------------[ cut here ]------------ lockdep bfs error:-1 WARNING: CPU: 0 PID: 8924 at kernel/locking/lockdep.c:2067 print_bfs_bug+0x22/0x30 kernel/locking/lockdep.c:2067 Modules linked in: CPU: 0 PID: 8924 Comm: syz-executor284 Not tainted 6.1.30-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 RIP: 0010:print_bfs_bug+0x22/0x30 kernel/locking/lockdep.c:2067 Code: ff ff e8 31 69 18 09 90 55 53 89 fb e8 47 8f c6 02 89 c5 e8 a0 1e ff ff 85 ed 74 10 48 c7 c7 00 e8 eb 8a 89 de e8 3e dc e7 ff <0f> 0b 5b 5d c3 66 0f 1f 84 00 00 00 00 00 55 41 57 41 56 41 55 41 RSP: 0018:ffffc9000e916a88 EFLAGS: 00010046 RAX: 8840722a86ec4900 RBX: 00000000ffffffff RCX: ffff888079d55940 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000001 R08: ffffffff81523d7e R09: ffffed1017304f1c R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff9138faa8 R13: 000000000001a301 R14: ffffffff8ffb4ed0 R15: ffffffff9138f9c8 FS: 0000555555635300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe65a36d140 CR3: 000000002cf8e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: check_irq_usage kernel/locking/lockdep.c:2792 [inline] check_prev_add kernel/locking/lockdep.c:3102 [inline] check_prevs_add kernel/locking/lockdep.c:3217 [inline] validate_chain+0x4107/0x58e0 kernel/locking/lockdep.c:3832 __lock_acquire+0x125b/0x1f80 kernel/locking/lockdep.c:5056 lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5669 fs_reclaim_acquire+0xa7/0x120 mm/page_alloc.c:4700 might_alloc include/linux/sched/mm.h:271 [inline] slab_pre_alloc_hook+0x2a/0x2a0 mm/slab.h:710 slab_alloc_node mm/slub.c:3318 [inline] kmem_cache_alloc_node+0x52/0x310 mm/slub.c:3443 __alloc_skb+0xde/0x620 net/core/skbuff.c:497 alloc_skb include/linux/skbuff.h:1268 [inline] nlmsg_new include/net/netlink.h:970 [inline] genlmsg_new include/net/genetlink.h:430 [inline] __send_and_alloc_skb drivers/net/team/team.c:2430 [inline] team_nl_send_options_get+0x17a/0x1530 drivers/net/team/team.c:2453 team_nl_send_event_options_get drivers/net/team/team.c:2870 [inline] team_nl_cmd_options_set+0xc91/0x1050 drivers/net/team/team.c:2673 genl_family_rcv_msg_doit net/netlink/genetlink.c:756 [inline] genl_family_rcv_msg net/netlink/genetlink.c:833 [inline] genl_rcv_msg+0xc1a/0xf70 net/netlink/genetlink.c:850 netlink_rcv_skb+0x1cd/0x410 net/netlink/af_netlink.c:2524 genl_rcv+0x24/0x40 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1328 [inline] netlink_unicast+0x7bf/0x990 net/netlink/af_netlink.c:1354 netlink_sendmsg+0xa26/0xd60 net/netlink/af_netlink.c:1902 sock_sendmsg_nosec net/socket.c:716 [inline] sock_sendmsg net/socket.c:736 [inline] ____sys_sendmsg+0x59e/0x8f0 net/socket.c:2482 ___sys_sendmsg net/socket.c:2536 [inline] __sys_sendmsg+0x2a9/0x390 net/socket.c:2565 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fe65a2fcb29 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 14 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 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffcb89d1448 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000099177 RCX: 00007fe65a2fcb29 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffcb89d15e8 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcb89d145c R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000