Details
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Bug
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Status: Closed (View Workflow)
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Critical
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Resolution: Fixed
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10.0.9
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None
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None
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Windows
Description
--source include/have_innodb.inc
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create temporary table tmp (i int) engine=innodb; |
truncate table tmp; |
mysqld.exe!handle_rtc_failure(int err_type, const char * file, int line, const char * module, const char * format, ...) Line 284 C
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mysqld.exe!failwithmessage(void * retaddr, int crttype, int errnum, const char * msg) + 0x223 bytes C++
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mysqld.exe!_RTC_UninitUse(const char * varname) + 0xee bytes C++
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mysqld.exe!Sql_cmd_truncate_table::handler_truncate(THD * thd, TABLE_LIST * table_ref, bool is_tmp_table) Line 228 + 0x13 bytes C++
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mysqld.exe!Sql_cmd_truncate_table::truncate_table(THD * thd, TABLE_LIST * table_ref) Line 444 + 0x20 bytes C++
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mysqld.exe!Sql_cmd_truncate_table::execute(THD * thd) Line 534 + 0x1a bytes C++
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mysqld.exe!mysql_execute_command(THD * thd) Line 5109 + 0x2c bytes C++
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mysqld.exe!mysql_parse(THD * thd, char * rawbuf, unsigned int length, Parser_state * parser_state) Line 6452 + 0xd bytes C++
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mysqld.exe!dispatch_command(enum_server_command command, THD * thd, char * packet, unsigned int packet_length) Line 1311 C++
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mysqld.exe!do_command(THD * thd) Line 1005 + 0x25 bytes C++
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mysqld.exe!do_handle_one_connection(THD * thd_arg) Line 1379 + 0xa bytes C++
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mysqld.exe!handle_one_connection(void * arg) Line 1294 C++
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mysqld.exe!pfs_spawn_thread(void * arg) Line 1855 C++
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mysqld.exe!pthread_start(void * p) Line 61 C
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mysqld.exe!_callthreadstartex() Line 314 + 0x17 bytes C
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mysqld.exe!_threadstartex(void * ptd) Line 297 C
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revision-id: monty@mariadb.org-20140328194257-zr9f894fd4h9lqgy
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date: 2014-03-28 21:42:57 +0200
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build-date: 2014-03-28 13:17:47 -0700
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revno: 4134
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branch-nick: 10.0
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Attachments
Activity
Microsoft compiler adds runtime checks for uninitialized variables in debug version (of course, it also complains during compilation about possibly uninitialized variables 
)
Here, the crash is failed runtime check.
The code in Sql_cmd_truncate_table::handler_truncate goes like this:
uint flags;...if (!is_tmp_table){...flags= MYSQL_OPEN_IGNORE_FLUSH;...}if (open_and_lock_tables(thd, table_ref, FALSE, flags))..if is_tmp_table==true, then 'flags' will have garbage value which will be
passed to open_and_lock_tables.