netlink: 'syz.6.370': attribute type 1 has an invalid length.
dummy0: entered allmulticast mode
BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 1 UID: 0 PID: 8381 Comm: syz.6.370 Not tainted 6.16.0-rc7-syzkaller-g82af5ea7c611 #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C)
 __dump_stack+0x30/0x40 lib/dump_stack.c:94
 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120
 dump_stack+0x1c/0x28 lib/dump_stack.c:129
 add_chain_cache kernel/locking/lockdep.c:-1 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3858 [inline]
 validate_chain kernel/locking/lockdep.c:3879 [inline]
 __lock_acquire+0xf9c/0x30a4 kernel/locking/lockdep.c:5240
 lock_acquire+0x14c/0x2e0 kernel/locking/lockdep.c:5871
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x48/0x60 kernel/locking/spinlock.c:154
 __queue_work+0x6e0/0x1230 kernel/workqueue.c:2287
 queue_work_on+0xdc/0x18c kernel/workqueue.c:2392
 queue_work include/linux/workqueue.h:662 [inline]
 schedule_work include/linux/workqueue.h:723 [inline]
 nsim_fib_event_schedule_work drivers/net/netdevsim/fib.c:-1 [inline]
 nsim_fib_event_nb+0xa9c/0xdc8 drivers/net/netdevsim/fib.c:1043
 notifier_call_chain+0x1b8/0x4e4 kernel/notifier.c:85
 atomic_notifier_call_chain+0xd0/0x180 kernel/notifier.c:223
 call_fib_notifiers+0x44/0x74 net/core/fib_notifier.c:35
 call_fib6_notifiers+0x50/0x80 net/ipv6/fib6_notifier.c:22
 fib6_del_route net/ipv6/ip6_fib.c:-1 [inline]
 fib6_del+0xcec/0x11e4 net/ipv6/ip6_fib.c:2093
 fib6_clean_node+0x224/0x49c net/ipv6/ip6_fib.c:2255
 fib6_walk_continue+0x654/0x878 net/ipv6/ip6_fib.c:2177
 fib6_walk+0x140/0x254 net/ipv6/ip6_fib.c:2225
 fib6_clean_tree net/ipv6/ip6_fib.c:2305 [inline]
 __fib6_clean_all+0x1dc/0x310 net/ipv6/ip6_fib.c:2321
 fib6_clean_all+0x3c/0x50 net/ipv6/ip6_fib.c:2332
 rt6_sync_down_dev net/ipv6/route.c:5004 [inline]
 rt6_disable_ip+0x104/0x6cc net/ipv6/route.c:5009
 addrconf_ifdown+0x148/0x148c net/ipv6/addrconf.c:3852
 addrconf_notify+0x2f4/0xcdc net/ipv6/addrconf.c:-1
 notifier_call_chain+0x1b8/0x4e4 kernel/notifier.c:85
 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:453
 call_netdevice_notifiers_info net/core/dev.c:2230 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2268 [inline]
 call_netdevice_notifiers net/core/dev.c:2282 [inline]
 __dev_notify_flags+0x260/0x47c net/core/dev.c:-1
 netif_change_flags+0xd0/0x15c net/core/dev.c:9526
 do_setlink+0xa58/0x3658 net/core/rtnetlink.c:3141
 rtnl_changelink net/core/rtnetlink.c:3759 [inline]
 __rtnl_newlink net/core/rtnetlink.c:3918 [inline]
 rtnl_newlink+0x10f8/0x15dc net/core/rtnetlink.c:4055
 rtnetlink_rcv_msg+0x664/0x97c net/core/rtnetlink.c:6944
 netlink_rcv_skb+0x220/0x3fc net/netlink/af_netlink.c:2552
 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6971
 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
 netlink_unicast+0x618/0x830 net/netlink/af_netlink.c:1346
 netlink_sendmsg+0x648/0x930 net/netlink/af_netlink.c:1896
 sock_sendmsg_nosec net/socket.c:712 [inline]
 __sock_sendmsg net/socket.c:727 [inline]
 ____sys_sendmsg+0x490/0x7b8 net/socket.c:2566
 ___sys_sendmsg+0x204/0x278 net/socket.c:2620
 __sys_sendmsg net/socket.c:2652 [inline]
 __do_sys_sendmsg net/socket.c:2657 [inline]
 __se_sys_sendmsg net/socket.c:2655 [inline]
 __arm64_sys_sendmsg+0x184/0x238 net/socket.c:2655
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x58/0x180 arch/arm64/kernel/entry-common.c:879
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596