BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 0 PID: 5607 Comm: kworker/u4:7 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
Workqueue: events_power_efficient neigh_periodic_work
Call trace:
 dump_backtrace+0x0/0x458 arch/arm64/kernel/stacktrace.c:152
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf4/0x15c 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:3735 [inline]
 validate_chain kernel/locking/lockdep.c:3756 [inline]
 __lock_acquire+0x1b08/0x65d4 kernel/locking/lockdep.c:5012
 lock_acquire+0x1f4/0x618 kernel/locking/lockdep.c:5623
 local_lock_acquire+0x38/0x94 include/linux/local_lock_internal.h:29
 ___slab_alloc+0x208/0xd84 mm/slub.c:2935
 __slab_alloc+0x68/0xc0 mm/slub.c:3100
 slab_alloc_node mm/slub.c:3191 [inline]
 __kmalloc_node_track_caller+0x284/0x3b0 mm/slub.c:4963
 kmalloc_reserve+0xe0/0x258 net/core/skbuff.c:356
 __alloc_skb+0x23c/0x68c net/core/skbuff.c:427
 alloc_skb include/linux/skbuff.h:1162 [inline]
 nlmsg_new include/net/netlink.h:964 [inline]
 __neigh_notify+0x158/0x310 net/core/neighbour.c:3379
 neigh_cleanup_and_release+0xe8/0x33c net/core/neighbour.c:101
 neigh_periodic_work+0x428/0xc04 net/core/neighbour.c:947
 process_one_work+0x7a4/0x1178 kernel/workqueue.c:2310
 worker_thread+0x8fc/0x103c kernel/workqueue.c:2457
 kthread+0x37c/0x460 kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:856
IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
bridge0: port 2(bridge_slave_1) entered blocking state
bridge0: port 2(bridge_slave_1) entered forwarding state