------------[ cut here ]------------ WARNING: CPU: 1 PID: 7037 at net/mac80211/tx.c:4961 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4961 [inline] WARNING: CPU: 1 PID: 7037 at net/mac80211/tx.c:4961 __ieee80211_beacon_get+0xf78/0x12fc net/mac80211/tx.c:5362 Modules linked in: CPU: 1 PID: 7037 Comm: syz.4.691 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 pstate: 42400005 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4961 [inline] pc : __ieee80211_beacon_get+0xf78/0x12fc net/mac80211/tx.c:5362 lr : __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4961 [inline] lr : __ieee80211_beacon_get+0xf78/0x12fc net/mac80211/tx.c:5362 sp : ffff800008017ae0 x29: ffff800008017b20 x28: ffff0000cb018e80 x27: ffffffffffffe520 x26: 00000000ffffffff x25: ffff0000f53a4c00 x24: ffff0000d8c83e58 x23: dfff800000000000 x22: ffff800008017b8c x21: ffff0000f6192228 x20: 0000000000000000 x19: ffff0000f6192760 x18: 1fffe00033e7697e x17: 00000000ffff0000 x16: ffff8000082dbd3c x15: 0000000000000000 x14: 0000000000000007 x13: 0000000000ff0100 x12: ffff800017c5d008 x11: ff00800011462380 x10: 0000000000000000 x9 : ffff800011462380 x8 : ffff0000f4991c00 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff80001146165c x2 : 000000000000000a x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4961 [inline] __ieee80211_beacon_get+0xf78/0x12fc net/mac80211/tx.c:5362 ieee80211_beacon_get_tim+0x70/0x44c net/mac80211/tx.c:5489 ieee80211_beacon_get include/net/mac80211.h:5335 [inline] mac80211_hwsim_beacon_tx+0x1e4/0x8fc drivers/net/wireless/mac80211_hwsim.c:2091 __iterate_interfaces+0x200/0x47c net/mac80211/util.c:788 ieee80211_iterate_active_interfaces_atomic+0xd4/0x180 net/mac80211/util.c:824 mac80211_hwsim_beacon+0xc8/0x1b0 drivers/net/wireless/mac80211_hwsim.c:2147 __run_hrtimer kernel/time/hrtimer.c:1751 [inline] __hrtimer_run_queues+0x444/0xc58 kernel/time/hrtimer.c:1815 hrtimer_run_softirq+0x164/0x408 kernel/time/hrtimer.c:1832 handle_softirqs+0x318/0xc90 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/0x430 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+0xb8/0x1c8 kernel/sched/core.c:5005 finish_task_switch+0x120/0x658 kernel/sched/core.c:5123 context_switch kernel/sched/core.c:5249 [inline] __schedule+0xdb8/0x1a6c kernel/sched/core.c:6563 schedule+0xc4/0x170 kernel/sched/core.c:6639 do_notify_resume+0x134/0x2c84 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: 22589 hardirqs last enabled at (22588): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (22588): [] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194 hardirqs last disabled at (22589): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (22302): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (22302): [] handle_softirqs+0xb1c/0xc90 kernel/softirq.c:624 softirqs last disabled at (22551): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]---