device dummy0 entered promiscuous mode team0: Device macvtap1 failed to register rx_handler device dummy0 left promiscuous mode BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 0 PID: 5986 Comm: syz-executor.1 Not tainted 5.18.0-syzkaller-11338-g2c5ca23f7414 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 lookup_chain_cache_add kernel/locking/lockdep.c:3776 [inline] validate_chain+0xa0c/0x65c0 kernel/locking/lockdep.c:3797 __lock_acquire+0x129a/0x1f80 kernel/locking/lockdep.c:5053 lock_acquire+0x1a7/0x400 kernel/locking/lockdep.c:5665 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x31/0x40 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:354 [inline] ip_vs_dst_event+0x50b/0x690 net/netfilter/ipvs/ip_vs_ctl.c:1721 notifier_call_chain kernel/notifier.c:84 [inline] raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:392 call_netdevice_notifiers_info net/core/dev.c:1943 [inline] call_netdevice_notifiers_extack net/core/dev.c:1981 [inline] call_netdevice_notifiers net/core/dev.c:1995 [inline] dev_close_many+0x3fb/0x5d0 net/core/dev.c:1543 dev_close+0x1b1/0x2b0 net/core/dev.c:1565 team_port_add+0xf33/0x1930 drivers/net/team/team.c:1310 team_add_slave+0x3e/0x80 drivers/net/team/team.c:1972 do_set_master net/core/rtnetlink.c:2577 [inline] rtnl_newlink_create net/core/rtnetlink.c:3380 [inline] __rtnl_newlink net/core/rtnetlink.c:3580 [inline] rtnl_newlink+0x1d72/0x2060 net/core/rtnetlink.c:3593 rtnetlink_rcv_msg+0x7c9/0xea0 net/core/rtnetlink.c:6089 netlink_rcv_skb+0x1f0/0x460 net/netlink/af_netlink.c:2501 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x7e7/0x9c0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x9b3/0xcd0 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg net/socket.c:734 [inline] ____sys_sendmsg+0x597/0x8e0 net/socket.c:2492 ___sys_sendmsg net/socket.c:2546 [inline] __sys_sendmsg+0x284/0x370 net/socket.c:2575 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7f757b689109 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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:00007f757c764168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f757b79bf60 RCX: 00007f757b689109 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000004 RBP: 00007f757b6e308d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd766afb8f R14: 00007f757c764300 R15: 0000000000022000