------------[ cut here ]------------
no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0
WARNING: net/mac80211/rate.c:404 at __rate_control_send_low+0x60c/0x8a0, CPU#0: rcu_exp_gp_kthr/19
Modules linked in:
CPU: 0 UID: 0 PID: 19 Comm: rcu_exp_gp_kthr Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__rate_control_send_low+0x638/0x8a0
Code: 7c 24 10 48 8b 44 24 28 42 0f b6 04 28 84 c0 0f 85 c4 01 00 00 41 8b 0f 4c 89 f7 48 8b 74 24 18 44 8b 44 24 24 44 8b 4c 24 0c <67> 48 0f b9 3a e9 46 fe ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f
RSP: 0018:ffffc900000076d8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 000000000000000c RCX: 0000000000000000
RDX: 00000000ffffffff RSI: 0000000000000000 RDI: ffffffff908c2120
RBP: ffff888106fd0f40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 8000000000000100 R12: ffff88811d2b10a8
R13: dffffc0000000000 R14: ffffffff908c2120 R15: ffff888106fd3258
FS:  0000000000000000(0000) GS:ffff88818d6d6000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c364c79 CR3: 0000000110b50000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 rate_control_send_low+0x1a7/0x7b0
 rate_control_get_rate+0x20b/0x5d0
 ieee80211_beacon_get_finish+0x385/0x6c0
 ieee80211_beacon_get_ap+0x19d5/0x20c0
 __ieee80211_beacon_get+0x1250/0x1920
 ieee80211_beacon_get_tim+0xbd/0x2c0
 mac80211_hwsim_beacon_tx+0x378/0x820
 __iterate_interfaces+0x2af/0x5a0
 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180
 mac80211_hwsim_beacon+0xaf/0x240
 __hrtimer_run_queues+0x3bc/0xa10
 hrtimer_run_softirq+0x1e3/0x2e0
 handle_softirqs+0x226/0x860
 __irq_exit_rcu+0xcb/0x220
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:lock_release+0x2e2/0x3c0
Code: f1 11 00 00 00 00 eb b5 e8 db 3b 41 0a f7 c3 00 02 00 00 74 b9 65 48 8b 05 33 47 f1 11 48 3b 44 24 28 75 48 fb 48 83 c4 30 5b <41> 5c 41 5d 41 5e 41 5f 5d e9 50 40 44 0a cc 48 8d 3d 68 05 da 0e
RSP: 0018:ffffc90000187be0 EFLAGS: 00000286
RAX: 2fe466ad3eebc400 RBX: ffffffff8ed62640 RCX: 8000000000000001
RDX: 0000000000000001 RSI: ffffffff8e6fd748 RDI: ffffffff8c6d9480
RBP: ffff88810329a9d8 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000030f74 R12: 0000000000000001
R13: 0000000000000001 R14: ffffffff8ed62658 R15: ffff888103299e00
 _raw_spin_unlock+0x16/0x50
 rcu_exp_sel_wait_wake+0xbec/0x1170
 kthread_worker_fn+0x4eb/0xb20
 kthread+0x38b/0x480
 ret_from_fork+0x514/0xb70
 ret_from_fork_asm+0x1a/0x30
 </TASK>
