------------[ cut here ]------------
no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0xfff with flags 0x40
WARNING: CPU: 0 PID: 3474 at net/mac80211/rate.c:385 __rate_control_send_low+0x635/0x880 net/mac80211/rate.c:380
Modules linked in:
CPU: 0 PID: 3474 Comm: kworker/u4:11 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:__rate_control_send_low+0x635/0x880 net/mac80211/rate.c:380
Code: 30 42 0f b6 04 28 84 c0 0f 85 e6 01 00 00 41 8b 0e 48 c7 c7 80 9c be 8b 48 8b 74 24 10 44 8b 44 24 1c 45 89 e1 e8 eb 14 6a f7 <0f> 0b e9 78 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 03 fa ff
RSP: 0018:ffffc90000007560 EFLAGS: 00010246
RAX: 7784d4ef5df8d700 RBX: 000000000000000c RCX: ffff88802d72bc00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 0000000000000084 R08: ffffc90000007167 R09: 1ffff92000000e2c
R10: dffffc0000000000 R11: fffff52000000e2d R12: 0000000000000040
R13: dffffc0000000000 R14: ffff88805ddab358 R15: ffff888064408ca8
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c246287 CR3: 0000000030c41000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000001000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 rate_control_send_low+0x194/0x790 net/mac80211/rate.c:405
 rate_control_get_rate+0x20b/0x5c0 net/mac80211/rate.c:921
 ieee80211_beacon_get_finish+0x38d/0x6b0 net/mac80211/tx.c:5228
 ieee80211_beacon_get_ap+0x1429/0x1970 net/mac80211/tx.c:5331
 __ieee80211_beacon_get+0x10eb/0x1600 net/mac80211/tx.c:5427
 ieee80211_beacon_get_tim+0xb8/0x560 net/mac80211/tx.c:5569
 ieee80211_beacon_get include/net/mac80211.h:5440 [inline]
 mac80211_hwsim_beacon_tx+0x3c7/0x780 drivers/net/wireless/virtual/mac80211_hwsim.c:2265
 __iterate_interfaces+0x243/0x500 net/mac80211/util.c:766
 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:802
 mac80211_hwsim_beacon+0xbb/0x1b0 drivers/net/wireless/virtual/mac80211_hwsim.c:2295
 __run_hrtimer kernel/time/hrtimer.c:1755 [inline]
 __hrtimer_run_queues+0x51e/0xc40 kernel/time/hrtimer.c:1819
 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1836
 handle_softirqs+0x280/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xc7/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:check_kcov_mode kernel/kcov.c:193 [inline]
RIP: 0010:write_comp_data kernel/kcov.c:245 [inline]
RIP: 0010:__sanitizer_cov_trace_cmp4+0x36/0x90 kernel/kcov.c:287
Code: d0 28 7e 7e 65 8b 0d d1 28 7e 7e 81 e1 00 01 ff 00 74 11 81 f9 00 01 00 00 75 5b 83 ba 1c 16 00 00 00 74 52 8b 8a f8 15 00 00 <83> f9 03 75 47 48 8b 8a 00 16 00 00 44 8b 8a fc 15 00 00 49 c1 e1
RSP: 0018:ffffc9000ce87770 EFLAGS: 00000246
RAX: ffffffff89f0ba1e RBX: 0000000000000007 RCX: 0000000000000000
RDX: ffff88802d72bc00 RSI: 000000000000000a RDI: 00000000000000b4
RBP: 00000000000000b4 R08: ffffffff8e4a8f2f R09: 1ffffffff1c951e5
R10: dffffc0000000000 R11: fffffbfff1c951e6 R12: 000000000000000b
R13: 000000000000000a R14: dffffc0000000000 R15: ffff888068823350
 ieee80211_sta_get_rates+0x3de/0x6b0 net/mac80211/util.c:2318
 ieee80211_update_sta_info net/mac80211/ibss.c:1007 [inline]
 ieee80211_rx_bss_info net/mac80211/ibss.c:1122 [inline]
 ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1613 [inline]
 ieee80211_ibss_rx_queued_mgmt+0x1028/0x2ac0 net/mac80211/ibss.c:1642
 ieee80211_iface_process_skb net/mac80211/iface.c:1643 [inline]
 ieee80211_iface_work+0x717/0xc70 net/mac80211/iface.c:1697
 cfg80211_wiphy_work+0x225/0x260 net/wireless/core.c:437
 process_one_work kernel/workqueue.c:2634 [inline]
 process_scheduled_works+0xa45/0x15b0 kernel/workqueue.c:2711
 worker_thread+0xa55/0xfc0 kernel/workqueue.c:2792
 kthread+0x2fa/0x390 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>
----------------
Code disassembly (best guess):
   0:	d0 28                	shrb   (%rax)
   2:	7e 7e                	jle    0x82
   4:	65 8b 0d d1 28 7e 7e 	mov    %gs:0x7e7e28d1(%rip),%ecx        # 0x7e7e28dc
   b:	81 e1 00 01 ff 00    	and    $0xff0100,%ecx
  11:	74 11                	je     0x24
  13:	81 f9 00 01 00 00    	cmp    $0x100,%ecx
  19:	75 5b                	jne    0x76
  1b:	83 ba 1c 16 00 00 00 	cmpl   $0x0,0x161c(%rdx)
  22:	74 52                	je     0x76
  24:	8b 8a f8 15 00 00    	mov    0x15f8(%rdx),%ecx
* 2a:	83 f9 03             	cmp    $0x3,%ecx <-- trapping instruction
  2d:	75 47                	jne    0x76
  2f:	48 8b 8a 00 16 00 00 	mov    0x1600(%rdx),%rcx
  36:	44 8b 8a fc 15 00 00 	mov    0x15fc(%rdx),%r9d
  3d:	49                   	rex.WB
  3e:	c1                   	.byte 0xc1
  3f:	e1                   	.byte 0xe1