BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 0 UID: 0 PID: 9999 Comm: kworker/u8:27 Tainted: G             L      syzkaller #0 PREEMPT 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026
Workqueue: ipv6_addrconf addrconf_dad_work
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C)
 __dump_stack+0x30/0x40 lib/dump_stack.c:94
 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120
 dump_stack+0x1c/0x28 lib/dump_stack.c:129
 add_chain_cache kernel/locking/lockdep.c:-1 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3855 [inline]
 validate_chain kernel/locking/lockdep.c:3876 [inline]
 __lock_acquire+0xfdc/0x2ebc kernel/locking/lockdep.c:5237
 lock_acquire+0x140/0x364 kernel/locking/lockdep.c:5868
 _raw_spin_lock_nested+0x50/0x6c kernel/locking/spinlock.c:382
 raw_spin_rq_lock_nested+0x2c/0x44 kernel/sched/core.c:652
 raw_spin_rq_lock kernel/sched/sched.h:1624 [inline]
 rq_lock kernel/sched/sched.h:1968 [inline]
 ttwu_queue kernel/sched/core.c:3976 [inline]
 try_to_wake_up+0x3f4/0xc84 kernel/sched/core.c:4302
 wake_up_process kernel/sched/core.c:4434 [inline]
 wake_up_q+0x84/0x114 kernel/sched/core.c:1158
 raw_spin_unlock_irqrestore_wake include/linux/sched/wake_q.h:99 [inline]
 __mutex_unlock_slowpath+0x624/0x740 kernel/locking/mutex.c:1029
 mutex_unlock+0x18/0x24 kernel/locking/mutex.c:582
 __ipv6_dev_mc_inc+0x7e8/0x9e4 net/ipv6/mcast.c:974
 ipv6_dev_mc_inc+0x2c/0x3c net/ipv6/mcast.c:981
 addrconf_join_solict+0xec/0x170 net/ipv6/addrconf.c:2246
 addrconf_dad_begin net/ipv6/addrconf.c:4111 [inline]
 addrconf_dad_work+0x1ec/0xf84 net/ipv6/addrconf.c:4239
 process_one_work kernel/workqueue.c:3314 [inline]
 process_scheduled_works+0x788/0x10b8 kernel/workqueue.c:3397
 worker_thread+0x798/0xbd0 kernel/workqueue.c:3478
 kthread+0x304/0x3d4 kernel/kthread.c:436
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842