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Fix to MXS-209: https://mariadb.atlassian.net/browse/MXS-209

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Added missing checks for proper column count on query result.
This commit is contained in:
Markus Makela
2015-06-28 08:43:05 +03:00
parent 05991384a6
commit 113fb4c33b
4 changed files with 84 additions and 3 deletions
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14
server/modules/monitor/ndbclustermon.c
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@ -323,6 +323,13 @@ char *server_string;
if (mysql_query(database->con, "SHOW STATUS LIKE 'Ndb_number_of_ready_data_nodes'") == 0
&& (result = mysql_store_result(database->con)) != NULL)
{
if(mysql_field_count(database->con) < 2)
{
mysql_free_result(result);
skygw_log_write(LE,"Error: Malformed result for \"SHOW STATUS LIKE 'Ndb_number_of_ready_data_nodes'\"");
return;
}
while ((row = mysql_fetch_row(result)))
{
if (atoi(row[1]) > 0)
@ -335,6 +342,13 @@ char *server_string;
if (mysql_query(database->con, "SHOW STATUS LIKE 'Ndb_cluster_node_id'") == 0
&& (result = mysql_store_result(database->con)) != NULL)
{
if(mysql_field_count(database->con) < 2)
{
mysql_free_result(result);
skygw_log_write(LE,"Error: Malformed result for \"SHOW STATUS LIKE 'Ndb_cluster_node_id'\"");
return;
}
long cluster_node_id = -1;
while ((row = mysql_fetch_row(result)))
{