The cinfo struct has a hole after the last struct member so we need to zero it out. Otherwise we don't disclose some uninitialized stack data. Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> diff --git a/drivers/staging/rdma/hfi1/file_ops.c b/drivers/staging/rdma/hfi1/file_ops.c index 4698617..2c43ca5 100644 --- a/drivers/staging/rdma/hfi1/file_ops.c +++ b/drivers/staging/rdma/hfi1/file_ops.c @@ -1181,6 +1181,7 @@ static int get_ctxt_info(struct file *fp, void __user *ubase, __u32 len) struct hfi1_filedata *fd = fp->private_data; int ret = 0; + memset(&cinfo, 0, sizeof(cinfo)); ret = hfi1_get_base_kinfo(uctxt, &cinfo); if (ret < 0) goto done; -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html