------------[ cut here ]------------
no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0
WARNING: net/mac80211/rate.c:406 at __rate_control_send_low+0x524/0x800, CPU#0: kworker/u9:26/11649
Modules linked in:
CPU: 0 UID: 0 PID: 11649 Comm: kworker/u9:26 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Workqueue: events_unbound linkwatch_event
RIP: 0010:__rate_control_send_low+0x5bb/0x800
Code: ff 4c 8b 7c 24 08 48 8b 44 24 38 0f b6 04 28 84 c0 0f 85 d3 01 00 00 41 8b 0f 4c 89 f7 48 8b 74 24 18 44 8b 44 24 2c 45 89 e9 <67> 48 0f b9 3a 4c 8b 74 24 30 e9 81 fe ff ff 44 89 f9 80 e1 07 80
RSP: 0018:ffffc900000078f8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 000000000000000c RCX: 0000000000000000
RDX: 00000000ffffffff RSI: 0000000000000000 RDI: ffffffff904194f0
RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000100 R12: ffff888113840c28
R13: 0000000000000000 R14: ffffffff904194f0 R15: ffff8881a60831f8
FS:  0000000000000000(0000) GS:ffff88818dc9f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0b87f88200 CR3: 0000000194d20000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 rate_control_send_low+0x1a7/0x7b0
 rate_control_get_rate+0x20b/0x5d0
 ieee80211_beacon_get_finish+0x3af/0x6f0
 __ieee80211_beacon_get+0xd3d/0x1880
 ieee80211_beacon_get_tim+0xbd/0x2c0
 mac80211_hwsim_beacon_tx+0x3c5/0x870
 __iterate_interfaces+0x2ab/0x590
 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180
 mac80211_hwsim_beacon+0xbb/0x180
 __hrtimer_run_queues+0x3c0/0xa20
 hrtimer_run_softirq+0x17a/0x240
 handle_softirqs+0x22a/0x840
 do_softirq+0x76/0xd0
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0xf8/0x130
 dev_mc_add+0xd0/0x120
 igmp6_group_added+0x234/0x820
 ipv6_mc_up+0x31f/0x580
 ipv6_find_idev+0x10a/0x1c0
 addrconf_init_auto_addrs+0x3fc/0xa50
 addrconf_notify+0xb1e/0x1050
 notifier_call_chain+0x1ad/0x3d0
 netif_state_change+0x27d/0x3a0
 __linkwatch_run_queue+0x572/0x840
 linkwatch_event+0x4c/0x60
 process_scheduled_works+0xb5d/0x1860
 worker_thread+0xa53/0xfc0
 kthread+0x389/0x470
 ret_from_fork+0x514/0xb70
 ret_from_fork_asm+0x1a/0x30
 </TASK>
