------------[ cut here ]------------ lockdep bfs error:-1 WARNING: CPU: 0 PID: 12394 at kernel/locking/lockdep.c:2022 print_bfs_bug+0x22/0x30 kernel/locking/lockdep.c:2022 Modules linked in: CPU: 0 PID: 12394 Comm: syz-executor.0 Not tainted 5.15.185-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:print_bfs_bug+0x22/0x30 kernel/locking/lockdep.c:2022 Code: 79 ff ff ff 0f 1f 40 00 55 53 89 fb e8 57 96 7b 02 89 c5 e8 50 e4 fe ff 85 ed 74 10 48 c7 c7 40 2a 0b 8a 89 de e8 0e e3 39 08 <0f> 0b 5b 5d c3 66 0f 1f 84 00 00 00 00 00 55 41 57 41 56 41 55 41 RSP: 0018:ffffc90002e8e4e8 EFLAGS: 00010046 RAX: b2289878a0b0cd00 RBX: 00000000ffffffff RCX: ffff888025cb5940 RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000 RBP: 0000000000000001 R08: dffffc0000000000 R09: ffffed1017204f24 R10: ffffed1017204f24 R11: 1ffff11017204f23 R12: 000000000000001c R13: 00000000000003dd R14: ffffffff8fa47330 R15: ffffffff92c1ad78 FS: 00007fb3a58816c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb3a6574345 CR3: 000000004625c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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+0x5968/0x7c60 kernel/locking/lockdep.c:5012 lock_acquire+0x197/0x3f0 kernel/locking/lockdep.c:5623 do_write_seqcount_begin_nested include/linux/seqlock.h:519 [inline] do_write_seqcount_begin include/linux/seqlock.h:545 [inline] psi_group_change+0x113/0x1150 kernel/sched/psi.c:710 psi_task_switch+0x495/0x810 kernel/sched/psi.c:882 psi_sched_switch kernel/sched/stats.h:148 [inline] __schedule+0x1cef/0x43b0 kernel/sched/core.c:6371 preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:6552 preempt_schedule+0xa7/0xb0 kernel/sched/core.c:6577 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:34 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline] _raw_spin_unlock_irqrestore+0xf6/0x100 kernel/locking/spinlock.c:194 __debug_check_no_obj_freed lib/debugobjects.c:982 [inline] debug_check_no_obj_freed+0x515/0x530 lib/debugobjects.c:1003 slab_free_hook mm/slub.c:1680 [inline] slab_free_freelist_hook+0x8b/0x170 mm/slub.c:1731 slab_free mm/slub.c:3499 [inline] kfree+0xef/0x2a0 mm/slub.c:4559 skb_free_head net/core/skbuff.c:655 [inline] pskb_expand_head+0x358/0x10f0 net/core/skbuff.c:1742 netlink_trim+0x180/0x220 net/netlink/af_netlink.c:1293 netlink_broadcast_filtered+0x7c/0x1170 net/netlink/af_netlink.c:1498 netlink_broadcast+0x33/0x40 net/netlink/af_netlink.c:1543 nlmsg_multicast include/net/netlink.h:1033 [inline] genlmsg_multicast_netns include/net/genetlink.h:314 [inline] team_nl_send_multicast+0xc6/0x100 drivers/net/team/team.c:2889 team_nl_send_options_get+0xff0/0x1080 drivers/net/team/team.c:2525 team_nl_send_event_options_get drivers/net/team/team.c:2896 [inline] team_nl_cmd_options_set+0xabe/0xd70 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+0xbc6/0xf40 net/netlink/genetlink.c:792 netlink_rcv_skb+0x1e0/0x430 net/netlink/af_netlink.c:2489 genl_rcv+0x24/0x40 net/netlink/genetlink.c:803 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] netlink_unicast+0x77c/0x920 net/netlink/af_netlink.c:1337 netlink_sendmsg+0x8ab/0xbc0 net/netlink/af_netlink.c:1905 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] ____sys_sendmsg+0x5a2/0x8c0 net/socket.c:2436 ___sys_sendmsg+0x1f0/0x260 net/socket.c:2490 __sys_sendmsg net/socket.c:2519 [inline] __do_sys_sendmsg net/socket.c:2528 [inline] __se_sys_sendmsg+0x190/0x250 net/socket.c:2526 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fb3a64ff959 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb3a58810c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fb3a661ef80 RCX: 00007fb3a64ff959 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005 RBP: 00007fb3a655bc88 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fb3a661ef80 R15: 00007ffd56d01148