------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at net/mac80211/tx.c:4944 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4944 [inline] WARNING: CPU: 0 PID: 0 at net/mac80211/tx.c:4944 __ieee80211_beacon_get+0xf60/0x12bc net/mac80211/tx.c:5345 Modules linked in: CPU: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 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 : ffff800008007a90 x29: ffff800008007ad0 x28: ffffffffffffe520 x27: 0000000000000001 x26: 0000000000000041 x25: ffff0000cfd29c00 x24: 0000000000000000 x23: ffff0000d9bf8e80 x22: ffff800008007b3c x21: ffff0000f639e228 x20: dfff800000000000 x19: ffff0000f639e760 x18: ffff800011b9bf60 x17: 00000000ffff0000 x16: ffff8000082d7db8 x15: 0000000000000000 x14: 0000000000000007 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff0080001131b664 x10: 0000000000000000 x9 : ffff80001131b664 x8 : ffff8000152446c0 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff80001131a95c 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+0xc/0x18 arch/arm64/include/asm/irqflags.h:35 default_idle_call+0x68/0xd8 kernel/sched/idle.c:109 cpuidle_idle_call kernel/sched/idle.c:199 [inline] do_idle+0x35c/0x600 kernel/sched/idle.c:323 cpu_startup_entry+0x5c/0x74 kernel/sched/idle.c:422 rest_init+0x2d4/0x2f0 init/main.c:745 start_kernel+0x0/0x538 init/main.c:905 start_kernel+0x48c/0x538 init/main.c:1152 __primary_switched+0xb8/0xc0 arch/arm64/kernel/head.S:468 irq event stamp: 1201773 hardirqs last enabled at (1201772): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (1201772): [] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194 hardirqs last disabled at (1201773): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (1201654): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (1201654): [] handle_softirqs+0xaec/0xc60 kernel/softirq.c:624 softirqs last disabled at (1201679): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]---