------------[ cut here ]------------
no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0
WARNING: net/mac80211/rate.c:401 at __rate_control_send_low+0x610/0x760 net/mac80211/rate.c:401, CPU#3: syz-executor/5933
Modules linked in:
CPU: 3 UID: 0 PID: 5933 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:__rate_control_send_low+0x621/0x760 net/mac80211/rate.c:401
Code: f7 48 8b 44 24 10 8b ac a8 d4 00 00 00 e8 e7 c8 02 f7 48 8d 3d 70 36 e4 05 44 8b 44 24 04 48 8b 74 24 10 45 89 f1 89 d9 89 ea <67> 48 0f b9 3a e9 2f fd ff ff 48 8b 7c 24 08 e8 4b 4c 6f f7 e9 03
RSP: 0018:ffffc900006f8890 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 00000000ffffffff RSI: 0000000000000000 RDI: ffffffff90ea3a10
RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000000c R11: 0000000000000000 R12: ffff888038f9f568
R13: ffff888057b53128 R14: 0000000000000000 R15: dffffc0000000000
FS:  000055558255b500(0000) GS:ffff8880d6642000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055558255b4e8 CR3: 0000000026bc6000 CR4: 0000000000352ef0
Call Trace:
 <IRQ>
 rate_control_send_low+0x2a8/0x7e0 net/mac80211/rate.c:429
 rate_control_get_rate+0x1be/0x5c0 net/mac80211/rate.c:943
 ieee80211_beacon_get_finish+0x45a/0x690 net/mac80211/tx.c:5365
 __ieee80211_beacon_get_ap+0x76e/0x10d0 net/mac80211/tx.c:5468
 ieee80211_beacon_get_ap net/mac80211/tx.c:5530 [inline]
 __ieee80211_beacon_get+0x14fa/0x1ee0 net/mac80211/tx.c:5636
 ieee80211_beacon_get_tim+0xa6/0x280 net/mac80211/tx.c:5778
 ieee80211_beacon_get include/net/mac80211.h:5720 [inline]
 mac80211_hwsim_beacon_tx+0x4d6/0xa00 drivers/net/wireless/virtual/mac80211_hwsim.c:2361
 __iterate_interfaces+0x2e6/0x650 net/mac80211/util.c:760
 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 net/mac80211/util.c:796
 mac80211_hwsim_beacon+0x105/0x1b0 drivers/net/wireless/virtual/mac80211_hwsim.c:2395
 __run_hrtimer kernel/time/hrtimer.c:1785 [inline]
 __hrtimer_run_queues+0x50e/0xa70 kernel/time/hrtimer.c:1849
 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1866
 handle_softirqs+0x1eb/0x9e0 kernel/softirq.c:622
 __do_softirq kernel/softirq.c:656 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0xef/0x150 kernel/softirq.c:723
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:739
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline]
 sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1056
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:rcu_read_lock include/linux/rcupdate.h:851 [inline]
RIP: 0010:class_rcu_constructor include/linux/rcupdate.h:1193 [inline]
RIP: 0010:thread_group_cputime+0x533/0x7a0 kernel/sched/cputime.c:344
Code: 8b b4 24 38 01 00 00 48 89 df e8 e8 0f 05 00 e8 13 e3 30 00 9c 58 f6 c4 02 59 4c 8b 1c 24 0f 85 00 01 00 00 fb e9 52 fc ff ff <e8> 18 68 0d 00 4c 8b 1c 24 84 c0 0f 85 e9 fb ff ff e8 27 25 b0 09
RSP: 0018:ffffc9000308f8a0 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffff88802c4ac980 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81dfe607 RDI: ffffffff8c1b0720
RBP: ffff88802ad1c980 R08: 0000000086db7919 R09: 0000000000000007
R10: 0000000000000200 R11: ffff88803519de40 R12: 1ffff92000611f24
R13: ffffc9000308fb48 R14: ffffc9000308f9f8 R15: dffffc0000000000
 thread_group_cputime_adjusted+0x93/0x110 kernel/sched/cputime.c:644
 wait_task_zombie kernel/exit.c:1234 [inline]
 wait_consider_task+0x2113/0x3e00 kernel/exit.c:1507
 do_wait_thread kernel/exit.c:1570 [inline]
 __do_wait+0x218/0x8b0 kernel/exit.c:1688
 do_wait+0x1ec/0x5a0 kernel/exit.c:1722
 kernel_wait4+0x16d/0x280 kernel/exit.c:1881
 __do_sys_wait4+0x161/0x170 kernel/exit.c:1909
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3c74b5cfce
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007ffd41e29fb8 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
RAX: ffffffffffffffda RBX: 000055558255b500 RCX: 00007f3c74b5cfce
RDX: 0000000040000001 RSI: 00007ffd41e2a05c RDI: ffffffffffffffff
RBP: 00007ffd41e2a05c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000001388
R13: 00000000000927c0 R14: 000000000001329b R15: 00007ffd41e2a0b0
 </TASK>
----------------
Code disassembly (best guess):
   0:	f7 48 8b 44 24 10 8b 	testl  $0x8b102444,-0x75(%rax)
   7:	ac                   	lods   %ds:(%rsi),%al
   8:	a8 d4                	test   $0xd4,%al
   a:	00 00                	add    %al,(%rax)
   c:	00 e8                	add    %ch,%al
   e:	e7 c8                	out    %eax,$0xc8
  10:	02 f7                	add    %bh,%dh
  12:	48 8d 3d 70 36 e4 05 	lea    0x5e43670(%rip),%rdi        # 0x5e43689
  19:	44 8b 44 24 04       	mov    0x4(%rsp),%r8d
  1e:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
  23:	45 89 f1             	mov    %r14d,%r9d
  26:	89 d9                	mov    %ebx,%ecx
  28:	89 ea                	mov    %ebp,%edx
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	e9 2f fd ff ff       	jmp    0xfffffd63
  34:	48 8b 7c 24 08       	mov    0x8(%rsp),%rdi
  39:	e8 4b 4c 6f f7       	call   0xf76f4c89
  3e:	e9                   	.byte 0xe9
  3f:	03                   	.byte 0x3