------------[ cut here ]------------
WARNING: CPU: 1 PID: 4326 at net/mac80211/tx.c:4944 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4944 [inline]
WARNING: CPU: 1 PID: 4326 at net/mac80211/tx.c:4944 __ieee80211_beacon_get+0xf60/0x12bc net/mac80211/tx.c:5345
Modules linked in:
CPU: 1 PID: 4326 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026
pstate: 42400005 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4944 [inline]
pc : __ieee80211_beacon_get+0xf60/0x12bc net/mac80211/tx.c:5345
lr : __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4944 [inline]
lr : __ieee80211_beacon_get+0xf60/0x12bc net/mac80211/tx.c:5345
sp : ffff800008017a90
x29: ffff800008017ad0 x28: ffffffffffffe520 x27: 0000000000000001
x26: 0000000000000041 x25: ffff0000f459ac00 x24: 0000000000000000
x23: ffff0000f5a78ea0 x22: ffff800008017b3c x21: ffff0000f5aa2228
x20: dfff800000000000 x19: ffff0000f5aa2760 x18: ffff800011b8bf60
x17: 00000000ffff0000 x16: ffff8000082d7ca0 x15: 0000000000000000
x14: 0000000000000007 x13: 0000000000ff0100 x12: 0000000000ff0100
x11: ff0080001130cbdc x10: 0000000000000000 x9 : ffff80001130cbdc
x8 : ffff0000cb3db780 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff80001130bed4
x2 : 000000000000000a x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4944 [inline]
 __ieee80211_beacon_get+0xf60/0x12bc net/mac80211/tx.c:5345
 ieee80211_beacon_get_tim+0x70/0x44c net/mac80211/tx.c:5472
 ieee80211_beacon_get include/net/mac80211.h:5335 [inline]
 mac80211_hwsim_beacon_tx+0x1e8/0x914 drivers/net/wireless/mac80211_hwsim.c:2091
 __iterate_interfaces+0x204/0x484 net/mac80211/util.c:788
 ieee80211_iterate_active_interfaces_atomic+0xd4/0x180 net/mac80211/util.c:824
 mac80211_hwsim_beacon+0xc8/0x1b8 drivers/net/wireless/mac80211_hwsim.c:2147
 __run_hrtimer kernel/time/hrtimer.c:1747 [inline]
 __hrtimer_run_queues+0x438/0xc3c kernel/time/hrtimer.c:1811
 hrtimer_run_softirq+0x160/0x400 kernel/time/hrtimer.c:1828
 handle_softirqs+0x318/0xc60 kernel/softirq.c:596
 __do_softirq+0x14/0x20 kernel/softirq.c:630
 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
 call_on_irq_stack+0x30/0x48 arch/arm64/kernel/entry.S:897
 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:85
 invoke_softirq kernel/softirq.c:477 [inline]
 __irq_exit_rcu+0x23c/0x438 kernel/softirq.c:679
 irq_exit_rcu+0x14/0x84 kernel/softirq.c:691
 __el1_irq arch/arm64/kernel/entry-common.c:472 [inline]
 el1_interrupt+0x38/0x54 arch/arm64/kernel/entry-common.c:486
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:491
 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:581
 arch_local_irq_enable arch/arm64/include/asm/irqflags.h:35 [inline]
 raw_spin_rq_unlock_irq kernel/sched/sched.h:1374 [inline]
 finish_lock_switch+0xb8/0x1c4 kernel/sched/core.c:5004
 finish_task_switch+0x120/0x60c kernel/sched/core.c:5122
 context_switch kernel/sched/core.c:5248 [inline]
 __schedule+0xdd4/0x1b0c kernel/sched/core.c:6562
 schedule+0xc4/0x170 kernel/sched/core.c:6638
 do_notify_resume+0x128/0x2aa4 arch/arm64/kernel/signal.c:1134
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_interrupt+0xc4/0x1b8 arch/arm64/kernel/entry-common.c:719
 __el0_irq_handler_common+0x18/0x24 arch/arm64/kernel/entry-common.c:724
 el0t_64_irq_handler+0x10/0x1c arch/arm64/kernel/entry-common.c:729
 el0t_64_irq+0x18c/0x190 arch/arm64/kernel/entry.S:586
irq event stamp: 479865
hardirqs last  enabled at (479864): [<ffff800011b13a24>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (479864): [<ffff800011b13a24>] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194
hardirqs last disabled at (479865): [<ffff800011a288ec>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (479662): [<ffff800008030954>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (479833): [<ffff800008020164>] __do_softirq+0x14/0x20 kernel/softirq.c:630
---[ end trace 0000000000000000 ]---
vkms_vblank_simulate: vblank timer overrun