------------[ cut here ]------------
WARNING: CPU: 0 PID: 0 at net/mac80211/tx.c:5031 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5031 [inline]
WARNING: CPU: 0 PID: 0 at net/mac80211/tx.c:5031 __ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5442
Modules linked in:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.6.102-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
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 fe 37 d5 f7 45 31 f6 4c 8b bc 24 a0 00 00 00 e9 7a fe ff ff e8 89 12 98 f7 0f 0b e9 f6 f7 ff ff e8 7d 12 98 f7 <0f> 0b e9 48 fb ff ff e8 71 12 98 f7 48 c7 c7 c0 00 24 8e 4c 89 e6
vkms_vblank_simulate: vblank timer overrun
RSP: 0018:ffffc90000007a18 EFLAGS: 00010246
RAX: ffffffff89ed78a3 RBX: ffffffff89ed66a6 RCX: ffffffff8ca93380
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff8ca93380 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff88805d74e3c0
R13: dffffc0000000000 R14: ffff88805d74e8b0 R15: ffff888020a59024
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe2cefb1f98 CR3: 000000001af26000 CR4: 00000000003506f0
Call Trace:
 <IRQ>
 ieee80211_beacon_get_tim+0xb8/0x560 net/mac80211/tx.c:5569
 ieee80211_beacon_get include/net/mac80211.h:5438 [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:sched_core_balance+0x150/0xff0 kernel/sched/core.c:6375
Code: 14 03 00 00 48 c7 c2 a0 6b aa 8a e8 6a ee 09 00 e9 29 0e 00 00 48 8b 7c 24 38 e8 fb 2b 19 09 e8 e6 2a 2e 00 fb 4c 8b 74 24 50 <41> 83 fe 08 0f 83 f1 0d 00 00 48 89 5c 24 78 4c 8d 3c dd 30 1a 7d
vkms_vblank_simulate: vblank timer overrun
RSP: 0018:ffffffff8ca07980 EFLAGS: 00000282
RAX: 3988d27bd0947600 RBX: 0000000000000000 RCX: 3988d27bd0947600
RDX: dffffc0000000000 RSI: ffffffff8aaab9c0 RDI: ffffffff8afc66c0
RBP: ffffffff8ca07b08 R08: ffffffff8e4a882f R09: 1ffffffff1c95105
R10: dffffc0000000000 R11: fffffbfff1c95106 R12: ffff8880b8e3c440
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
 do_balance_callbacks kernel/sched/core.c:5023 [inline]
 __balance_callbacks kernel/sched/core.c:5077 [inline]
 finish_lock_switch kernel/sched/core.c:5133 [inline]
 finish_task_switch+0x399/0x920 kernel/sched/core.c:5252
 context_switch kernel/sched/core.c:5383 [inline]
 __schedule+0x14da/0x44d0 kernel/sched/core.c:6699
 schedule_idle+0x4e/0x80 kernel/sched/core.c:6801
 do_idle+0x4ac/0x510 kernel/sched/idle.c:310
 cpu_startup_entry+0x43/0x60 kernel/sched/idle.c:380
 rest_init+0x2e2/0x300 init/main.c:732
 arch_call_rest_init+0xe/0x10 init/main.c:829
 start_kernel+0x459/0x4e0 init/main.c:1074
 x86_64_start_reservations+0x2a/0x30 arch/x86/kernel/head64.c:555
 x86_64_start_kernel+0x60/0x60 arch/x86/kernel/head64.c:536
 secondary_startup_64_no_verify+0x179/0x17b
 </TASK>
----------------
Code disassembly (best guess):
   0:	14 03                	adc    $0x3,%al
   2:	00 00                	add    %al,(%rax)
   4:	48 c7 c2 a0 6b aa 8a 	mov    $0xffffffff8aaa6ba0,%rdx
   b:	e8 6a ee 09 00       	call   0x9ee7a
  10:	e9 29 0e 00 00       	jmp    0xe3e
  15:	48 8b 7c 24 38       	mov    0x38(%rsp),%rdi
  1a:	e8 fb 2b 19 09       	call   0x9192c1a
  1f:	e8 e6 2a 2e 00       	call   0x2e2b0a
  24:	fb                   	sti
  25:	4c 8b 74 24 50       	mov    0x50(%rsp),%r14
* 2a:	41 83 fe 08          	cmp    $0x8,%r14d <-- trapping instruction
  2e:	0f 83 f1 0d 00 00    	jae    0xe25
  34:	48 89 5c 24 78       	mov    %rbx,0x78(%rsp)
  39:	4c                   	rex.WR
  3a:	8d                   	.byte 0x8d
  3b:	3c dd                	cmp    $0xdd,%al
  3d:	30 1a                	xor    %bl,(%rdx)
  3f:	7d                   	.byte 0x7d