------------[ cut here ]------------ WARNING: CPU: 1 PID: 4208 at net/mac80211/tx.c:4851 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4851 [inline] WARNING: CPU: 1 PID: 4208 at net/mac80211/tx.c:4851 __ieee80211_beacon_get+0x143c/0x1b54 net/mac80211/tx.c:5075 Modules linked in: CPU: 1 PID: 4208 Comm: kworker/u4:10 Not tainted 5.15.156-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: events_unbound call_usermodehelper_exec_work pstate: 00401005 (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: ffff0000d67e8dc0 x26: ffff0000e9848c80 x25: ffff700001002f0c x24: ffff800008017950 x23: dfff800000000000 x22: ffffffffffffe9e8 x21: 0000000000000000 x20: ffff0000dba27600 x19: ffff0000e984a298 x18: 0000000000000101 x17: 0000000000000000 x16: ffff8000084c4340 x15: 0000000000000007 x14: ffff0000cd238000 x13: 0000000000ff0100 x12: ffffffffffffffff x11: 0000000000000101 x10: 0000000000000000 x9 : ffff0000cd238000 x8 : ffff8000113bccb0 x7 : ffff8000113c5f58 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:1686 [inline] __hrtimer_run_queues+0x484/0xca4 kernel/time/hrtimer.c:1750 hrtimer_run_softirq+0x158/0x21c kernel/time/hrtimer.c:1767 __do_softirq+0x344/0xdb0 kernel/softirq.c:558 do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] invoke_softirq kernel/softirq.c:439 [inline] __irq_exit_rcu+0x264/0x4d4 kernel/softirq.c:637 irq_exit+0x14/0x88 kernel/softirq.c:661 handle_domain_irq+0xf4/0x178 kernel/irq/irqdesc.c:710 gic_handle_irq+0x78/0x1c8 drivers/irqchip/irq-gic-v3.c:758 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:580 arch_local_irq_enable arch/arm64/include/asm/irqflags.h:35 [inline] __raw_write_unlock_irq include/linux/rwlock_api_smp.h:267 [inline] _raw_write_unlock_irq+0xa4/0x134 kernel/locking/spinlock.c:348 release_task+0x153c/0x1748 kernel/exit.c:267 wait_task_zombie kernel/exit.c:1179 [inline] wait_consider_task+0x16d8/0x2978 kernel/exit.c:1406 do_wait_pid kernel/exit.c:1537 [inline] do_wait+0x5c4/0xac8 kernel/exit.c:1579 kernel_wait+0xe0/0x20c kernel/exit.c:1766 call_usermodehelper_exec_sync kernel/umh.c:139 [inline] call_usermodehelper_exec_work+0xd0/0x248 kernel/umh.c:166 process_one_work+0x790/0x11b8 kernel/workqueue.c:2310 worker_thread+0x910/0x1034 kernel/workqueue.c:2457 kthread+0x37c/0x45c kernel/kthread.c:334 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 257 hardirqs last enabled at (256): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (256): [] _raw_spin_unlock_irqrestore+0xac/0x158 kernel/locking/spinlock.c:194 hardirqs last disabled at (257): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (0): [] copy_process+0x12c4/0x3750 kernel/fork.c:2151 softirqs last disabled at (191): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (191): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (191): [] __irq_exit_rcu+0x264/0x4d4 kernel/softirq.c:637 ---[ end trace 5dc0a883b3426f1c ]--- TCP: request_sock_subflow_v4: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters.