BUG: MAX_LOCKDEP_ENTRIES too low! turning off the locking correctness validator. CPU: 1 PID: 14846 Comm: syz-executor.2 Not tainted 6.5.0-syzkaller-03967-gbd6c11bc43c4 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106 alloc_list_entry kernel/locking/lockdep.c:1405 [inline] add_lock_to_list+0x259/0x380 kernel/locking/lockdep.c:1426 check_prev_add kernel/locking/lockdep.c:3212 [inline] check_prevs_add kernel/locking/lockdep.c:3261 [inline] validate_chain kernel/locking/lockdep.c:3876 [inline] __lock_acquire+0x3d49/0x5de0 kernel/locking/lockdep.c:5144 lock_acquire kernel/locking/lockdep.c:5761 [inline] lock_acquire+0x1ae/0x510 kernel/locking/lockdep.c:5726 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x3a/0x50 kernel/locking/spinlock.c:162 debug_object_activate+0x1a4/0x490 lib/debugobjects.c:717 debug_rcu_head_queue kernel/rcu/rcu.h:226 [inline] kvfree_call_rcu+0x30/0xbe0 kernel/rcu/tree.c:3363 batadv_hardif_release+0xa4/0xd0 net/batman-adv/hard-interface.c:56 kref_put include/linux/kref.h:65 [inline] batadv_hardif_put net/batman-adv/hard-interface.h:95 [inline] batadv_hardif_put net/batman-adv/hard-interface.h:90 [inline] batadv_hard_if_event+0x114d/0x1660 net/batman-adv/hard-interface.c:1020 notifier_call_chain+0xb6/0x3b0 kernel/notifier.c:93 call_netdevice_notifiers_info+0xb9/0x130 net/core/dev.c:1970 call_netdevice_notifiers_extack net/core/dev.c:2008 [inline] call_netdevice_notifiers+0x7d/0xb0 net/core/dev.c:2022 team_dev_type_check_change drivers/net/team/team.c:2150 [inline] team_port_add drivers/net/team/team.c:1177 [inline] team_add_slave+0x2a9/0x20f0 drivers/net/team/team.c:1973 do_set_master+0x1bc/0x220 net/core/rtnetlink.c:2674 rtnl_newlink_create net/core/rtnetlink.c:3502 [inline] __rtnl_newlink+0x14e8/0x1940 net/core/rtnetlink.c:3705 rtnl_newlink+0x67/0xa0 net/core/rtnetlink.c:3718 rtnetlink_rcv_msg+0x439/0xd30 net/core/rtnetlink.c:6444 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2545 netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline] netlink_unicast+0x536/0x810 net/netlink/af_netlink.c:1368 netlink_sendmsg+0x93c/0xe40 net/netlink/af_netlink.c:1910 sock_sendmsg_nosec net/socket.c:728 [inline] sock_sendmsg+0xd9/0x180 net/socket.c:751 ____sys_sendmsg+0x6ac/0x940 net/socket.c:2538 ___sys_sendmsg+0x135/0x1d0 net/socket.c:2592 __sys_sendmsg+0x117/0x1e0 net/socket.c:2621 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f50f867cae9 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:00007f50f94a10c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f50f879bf80 RCX: 00007f50f867cae9 RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000006 RBP: 00007f50f86c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000004d R14: 00007f50f879bf80 R15: 00007ffc6ee06808 vcan1225: entered promiscuous mode team454: Port device vcan1225 added