diff options
| -rw-r--r-- | drivers/target/target_core_iblock.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c index 2efd70ca0b1d..76db75e836ed 100644 --- a/drivers/target/target_core_iblock.c +++ b/drivers/target/target_core_iblock.c @@ -336,6 +336,11 @@ static int iblock_execute_unmap(struct se_cmd *cmd) bd_dl = get_unaligned_be16(&buf[2]); size = min(size - 8, bd_dl); + if (size / 16 > dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count) { + cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST; + ret = -EINVAL; + goto err; + } /* First UNMAP block descriptor starts at 8 byte offset */ ptr = &buf[8]; |