[ 447.435046] CPU: 2 PID: 7 Comm: kworker/u8:0 Tainted: G W 5.4.188 #0
[ 447.442677] Hardware name: Bananapi BPI-R3 (DT)
[ 447.447200] Workqueue: bat_events batadv_v_elp_throughput_metric_update [batman_adv]
[ 447.454920] pstate: 80000005 (Nzcv daif -PAN -UAO)
[ 447.459703] pc : airtime_link_metric_get+0x94/0x668 [mac80211]
[ 447.465525] lr : airtime_link_metric_get+0x34/0x668 [mac80211]
[ 447.471336] sp : ffffffc01005bb00
[ 447.474633] x29: ffffffc01005bb00 x28: 0000000000000000
[ 447.479925] x27: ffffff800309b938 x26: 00000000000005d8
[ 447.485216] x25: ffffff8078239080 x24: 0000000000000011
[ 447.490507] x23: ffffff8077620840 x22: ffffff8077620840
[ 447.495798] x21: ffffff807799b580 x20: 0000000000000000
[ 447.501090] x19: ffffff8074ae9000 x18: 0000000000000014
[ 447.506381] x17: 0000000068680f9c x16: 00000000447de6b1
[ 447.511672] x15: 000000005a78cda0 x14: 0000000000000000
[ 447.516964] x13: ffff000000000000 x12: ffffffffffffffff
[ 447.522255] x11: 0000000000000030 x10: 0000000000000000
[ 447.527547] x9 : 0000000000000000 x8 : ffffff807799b800
[ 447.532838] x7 : 0000000000000000 x6 : 000000000000003f
[ 447.538130] x5 : 0000000000000040 x4 : 0000000000000000
[ 447.543421] x3 : 0000000000000000 x2 : 0000000000000000
[ 447.548712] x1 : 0000000000000000 x0 : 0000000000000000
[ 447.554003] Call trace:
[ 447.556444] airtime_link_metric_get+0x94/0x668 [mac80211]
[ 447.561915] sta_set_sinfo+0x998/0xc40 [mac80211]
[ 447.566606] ieee80211_color_change_finish+0x11ec/0x1818 [mac80211]
[ 447.572861] cfg80211_get_station+0x98/0x1d8 [cfg80211]
[ 447.578071] batadv_v_mesh_free+0x384/0x470 [batman_adv]
[ 447.583365] batadv_v_elp_throughput_metric_update+0x1c/0x58 [batman_adv]
[ 447.590135] process_one_work+0x200/0x460
[ 447.594126] worker_thread+0x48/0x4d0
[ 447.597772] kthread+0x124/0x128
[ 447.600985] ret_from_fork+0x10/0x1c
[ 447.601549] ------------[ cut here ]------------[BPI-R3] Mesh mode issues
you should post this as issue to mt76 github with your exact version (openwrt/linux/mt76 driver).
update backports-5.15.33-1 to backports-5.15.92-1 and mt76-2022-09-06 solve this issue.