------------[ cut here ]------------ lockdep bfs error:-1 WARNING: CPU: 1 PID: 1979 at kernel/locking/lockdep.c:2022 print_bfs_bug+0x34/0x48 kernel/locking/lockdep.c:2022 Modules linked in: CPU: 1 PID: 1979 Comm: kworker/1:3 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 Workqueue: wg-crypt-wg0 wg_packet_tx_worker pstate: 624000c5 (nZCv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : print_bfs_bug+0x34/0x48 kernel/locking/lockdep.c:2022 lr : print_bfs_bug+0x34/0x48 kernel/locking/lockdep.c:2022 sp : ffff800024c86620 x29: ffff800024c86620 x28: dfff800000000000 x27: ffff0000ce032680 x26: 0000000000000009 x25: 1ffff00002f0d23d x24: 00000000000003dd x23: ffff8000178691d8 x22: 000000000000001a x21: 0000000000000144 x20: 0000000000000001 x19: 00000000ffffffff x18: 0000000000000307 x17: 0000000000000000 x16: ffff800011169180 x15: 00000000ffffffff x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 x11: 0000000000000306 x10: 0000000000000000 x9 : 44406264d3acfa00 x8 : 44406264d3acfa00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800024c85f18 x4 : ffff8000141ff5a0 x3 : ffff8000085043fc x2 : 0000000000000001 x1 : 0000000100000306 x0 : 0000000000000014 Call trace: print_bfs_bug+0x34/0x48 kernel/locking/lockdep.c:2022 check_irq_usage kernel/locking/lockdep.c:-1 [inline] check_prev_add kernel/locking/lockdep.c:3057 [inline] check_prevs_add kernel/locking/lockdep.c:3172 [inline] validate_chain kernel/locking/lockdep.c:3788 [inline] __lock_acquire+0x4ca4/0x651c kernel/locking/lockdep.c:5012 lock_acquire+0x1f4/0x620 kernel/locking/lockdep.c:5623 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0xb0/0x10c kernel/locking/spinlock.c:154 update_cfs_rq_load_avg kernel/sched/fair.c:3715 [inline] update_load_avg+0x178/0xfa0 kernel/sched/fair.c:3870 enqueue_entity+0x128/0x15e4 kernel/sched/fair.c:4487 enqueue_task_fair+0x198/0xb54 kernel/sched/fair.c:5824 enqueue_task kernel/sched/core.c:1996 [inline] activate_task+0x138/0x244 kernel/sched/core.c:2024 ttwu_do_activate+0x158/0x220 kernel/sched/core.c:3633 ttwu_queue kernel/sched/core.c:3842 [inline] try_to_wake_up+0x384/0xa64 kernel/sched/core.c:4165 wake_up_process+0x18/0x24 kernel/sched/core.c:4234 wake_up_worker kernel/workqueue.c:859 [inline] insert_work+0x2b4/0x388 kernel/workqueue.c:1381 __queue_work+0xb30/0x1054 kernel/workqueue.c:1532 queue_work_on+0xc4/0x17c kernel/workqueue.c:1559 wg_queue_enqueue_per_device_and_peer drivers/net/wireguard/queueing.h:178 [inline] wg_packet_consume_data drivers/net/wireguard/receive.c:533 [inline] wg_packet_receive+0x1194/0x1ab8 drivers/net/wireguard/receive.c:583 wg_receive+0x74/0xa8 drivers/net/wireguard/socket.c:326 udpv6_queue_rcv_one_skb+0x12ec/0x14bc net/ipv6/udp.c:730 udpv6_queue_rcv_skb+0x4d0/0x688 net/ipv6/udp.c:788 udp6_unicast_rcv_skb+0x198/0x290 net/ipv6/udp.c:931 __udp6_lib_rcv+0xa00/0x1038 net/ipv6/udp.c:1016 udpv6_rcv+0x2c/0x3c net/ipv6/udp.c:1124 ip6_protocol_deliver_rcu+0x8f4/0x113c net/ipv6/ip6_input.c:425 ip6_input_finish+0xc8/0x174 net/ipv6/ip6_input.c:466 NF_HOOK+0x2c0/0x354 include/linux/netfilter.h:302 ip6_input+0x90/0xa8 net/ipv6/ip6_input.c:475 dst_input include/net/dst.h:462 [inline] ip6_rcv_finish+0x1fc/0x234 net/ipv6/ip6_input.c:79 NF_HOOK+0x2c0/0x354 include/linux/netfilter.h:302 ipv6_rcv+0x9c/0xbc net/ipv6/ip6_input.c:300 __netif_receive_skb_one_core net/core/dev.c:5525 [inline] __netif_receive_skb+0xcc/0x2ac net/core/dev.c:5639 process_backlog+0x3c8/0x744 net/core/dev.c:6516 __napi_poll+0xb4/0x5dc net/core/dev.c:7075 napi_poll net/core/dev.c:7142 [inline] net_rx_action+0x468/0xa08 net/core/dev.c:7232 handle_softirqs+0x344/0xbf0 kernel/softirq.c:576 __do_softirq kernel/softirq.c:610 [inline] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] do_softirq+0xfc/0x1b0 kernel/softirq.c:477 __local_bh_enable_ip+0x250/0x380 kernel/softirq.c:401 __raw_read_unlock_bh include/linux/rwlock_api_smp.h:251 [inline] _raw_read_unlock_bh+0xec/0x174 kernel/locking/spinlock.c:284 wg_socket_send_skb_to_peer+0x154/0x1a4 drivers/net/wireguard/socket.c:184 wg_packet_create_data_done drivers/net/wireguard/send.c:251 [inline] wg_packet_tx_worker+0x19c/0x6c4 drivers/net/wireguard/send.c:276 process_one_work+0x79c/0x1140 kernel/workqueue.c:2310 worker_thread+0x8f4/0x101c kernel/workqueue.c:2457 kthread+0x374/0x454 kernel/kthread.c:334 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:856 irq event stamp: 203481 hardirqs last enabled at (203480): [] __local_bh_enable_ip+0x1f8/0x380 kernel/softirq.c:406 hardirqs last disabled at (203481): [] queue_work_on+0x7c/0x17c kernel/workqueue.c:1556 softirqs last enabled at (203460): [] wg_socket_send_skb_to_peer+0x154/0x1a4 drivers/net/wireguard/socket.c:184 softirqs last disabled at (203461): [] __do_softirq kernel/softirq.c:610 [inline] softirqs last disabled at (203461): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (203461): [] do_softirq+0xfc/0x1b0 kernel/softirq.c:477 ---[ end trace 5efc907181fc0616 ]---