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| author | unknown <bell@sanja.is.com.ua> | 2004-07-14 23:57:14 +0300 |
|---|---|---|
| committer | unknown <bell@sanja.is.com.ua> | 2004-07-14 23:57:14 +0300 |
| commit | bde7d0932cb56a846c81f081ac9c4e21cb69e004 (patch) | |
| tree | 2efcfaa93872360cfd7870d2d6cdcb4bf5e25fc0 /sql/item_subselect.cc | |
| parent | dd01a13a5b36635432c2fe067a0710b8c10b7989 (diff) | |
| download | mariadb-git-bde7d0932cb56a846c81f081ac9c4e21cb69e004.tar.gz | |
stack overflow check added for subqueries processing (BUG#4554)
sql/item_subselect.cc:
stack overflow check added for subqueries processing
Diffstat (limited to 'sql/item_subselect.cc')
| -rw-r--r-- | sql/item_subselect.cc | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sql/item_subselect.cc b/sql/item_subselect.cc index 4c1ffeecc97..3d5a11a26bc 100644 --- a/sql/item_subselect.cc +++ b/sql/item_subselect.cc @@ -128,7 +128,12 @@ bool Item_subselect::fix_fields(THD *thd_param, TABLE_LIST *tables, Item **ref) stmt= thd->current_statement; char const *save_where= thd->where; - int res= engine->prepare(); + int res; + + if (check_stack_overrun(thd, (gptr)&res)) + return 1; + + res= engine->prepare(); // all transformetion is done (used by prepared statements) changed= 1; |