[FS#3770] 802.11r is broken in current master

[OpenWrt Bugs]

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User who did this - Michael Yartys (huaracheguarache_bugs) 

Attached to Project - OpenWrt/LEDE Project
Summary - 802.11r is broken in current master
Task Type - Bug Report
Category - Base system
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Medium
Priority - Very Low
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - I'm running a master build (up to and including: https://git.openwrt.org/?p=openwrt/openwrt.git;a=commit;h=62a0a8607f2f94f937c17bb7d7f4bff5fbaf15a2) on both of my R7800s. The 2.4 GHz network has 802.11r enabled, and whenever a device tries to roam it fails to connect on the first try. I get the following message in the log of the router which the device tries to roam to: 

daemon.err hostapd: nl80211: kernel reports: key addition failed

I've tested this with my laptop running Fedora, an iPad running iPadOS 14.5 and my Nokia 8.1 running Android 11. They all produce the behavior described above. I've provided the wireless configs of both routers below:

---- Router 1 ----

root at OpenWrt1:~# cat /etc/config/wireless 

config wifi-device 'radio0'
	option type 'mac80211'
	option hwmode '11a'
	option path 'soc/1b500000.pci/pci0000:00/0000:00:00.0/0000:01:00.0'
	option htmode 'VHT20'
	option country 'NO'
	option channel '44'
	option log_level '2'
	option cell_density '0'
	option txpower '22'

config wifi-iface 'default_radio0'
	option device 'radio0'
	option network 'lan'
	option mode 'ap'
	option ssid 'OpenWrt'
	option key '***'
	option encryption 'sae-mixed'
	option ieee80211w '1'

config wifi-device 'radio1'
	option type 'mac80211'
	option channel '6'
	option hwmode '11g'
	option path 'soc/1b700000.pci/pci0001:00/0001:00:00.0/0001:01:00.0'
	option htmode 'HT20'
	option country 'NO'
	option log_level '2'
	option txpower '17'
	option cell_density '0'

config wifi-iface 'default_radio1'
	option device 'radio1'
	option network 'lan'
	option mode 'ap'
	option ieee80211w '1'
	option ssid 'OpenWrt_test'
	option encryption 'psk2+ccmp'
	option key '***'
	option ieee80211r '1'
	option ft_over_ds '0'
	option ft_psk_generate_local '1'


---- Router 2 ----

root at OpenWrt2:~# cat /etc/config/wireless 

config wifi-device 'radio0'
	option type 'mac80211'
	option hwmode '11a'
	option path 'soc/1b500000.pci/pci0000:00/0000:00:00.0/0000:01:00.0'
	option htmode 'VHT20'
	option country 'NO'
	option cell_density '0'
	option channel '40'
	option txpower '21'

config wifi-iface 'default_radio0'
	option device 'radio0'
	option network 'lan'
	option mode 'ap'
	option ssid 'OpenWrt'
	option key '***'
	option encryption 'sae-mixed'
	option ieee80211w '1'

config wifi-device 'radio1'
	option type 'mac80211'
	option hwmode '11g'
	option path 'soc/1b700000.pci/pci0001:00/0001:00:00.0/0001:01:00.0'
	option htmode 'HT20'
	option channel '1'
	option cell_density '0'
	option country 'NO'
	option txpower '13'

config wifi-iface 'default_radio1'
	option device 'radio1'
	option network 'lan'
	option mode 'ap'
	option ieee80211w '1'
	option ssid 'OpenWrt_test'
	option encryption 'psk2+ccmp'
	option key '***'
	option ieee80211r '1'
	option ft_over_ds '0'
	option ft_psk_generate_local '1'


It appears like 802.11r has been broken since at least February 2021 according to this forum post: https://forum.openwrt.org/t/802-11r-broken-in-recent-master-nl80211-attr-sta-vlan-errors/88888

More information can be found at the following URL:
https://bugs.openwrt.org/index.php?do=details&task_id=3770

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