------------[ cut here ]------------ lockdep bfs error:-1 WARNING: CPU: 3 PID: 9003 at kernel/locking/lockdep.c:2071 print_bfs_bug+0x24/0x30 kernel/locking/lockdep.c:2071 Modules linked in: CPU: 3 PID: 9003 Comm: syz-executor863 Not tainted 6.10.0-rc6-syzkaller-00163-g661e504db04c #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:print_bfs_bug+0x24/0x30 kernel/locking/lockdep.c:2071 Code: 90 90 90 90 90 90 55 89 fd 53 e8 c7 cd 14 03 89 c3 e8 50 fd ff ff 85 db 74 14 90 48 c7 c7 00 b4 2c 8b 89 ee e8 4d 13 e5 ff 90 <0f> 0b 90 90 5b 5d c3 cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000e30ec98 EFLAGS: 00010086 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff81500069 RDX: ffff888029c4c880 RSI: ffffffff81500076 RDI: 0000000000000001 RBP: 00000000ffffffff R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000030303954 R12: ffff888029c4d400 R13: ffff888029c4d428 R14: ffffc9000e30edb0 R15: dffffc0000000000 FS: 0000555581c29380(0000) GS:ffff88806b300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055feb9c961d8 CR3: 0000000112d82000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: check_irq_usage+0xe4a/0x1490 kernel/locking/lockdep.c:2824 check_prev_add kernel/locking/lockdep.c:3138 [inline] check_prevs_add kernel/locking/lockdep.c:3253 [inline] validate_chain kernel/locking/lockdep.c:3869 [inline] __lock_acquire+0x248e/0x3b30 kernel/locking/lockdep.c:5137 lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5719 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154 alloc_object lib/debugobjects.c:233 [inline] lookup_object_or_alloc.part.0+0x3cb/0xaf0 lib/debugobjects.c:587 lookup_object_or_alloc lib/debugobjects.c:567 [inline] __debug_object_init+0x313/0x480 lib/debugobjects.c:633 debug_timer_init kernel/time/timer.c:831 [inline] debug_init kernel/time/timer.c:879 [inline] init_timer_key+0x35/0x240 kernel/time/timer.c:923 lb_init+0x2c4/0x4f0 drivers/net/team/team_mode_loadbalance.c:618 __team_change_mode+0x1bc/0x290 drivers/net/team/team_core.c:579 team_change_mode drivers/net/team/team_core.c:613 [inline] team_mode_option_set+0x25b/0x4e0 drivers/net/team/team_core.c:1388 team_option_set drivers/net/team/team_core.c:375 [inline] team_nl_options_set_doit+0x8b3/0xe20 drivers/net/team/team_core.c:2650 genl_family_rcv_msg_doit+0x202/0x2f0 net/netlink/genetlink.c:1115 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0x565/0x800 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2564 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline] netlink_unicast+0x542/0x820 net/netlink/af_netlink.c:1361 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1905 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] ____sys_sendmsg+0xab5/0xc90 net/socket.c:2585 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2639 __sys_sendmsg+0x117/0x1f0 net/socket.c:2668 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f028f53ddc9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 19 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffde0212608 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f028f53ddc9 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000000000a0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000