. You can use the following information to find out
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where mysqld died. If you see no messages after this, something went
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terribly wrong...
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stack_bottom = 0x7f885ee67d98 thread_stack 0x49000
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mysys/stacktrace.c:212(my_print_stacktrace)[0x55b006c91891]
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sql/signal_handler.cc:224(handle_fatal_signal)[0x55b0063668f2]
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??:0(__restore_rt)[0x7f88c03c43c0]
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spider/spd_malloc.cc:185(spider_free_mem(st_spider_transaction*, void*, unsigned long))[0x7f88bf94db66]
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spider/ha_spider.cc:669(ha_spider::open(char const*, int, unsigned int))[0x7f88bf95df62]
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sql/handler.cc:2983(handler::ha_open(TABLE*, char const*, int, unsigned int, st_mem_root*, List<String>*))[0x55b0063708a6]
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sql/ha_partition.cc:8641(ha_partition::open_read_partitions(char*, unsigned long))[0x55b0066bb33c]
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sql/ha_partition.cc:3714(ha_partition::open(char const*, int, unsigned int))[0x55b0066ad1d2]
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sql/handler.cc:2983(handler::ha_open(TABLE*, char const*, int, unsigned int, st_mem_root*, List<String>*))[0x55b0063708a6]
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sql/table.cc:4218(open_table_from_share(THD*, TABLE_SHARE*, st_mysql_const_lex_string const*, unsigned int, unsigned int, unsigned int, TABLE*, bool, List<String>*))[0x55b0061476c3]
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sql/sql_base.cc:2001(open_table(THD*, TABLE_LIST*, Open_table_context*))[0x55b005f4f5b9]
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sql/sql_base.cc:3801(open_and_process_table(THD*, TABLE_LIST*, unsigned int*, unsigned int, Prelocking_strategy*, bool, Open_table_context*))[0x55b005f534c4]
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sql/sql_base.cc:4275(open_tables(THD*, DDL_options_st const&, TABLE_LIST**, unsigned int*, unsigned int, Prelocking_strategy*))[0x55b005f5478c]
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sql/sql_base.cc:5211(open_and_lock_tables(THD*, DDL_options_st const&, TABLE_LIST*, bool, unsigned int, Prelocking_strategy*))[0x55b005f56731]
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sql/sql_base.h:507(open_and_lock_tables(THD*, TABLE_LIST*, bool, unsigned int))[0x55b005f0c049]
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sql/sql_parse.cc:4712(mysql_execute_command(THD*))[0x55b0060003e8]
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sql/sql_parse.cc:8099(mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool))[0x55b00600b78a]
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sql/sql_parse.cc:1894(dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool))[0x55b005ff7701]
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sql/sql_parse.cc:1370(do_command(THD*))[0x55b005ff5ef3]
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sql/sql_connect.cc:1410(do_handle_one_connection(CONNECT*, bool))[0x55b0061a5aff]
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sql/sql_connect.cc:1314(handle_one_connection)[0x55b0061a5862]
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perfschema/pfs.cc:2203(pfs_spawn_thread)[0x55b0066c93bb]
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??:0(start_thread)[0x7f88c03b8609]
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??:0(clone)[0x7f88bff8b293]
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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 (0x7f8830013f20): insert into spider_tab select col1+10, col2 from spider_tab
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Connection ID (thread ID): 24
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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
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