diff options
| author | Varun Gupta <varun.gupta@mariadb.com> | 2018-12-19 10:34:30 +0530 |
|---|---|---|
| committer | Varun Gupta <varun.gupta@mariadb.com> | 2018-12-19 10:38:46 +0530 |
| commit | 7e606a2d5ca59dbd901b7c8909214a0fc12fbadd (patch) | |
| tree | b3c9ae6e97a542395f6e6f41fc3f465ca7786872 /sql/partition_info.cc | |
| parent | da4efd56aa9bc3c39d94a73eb216ca7f559ce734 (diff) | |
| download | mariadb-git-7e606a2d5ca59dbd901b7c8909214a0fc12fbadd.tar.gz | |
MDEV-17589: Stack-buffer-overflow with indexed varchar (utf8) fieldbb-10.0-varun
Create a new constant MAX_DATA_LENGTH_FOR_KEY.
Replace the value of MAX_KEY_LENGTH to also include the LENGTH and NULL BYTES
of a field.
Diffstat (limited to 'sql/partition_info.cc')
| -rw-r--r-- | sql/partition_info.cc | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sql/partition_info.cc b/sql/partition_info.cc index e6a30c8a7f0..7106e741331 100644 --- a/sql/partition_info.cc +++ b/sql/partition_info.cc @@ -1990,12 +1990,12 @@ bool partition_info::check_partition_field_length() for (i= 0; i < num_part_fields; i++) store_length+= get_partition_field_store_length(part_field_array[i]); - if (store_length > MAX_KEY_LENGTH) + if (store_length > MAX_DATA_LENGTH_FOR_KEY) DBUG_RETURN(TRUE); store_length= 0; for (i= 0; i < num_subpart_fields; i++) store_length+= get_partition_field_store_length(subpart_field_array[i]); - if (store_length > MAX_KEY_LENGTH) + if (store_length > MAX_DATA_LENGTH_FOR_KEY) DBUG_RETURN(TRUE); DBUG_RETURN(FALSE); } |