BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! turning off the locking correctness validator. CPU: 1 PID: 12142 Comm: syz-executor.0 Not tainted 6.5.0-rc2-syzkaller-00184-g57f1f9dd3abe #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106 dump_stack+0x1c/0x28 lib/dump_stack.c:113 lookup_chain_cache_add kernel/locking/lockdep.c:3823 [inline] validate_chain kernel/locking/lockdep.c:3844 [inline] __lock_acquire+0x1c60/0x75e8 kernel/locking/lockdep.c:5144 lock_acquire+0x23c/0x71c kernel/locking/lockdep.c:5761 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x5c/0x7c kernel/locking/spinlock.c:162 __wake_up_common_lock kernel/sched/wait.c:137 [inline] __wake_up+0xec/0x1a8 kernel/sched/wait.c:160 netlink_unlock_table net/netlink/af_netlink.c:481 [inline] netlink_broadcast+0xf34/0x1054 net/netlink/af_netlink.c:1540 nlmsg_multicast include/net/netlink.h:1083 [inline] genlmsg_multicast_netns include/net/genetlink.h:392 [inline] team_nl_send_multicast+0xc4/0x114 drivers/net/team/team.c:2864 team_nl_send_options_get+0x1204/0x12a4 drivers/net/team/team.c:2501 team_nl_send_event_options_get drivers/net/team/team.c:2871 [inline] __team_options_change_check+0x20c/0x2b8 drivers/net/team/team.c:2907 team_options_register+0x908/0x940 drivers/net/team/team.c:344 ab_init+0x2c/0x3c drivers/net/team/team_mode_activebackup.c:105 __team_change_mode+0x284/0x4a0 drivers/net/team/team.c:578 team_change_mode drivers/net/team/team.c:612 [inline] team_mode_option_set+0x324/0x390 drivers/net/team/team.c:1388 team_option_set drivers/net/team/team.c:374 [inline] team_nl_cmd_options_set+0x7e0/0xdec drivers/net/team/team.c:2663 genl_family_rcv_msg_doit net/netlink/genetlink.c:970 [inline] genl_family_rcv_msg net/netlink/genetlink.c:1050 [inline] genl_rcv_msg+0x96c/0xc50 net/netlink/genetlink.c:1067 netlink_rcv_skb+0x214/0x3c4 net/netlink/af_netlink.c:2549 genl_rcv+0x38/0x50 net/netlink/genetlink.c:1078 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline] netlink_unicast+0x660/0x8d4 net/netlink/af_netlink.c:1365 netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1914 sock_sendmsg_nosec net/socket.c:725 [inline] sock_sendmsg net/socket.c:748 [inline] ____sys_sendmsg+0x56c/0x840 net/socket.c:2494 ___sys_sendmsg net/socket.c:2548 [inline] __sys_sendmsg+0x26c/0x33c net/socket.c:2577 __do_sys_sendmsg net/socket.c:2586 [inline] __se_sys_sendmsg net/socket.c:2584 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2584 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x244 arch/arm64/kernel/syscall.c:139 do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:188 el0_svc+0x4c/0x160 arch/arm64/kernel/entry-common.c:647 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:665 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591 team2736: Mode changed to "activebackup"