https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=285096
Bug ID: 285096
Summary: New changes to ath and net80211 breaks HostAP mode for
AR5416
Product: Base System
Version: 14.2-STABLE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: wireless
Assignee: wireless@FreeBSD.org
Reporter: ens...@gmail.com
Hello Adrian, Bjoern,
After updating source and building world/kernel for the OpenSSH vulnerability
(stable/14-n270518-0611b649eb20), I noticed a lot of machines (e.g. Windows 11
machine and iPhone 12) could no longer associate to my HostAP and would spam
associate/disassociate messages in daemon.log. I'm using FreeBSD if_ath with
AR5416 chipset to serve wireless with these options: "channel 7:ht/40- ssid
Lamp up burst wme". Everything continues to work correctly on my previous
kernel stable/14-n270273-3d30774f0056.
Only changes Adrian and I could identify have been these commit hashes:
ath (enum over numbers for channel widths):
c5978cd3e49a462fe799ff745208b7b0f7ac7ab1
net80211 (CCMP crypto and replay attack changes):
bdc94f09bd96b28dcb841afa31f44b0879130134
If I revert the one file in the CCMP change, machines associate and no longer
spam daemon.log. However, a Windows machine I tested with a "Intel(R) Wi-Fi 6E
AX211 160 MHz" radio could not get an IP address over DHCP. And it could not
ping the HostAP FreeBSD machine with a hardcoded IP address. So it seemingly
cannot communicate with the FreeBSD HostAP despite being able to associate.
I'm stumped. I do not see anything obviously wrong with the two commit hashes.
Changing to an enum doesn't seem like it would cause any problems. I'm less
sure about the CCMP change but it seems harmless. I'm currently just using
stable/14-n270273-3d30774f0056 until I can figure out how to fix it in source
code.
Any ideas? I was hoping to fix it and *then* file, but Adrian advised me
otherwise.
Best regards,
Nathan Lay
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