Details
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Type:
Bug
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Status: Closed
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Priority:
Critical
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Resolution: Fixed
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Affects Version/s: 10.0.0
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Fix Version/s: 10.0.2
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Component/s: None
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Labels:None
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Environment:On Linux, produced valgrind warnings.
On Windows mysqld.exe segfaulted.
Description
How to repeat:
----------------
change master 'abc' to relay_log_file='';
Description:
---------------------
Linux, valgrind output:
Invalid read of size 8
at: mysql_execute_command (sql_parse.cc:2589)
by: mysql_parse (sql_parse.cc:6056)
by: dispatch_command (sql_parse.cc:1216)
by: do_command (sql_parse.cc:945)
by: do_handle_one_connection (sql_connect.cc:1254)
by: handle_one_connection (sql_connect.cc:1168)
by: start_thread (pthread_create.c:309)
by: clone (clone.S:115)
Address 0x15b2dae0 is 0 bytes inside a block of size 16,216 free'd
at: operator delete (vg_replace_malloc.c:480)
by: free_key_master_info (rpl_mi.cc:635)
by: my_hash_delete (hash.c:604)
by: Master_info_index::remove_master_info (rpl_mi.cc:1049)
by: mysql_execute_command (sql_parse.cc:2588)
by: mysql_parse (sql_parse.cc:6056)
by: dispatch_command (sql_parse.cc:1216)
by: do_command (sql_parse.cc:945)
by: do_handle_one_connection (sql_connect.cc:1254)
by: handle_one_connection (sql_connect.cc:1168)
by: start_thread (pthread_create.c:309)
by: clone (clone.S:115)
Windows, call stack:
mysqld.exe!mysql_execute_command()[sql_parse.cc:2592]
mysqld.exe!mysql_parse()[sql_parse.cc:6061]
mysqld.exe!dispatch_command()[sql_parse.cc:1219]
mysqld.exe!do_command()[sql_parse.cc:951]
mysqld.exe!threadpool_process_request()[threadpool_common.cc:225]
mysqld.exe!io_completion_callback()[threadpool_win.cc:568]
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No, not applicable to 5.5, named connections came with multi-source replication.
(And there is no crash with "change master to", without a name).
Assigned to Monty for now, please re-assign if needed.
Verified as described
Fixed and pushed to 10.0-base.
Will be fixed in 10.0 after next merge of 10.0-base to 10.0.
Elena, is that applicable to 5.x too?