------------[ cut here ]------------
WARNING: CPU: 1 PID: 0 at net/mac80211/tx.c:5057 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5057 [inline]
WARNING: CPU: 1 PID: 0 at net/mac80211/tx.c:5057 __ieee80211_beacon_get+0x1141/0x1520 net/mac80211/tx.c:5468
Modules linked in:
CPU: 1 PID: 0 Comm: swapper/1 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5057 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1141/0x1520 net/mac80211/tx.c:5468
Code: f7 4c 89 ef e8 d0 2c b5 f7 45 31 ed 4c 8b bc 24 a0 00 00 00 e9 7f fe ff ff e8 1b e8 76 f7 0f 0b e9 61 f8 ff ff e8 0f e8 76 f7 <0f> 0b e9 85 fb ff ff e8 03 e8 76 f7 48 c7 c7 40 92 45 8f 4c 89 e6
RSP: 0018:ffffc900001f0a18 EFLAGS: 00010246
RAX: ffffffff8a10a8a1 RBX: dffffc0000000000 RCX: ffff88801ce43c00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88801ce43c00 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff88805e07a440
R13: ffff888023550c24 R14: ffff88805e07a930 R15: ffff888023550c00
FS:  0000000000000000(0000) GS:ffff8880b8d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8b1c987340 CR3: 0000000030cb4000 CR4: 00000000003526e0
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0xbf/0x580 net/mac80211/tx.c:5595
 ieee80211_beacon_get include/net/mac80211.h:5443 [inline]
 mac80211_hwsim_beacon_tx+0x3bd/0x770 drivers/net/wireless/virtual/mac80211_hwsim.c:2271
 __iterate_interfaces+0x225/0x4c0 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:2301
 __run_hrtimer kernel/time/hrtimer.c:1754 [inline]
 __hrtimer_run_queues+0x525/0xc10 kernel/time/hrtimer.c:1818
 hrtimer_run_softirq+0x177/0x290 kernel/time/hrtimer.c:1835
 handle_softirqs+0x27d/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xd3/0x190 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:pv_native_safe_halt+0xf/0x10 arch/x86/kernel/paravirt.c:148
Code: 99 17 02 c3 cc cc cc cc cc cc cc f3 0f 1e fa 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 66 90 0f 00 2d 13 39 35 00 fb f4 <c3> 66 0f 1f 00 55 41 57 41 56 41 54 53 50 8b 2f eb 2c 89 cb 80 f9
RSP: 0018:ffffc90000187de0 EFLAGS: 000002c6
RAX: 8776601c06651900 RBX: ffffffff81631e31 RCX: 8776601c06651900
RDX: 0000000000000001 RSI: ffffffff8acacfe0 RDI: ffffffff8b1d5160
RBP: ffffc90000187f20 R08: ffff8880b8d36b6b R09: 1ffff110171a6d6d
R10: dffffc0000000000 R11: ffffed10171a6d6e R12: 1ffff92000030fc8
R13: dffffc0000000000 R14: 1ffff110039c8780 R15: 0000000000000000
 arch_safe_halt arch/x86/include/asm/paravirt.h:108 [inline]
 default_idle+0x13/0x20 arch/x86/kernel/process.c:753
 default_idle_call+0x6c/0xa0 kernel/sched/idle.c:97
 cpuidle_idle_call kernel/sched/idle.c:178 [inline]
 do_idle+0x221/0x5c0 kernel/sched/idle.c:302
 cpu_startup_entry+0x43/0x60 kernel/sched/idle.c:401
 start_secondary+0xee/0xf0 arch/x86/kernel/smpboot.c:323
 secondary_startup_64_no_verify+0x179/0x17b
 </TASK>
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	02 c3                	add    %bl,%al
   2:	cc                   	int3
   3:	cc                   	int3
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	cc                   	int3
   9:	f3 0f 1e fa          	endbr64
   d:	0f 0b                	ud2
   f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  16:	00 00 00
  19:	f3 0f 1e fa          	endbr64
  1d:	66 90                	xchg   %ax,%ax
  1f:	0f 00 2d 13 39 35 00 	verw   0x353913(%rip)        # 0x353939
  26:	fb                   	sti
  27:	f4                   	hlt
* 28:	c3                   	ret <-- trapping instruction
  29:	66 0f 1f 00          	nopw   (%rax)
  2d:	55                   	push   %rbp
  2e:	41 57                	push   %r15
  30:	41 56                	push   %r14
  32:	41 54                	push   %r12
  34:	53                   	push   %rbx
  35:	50                   	push   %rax
  36:	8b 2f                	mov    (%rdi),%ebp
  38:	eb 2c                	jmp    0x66
  3a:	89 cb                	mov    %ecx,%ebx
  3c:	80                   	.byte 0x80
  3d:	f9                   	stc