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-rw-r--r--mysys/hash.c1
-rw-r--r--sql/log.cc3
-rw-r--r--sql/repl_failsafe.cc7
-rw-r--r--sql/rpl_tblmap.cc8
-rw-r--r--sql/sp.cc15
-rw-r--r--sql/sp.h2
-rw-r--r--sql/sp_cache.cc12
-rw-r--r--sql/sp_head.cc24
-rw-r--r--sql/sp_head.h2
-rw-r--r--sql/sql_acl.cc22
-rw-r--r--sql/sql_base.cc7
-rw-r--r--sql/sql_select.cc5
-rw-r--r--sql/sql_yacc.yy37
-rw-r--r--sql/table.cc12
14 files changed, 117 insertions, 40 deletions
diff --git a/mysys/hash.c b/mysys/hash.c
index 9c1957bf0aa..48ac122fa34 100644
--- a/mysys/hash.c
+++ b/mysys/hash.c
@@ -334,6 +334,7 @@ my_bool my_hash_insert(HASH *info, const uchar *record)
size_t idx,halfbuff,hash_nr,first_index;
uchar *UNINIT_VAR(ptr_to_rec),*UNINIT_VAR(ptr_to_rec2);
HASH_LINK *data,*empty,*UNINIT_VAR(gpos),*UNINIT_VAR(gpos2),*pos;
+ DBUG_EXECUTE("fail_hash_insert",return(TRUE););
if (HASH_UNIQUE & info->flags)
{
diff --git a/sql/log.cc b/sql/log.cc
index 057f5e8cd7d..b4c9e5eb4cc 100644
--- a/sql/log.cc
+++ b/sql/log.cc
@@ -5650,9 +5650,8 @@ int TC_LOG_BINLOG::recover(IO_CACHE *log, Format_description_log_event *fdle)
Xid_log_event *xev=(Xid_log_event *)ev;
uchar *x= (uchar *) memdup_root(&mem_root, (uchar*) &xev->xid,
sizeof(xev->xid));
- if (! x)
+ if (!x || my_hash_insert(&xids, x))
goto err2;
- my_hash_insert(&xids, x);
}
delete ev;
}
diff --git a/sql/repl_failsafe.cc b/sql/repl_failsafe.cc
index 312499bb4ee..c6a05e93bf4 100644
--- a/sql/repl_failsafe.cc
+++ b/sql/repl_failsafe.cc
@@ -559,7 +559,12 @@ HOSTS";
goto err;
}
si->server_id = log_server_id;
- my_hash_insert(&slave_list, (uchar*)si);
+ if (my_hash_insert(&slave_list, (uchar*)si))
+ {
+ error= "the slave is out of memory";
+ pthread_mutex_unlock(&LOCK_slave_list);
+ goto err;
+ }
}
strmake(si->host, row[1], sizeof(si->host)-1);
si->port = atoi(row[port_ind]);
diff --git a/sql/rpl_tblmap.cc b/sql/rpl_tblmap.cc
index a004c354263..6ef9a8623fe 100644
--- a/sql/rpl_tblmap.cc
+++ b/sql/rpl_tblmap.cc
@@ -119,7 +119,13 @@ int table_mapping::set_table(ulong table_id, TABLE* table)
}
e->table_id= table_id;
e->table= table;
- my_hash_insert(&m_table_ids,(uchar *)e);
+ if (my_hash_insert(&m_table_ids,(uchar *)e))
+ {
+ /* we add this entry to the chain of free (free for use) entries */
+ e->next= m_free;
+ m_free= e;
+ DBUG_RETURN(ERR_MEMORY_ALLOCATION);
+ }
DBUG_PRINT("info", ("tid %lu -> table 0x%lx (%s)",
table_id, (long) e->table,
diff --git a/sql/sp.cc b/sql/sp.cc
index fd420732628..b254ba8e694 100644
--- a/sql/sp.cc
+++ b/sql/sp.cc
@@ -1506,7 +1506,8 @@ static bool add_used_routine(LEX *lex, Query_arena *arena,
rn->key.length= key->length;
rn->key.str= (char *)rn + sizeof(Sroutine_hash_entry);
memcpy(rn->key.str, key->str, key->length + 1);
- my_hash_insert(&lex->sroutines, (uchar *)rn);
+ if (my_hash_insert(&lex->sroutines, (uchar *)rn))
+ return FALSE;
lex->sroutines_list.link_in_list((uchar *)rn, (uchar **)&rn->next);
rn->belong_to_view= belong_to_view;
return TRUE;
@@ -1584,16 +1585,24 @@ void sp_remove_not_own_routines(LEX *lex)
dependant on time of life of elements from source hash. It also
won't touch lists linking elements in source and destination
hashes.
+
+ @returns
+ @return TRUE Failure
+ @return FALSE Success
*/
-void sp_update_sp_used_routines(HASH *dst, HASH *src)
+bool sp_update_sp_used_routines(HASH *dst, HASH *src)
{
for (uint i=0 ; i < src->records ; i++)
{
Sroutine_hash_entry *rt= (Sroutine_hash_entry *)hash_element(src, i);
if (!hash_search(dst, (uchar *)rt->key.str, rt->key.length))
- my_hash_insert(dst, (uchar *)rt);
+ {
+ if (my_hash_insert(dst, (uchar *)rt))
+ return TRUE;
+ }
}
+ return FALSE;
}
diff --git a/sql/sp.h b/sql/sp.h
index 5a190c5480e..876287d9704 100644
--- a/sql/sp.h
+++ b/sql/sp.h
@@ -69,7 +69,7 @@ void sp_get_prelocking_info(THD *thd, bool *need_prelocking,
void sp_add_used_routine(LEX *lex, Query_arena *arena,
sp_name *rt, char rt_type);
void sp_remove_not_own_routines(LEX *lex);
-void sp_update_sp_used_routines(HASH *dst, HASH *src);
+bool sp_update_sp_used_routines(HASH *dst, HASH *src);
int sp_cache_routines_and_add_tables(THD *thd, LEX *lex,
bool first_no_prelock);
int sp_cache_routines_and_add_tables_for_view(THD *thd, LEX *lex,
diff --git a/sql/sp_cache.cc b/sql/sp_cache.cc
index 64898915b7e..b8209a373a2 100644
--- a/sql/sp_cache.cc
+++ b/sql/sp_cache.cc
@@ -36,10 +36,16 @@ public:
sp_cache();
~sp_cache();
- inline void insert(sp_head *sp)
+ /**
+ Inserts a sp_head object into a hash table.
+
+ @returns Success status
+ @return TRUE Failure
+ @return FALSE Success
+ */
+ inline bool insert(sp_head *sp)
{
- /* TODO: why don't we check return value? */
- my_hash_insert(&m_hashtable, (const uchar *)sp);
+ return my_hash_insert(&m_hashtable, (const uchar *)sp);
}
inline sp_head *lookup(char *name, uint namelen)
diff --git a/sql/sp_head.cc b/sql/sp_head.cc
index f0c858cc50a..51a731138ca 100644
--- a/sql/sp_head.cc
+++ b/sql/sp_head.cc
@@ -2090,8 +2090,18 @@ sp_head::reset_lex(THD *thd)
DBUG_RETURN(FALSE);
}
-/// Restore lex during parsing, after we have parsed a sub statement.
-void
+
+/**
+ Restore lex during parsing, after we have parsed a sub statement.
+
+ @param thd Thread handle
+
+ @return
+ @retval TRUE failure
+ @retval FALSE success
+*/
+
+bool
sp_head::restore_lex(THD *thd)
{
DBUG_ENTER("sp_head::restore_lex");
@@ -2102,7 +2112,7 @@ sp_head::restore_lex(THD *thd)
oldlex= (LEX *)m_lex.pop();
if (! oldlex)
- return; // Nothing to restore
+ DBUG_RETURN(FALSE); // Nothing to restore
oldlex->trg_table_fields.push_back(&sublex->trg_table_fields);
@@ -2118,7 +2128,8 @@ sp_head::restore_lex(THD *thd)
Add routines which are used by statement to respective set for
this routine.
*/
- sp_update_sp_used_routines(&m_sroutines, &sublex->sroutines);
+ if (sp_update_sp_used_routines(&m_sroutines, &sublex->sroutines))
+ DBUG_RETURN(TRUE);
/*
Merge tables used by this statement (but not by its functions or
procedures) to multiset of tables used by this routine.
@@ -2130,7 +2141,7 @@ sp_head::restore_lex(THD *thd)
delete sublex;
}
thd->lex= oldlex;
- DBUG_VOID_RETURN;
+ DBUG_RETURN(FALSE);
}
/**
@@ -3868,7 +3879,8 @@ sp_head::merge_table_list(THD *thd, TABLE_LIST *table, LEX *lex_for_tmp_check)
tab->lock_type= table->lock_type;
tab->lock_count= tab->query_lock_count= 1;
tab->trg_event_map= table->trg_event_map;
- my_hash_insert(&m_sptabs, (uchar *)tab);
+ if (my_hash_insert(&m_sptabs, (uchar *)tab))
+ return FALSE;
}
}
return TRUE;
diff --git a/sql/sp_head.h b/sql/sp_head.h
index dd11f8693ac..00c96d44f70 100644
--- a/sql/sp_head.h
+++ b/sql/sp_head.h
@@ -340,7 +340,7 @@ public:
@todo Conflicting comment in sp_head.cc
*/
- void
+ bool
restore_lex(THD *thd);
/// Put the instruction on the backpatch list, associated with the label.
diff --git a/sql/sql_acl.cc b/sql/sql_acl.cc
index 0592bb3be1d..fd87a5c0961 100644
--- a/sql/sql_acl.cc
+++ b/sql/sql_acl.cc
@@ -2404,7 +2404,12 @@ GRANT_TABLE::GRANT_TABLE(TABLE *form, TABLE *col_privs)
privs = cols = 0; /* purecov: deadcode */
return; /* purecov: deadcode */
}
- my_hash_insert(&hash_columns, (uchar *) mem_check);
+ if (my_hash_insert(&hash_columns, (uchar *) mem_check))
+ {
+ /* Invalidate this entry */
+ privs= cols= 0;
+ return;
+ }
} while (!col_privs->file->index_next(col_privs->record[0]) &&
!key_cmp_if_same(col_privs,key,0,key_prefix_len));
col_privs->file->ha_index_end();
@@ -2609,7 +2614,11 @@ static int replace_column_table(GRANT_TABLE *g_t,
goto end; /* purecov: inspected */
}
grant_column= new GRANT_COLUMN(column->column,privileges);
- my_hash_insert(&g_t->hash_columns,(uchar*) grant_column);
+ if (my_hash_insert(&g_t->hash_columns,(uchar*) grant_column))
+ {
+ result= -1;
+ goto end;
+ }
}
}
@@ -3134,12 +3143,12 @@ int mysql_table_grant(THD *thd, TABLE_LIST *table_list,
Str->user.str, table_name,
rights,
column_priv);
- if (!grant_table) // end of memory
+ if (!grant_table ||
+ my_hash_insert(&column_priv_hash,(uchar*) grant_table))
{
result= TRUE; /* purecov: deadcode */
continue; /* purecov: deadcode */
}
- my_hash_insert(&column_priv_hash,(uchar*) grant_table);
}
/* If revoke_grant, calculate the new column privilege for tables_priv */
@@ -3343,12 +3352,13 @@ bool mysql_routine_grant(THD *thd, TABLE_LIST *table_list, bool is_proc,
grant_name= new GRANT_NAME(Str->host.str, db_name,
Str->user.str, table_name,
rights, TRUE);
- if (!grant_name)
+ if (!grant_name ||
+ my_hash_insert(is_proc ?
+ &proc_priv_hash : &func_priv_hash,(uchar*) grant_name))
{
result= TRUE;
continue;
}
- my_hash_insert(is_proc ? &proc_priv_hash : &func_priv_hash,(uchar*) grant_name);
}
if (replace_routine_table(thd, grant_name, tables[1].table, *Str,
diff --git a/sql/sql_base.cc b/sql/sql_base.cc
index be31ffe04dd..cf8a0b32764 100644
--- a/sql/sql_base.cc
+++ b/sql/sql_base.cc
@@ -2935,7 +2935,12 @@ TABLE *open_table(THD *thd, TABLE_LIST *table_list, MEM_ROOT *mem_root,
DBUG_PRINT("info", ("inserting table '%s'.'%s' 0x%lx into the cache",
table->s->db.str, table->s->table_name.str,
(long) table));
- VOID(my_hash_insert(&open_cache,(uchar*) table));
+ if (my_hash_insert(&open_cache,(uchar*) table))
+ {
+ my_free(table, MYF(0));
+ VOID(pthread_mutex_unlock(&LOCK_open));
+ DBUG_RETURN(NULL);
+ }
}
check_unused(); // Debugging call
diff --git a/sql/sql_select.cc b/sql/sql_select.cc
index 00080b9b9d9..18fc3b20748 100644
--- a/sql/sql_select.cc
+++ b/sql/sql_select.cc
@@ -14007,7 +14007,10 @@ static int remove_dup_with_hash_index(THD *thd, TABLE *table,
goto err;
}
else
- (void) my_hash_insert(&hash, org_key_pos);
+ {
+ if (my_hash_insert(&hash, org_key_pos))
+ goto err;
+ }
key_pos+=extra_length;
}
my_free((char*) key_buffer,MYF(0));
diff --git a/sql/sql_yacc.yy b/sql/sql_yacc.yy
index 28e1272e244..90bd7395732 100644
--- a/sql/sql_yacc.yy
+++ b/sql/sql_yacc.yy
@@ -2330,8 +2330,8 @@ sp_decl:
}
pctx->declare_var_boundary(0);
- lex->sphead->restore_lex(YYTHD);
-
+ if (lex->sphead->restore_lex(YYTHD))
+ MYSQL_YYABORT;
$$.vars= $2;
$$.conds= $$.hndlrs= $$.curs= 0;
}
@@ -2441,7 +2441,8 @@ sp_cursor_stmt:
}
lex->sp_lex_in_use= TRUE;
$$= lex;
- lex->sphead->restore_lex(YYTHD);
+ if (lex->sphead->restore_lex(YYTHD))
+ MYSQL_YYABORT;
}
;
@@ -2660,7 +2661,8 @@ sp_proc_stmt_statement:
sp->add_instr(i))
MYSQL_YYABORT;
}
- sp->restore_lex(thd);
+ if (sp->restore_lex(thd))
+ MYSQL_YYABORT;
}
;
@@ -2688,7 +2690,8 @@ sp_proc_stmt_return:
MYSQL_YYABORT;
sp->m_flags|= sp_head::HAS_RETURN;
}
- sp->restore_lex(YYTHD);
+ if (sp->restore_lex(YYTHD))
+ MYSQL_YYABORT;
}
;
@@ -2928,7 +2931,8 @@ sp_if:
sp->add_cont_backpatch(i) ||
sp->add_instr(i))
MYSQL_YYABORT;
- sp->restore_lex(YYTHD);
+ if (sp->restore_lex(YYTHD))
+ MYSQL_YYABORT;
}
sp_proc_stmts1
{
@@ -2974,7 +2978,9 @@ simple_case_stmt:
if (case_stmt_action_expr(lex, $3))
MYSQL_YYABORT;
- lex->sphead->restore_lex(YYTHD); /* For expr $3 */
+ /* For expr $3 */
+ if (lex->sphead->restore_lex(YYTHD))
+ MYSQL_YYABORT;
}
simple_when_clause_list
else_clause_opt
@@ -3024,7 +3030,9 @@ simple_when_clause:
LEX *lex= Lex;
if (case_stmt_action_when(lex, $3, true))
MYSQL_YYABORT;
- lex->sphead->restore_lex(YYTHD); /* For expr $3 */
+ /* For expr $3 */
+ if (lex->sphead->restore_lex(YYTHD))
+ MYSQL_YYABORT;
}
THEN_SYM
sp_proc_stmts1
@@ -3045,7 +3053,9 @@ searched_when_clause:
LEX *lex= Lex;
if (case_stmt_action_when(lex, $3, false))
MYSQL_YYABORT;
- lex->sphead->restore_lex(YYTHD); /* For expr $3 */
+ /* For expr $3 */
+ if (lex->sphead->restore_lex(YYTHD))
+ MYSQL_YYABORT;
}
THEN_SYM
sp_proc_stmts1
@@ -3222,7 +3232,8 @@ sp_unlabeled_control:
sp->new_cont_backpatch(i) ||
sp->add_instr(i))
MYSQL_YYABORT;
- sp->restore_lex(YYTHD);
+ if (sp->restore_lex(YYTHD))
+ MYSQL_YYABORT;
}
sp_proc_stmts1 END WHILE_SYM
{
@@ -3248,7 +3259,8 @@ sp_unlabeled_control:
if (i == NULL ||
lex->sphead->add_instr(i))
MYSQL_YYABORT;
- lex->sphead->restore_lex(YYTHD);
+ if (lex->sphead->restore_lex(YYTHD))
+ MYSQL_YYABORT;
/* We can shortcut the cont_backpatch here */
i->m_cont_dest= ip+1;
}
@@ -11777,7 +11789,8 @@ option_type_value:
if (sp->add_instr(i))
MYSQL_YYABORT;
}
- lex->sphead->restore_lex(thd);
+ if (lex->sphead->restore_lex(thd))
+ MYSQL_YYABORT;
}
}
;
diff --git a/sql/table.cc b/sql/table.cc
index d2538eb4d59..35e8d83369f 100644
--- a/sql/table.cc
+++ b/sql/table.cc
@@ -1315,8 +1315,16 @@ static int open_binary_frm(THD *thd, TABLE_SHARE *share, uchar *head,
share->timestamp_field_offset= i;
if (use_hash)
- (void) my_hash_insert(&share->name_hash,
- (uchar*) field_ptr); // never fail
+ if (my_hash_insert(&share->name_hash, (uchar*) field_ptr) )
+ {
+ /*
+ Set return code 8 here to indicate that an error has
+ occurred but that the error message already has been
+ sent (OOM).
+ */
+ error= 8;
+ goto err;
+ }
}
*field_ptr=0; // End marker
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