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Bug#16372927: STACK OVERFLOW WITH LONG DATABASE NAME IN

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GRANT STATEMENT

Description: A missing length check causes problem while
             copying source to destination when
             lower_case_table_names is set to a value
             other than 0. This patch fixes the issue
             by ensuring that requried bound check is
             performed.
This commit is contained in:
Harin Vadodaria
2013-02-26 21:23:06 +05:30
parent 053d7e775c
commit fd4ea8b094
1 changed files with 2 additions and 1 deletions
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3
sql/sql_acl.cc
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@ -3475,7 +3475,8 @@ bool mysql_grant(THD *thd, const char *db, List <LEX_USER> &list,
if (lower_case_table_names && db) if (lower_case_table_names && db)
{ {
strmov(tmp_db,db); strnmov(tmp_db,db,NAME_LEN);
tmp_db[NAME_LEN]= '\0';
my_casedn_str(files_charset_info, tmp_db); my_casedn_str(files_charset_info, tmp_db);
db=tmp_db; db=tmp_db;
} }