scsi: aacraid: fix leak of data from stack back to userspace
The fields sense_data_size and sense_data are unitialized garbage from
the stack and are being copied back to userspace. Fix this leak of
stack information by ensuring they are zero'd.
Detected by CoverityScan, CID#1435473 ("Uninitialized scalar variable")
Fixes: 423400e64d377 ("scsi: aacraid: Include HBA direct interface")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Dave Carroll <david.carroll@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
diff --git a/drivers/scsi/aacraid/commctrl.c b/drivers/scsi/aacraid/commctrl.c
index 106b933..6bb6ed4 100644
--- a/drivers/scsi/aacraid/commctrl.c
+++ b/drivers/scsi/aacraid/commctrl.c
@@ -955,6 +955,8 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
reply.srb_status = SRB_STATUS_SUCCESS;
reply.scsi_status = 0;
reply.data_xfer_length = byte_count;
+ reply.sense_data_size = 0;
+ memset(reply.sense_data, 0, AAC_SENSE_BUFFERSIZE);
} else {
reply.srb_status = err->service_response;
reply.scsi_status = err->status;