------------[ cut here ]------------
WARNING: CPU: 1 PID: 52 at net/mac80211/tx.c:4944 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4944 [inline]
WARNING: CPU: 1 PID: 52 at net/mac80211/tx.c:4944 __ieee80211_beacon_get+0x1952/0x1f50 net/mac80211/tx.c:5265
Modules linked in:
CPU: 1 PID: 52 Comm: kworker/1:1H Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Workqueue: events_highpri snd_vmidi_output_work
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4944 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1952/0x1f50 net/mac80211/tx.c:5265
Code: ff ff ff e8 30 36 e4 f7 0f 0b 48 8b 7c 24 20 e8 d4 a4 7f fe e9 dd e9 ff ff e8 1a 36 e4 f7 0f 0b e9 f1 ee ff ff e8 0e 36 e4 f7 <0f> 0b e9 61 f2 ff ff e8 02 36 e4 f7 48 c7 c7 f0 7e fa 8d 4c 89 f6
RSP: 0018:ffffc900001e08a0 EFLAGS: 00010246
RAX: ffffffff899c9a82 RBX: 0000000000000000 RCX: ffff88801dac3b80
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900001e0aa8 R08: ffff88801dac3b80 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: 1ffff9200003c12c
R13: dffffc0000000000 R14: ffff88802e91e258 R15: ffff88802de06200
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001000 CR3: 00000000584fe000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0x5b/0x4d0 net/mac80211/tx.c:5352
 ieee80211_beacon_get include/net/mac80211.h:5264 [inline]
 mac80211_hwsim_beacon_tx+0x21c/0xae0 drivers/net/wireless/mac80211_hwsim.c:2091
 __iterate_interfaces+0x243/0x500 net/mac80211/util.c:788
 ieee80211_iterate_active_interfaces_atomic+0xd7/0x170 net/mac80211/util.c:824
 mac80211_hwsim_beacon+0xb7/0x1b0 drivers/net/wireless/mac80211_hwsim.c:2147
 __run_hrtimer kernel/time/hrtimer.c:1752 [inline]
 __hrtimer_run_queues+0x554/0xd60 kernel/time/hrtimer.c:1816
 hrtimer_run_softirq+0x183/0x2a0 kernel/time/hrtimer.c:1833
 handle_softirqs+0x2a1/0x920 kernel/softirq.c:596
 __do_softirq kernel/softirq.c:630 [inline]
 invoke_softirq kernel/softirq.c:470 [inline]
 __irq_exit_rcu+0x12f/0x220 kernel/softirq.c:679
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:finish_task_switch+0x26a/0x8f0 kernel/sched/core.c:5123
Code: 0f 84 3b 01 00 00 48 85 db 0f 85 5a 01 00 00 e9 e8 04 00 00 4c 8b 75 d0 4c 89 e7 e8 70 e0 c8 08 e8 2b b3 2e 00 fb 4c 8b 65 c0 <49> 8d bc 24 f8 15 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0
RSP: 0018:ffffc90000bd7778 EFLAGS: 00000286
RAX: 4b72e74b58251000 RBX: 0000000000000000 RCX: 4b72e74b58251000
RDX: dffffc0000000000 RSI: ffffffff8a8c0500 RDI: ffffffff8adefca0
RBP: ffffc90000bd77d0 R08: dffffc0000000000 R09: fffffbfff215c46b
R10: fffffbfff215c46b R11: 1ffffffff215c46a R12: ffff88801dac3b80
R13: dffffc0000000000 R14: ffff8880260a3b80 R15: ffff8880b8f3b590
 context_switch kernel/sched/core.c:5247 [inline]
 __schedule+0x10f4/0x40b0 kernel/sched/core.c:6561
 preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:6730
 preempt_schedule+0xa7/0xb0 kernel/sched/core.c:6754
 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:34
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
 _raw_spin_unlock_irqrestore+0xf6/0x100 kernel/locking/spinlock.c:194
 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
 snd_rawmidi_transmit+0x98/0xc0 sound/core/rawmidi.c:1478
 snd_vmidi_output_work+0x1a0/0x400 sound/core/seq/seq_virmidi.c:151
 process_one_work+0x898/0x1160 kernel/workqueue.c:2292
 worker_thread+0xaa2/0x1250 kernel/workqueue.c:2439
 kthread+0x29d/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
----------------
Code disassembly (best guess):
   0:	0f 84 3b 01 00 00    	je     0x141
   6:	48 85 db             	test   %rbx,%rbx
   9:	0f 85 5a 01 00 00    	jne    0x169
   f:	e9 e8 04 00 00       	jmp    0x4fc
  14:	4c 8b 75 d0          	mov    -0x30(%rbp),%r14
  18:	4c 89 e7             	mov    %r12,%rdi
  1b:	e8 70 e0 c8 08       	call   0x8c8e090
  20:	e8 2b b3 2e 00       	call   0x2eb350
  25:	fb                   	sti
  26:	4c 8b 65 c0          	mov    -0x40(%rbp),%r12
* 2a:	49 8d bc 24 f8 15 00 	lea    0x15f8(%r12),%rdi <-- trapping instruction
  31:	00
  32:	48 89 f8             	mov    %rdi,%rax
  35:	48 c1 e8 03          	shr    $0x3,%rax
  39:	42 0f b6 04 28       	movzbl (%rax,%r13,1),%eax
  3e:	84 c0                	test   %al,%al