------------[ cut here ]------------ WARNING: CPU: 1 PID: 7349 at net/mac80211/tx.c:5024 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5024 [inline] WARNING: CPU: 1 PID: 7349 at net/mac80211/tx.c:5024 __ieee80211_beacon_get+0xf64/0x12c0 net/mac80211/tx.c:5453 Modules linked in: CPU: 1 UID: 0 PID: 7349 Comm: syz.1.144 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 : ffff800080017a40 x29: ffff800080017a80 x28: ffffffffffffe3b0 x27: 0000000000000001 x26: 0000000000000041 x25: ffff0000f768a800 x24: 0000000000000000 x23: ffff0000d1dc8e40 x22: ffff800080017b00 x21: ffff0000f7b72500 x20: dfff800000000000 x19: ffff0000f7b729d0 x18: 1fffe000337e1476 x17: 00000000ffff0000 x16: ffff80008051eb44 x15: ffff700010002f61 x14: 0000000000000000 x13: 0000000000000007 x12: 0000000000ff0100 x11: ffff0000ccc0db80 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000ccc0db80 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 instrument_atomic_write include/linux/instrumented.h:82 [inline] (P) set_bit include/asm-generic/bitops/instrumented-atomic.h:28 [inline] (P) set_ti_thread_flag include/linux/thread_info.h:97 [inline] (P) arch_enter_lazy_mmu_mode arch/arm64/include/asm/pgtable.h:101 [inline] (P) zap_pte_range mm/memory.c:1726 [inline] (P) zap_pmd_range mm/memory.c:1827 [inline] (P) zap_pud_range mm/memory.c:1856 [inline] (P) zap_p4d_range mm/memory.c:1877 [inline] (P) unmap_page_range+0x8c8/0x3180 mm/memory.c:1898 (P) unmap_single_vma mm/memory.c:1941 [inline] unmap_vmas+0x264/0x3d4 mm/memory.c:1985 exit_mmap+0x1bc/0xabc mm/mmap.c:1284 __mmput+0xec/0x3e4 kernel/fork.c:1121 mmput+0x70/0xac kernel/fork.c:1144 exit_mm+0x13c/0x200 kernel/exit.c:581 do_exit+0x4b4/0x19fc kernel/exit.c:943 do_group_exit+0x194/0x22c kernel/exit.c:1104 get_signal+0x11dc/0x12f8 kernel/signal.c:3034 do_signal+0x274/0x4438 arch/arm64/kernel/signal.c:1615 do_notify_resume+0xac/0x1ec arch/arm64/kernel/entry-common.c:148 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_svc+0xb4/0x17c arch/arm64/kernel/entry-common.c:768 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 irq event stamp: 30333 hardirqs last enabled at (30332): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (30332): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (30333): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:511 softirqs last enabled at (18204): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (18204): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (30289): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]---