OS-8407: varpd/svp multicast confusion


Issue Type:Bug
Priority:5 - Low
Created at:2022-09-13T00:14:39.040Z
Updated at:2022-09-21T18:03:32.752Z


Created by:Brian Bennett
Reported by:Brian Bennett
Assigned to:Brian Bennett

Fix Versions

2022-09-22 Angel Knives (Release Date: 2022-09-22)

Related Links


See also illumos#14967.

When bringing up an overlay, we check to ensure the address is not a multicast address. However, the address needs to be ntohl() swapped, but isn't. This means that any IP ending with 224-239 will fail, but IPs that are actually multicast (prefix 224-239) will be incorrectly allowed.


Comment by Brian Bennett
Created at 2022-09-15T15:21:49.412Z

See [https://www.illumos.org/issues/14967|https://www.illumos.org/issues/14967|smart-link] for testing notes. They are directly related and were tested together.