------------[ cut here ]------------ WARNING: CPU: 1 PID: 4218 at net/mac80211/tx.c:4851 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4851 [inline] WARNING: CPU: 1 PID: 4218 at net/mac80211/tx.c:4851 __ieee80211_beacon_get+0x143c/0x1b54 net/mac80211/tx.c:5075 Modules linked in: CPU: 1 PID: 4218 Comm: kworker/u4:9 Not tainted 5.15.169-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: phy3 ieee80211_csa_finalize_work 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 : ffff8000209c7040 x29: ffff8000209c7240 x28: ffff8000209c70c0 x27: ffff0000dc158dc0 x26: ffff0000e6ed0c80 x25: ffff700004138e18 x24: ffff8000209c71b0 x23: dfff800000000000 x22: ffffffffffffe9e8 x21: 0000000000000000 x20: ffff0000cf0a0e00 x19: ffff0000e6ed2298 x18: 0000000000000101 x17: 0000000000000000 x16: ffff8000084c5304 x15: 0000000000000007 x14: ffff0000c9219b40 x13: 0000000000ff0100 x12: ffffffffffffffff x11: 0000000000000101 x10: 0000000000000000 x9 : ffff0000c9219b40 x8 : ffff8000114d8abc x7 : ffff8000114e1d64 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] do_softirq+0xfc/0x1b0 kernel/softirq.c:459 __local_bh_enable_ip+0x298/0x470 kernel/softirq.c:383 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:176 [inline] _raw_spin_unlock_bh+0xf8/0x180 kernel/locking/spinlock.c:210 spin_unlock_bh include/linux/spinlock.h:408 [inline] ieee80211_check_fast_xmit+0x380/0x108c net/mac80211/tx.c:3163 ieee80211_check_fast_xmit_iface+0x18c/0x270 net/mac80211/tx.c:3187 ieee80211_vif_use_reserved_switch+0x12c0/0x231c net/mac80211/chan.c:1521 ieee80211_vif_use_reserved_context+0x2d4/0x50c net/mac80211/chan.c:1768 __ieee80211_csa_finalize net/mac80211/cfg.c:3234 [inline] ieee80211_csa_finalize+0x3b0/0xd70 net/mac80211/cfg.c:3266 ieee80211_csa_finalize_work+0xec/0x134 net/mac80211/cfg.c:3291 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: 200409 hardirqs last enabled at (200408): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (200408): [] _raw_spin_unlock_irqrestore+0xac/0x158 kernel/locking/spinlock.c:194 hardirqs last disabled at (200409): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (200404): [] spin_unlock_bh include/linux/spinlock.h:408 [inline] softirqs last enabled at (200404): [] ieee80211_check_fast_xmit+0x380/0x108c net/mac80211/tx.c:3163 softirqs last disabled at (200405): [] __do_softirq kernel/softirq.c:592 [inline] softirqs last disabled at (200405): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (200405): [] do_softirq+0xfc/0x1b0 kernel/softirq.c:459 ---[ end trace f53b38d19ea1352f ]--- vkms_vblank_simulate: vblank timer overrun