BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
turning off the locking correctness validator.
CPU: 1 PID: 4552 Comm: kworker/1:13 Not tainted 6.1.148-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
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
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x6c/0xb4 kernel/locking/spinlock.c:162
 __stack_depot_save+0x1c4/0x4b8 lib/stackdepot.c:479
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x64/0x80 mm/kasan/common.c:52
 kasan_save_alloc_info+0x28/0x34 mm/kasan/generic.c:505
 __kasan_slab_alloc+0x70/0x88 mm/kasan/common.c:328
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook+0x74/0x43c mm/slab.h:737
 slab_alloc_node mm/slub.c:3398 [inline]
 slab_alloc mm/slub.c:3406 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3413 [inline]
 kmem_cache_alloc+0x234/0x318 mm/slub.c:3422
 kmem_cache_zalloc include/linux/slab.h:689 [inline]
 fill_pool lib/debugobjects.c:169 [inline]
 debug_objects_fill_pool+0x2e4/0x58c lib/debugobjects.c:607
 debug_object_assert_init+0x6c/0x2c8 lib/debugobjects.c:883
 debug_timer_assert_init kernel/time/timer.c:792 [inline]
 debug_assert_init kernel/time/timer.c:837 [inline]
 timer_delete+0x48/0x1e8 kernel/time/timer.c:1277
 del_timer include/linux/timer.h:211 [inline]
 try_to_grab_pending+0xa4/0x65c kernel/workqueue.c:1278
 __cancel_work+0x44/0x224 kernel/workqueue.c:3251
 cancel_delayed_work+0x24/0x38 kernel/workqueue.c:3289
 addrconf_del_dad_work net/ipv6/addrconf.c:316 [inline]
 addrconf_dad_stop+0x188/0x46c net/ipv6/addrconf.c:2088
 addrconf_dad_begin net/ipv6/addrconf.c:4076 [inline]
 addrconf_dad_work+0x640/0x10e4 net/ipv6/addrconf.c:4165
 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:849