------------[ cut here ]------------ WARNING: CPU: 0 PID: 7443 at net/mac80211/tx.c:5024 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5024 [inline] WARNING: CPU: 0 PID: 7443 at net/mac80211/tx.c:5024 __ieee80211_beacon_get+0xf64/0x12c0 net/mac80211/tx.c:5453 Modules linked in: CPU: 0 UID: 0 PID: 7443 Comm: syz.1.170 Not tainted 6.16.0-rc2-syzkaller-g9aa9b43d689e #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5024 [inline] pc : __ieee80211_beacon_get+0xf64/0x12c0 net/mac80211/tx.c:5453 lr : __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5024 [inline] lr : __ieee80211_beacon_get+0xf64/0x12c0 net/mac80211/tx.c:5453 sp : ffff800080007a40 x29: ffff800080007a80 x28: ffffffffffffe3b0 x27: 0000000000000001 x26: 0000000000000041 x25: ffff0000d4852800 x24: 0000000000000000 x23: ffff0000d0d90e40 x22: ffff800080007b00 x21: ffff0000f440e500 x20: dfff800000000000 x19: ffff0000f440e9d0 x18: 0000000000000000 x17: 00000000ffff0000 x16: ffff80008051eb44 x15: ffff700010000f61 x14: 0000000000000000 x13: 0000000000000007 x12: 0000000000ff0100 x11: ffff0000d8325b80 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000d8325b80 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff80008a7facd0 x2 : 000000000000000a x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5024 [inline] (P) __ieee80211_beacon_get+0xf64/0x12c0 net/mac80211/tx.c:5453 (P) ieee80211_beacon_get_tim+0xb8/0x244 net/mac80211/tx.c:5580 ieee80211_beacon_get include/net/mac80211.h:5638 [inline] mac80211_hwsim_beacon_tx+0x314/0x6e0 drivers/net/wireless/virtual/mac80211_hwsim.c:2319 __iterate_interfaces+0x250/0x504 net/mac80211/util.c:761 ieee80211_iterate_active_interfaces_atomic+0xd4/0x180 net/mac80211/util.c:797 mac80211_hwsim_beacon+0xc8/0x1b8 drivers/net/wireless/virtual/mac80211_hwsim.c:2353 __run_hrtimer kernel/time/hrtimer.c:1761 [inline] __hrtimer_run_queues+0x41c/0xb78 kernel/time/hrtimer.c:1825 hrtimer_run_softirq+0x160/0x400 kernel/time/hrtimer.c:1842 handle_softirqs+0x328/0xc88 kernel/softirq.c:579 __do_softirq+0x14/0x20 kernel/softirq.c:613 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81 call_on_irq_stack+0x24/0x30 arch/arm64/kernel/entry.S:891 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:86 invoke_softirq kernel/softirq.c:460 [inline] __irq_exit_rcu+0x1b0/0x478 kernel/softirq.c:680 irq_exit_rcu+0x14/0x84 kernel/softirq.c:696 __el1_irq arch/arm64/kernel/entry-common.c:584 [inline] el1_interrupt+0x38/0x54 arch/arm64/kernel/entry-common.c:598 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:603 el1h_64_irq+0x6c/0x70 arch/arm64/kernel/entry.S:596 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:26 [inline] (P) arch_local_irq_enable arch/arm64/include/asm/irqflags.h:48 [inline] (P) do_notify_resume+0x60/0x1ec arch/arm64/kernel/entry-common.c:133 (P) exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline] el0_interrupt+0xcc/0x1d4 arch/arm64/kernel/entry-common.c:856 __el0_irq_handler_common+0x18/0x24 arch/arm64/kernel/entry-common.c:861 el0t_64_irq_handler+0x10/0x1c arch/arm64/kernel/entry-common.c:866 el0t_64_irq+0x198/0x19c arch/arm64/kernel/entry.S:601 irq event stamp: 76433 hardirqs last enabled at (76432): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (76432): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (76433): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:511 softirqs last enabled at (75230): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (75230): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (76389): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]--- vkms_vblank_simulate: vblank timer overrun