------------[ cut here ]------------ WARNING: CPU: 1 PID: 5132 at net/mac80211/tx.c:4944 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4944 [inline] WARNING: CPU: 1 PID: 5132 at net/mac80211/tx.c:4944 __ieee80211_beacon_get+0xf60/0x12bc net/mac80211/tx.c:5345 Modules linked in: CPU: 1 PID: 5132 Comm: syz.3.168 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 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 : ffff800008017a90 x29: ffff800008017ad0 x28: ffffffffffffe4f0 x27: 0000000000000001 x26: 0000000000000041 x25: ffff0000f1f16000 x24: 0000000000000000 x23: ffff0000f5c20ea0 x22: ffff800008017b3c x21: ffff0000f5c82258 x20: dfff800000000000 x19: ffff0000f5c82790 x18: ffff800011b7bf60 x17: 00000000ffff0000 x16: ffff8000082d7e60 x15: 0000000000000000 x14: 0000000000000007 x13: 0000000000ff0100 x12: 0000000000ff0100 x11: ff008000113012b4 x10: 0000000000000000 x9 : ffff8000113012b4 x8 : ffff0000db851bc0 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000113005ac 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+0x434/0xc34 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_restore arch/arm64/include/asm/irqflags.h:122 [inline] folio_memcg_lock+0xf8/0x1f4 mm/memcontrol.c:2113 lock_page_memcg+0x48/0x58 mm/memcontrol.c:2137 page_remove_rmap+0x44/0xe54 mm/rmap.c:1426 zap_pte_range mm/memory.c:1451 [inline] zap_pmd_range mm/memory.c:1572 [inline] zap_pud_range mm/memory.c:1601 [inline] zap_p4d_range mm/memory.c:1622 [inline] unmap_page_range+0xbf0/0x1d8c mm/memory.c:1643 unmap_single_vma mm/memory.c:1689 [inline] unmap_vmas+0x24c/0x374 mm/memory.c:1728 exit_mmap+0x170/0x938 mm/mmap.c:3250 __mmput+0xec/0x394 kernel/fork.c:1205 mmput+0x70/0xa8 kernel/fork.c:1227 exit_mm+0x140/0x220 kernel/exit.c:565 do_exit+0x4d0/0x19b0 kernel/exit.c:867 do_group_exit+0x194/0x22c kernel/exit.c:1022 get_signal+0x11cc/0x1304 kernel/signal.c:2871 do_signal arch/arm64/kernel/signal.c:1081 [inline] do_notify_resume+0x33c/0x2aa4 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_svc+0x98/0x128 arch/arm64/kernel/entry-common.c:638 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 4565 hardirqs last enabled at (4564): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (4564): [] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194 hardirqs last disabled at (4565): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (72): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (72): [] release_sock+0x16c/0x1bc net/core/sock.c:3522 softirqs last disabled at (4497): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]---