------------[ cut here ]------------
no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0
WARNING: CPU: 1 PID: 0 at net/mac80211/rate.c:398 __rate_control_send_low+0x661/0x780 net/mac80211/rate.c:398
Modules linked in:
CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__rate_control_send_low+0x661/0x780 net/mac80211/rate.c:398
Code: a4 a0 d4 00 00 00 e8 fe df b3 f6 44 8b 44 24 24 45 89 e9 89 d9 48 8b 74 24 08 44 89 e2 48 c7 c7 c0 0a 09 8d e8 20 d7 72 f6 90 <0f> 0b 90 90 e9 26 fd ff ff 48 8b 3c 24 e8 7d 4f 19 f7 e9 fb fc ff
RSP: 0018:ffffc90000590930 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817a02f8
RDX: ffff88801dec2440 RSI: ffffffff817a0305 RDI: 0000000000000001
RBP: ffff88804a260b68 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffff
R13: 0000000000000000 R14: 000000000000000c R15: ffff88804a260b70
FS:  0000000000000000(0000) GS:ffff8880975ba000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000c3ab5bc CR3: 000000004a294000 CR4: 0000000000352ef0
Call Trace:
 <IRQ>
 rate_control_send_low+0x29a/0x820 net/mac80211/rate.c:423
 rate_control_get_rate+0x1be/0x5e0 net/mac80211/rate.c:934
 ieee80211_beacon_get_finish+0x467/0x670 net/mac80211/tx.c:5263
 __ieee80211_beacon_get+0xc56/0x1e40 net/mac80211/tx.c:5566
 ieee80211_beacon_get_tim+0xa6/0x280 net/mac80211/tx.c:5677
 ieee80211_beacon_get include/net/mac80211.h:5663 [inline]
 mac80211_hwsim_beacon_tx+0x4d9/0xa40 drivers/net/wireless/virtual/mac80211_hwsim.c:2319
 __iterate_interfaces+0x2e5/0x650 net/mac80211/util.c:761
 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 net/mac80211/util.c:797
 mac80211_hwsim_beacon+0x105/0x200 drivers/net/wireless/virtual/mac80211_hwsim.c:2353
 __run_hrtimer kernel/time/hrtimer.c:1761 [inline]
 __hrtimer_run_queues+0x202/0xad0 kernel/time/hrtimer.c:1825
 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1842
 handle_softirqs+0x216/0x8e0 kernel/softirq.c:579
 __do_softirq kernel/softirq.c:613 [inline]
 invoke_softirq kernel/softirq.c:453 [inline]
 __irq_exit_rcu+0x109/0x170 kernel/softirq.c:680
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1050
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:finish_task_switch.isra.0+0x22a/0xc10 kernel/sched/core.c:5225
Code: fb 09 00 00 44 8b 05 19 38 23 0f 45 85 c0 0f 85 be 01 00 00 4c 89 e7 e8 a4 f6 ff ff e8 af 4b 3a 00 fb 65 48 8b 1d de bb 4d 12 <48> 8d bb 18 16 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1
RSP: 0018:ffffc9000046fbd8 EFLAGS: 00000202
RAX: 0000000001a8dee5 RBX: ffff88801dec2440 RCX: ffffffff81c2eedf
RDX: 0000000000000000 RSI: ffffffff8de4f5aa RDI: ffffffff8c163780
RBP: ffffc9000046fc20 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff90abaa97 R11: 0000000000000000 R12: ffff88802b33a440
R13: ffff888022454880 R14: ffff88802b23a440 R15: ffff88802b33b2b0
 context_switch kernel/sched/core.c:5360 [inline]
 __schedule+0x1198/0x5de0 kernel/sched/core.c:6961
 schedule_idle+0x5c/0x90 kernel/sched/core.c:7084
 do_idle+0x2b6/0x510 kernel/sched/idle.c:358
 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:428
 start_secondary+0x21d/0x2b0 arch/x86/kernel/smpboot.c:315
 common_startup_64+0x13e/0x148
 </TASK>
----------------
Code disassembly (best guess):
   0:	fb                   	sti
   1:	09 00                	or     %eax,(%rax)
   3:	00 44 8b 05          	add    %al,0x5(%rbx,%rcx,4)
   7:	19 38                	sbb    %edi,(%rax)
   9:	23 0f                	and    (%rdi),%ecx
   b:	45 85 c0             	test   %r8d,%r8d
   e:	0f 85 be 01 00 00    	jne    0x1d2
  14:	4c 89 e7             	mov    %r12,%rdi
  17:	e8 a4 f6 ff ff       	call   0xfffff6c0
  1c:	e8 af 4b 3a 00       	call   0x3a4bd0
  21:	fb                   	sti
  22:	65 48 8b 1d de bb 4d 	mov    %gs:0x124dbbde(%rip),%rbx        # 0x124dbc08
  29:	12
* 2a:	48 8d bb 18 16 00 00 	lea    0x1618(%rbx),%rdi <-- trapping instruction
  31:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  38:	fc ff df
  3b:	48 89 fa             	mov    %rdi,%rdx
  3e:	48                   	rex.W
  3f:	c1                   	.byte 0xc1