BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! turning off the locking correctness validator. CPU: 1 PID: 29518 Comm: syz-executor.2 Not tainted 5.11.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0xfa/0x151 lib/dump_stack.c:120 add_chain_cache kernel/locking/lockdep.c:3540 [inline] lookup_chain_cache_add kernel/locking/lockdep.c:3621 [inline] validate_chain kernel/locking/lockdep.c:3642 [inline] __lock_acquire.cold+0x3af/0x3b4 kernel/locking/lockdep.c:4900 lock_acquire kernel/locking/lockdep.c:5510 [inline] lock_acquire+0x1ab/0x730 kernel/locking/lockdep.c:5475 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:159 remove_entity_load_avg+0x76/0x250 kernel/sched/fair.c:3861 migrate_task_rq_fair+0x2be/0x4a0 kernel/sched/fair.c:6816 set_task_cpu+0xdc/0x5b0 kernel/sched/core.c:2448 try_to_wake_up+0x580/0x14a0 kernel/sched/core.c:3460 wake_up_worker kernel/workqueue.c:837 [inline] insert_work+0x2a0/0x370 kernel/workqueue.c:1346 __queue_work+0x5c1/0xf00 kernel/workqueue.c:1497 queue_work_on+0xae/0xc0 kernel/workqueue.c:1524 queue_work include/linux/workqueue.h:507 [inline] addr_event.part.0+0x2e1/0x470 drivers/infiniband/core/roce_gid_mgmt.c:852 addr_event drivers/infiniband/core/roce_gid_mgmt.c:823 [inline] inet6addr_event+0x13e/0x1b0 drivers/infiniband/core/roce_gid_mgmt.c:882 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 atomic_notifier_call_chain+0x8d/0x170 kernel/notifier.c:217 addrconf_ifdown.isra.0+0xa71/0x15b0 net/ipv6/addrconf.c:3821 addrconf_notify+0x55c/0x23e0 net/ipv6/addrconf.c:3631 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2063 call_netdevice_notifiers_extack net/core/dev.c:2075 [inline] call_netdevice_notifiers net/core/dev.c:2089 [inline] dev_close_many+0x2ff/0x620 net/core/dev.c:1664 dev_close net/core/dev.c:1686 [inline] dev_close+0x16d/0x210 net/core/dev.c:1680 team_port_add drivers/net/team/team.c:1305 [inline] team_add_slave+0x1068/0x1c20 drivers/net/team/team.c:1967 do_set_master+0x1c8/0x220 net/core/rtnetlink.c:2519 do_setlink+0x920/0x3a70 net/core/rtnetlink.c:2715 __rtnl_newlink+0xdc6/0x1710 net/core/rtnetlink.c:3376 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3491 rtnetlink_rcv_msg+0x44e/0xad0 net/core/rtnetlink.c:5553 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2502 netlink_unicast_kernel net/netlink/af_netlink.c:1312 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1338 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1927 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:672 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2348 ___sys_sendmsg+0xf3/0x170 net/socket.c:2402 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2435 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x465ef9 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f70a9f26188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465ef9 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000005 RBP: 00000000004bcd1c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffe814f909f R14: 00007f70a9f26300 R15: 0000000000022000