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Fixes for bugs #2274 "mysqld gets SIGSEGV during processing of malformed

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COM_EXECUTE packet" and #2795 "prepare + execute without bind_param crashes
 server" and #2473 "seg fault running tests/client_test.c": 
- length checking added to packet parser 
- default impelemntation of Item_param::set_param_func will work in
case of malformed packet.
No test cases are possible in our test suite, as there are no tests 
operating on protocol layer.
This commit is contained in:
konstantin@mysql.com
2004-03-15 20:20:47 +03:00
parent 7e2bb11d2a
commit e43ac76094
5 changed files with 114 additions and 57 deletions
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2
sql/mysql_priv.h
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@ -621,7 +621,7 @@ int mysqld_help (THD *thd, const char *text);
/* sql_prepare.cc */
void mysql_stmt_prepare(THD *thd, char *packet, uint packet_length);
void mysql_stmt_execute(THD *thd, char *packet);
void mysql_stmt_execute(THD *thd, char *packet, uint packet_length);
void mysql_stmt_free(THD *thd, char *packet);
void mysql_stmt_reset(THD *thd, char *packet);
void mysql_stmt_get_longdata(THD *thd, char *pos, ulong packet_length);