BUG: MAX_LOCKDEP_ENTRIES too low! turning off the locking correctness validator. CPU: 0 PID: 9166 Comm: syz-executor364 Not tainted 6.8.0-syzkaller-01185-g855684c7d938 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2e0 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+0x316a/0x58e0 kernel/locking/lockdep.c:3869 __lock_acquire+0x1346/0x1fd0 kernel/locking/lockdep.c:5137 lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754 local_lock_acquire include/linux/local_lock_internal.h:29 [inline] __radix_tree_preload+0x99/0x860 lib/radix-tree.c:334 idr_preload+0x1b/0x210 lib/radix-tree.c:1471 __kernfs_new_node+0xfd/0x880 fs/kernfs/dir.c:619 kernfs_new_node+0x13a/0x240 fs/kernfs/dir.c:691 kernfs_create_dir_ns+0x43/0x120 fs/kernfs/dir.c:1052 sysfs_create_dir_ns+0x189/0x3a0 fs/sysfs/dir.c:59 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0x435/0x8d0 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x152/0x220 lib/kobject.c:426 device_add+0x4b5/0xca0 drivers/base/core.c:3577 netdev_register_kobject+0x17e/0x310 net/core/net-sysfs.c:2055 register_netdevice+0x1191/0x19c0 net/core/dev.c:10268 bpq_new_device drivers/net/hamradio/bpqether.c:499 [inline] bpq_device_event+0x49b/0x8b0 drivers/net/hamradio/bpqether.c:542 notifier_call_chain+0x191/0x3b0 kernel/notifier.c:93 call_netdevice_notifiers_extack net/core/dev.c:2004 [inline] call_netdevice_notifiers net/core/dev.c:2018 [inline] dev_open+0x13a/0x1b0 net/core/dev.c:1487 team_port_add drivers/net/team/team.c:1215 [inline] team_add_slave+0x9b3/0x2750 drivers/net/team/team.c:1975 do_set_master net/core/rtnetlink.c:2707 [inline] rtnl_newlink_create net/core/rtnetlink.c:3535 [inline] __rtnl_newlink net/core/rtnetlink.c:3738 [inline] rtnl_newlink+0x1be7/0x20a0 net/core/rtnetlink.c:3751 rtnetlink_rcv_msg+0x887/0x1040 net/core/rtnetlink.c:6617 netlink_rcv_skb+0x1e5/0x430 net/netlink/af_netlink.c:2543 netlink_unicast_kernel net/netlink/af_netlink.c:1341 [inline] netlink_unicast+0x7ec/0x980 net/netlink/af_netlink.c:1367 netlink_sendmsg+0xa3c/0xd70 net/netlink/af_netlink.c:1908 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x223/0x270 net/socket.c:745 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2584 ___sys_sendmsg net/socket.c:2638 [inline] __sys_sendmsg+0x2b0/0x3a0 net/socket.c:2667 do_syscall_64+0xfd/0x240 entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7fc8e0475c19 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:00007ffe67dc6f58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc8e0475c19 RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 8021q: adding VLAN 0 to HW filter on device batadv950 team950: Port device batadv950 added