iptables physdev match broken
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux-hwe-5.15 (Ubuntu) |
New
|
Undecided
|
Unassigned |
Bug Description
A generic bug report that lead to discovering the root cause:
https:/
### Copied from bug report above, applies to current issue exactly
== Regression details ==
Discovered in version: 5.19.0-
Last known good version: 5.19.0-
How to tell? Add & use a bridge interface, add catchall filter (no -j ACTION needed) see if *any* bridge traffic is tracked:
# iptables -A INPUT -m physdev --physdev-in + -m comment --comment "watch me"
# iptables -nvL INPUT | grep watch
1)
Description: Ubuntu 20.04.6 LTS
Release: 20.04
2)
5.15.0-
3)
Expected iptables bridge filtering via physdev module to work
4)
Instead the physdev module cannot be used for bridge filtering, does not work at all