BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 0 PID: 4414 Comm: kworker/0:3 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026
Workqueue: wg-kex-wg1 wg_packet_handshake_receive_worker
Call trace:
 dump_backtrace+0x1c0/0x1ec 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+0xf4/0x15c 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+0x1864/0x6800 kernel/locking/lockdep.c:5049
 lock_acquire+0x20c/0x63c kernel/locking/lockdep.c:5662
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x6c/0xb0 kernel/locking/spinlock.c:162
 debug_object_activate+0x80/0x4b8 lib/debugobjects.c:698
 debug_rcu_head_queue kernel/rcu/rcu.h:190 [inline]
 call_rcu+0x54/0x94c kernel/rcu/tree.c:2834
 keypair_free_kref drivers/net/wireguard/noise.c:128 [inline]
 kref_put include/linux/kref.h:65 [inline]
 wg_noise_keypair_put+0xdc/0x2a4 drivers/net/wireguard/noise.c:139
 add_new_keypair drivers/net/wireguard/noise.c:237 [inline]
 wg_noise_handshake_begin_session+0x598/0x9a0 drivers/net/wireguard/noise.c:845
 wg_receive_handshake_packet drivers/net/wireguard/receive.c:176 [inline]
 wg_packet_handshake_receive_worker+0x5a8/0xcf8 drivers/net/wireguard/receive.c:213
 process_one_work+0x7f8/0x13a4 kernel/workqueue.c:2292
 worker_thread+0x8c4/0xfec kernel/workqueue.c:2439
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850