------------[ cut here ]------------ WARNING: CPU: 1 PID: 7244 at net/mac80211/tx.c:4851 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4851 [inline] WARNING: CPU: 1 PID: 7244 at net/mac80211/tx.c:4851 __ieee80211_beacon_get+0x143c/0x1b54 net/mac80211/tx.c:5075 Modules linked in: CPU: 1 PID: 7244 Comm: syz.2.925 Not tainted 5.15.173-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4851 [inline] pc : __ieee80211_beacon_get+0x143c/0x1b54 net/mac80211/tx.c:5075 lr : __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4851 [inline] lr : __ieee80211_beacon_get+0x143c/0x1b54 net/mac80211/tx.c:5075 sp : ffff8000080177e0 x29: ffff8000080179e0 x28: ffff800008017860 x27: ffff0000d71f0dc0 x26: ffff0000e8f7cc80 x25: ffff700001002f0c x24: ffff800008017950 x23: dfff800000000000 x22: ffffffffffffe9e8 x21: 0000000000000000 x20: ffff0000db3f2000 x19: ffff0000e8f7e298 x18: 0000000000000101 x17: 0000000000000000 x16: ffff8000084c42fc x15: 0000000000000007 x14: ffff0000c2299b40 x13: 0000000000ff0100 x12: ffffffffffffffff x11: 0000000000000101 x10: 0000000000000000 x9 : ffff0000c2299b40 x8 : ffff8000114d8a60 x7 : ffff8000114e1d08 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4851 [inline] __ieee80211_beacon_get+0x143c/0x1b54 net/mac80211/tx.c:5075 ieee80211_beacon_get_tim+0xb8/0x840 net/mac80211/tx.c:5194 ieee80211_beacon_get include/net/mac80211.h:4981 [inline] mac80211_hwsim_beacon_tx+0x110/0x7d4 drivers/net/wireless/mac80211_hwsim.c:1812 __iterate_interfaces+0x204/0x484 net/mac80211/util.c:793 ieee80211_iterate_active_interfaces_atomic+0xd4/0x180 net/mac80211/util.c:829 mac80211_hwsim_beacon+0xa0/0x184 drivers/net/wireless/mac80211_hwsim.c:1865 __run_hrtimer kernel/time/hrtimer.c:1688 [inline] __hrtimer_run_queues+0x484/0xca4 kernel/time/hrtimer.c:1752 hrtimer_run_softirq+0x158/0x21c kernel/time/hrtimer.c:1769 handle_softirqs+0x384/0xdbc kernel/softirq.c:558 __do_softirq kernel/softirq.c:592 [inline] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] invoke_softirq kernel/softirq.c:439 [inline] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641 irq_exit+0x14/0x88 kernel/softirq.c:665 handle_domain_irq+0xf4/0x178 kernel/irq/irqdesc.c:711 gic_handle_irq+0x78/0x1c8 drivers/irqchip/irq-gic-v3.c:765 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:899 do_interrupt_handler+0x74/0x94 arch/arm64/kernel/entry-common.c:267 el1_interrupt+0x30/0x58 arch/arm64/kernel/entry-common.c:454 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:470 el1h_64_irq+0x78/0x7c arch/arm64/kernel/entry.S:522 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:122 [inline] lock_page_memcg+0x130/0x244 mm/memcontrol.c:2056 __set_page_dirty_buffers+0x1ac/0x4b4 fs/buffer.c:638 ext4_set_page_dirty+0x1fc/0x2c8 fs/ext4/inode.c:3619 set_page_dirty+0x23c/0x544 mm/page-writeback.c:2631 fault_dirty_shared_page+0xbc/0x334 mm/memory.c:2950 do_shared_fault mm/memory.c:4342 [inline] do_fault mm/memory.c:4394 [inline] handle_pte_fault mm/memory.c:4648 [inline] __handle_mm_fault mm/memory.c:4783 [inline] handle_mm_fault+0x1e9c/0x33a8 mm/memory.c:4881 __do_page_fault arch/arm64/mm/fault.c:505 [inline] do_page_fault+0x700/0xb60 arch/arm64/mm/fault.c:605 do_translation_fault+0xe8/0x138 arch/arm64/mm/fault.c:686 do_mem_abort+0x70/0x1d8 arch/arm64/mm/fault.c:819 el0_da+0x94/0x20c arch/arm64/kernel/entry-common.c:494 el0t_64_sync_handler+0xc0/0xe4 arch/arm64/kernel/entry-common.c:629 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 3657 hardirqs last enabled at (3656): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (3656): [] _raw_spin_unlock_irqrestore+0xac/0x158 kernel/locking/spinlock.c:194 hardirqs last disabled at (3657): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (3576): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (3576): [] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586 softirqs last disabled at (3601): [] __do_softirq kernel/softirq.c:592 [inline] softirqs last disabled at (3601): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (3601): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (3601): [] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641 ---[ end trace fa2638073137d554 ]---