diff options
Diffstat (limited to 'drivers/scsi/scsi_ioctl.c')
| -rw-r--r-- | drivers/scsi/scsi_ioctl.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/scsi/scsi_ioctl.c b/drivers/scsi/scsi_ioctl.c index 34412eac4566..400df3354cd6 100644 --- a/drivers/scsi/scsi_ioctl.c +++ b/drivers/scsi/scsi_ioctl.c @@ -347,6 +347,8 @@ static int scsi_fill_sghdr_rq(struct scsi_device *sdev, struct request *rq, { struct scsi_request *req = scsi_req(rq); + if (hdr->cmd_len < 6) + return -EMSGSIZE; if (copy_from_user(req->cmd, hdr->cmdp, hdr->cmd_len)) return -EFAULT; if (!scsi_cmd_allowed(req->cmd, mode)) |