------------[ cut here ]------------ lockdep bfs error:-1 WARNING: CPU: 1 PID: 12319 at kernel/locking/lockdep.c:2022 print_bfs_bug+0x34/0x48 kernel/locking/lockdep.c:2022 Modules linked in: CPU: 1 PID: 12319 Comm: syz-executor.0 Not tainted 5.15.184-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 pstate: 604000c5 (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 : ffff80001f5a66a0 x29: ffff80001f5a66a0 x28: dfff800000000000 x27: ffff0000cca84120 x26: 0000000000000005 x25: 1ffff00002f20019 x24: 00000000000003dd x23: ffff8000179000b8 x22: 000000000000001b x21: 0000000000000144 x20: 0000000000000001 x19: 00000000ffffffff x18: 0000000000000004 x17: 0000000000000000 x16: ffff8000111a5644 x15: 00000000ffffffff x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100 x11: 0000000000000003 x10: 0000000000000000 x9 : 2e27fb853794f700 x8 : 2e27fb853794f700 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f5a5f98 x4 : ffff80001422f280 x3 : ffff80000850383c x2 : 0000000000000001 x1 : 0000000000000003 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 put_prev_entity+0x1e0/0x478 kernel/sched/fair.c:4774 pick_next_task_fair+0x2e8/0x740 kernel/sched/fair.c:7571 __pick_next_task kernel/sched/core.c:5650 [inline] pick_next_task kernel/sched/core.c:6192 [inline] __schedule+0x688/0x1c0c kernel/sched/core.c:6340 preempt_schedule_common+0x138/0x218 kernel/sched/core.c:6552 preempt_schedule+0x64/0x84 kernel/sched/core.c:6577 __slab_alloc+0xa0/0xc0 mm/slub.c:3097 slab_alloc_node mm/slub.c:3186 [inline] __kmalloc_node_track_caller+0x288/0x3bc mm/slub.c:4958 kmalloc_reserve+0xe4/0x26c net/core/skbuff.c:356 __alloc_skb+0x23c/0x67c net/core/skbuff.c:427 alloc_skb include/linux/skbuff.h:1162 [inline] nlmsg_new include/net/netlink.h:953 [inline] genlmsg_new include/net/genetlink.h:411 [inline] __send_and_alloc_skb drivers/net/team/team.c:2455 [inline] team_nl_send_options_get+0x154/0xef4 drivers/net/team/team.c:2478 team_nl_send_event_options_get drivers/net/team/team.c:2896 [inline] team_nl_cmd_options_set+0x878/0xbfc drivers/net/team/team.c:2700 genl_family_rcv_msg_doit net/netlink/genetlink.c:731 [inline] genl_family_rcv_msg net/netlink/genetlink.c:775 [inline] genl_rcv_msg+0x8b4/0xb6c net/netlink/genetlink.c:792 netlink_rcv_skb+0x208/0x3c4 net/netlink/af_netlink.c:2489 genl_rcv+0x38/0x50 net/netlink/genetlink.c:803 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] netlink_unicast+0x60c/0x89c net/netlink/af_netlink.c:1337 netlink_sendmsg+0x6e8/0x9cc net/netlink/af_netlink.c:1905 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] ____sys_sendmsg+0x61c/0x920 net/socket.c:2436 ___sys_sendmsg+0x1d0/0x240 net/socket.c:2490 __sys_sendmsg net/socket.c:2519 [inline] __do_sys_sendmsg net/socket.c:2528 [inline] __se_sys_sendmsg net/socket.c:2526 [inline] __arm64_sys_sendmsg+0x1a8/0x254 net/socket.c:2526 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 2834 hardirqs last enabled at (2833): [] ___slab_alloc+0xc34/0xda8 mm/slub.c:2963 hardirqs last disabled at (2834): [] __schedule+0x2ec/0x1c0c kernel/sched/core.c:6272 softirqs last enabled at (2830): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (2830): [] handle_softirqs+0xa4c/0xbf0 kernel/softirq.c:586 softirqs last disabled at (2719): [] __do_softirq kernel/softirq.c:592 [inline] softirqs last disabled at (2719): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (2719): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (2719): [] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:641 ---[ end trace 5a6dad2d5918910a ]---