------------[ 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 net/mac80211/rate.c:399, CPU#1: ksoftirqd/1/23
Modules linked in:
CPU: 1 UID: 0 PID: 23 Comm: ksoftirqd/1 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:__rate_control_send_low+0x638/0x8a0 net/mac80211/rate.c:399
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:ffffc900001d7478 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 000000000000000c RCX: 0000000000000000
RDX: 00000000ffffffff RSI: 0000000000000000 RDI: ffffffff9069a400
RBP: ffff888055ab0f40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000100 R12: ffff8880786bd7a8
R13: dffffc0000000000 R14: ffffffff9069a400 R15: ffff888055ab3258
FS:  0000000000000000(0000) GS:ffff888125058000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000f7f255b8 CR3: 0000000052cba000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 rate_control_send_low+0x1a7/0x7b0 net/mac80211/rate.c:427
 rate_control_get_rate+0x20b/0x5d0 net/mac80211/rate.c:935
 ieee80211_beacon_get_finish+0x385/0x6c0 net/mac80211/tx.c:5514
 ieee80211_beacon_get_ap+0x19d5/0x20c0 net/mac80211/tx.c:-1
 __ieee80211_beacon_get+0x1250/0x1920 net/mac80211/tx.c:5785
 ieee80211_beacon_get_tim+0xbd/0x2c0 net/mac80211/tx.c:5927
 ieee80211_beacon_get include/net/mac80211.h:5890 [inline]
 mac80211_hwsim_beacon_tx+0x378/0x820 drivers/net/wireless/virtual/mac80211_hwsim_main.c:2478
 __iterate_interfaces+0x2af/0x5a0 net/mac80211/util.c:772
 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:808
 mac80211_hwsim_beacon+0xaf/0x240 drivers/net/wireless/virtual/mac80211_hwsim_main.c:2514
 __run_hrtimer kernel/time/hrtimer.c:2032 [inline]
 __hrtimer_run_queues+0x3bc/0xa10 kernel/time/hrtimer.c:2096
 hrtimer_run_softirq+0x17a/0x240 kernel/time/hrtimer.c:2113
 handle_softirqs+0x225/0x840 kernel/softirq.c:622
 run_ksoftirqd+0x36/0x60 kernel/softirq.c:1076
 smpboot_thread_fn+0x57c/0xa80 kernel/smpboot.c:160
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
----------------
Code disassembly (best guess):
   0:	7c 24                	jl     0x26
   2:	10 48 8b             	adc    %cl,-0x75(%rax)
   5:	44 24 28             	rex.R and $0x28,%al
   8:	42 0f b6 04 28       	movzbl (%rax,%r13,1),%eax
   d:	84 c0                	test   %al,%al
   f:	0f 85 c4 01 00 00    	jne    0x1d9
  15:	41 8b 0f             	mov    (%r15),%ecx
  18:	4c 89 f7             	mov    %r14,%rdi
  1b:	48 8b 74 24 18       	mov    0x18(%rsp),%rsi
  20:	44 8b 44 24 24       	mov    0x24(%rsp),%r8d
  25:	44 8b 4c 24 0c       	mov    0xc(%rsp),%r9d
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	e9 46 fe ff ff       	jmp    0xfffffe7a
  34:	44 89 f1             	mov    %r14d,%ecx
  37:	80 e1 07             	and    $0x7,%cl
  3a:	80 c1 03             	add    $0x3,%cl
  3d:	38 c1                	cmp    %al,%cl
  3f:	0f                   	.byte 0xf