------------[ cut here ]------------ WARNING: CPU: 1 PID: 21 at net/mac80211/tx.c:4934 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4934 [inline] WARNING: CPU: 1 PID: 21 at net/mac80211/tx.c:4934 __ieee80211_beacon_get+0x1520/0x1aac net/mac80211/tx.c:5255 Modules linked in: CPU: 1 PID: 21 Comm: ksoftirqd/1 Not tainted 6.1.118-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4934 [inline] pc : __ieee80211_beacon_get+0x1520/0x1aac net/mac80211/tx.c:5255 lr : __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4934 [inline] lr : __ieee80211_beacon_get+0x1520/0x1aac net/mac80211/tx.c:5255 sp : ffff80001d1e7680 x29: ffff80001d1e7840 x28: ffff700003a3cee4 x27: ffff0000d0f03400 x26: ffff0000ce9f0ea0 x25: ffff0000f50f6258 x24: ffff80001d1e78e0 x23: ffff0000ca0b5e58 x22: ffff0000f50f4c80 x21: 0000000000000000 x20: ffff0000f50f6790 x19: dfff800000000000 x18: 1fffe0003679f176 x17: 00000000ffff0000 x16: ffff8000084f280c x15: 0000000000000000 x14: 0000000000000007 x13: ffff0000c0a51bc0 x12: 0000000000ff0100 x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff800011be5680 x8 : ffff0000c0a51bc0 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff800011be4418 x2 : 000000000000000a x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4934 [inline] __ieee80211_beacon_get+0x1520/0x1aac net/mac80211/tx.c:5255 ieee80211_beacon_get_tim+0xb4/0x4ec net/mac80211/tx.c:5342 ieee80211_beacon_get include/net/mac80211.h:5249 [inline] mac80211_hwsim_beacon_tx+0x1fc/0x94c drivers/net/wireless/mac80211_hwsim.c:2086 __iterate_interfaces+0x204/0x484 net/mac80211/util.c:788 ieee80211_iterate_active_interfaces_atomic+0xd4/0x180 net/mac80211/util.c:824 mac80211_hwsim_beacon+0xcc/0x1c8 drivers/net/wireless/mac80211_hwsim.c:2142 __run_hrtimer kernel/time/hrtimer.c:1689 [inline] __hrtimer_run_queues+0x4b0/0xdc0 kernel/time/hrtimer.c:1753 hrtimer_run_softirq+0x158/0x21c kernel/time/hrtimer.c:1770 handle_softirqs+0x318/0xd58 kernel/softirq.c:571 run_ksoftirqd+0x6c/0x29c kernel/softirq.c:938 smpboot_thread_fn+0x4b0/0x96c kernel/smpboot.c:164 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864 irq event stamp: 418379 hardirqs last enabled at (418378): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (418378): [] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194 hardirqs last disabled at (418379): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (416644): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (416644): [] handle_softirqs+0xb84/0xd58 kernel/softirq.c:599 softirqs last disabled at (416649): [] run_ksoftirqd+0x6c/0x29c kernel/softirq.c:938 ---[ end trace 0000000000000000 ]--- vkms_vblank_simulate: vblank timer overrun