BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 1 PID: 4841 Comm: kworker/1:8 Not tainted 6.1.135-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: ipv6_addrconf addrconf_dad_work
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf8/0x160 lib/dump_stack.c:106
 dump_stack+0x1c/0x5c lib/dump_stack.c:113
 add_chain_cache kernel/locking/lockdep.c:-1 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3772 [inline]
 validate_chain kernel/locking/lockdep.c:3793 [inline]
 __lock_acquire+0x1b40/0x6544 kernel/locking/lockdep.c:5049
 lock_acquire+0x20c/0x644 kernel/locking/lockdep.c:5662
 local_lock_acquire+0x3c/0x98 include/linux/local_lock_internal.h:29
 put_cpu_partial+0x68/0x1fc mm/slub.c:2634
 get_partial_node+0x308/0x3b8 mm/slub.c:2234
 get_partial mm/slub.c:2325 [inline]
 ___slab_alloc+0x680/0xe8c mm/slub.c:3175
 __slab_alloc+0x74/0xd0 mm/slub.c:3279
 slab_alloc_node mm/slub.c:3364 [inline]
 __kmem_cache_alloc_node+0x298/0x320 mm/slub.c:3437
 __do_kmalloc_node mm/slab_common.c:935 [inline]
 __kmalloc_node_track_caller+0xcc/0x16c mm/slab_common.c:956
 kmalloc_reserve net/core/skbuff.c:446 [inline]
 __alloc_skb+0x264/0x718 net/core/skbuff.c:515
 __pskb_copy_fclone+0xb4/0xd10 net/core/skbuff.c:1771
 __pskb_copy include/linux/skbuff.h:1335 [inline]
 hsr_create_tagged_frame+0x1e4/0xab4 net/hsr/hsr_forward.c:299
 hsr_forward_do net/hsr/hsr_forward.c:-1 [inline]
 hsr_forward_skb+0xc14/0x1aac net/hsr/hsr_forward.c:624
 hsr_dev_xmit+0x100/0x284 net/hsr/hsr_device.c:220
 __netdev_start_xmit include/linux/netdevice.h:4896 [inline]
 netdev_start_xmit include/linux/netdevice.h:4910 [inline]
 xmit_one net/core/dev.c:3658 [inline]
 dev_hard_start_xmit+0x244/0x8e0 net/core/dev.c:3674
 __dev_queue_xmit+0x155c/0x309c net/core/dev.c:4334
 dev_queue_xmit include/linux/netdevice.h:3051 [inline]
 neigh_connected_output+0x358/0x3e8 net/core/neighbour.c:1592
 neigh_output include/net/neighbour.h:544 [inline]
 ip6_finish_output2+0xd60/0x1844 net/ipv6/ip6_output.c:138
 __ip6_finish_output net/ipv6/ip6_output.c:205 [inline]
 ip6_finish_output+0x594/0x930 net/ipv6/ip6_output.c:216
 NF_HOOK_COND include/linux/netfilter.h:291 [inline]
 ip6_output+0x274/0x500 net/ipv6/ip6_output.c:237
 dst_output include/net/dst.h:453 [inline]
 NF_HOOK include/linux/netfilter.h:302 [inline]
 ndisc_send_skb+0xc38/0x1680 net/ipv6/ndisc.c:513
 ndisc_send_ns+0xd4/0x164 net/ipv6/ndisc.c:671
 addrconf_dad_work+0x778/0x10e4 net/ipv6/addrconf.c:4222
 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292
 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864