------------[ cut here ]------------
no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0
WARNING: CPU: 1 PID: 6075 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: 6075 Comm: kworker/1:5 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
Workqueue: events debugfs_reap_work
RIP: 0010:__rate_control_send_low+0x661/0x780 net/mac80211/rate.c:398
Code: a4 a0 d4 00 00 00 e8 5e 97 b1 f6 44 8b 44 24 24 45 89 e9 89 d9 48 8b 74 24 08 44 89 e2 48 c7 c7 80 02 09 8d e8 60 3a 70 f6 90 <0f> 0b 90 90 e9 26 fd ff ff 48 8b 3c 24 e8 6d f6 17 f7 e9 fb fc ff
RSP: 0018:ffffc900006a0930 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817a4388
RDX: ffff88802665c880 RSI: ffffffff817a4395 RDI: 0000000000000001
RBP: ffff8880319b7a68 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffff
R13: 0000000000000000 R14: 000000000000000c R15: ffff8880319b7a70
FS:  0000000000000000(0000) GS:ffff8880d67b3000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd52045f6f CR3: 0000000048160000 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+0x2e2/0x650 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+0x1ff/0xad0 kernel/time/hrtimer.c:1825
 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1842
 handle_softirqs+0x219/0x8e0 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:lock_acquire+0x62/0x350 kernel/locking/lockdep.c:5872
Code: f6 3e 12 83 f8 07 0f 87 bc 02 00 00 89 c0 48 0f a3 05 22 99 13 0f 0f 82 74 02 00 00 8b 35 da ca 13 0f 85 f6 0f 85 8d 00 00 00 <48> 8b 44 24 30 65 48 2b 05 79 f6 3e 12 0f 85 c7 02 00 00 48 83 c4
RSP: 0018:ffffc90003ed79f0 EFLAGS: 00000206
RAX: 0000000000000046 RBX: ffffffff8e5c15a0 RCX: 000000007657733e
RDX: 0000000000000000 RSI: ffffffff8de2d658 RDI: ffffffff8c163000
RBP: 0000000000000002 R08: 2d0c4f44341cb26c R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
 rcu_read_lock include/linux/rcupdate.h:841 [inline]
 mntput_no_expire+0xa7/0xd30 fs/namespace.c:1401
 mntput+0x6b/0x90 fs/namespace.c:1473
 __simple_recursive_removal+0x158/0x610 fs/libfs.c:631
 debugfs_remove+0x5d/0x80 fs/debugfs/inode.c:799
 debugfs_reap_work+0xc3/0x1f0 lib/ref_tracker.c:508
 process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400
 kthread+0x3c2/0x780 kernel/kthread.c:463
 ret_from_fork+0x56a/0x730 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
----------------
Code disassembly (best guess):
   0:	f6 3e                	idivb  (%rsi)
   2:	12 83 f8 07 0f 87    	adc    -0x78f0f808(%rbx),%al
   8:	bc 02 00 00 89       	mov    $0x89000002,%esp
   d:	c0 48 0f a3          	rorb   $0xa3,0xf(%rax)
  11:	05 22 99 13 0f       	add    $0xf139922,%eax
  16:	0f 82 74 02 00 00    	jb     0x290
  1c:	8b 35 da ca 13 0f    	mov    0xf13cada(%rip),%esi        # 0xf13cafc
  22:	85 f6                	test   %esi,%esi
  24:	0f 85 8d 00 00 00    	jne    0xb7
* 2a:	48 8b 44 24 30       	mov    0x30(%rsp),%rax <-- trapping instruction
  2f:	65 48 2b 05 79 f6 3e 	sub    %gs:0x123ef679(%rip),%rax        # 0x123ef6b0
  36:	12
  37:	0f 85 c7 02 00 00    	jne    0x304
  3d:	48                   	rex.W
  3e:	83                   	.byte 0x83
  3f:	c4                   	.byte 0xc4