BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! turning off the locking correctness validator. CPU: 1 PID: 5417 Comm: kworker/1:12 Not tainted 6.1.129-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Workqueue: mld mld_ifc_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 lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x58 lib/dump_stack.c:113 lookup_chain_cache_add kernel/locking/lockdep.c:3772 [inline] validate_chain kernel/locking/lockdep.c:3793 [inline] __lock_acquire+0x1b88/0x7680 kernel/locking/lockdep.c:5049 lock_acquire+0x26c/0x7cc 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+0x154/0x3cc mm/slub.c:2234 get_partial mm/slub.c:2325 [inline] ___slab_alloc+0x684/0xee0 mm/slub.c:3175 __slab_alloc mm/slub.c:3279 [inline] slab_alloc_node mm/slub.c:3364 [inline] slab_alloc mm/slub.c:3406 [inline] __kmem_cache_alloc_lru mm/slub.c:3413 [inline] kmem_cache_alloc+0x2cc/0x37c mm/slub.c:3422 skb_clone+0x19c/0x304 net/core/skbuff.c:1660 dev_queue_xmit_nit+0x21c/0x9bc net/core/dev.c:2290 xmit_one net/core/dev.c:3623 [inline] dev_hard_start_xmit+0x124/0x9a4 net/core/dev.c:3643 __dev_queue_xmit+0x161c/0x34d4 net/core/dev.c:4303 dev_queue_xmit include/linux/netdevice.h:3049 [inline] br_dev_queue_push_xmit+0x584/0x730 net/bridge/br_forward.c:53 NF_HOOK+0x35c/0x408 include/linux/netfilter.h:302 br_forward_finish+0xd0/0x118 net/bridge/br_forward.c:66 NF_HOOK+0x35c/0x408 include/linux/netfilter.h:302 __br_forward+0x2f4/0x464 net/bridge/br_forward.c:115 br_flood+0x370/0x3f8 br_dev_xmit+0xdec/0x1520 __netdev_start_xmit include/linux/netdevice.h:4894 [inline] netdev_start_xmit include/linux/netdevice.h:4908 [inline] xmit_one net/core/dev.c:3627 [inline] dev_hard_start_xmit+0x25c/0x9a4 net/core/dev.c:3643 __dev_queue_xmit+0x161c/0x34d4 net/core/dev.c:4303 dev_queue_xmit include/linux/netdevice.h:3049 [inline] neigh_resolve_output+0x558/0x658 net/core/neighbour.c:1563 neigh_output include/net/neighbour.h:544 [inline] ip6_finish_output2+0xdf8/0x1bc0 net/ipv6/ip6_output.c:138 __ip6_finish_output net/ipv6/ip6_output.c:205 [inline] ip6_finish_output+0x5a4/0x940 net/ipv6/ip6_output.c:216 NF_HOOK_COND include/linux/netfilter.h:291 [inline] ip6_output+0x274/0x594 net/ipv6/ip6_output.c:237 dst_output include/net/dst.h:444 [inline] NF_HOOK+0x160/0x4f0 include/linux/netfilter.h:302 mld_sendpack+0x910/0x1368 net/ipv6/mcast.c:1826 mld_send_cr net/ipv6/mcast.c:2127 [inline] mld_ifc_work+0x784/0xac0 net/ipv6/mcast.c:2659 process_one_work+0x804/0x1484 kernel/workqueue.c:2292 worker_thread+0x8e4/0xfec kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864