------------[ cut here ]------------
WARNING: CPU: 1 PID: 0 at net/mac80211/tx.c:5031 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5031 [inline]
WARNING: CPU: 1 PID: 0 at net/mac80211/tx.c:5031 __ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5442
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 02/12/2026
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5031 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5442
Code: 24 4c 89 e7 e8 2e a7 c1 f7 45 31 f6 4c 8b bc 24 a0 00 00 00 e9 7a fe ff ff e8 09 ee 83 f7 0f 0b e9 f6 f7 ff ff e8 fd ed 83 f7 <0f> 0b e9 48 fb ff ff e8 f1 ed 83 f7 48 c7 c7 00 61 64 8e 4c 89 e6
RSP: 0018:ffffc900001f0a18 EFLAGS: 00010246
RAX: ffffffff8a032e63 RBX: ffffffff8a031c66 RCX: ffff88801b66bc00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88801b66bc00 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff88802dbd63c0
R13: dffffc0000000000 R14: ffff88802dbd68b0 R15: ffff88801be41824
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f929ede9e80 CR3: 000000004e00d000 CR4: 00000000003526e0
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0xbf/0x580 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:1750 [inline]
 __hrtimer_run_queues+0x520/0xc40 kernel/time/hrtimer.c:1814
 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1831
 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+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:default_idle_call+0x91/0xa0 kernel/sched/idle.c:105
Code: e8 04 fe ff ff 48 89 df e8 3c df ff ff e8 c7 ed ff ff e8 a2 f2 ff ff bf ff ff ff ff 89 c6 e8 b6 6d dd f6 e8 91 55 08 f7 fb 5b <c3> 0f 0b eb b5 66 2e 0f 1f 84 00 00 00 00 00 41 56 53 e8 78 f2 ff
RSP: 0018:ffffc90000187df8 EFLAGS: 00000286
RAX: 3f3d611d9f4f4600 RBX: ffff88801b66bc00 RCX: 3f3d611d9f4f4600
RDX: dffffc0000000000 RSI: ffffffff8acac960 RDI: ffffffff8b1c85a0
RBP: ffffc90000187f20 R08: ffffffff8e8aeeef R09: 1ffffffff1d15ddd
R10: dffffc0000000000 R11: fffffbfff1d15dde R12: 1ffff110036cd780
R13: 1ffff92000030fc8 R14: 0000000000000001 R15: dffffc0000000000
 cpuidle_idle_call kernel/sched/idle.c:170 [inline]
 do_idle+0x1f0/0x4e0 kernel/sched/idle.c:282
 cpu_startup_entry+0x43/0x60 kernel/sched/idle.c:380
 start_secondary+0xee/0xf0 arch/x86/kernel/smpboot.c:323
 secondary_startup_64_no_verify+0x179/0x17b
 </TASK>
----------------
Code disassembly (best guess):
   0:	e8 04 fe ff ff       	call   0xfffffe09
   5:	48 89 df             	mov    %rbx,%rdi
   8:	e8 3c df ff ff       	call   0xffffdf49
   d:	e8 c7 ed ff ff       	call   0xffffedd9
  12:	e8 a2 f2 ff ff       	call   0xfffff2b9
  17:	bf ff ff ff ff       	mov    $0xffffffff,%edi
  1c:	89 c6                	mov    %eax,%esi
  1e:	e8 b6 6d dd f6       	call   0xf6dd6dd9
  23:	e8 91 55 08 f7       	call   0xf70855b9
  28:	fb                   	sti
  29:	5b                   	pop    %rbx
* 2a:	c3                   	ret <-- trapping instruction
  2b:	0f 0b                	ud2
  2d:	eb b5                	jmp    0xffffffe4
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00
  39:	41 56                	push   %r14
  3b:	53                   	push   %rbx
  3c:	e8                   	.byte 0xe8
  3d:	78 f2                	js     0x31
  3f:	ff                   	.byte 0xff