Server version: 10.7.0-MariaDB
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key_buffer_size=134217728
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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=1
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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 = 467956 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: 0x62b0000bd218
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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 = 0x7fd051851850 thread_stack 0x5fc00
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sanitizer_common/sanitizer_common_interceptors.inc:4203(__interceptor_backtrace.part.0)[0x7fd0710fdc3e]
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mysys/stacktrace.c:213(my_print_stacktrace)[0x56127516b747]
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sql/signal_handler.cc:222(handle_fatal_signal)[0x561274133120]
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sigaction.c:0(__restore_rt)[0x7fd070ae7870]
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sql/field.cc:2591(Field::set_default())[0x5612740b39eb]
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sql/item.cc:9495(Item_default_value::val_int())[0x5612741c8e52]
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sql/item_func.cc:1112(Item_func_plus::int_op())[0x5612742d8554]
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sql/item.cc:6703(Item::save_int_in_field(Field*, bool))[0x5612741bae90]
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sql/item.cc:6713(Item::save_in_field(Field*, bool))[0x561274180e71]
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sql/table.cc:8821(TABLE::update_default_fields(bool))[0x561273d1134c]
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sql/sql_table.cc:10146(mysql_alter_table(THD*, st_mysql_const_lex_string const*, st_mysql_const_lex_string const*, HA_CREATE_INFO*, TABLE_LIST*, Alter_info*, unsigned int, st_order*, bool, bool))[0x561273c58d0b]
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sql/sql_alter.cc:550(Sql_cmd_alter_table::execute(THD*))[0x561273db0f9a]
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sql/sql_parse.cc:5997(mysql_execute_command(THD*, bool))[0x5612739cb180]
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sql/sql_parse.cc:8047(mysql_parse(THD*, char*, unsigned int, Parser_state*))[0x5612739d85a1]
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sql/sql_parse.cc:1898(dispatch_command(enum_server_command, THD*, char*, unsigned int, bool))[0x5612739de60c]
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sql/sql_parse.cc:1406(do_command(THD*, bool))[0x5612739e373d]
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sql/sql_connect.cc:1418(do_handle_one_connection(CONNECT*, bool))[0x561273d9ee57]
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sql/sql_connect.cc:1312(handle_one_connection)[0x561273d9f33d]
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perfschema/pfs.cc:2204(pfs_spawn_thread)[0x56127482fc2c]
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pthread_create.c:0(start_thread)[0x7fd070add259]
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:0(__GI___clone)[0x7fd0706885e3]
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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 (0x629000087238): ALTER TABLE v0 ADD COLUMN v0 TEXT CHAR SET ASCII DEFAULT ( v1 + DEFAULT ( v1 ) )
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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
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The manual page at https://mariadb.com/kb/en/how-to-produce-a-full-stack-trace-for-mysqld/ contains
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information that should help you find out what is causing the crash.
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Writing a core file...
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Working directory at /home/fuboat/mariadb-tmp/12
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Resource Limits:
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Limit Soft Limit Hard Limit Units
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Max cpu time unlimited unlimited seconds
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Max file size unlimited unlimited bytes
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Max data size unlimited unlimited bytes
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Max stack size 8388608 unlimited bytes
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Max core file size unlimited unlimited bytes
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Max resident set unlimited unlimited bytes
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Max processes 61608 61608 processes
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Max open files 524288 524288 files
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Max locked memory 65536 65536 bytes
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Max address space unlimited unlimited bytes
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Max file locks unlimited unlimited locks
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Max pending signals 61608 61608 signals
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Max msgqueue size 819200 819200 bytes
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Max nice priority 0 0
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Max realtime priority 0 0
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Max realtime timeout unlimited unlimited us
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Core pattern: core
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