BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 0 PID: 8538 Comm: kworker/u4:7 Not tainted 5.15.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bond2075 bond_resend_igmp_join_requests_delayed Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 add_chain_cache kernel/locking/lockdep.c:3637 [inline] lookup_chain_cache_add kernel/locking/lockdep.c:3736 [inline] validate_chain kernel/locking/lockdep.c:3757 [inline] __lock_acquire.cold+0x372/0x3ab kernel/locking/lockdep.c:5015 lock_acquire kernel/locking/lockdep.c:5625 [inline] lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5590 local_lock_acquire include/linux/local_lock_internal.h:29 [inline] put_cpu_partial+0x61/0x230 mm/slub.c:2551 get_partial_node.part.0+0x1d7/0x310 mm/slub.c:2139 get_partial_node mm/slub.c:2119 [inline] get_partial mm/slub.c:2227 [inline] ___slab_alloc+0x7fd/0xfe0 mm/slub.c:2996 __slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3088 slab_alloc_node mm/slub.c:3179 [inline] __kmalloc_node_track_caller+0x2d0/0x340 mm/slub.c:4947 kmalloc_reserve net/core/skbuff.c:354 [inline] pskb_expand_head+0x15e/0x1060 net/core/skbuff.c:1701 netlink_trim+0x1ea/0x240 net/netlink/af_netlink.c:1301 netlink_broadcast+0x5b/0xd50 net/netlink/af_netlink.c:1497 nlmsg_multicast include/net/netlink.h:1033 [inline] nlmsg_notify+0x8f/0x280 net/netlink/af_netlink.c:2534 rtnl_notify net/core/rtnetlink.c:730 [inline] rtmsg_ifinfo_send net/core/rtnetlink.c:3832 [inline] rtmsg_ifinfo_event net/core/rtnetlink.c:3847 [inline] rtmsg_ifinfo_event net/core/rtnetlink.c:3835 [inline] rtnetlink_event+0x193/0x1d0 net/core/rtnetlink.c:5622 notifier_call_chain+0xb5/0x200 kernel/notifier.c:83 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2002 call_netdevice_notifiers_extack net/core/dev.c:2014 [inline] call_netdevice_notifiers+0x79/0xa0 net/core/dev.c:2028 bond_resend_igmp_join_requests_delayed+0x5d/0x170 drivers/net/bonding/bond_main.c:847 process_one_work+0x9b2/0x1690 kernel/workqueue.c:2297 worker_thread+0x658/0x11f0 kernel/workqueue.c:2444 kthread+0x405/0x4f0 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295