IB/hfi1: info leak in get_ctxt_info()
The cinfo struct has a hole after the last struct member so we need to
zero it out. Otherwise we disclose some uninitialized stack data.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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 @@
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;