BUG: MAX_LOCKDEP_ENTRIES too low! turning off the locking correctness validator. CPU: 0 PID: 26680 Comm: syz-executor.0 Not tainted 6.6.0-rc7-syzkaller-00195-g2af9b20dbb39 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106 alloc_list_entry kernel/locking/lockdep.c:1397 [inline] add_lock_to_list+0x81/0x2e0 kernel/locking/lockdep.c:1418 check_prev_add kernel/locking/lockdep.c:3204 [inline] check_prevs_add kernel/locking/lockdep.c:3253 [inline] validate_chain kernel/locking/lockdep.c:3868 [inline] __lock_acquire+0x5323/0x7f70 kernel/locking/lockdep.c:5136 lock_acquire+0x1e3/0x520 kernel/locking/lockdep.c:5753 __raw_read_lock_bh include/linux/rwlock_api_smp.h:176 [inline] _raw_read_lock_bh+0x3d/0x50 kernel/locking/spinlock.c:252 inet6_fill_ifla6_attrs+0x1516/0x2750 net/ipv6/addrconf.c:5755 inet6_fill_link_af+0x9e/0x120 net/ipv6/addrconf.c:5789 rtnl_fill_link_af+0x1a5/0x410 net/core/rtnetlink.c:1669 rtnl_fill_ifinfo+0x1ed5/0x2230 net/core/rtnetlink.c:1899 rtmsg_ifinfo_build_skb+0x1a4/0x280 net/core/rtnetlink.c:4040 rtmsg_ifinfo_event net/core/rtnetlink.c:4074 [inline] rtnetlink_event+0x1b1/0x260 net/core/rtnetlink.c:6493 notifier_call_chain+0x18c/0x3a0 kernel/notifier.c:93 call_netdevice_notifiers_info net/core/dev.c:1995 [inline] call_netdevice_notifiers_extack net/core/dev.c:2033 [inline] call_netdevice_notifiers+0x149/0x1c0 net/core/dev.c:2047 team_dev_type_check_change drivers/net/team/team.c:2164 [inline] team_port_add drivers/net/team/team.c:1177 [inline] team_add_slave+0x64b/0x27a0 drivers/net/team/team.c:1973 do_set_master net/core/rtnetlink.c:2674 [inline] rtnl_newlink_create net/core/rtnetlink.c:3502 [inline] __rtnl_newlink net/core/rtnetlink.c:3705 [inline] rtnl_newlink+0x1b93/0x2070 net/core/rtnetlink.c:3718 rtnetlink_rcv_msg+0x87e/0x1030 net/core/rtnetlink.c:6442 netlink_rcv_skb+0x1df/0x430 net/netlink/af_netlink.c:2545 netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline] netlink_unicast+0x7dc/0x970 net/netlink/af_netlink.c:1368 netlink_sendmsg+0xa37/0xd70 net/netlink/af_netlink.c:1910 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] ____sys_sendmsg+0x592/0x890 net/socket.c:2558 ___sys_sendmsg net/socket.c:2612 [inline] __sys_sendmsg+0x2b0/0x3a0 net/socket.c:2641 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f356867cae9 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:00007f35693860c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f356879c120 RCX: 00007f356867cae9 RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000004 RBP: 00007f35686c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f356879c120 R15: 00007ffe6fbab218 vcan1249: entered promiscuous mode team1608: Port device vcan1249 added