vkms_vblank_simulate: vblank timer overrun
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WARNING: CPU: 1 PID: 11 at net/mac80211/tx.c:4944 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4944 [inline]
WARNING: CPU: 1 PID: 11 at net/mac80211/tx.c:4944 __ieee80211_beacon_get+0x148c/0x19cc net/mac80211/tx.c:5265
Modules linked in:
CPU: 1 PID: 11 Comm: kworker/u4:1 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
Workqueue: events_power_efficient wg_ratelimiter_gc_entries
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+0x148c/0x19cc net/mac80211/tx.c:5265
lr : __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4944 [inline]
lr : __ieee80211_beacon_get+0x148c/0x19cc net/mac80211/tx.c:5265
sp : ffff800008017920
x29: ffff800008017ad0 x28: ffff800008017b3c x27: ffff0000ca151258
x26: ffff0000ddd08ea0 x25: ffff0000d351b600 x24: ffff0000f68a4c80
x23: 0000000000000000 x22: 0000000000000001 x21: ffff700001002f34
x20: ffff0000f68a6790 x19: dfff800000000000 x18: ffff800011abbcc0
x17: 00000000ffff0000 x16: ffff8000082d0e24 x15: 0000000000000000
x14: 0000000000000007 x13: 0000000000ff0100 x12: 0000000000ff0100
x11: ff0080001124d9f0 x10: 0000000000000000 x9 : ffff80001124d9f0
x8 : ffff0000c09ab780 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff80001124c80c
x2 : 000000000000000a x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4944 [inline]
 __ieee80211_beacon_get+0x148c/0x19cc net/mac80211/tx.c:5265
 ieee80211_beacon_get_tim+0x68/0x444 net/mac80211/tx.c:5352
 ieee80211_beacon_get include/net/mac80211.h:5264 [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:1752 [inline]
 __hrtimer_run_queues+0x44c/0xc64 kernel/time/hrtimer.c:1816
 hrtimer_run_softirq+0x160/0x400 kernel/time/hrtimer.c:1833
 handle_softirqs+0x318/0xc6c 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/0x43c 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
 __sanitizer_cov_trace_const_cmp4+0x0/0xb0 kernel/kcov.c:308
 unwind+0x1a8/0x200 arch/arm64/kernel/stacktrace.c:127
 arch_stack_walk+0x198/0x22c arch/arm64/kernel/stacktrace.c:231
 return_address+0x94/0x104 arch/arm64/kernel/return_address.c:42
 get_lock_parent_ip include/linux/ftrace.h:952 [inline]
 preempt_latency_start kernel/sched/core.c:5691 [inline]
 preempt_count_add+0xec/0x31c kernel/sched/core.c:5716
 __raw_spin_lock include/linux/spinlock_api_smp.h:132 [inline]
 _raw_spin_lock+0x20/0x6c kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:351 [inline]
 wg_ratelimiter_gc_entries+0x74/0x3f0 drivers/net/wireguard/ratelimiter.c:63
 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292
 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850
irq event stamp: 1091047
hardirqs last  enabled at (1091046): [<ffff800011a419e4>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (1091046): [<ffff800011a419e4>] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194
hardirqs last disabled at (1091047): [<ffff800011956080>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (1089500): [<ffff80000d504750>] spin_unlock_bh include/linux/spinlock.h:396 [inline]
softirqs last  enabled at (1089500): [<ffff80000d504750>] nsim_dev_trap_report drivers/net/netdevsim/dev.c:820 [inline]
softirqs last  enabled at (1089500): [<ffff80000d504750>] nsim_dev_trap_report_work+0x628/0x984 drivers/net/netdevsim/dev.c:851
softirqs last disabled at (1091017): [<ffff800008020164>] __do_softirq+0x14/0x20 kernel/softirq.c:630
---[ end trace 0000000000000000 ]---
vkms_vblank_simulate: vblank timer overrun