BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 0 PID: 40 Comm: kworker/u4:2 Not tainted 6.3.0-syzkaller-13466-gfc4354c6e5c2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 Workqueue: bond139 bond_alb_monitor 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:3789 [inline] validate_chain kernel/locking/lockdep.c:3810 [inline] __lock_acquire+0x1c18/0x75f0 kernel/locking/lockdep.c:5074 lock_acquire+0x23c/0x71c kernel/locking/lockdep.c:5691 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x5c/0x7c kernel/locking/spinlock.c:162 __debug_check_no_obj_freed lib/debugobjects.c:991 [inline] debug_check_no_obj_freed+0x14c/0x528 lib/debugobjects.c:1034 slab_free_hook mm/slub.c:1756 [inline] slab_free_freelist_hook mm/slub.c:1807 [inline] slab_free mm/slub.c:3786 [inline] kmem_cache_free+0x208/0x4e8 mm/slub.c:3808 skb_kfree_head net/core/skbuff.c:903 [inline] skb_free_head+0xa4/0x198 net/core/skbuff.c:918 skb_release_data+0x444/0x5c8 net/core/skbuff.c:948 skb_release_all net/core/skbuff.c:1014 [inline] __kfree_skb net/core/skbuff.c:1028 [inline] kfree_skb_reason+0x208/0x6c4 net/core/skbuff.c:1064 kfree_skb include/linux/skbuff.h:1236 [inline] batadv_send_skb_unicast+0x264/0x3f0 net/batman-adv/send.c:381 batadv_send_skb_via_tt_generic+0x90/0x154 net/batman-adv/send.c:423 batadv_send_skb_via_tt net/batman-adv/send.h:86 [inline] batadv_interface_tx+0x7f0/0x107c net/batman-adv/soft-interface.c:372 __netdev_start_xmit include/linux/netdevice.h:4915 [inline] netdev_start_xmit include/linux/netdevice.h:4929 [inline] xmit_one net/core/dev.c:3578 [inline] dev_hard_start_xmit+0x240/0x8ac net/core/dev.c:3594 __dev_queue_xmit+0x15e8/0x31c4 net/core/dev.c:4244 dev_queue_xmit include/linux/netdevice.h:3085 [inline] alb_send_lp_vid+0x280/0x568 drivers/net/bonding/bond_alb.c:949 alb_send_learning_packets+0x168/0x318 drivers/net/bonding/bond_alb.c:1011 bond_alb_monitor+0x330/0x1380 drivers/net/bonding/bond_alb.c:1563 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405 worker_thread+0x8e0/0xfe8 kernel/workqueue.c:2552 kthread+0x288/0x310 kernel/kthread.c:379 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870