BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 1 PID: 3990 Comm: dhcpcd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
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
 swake_up_one+0x2c/0x134 kernel/sched/swait.c:51
 swake_up_one_online+0xe8/0x1e0 kernel/rcu/tree.c:1082
 rcu_gp_kthread_wake kernel/rcu/tree.c:1110 [inline]
 rcu_report_qs_rsp+0x234/0x36c kernel/rcu/tree.c:1931
 rcu_report_unblock_qs_rnp kernel/rcu/tree.c:2035 [inline]
 rcu_preempt_deferred_qs_irqrestore+0x988/0xd3c kernel/rcu/tree_plugin.h:557
 rcu_read_unlock_special+0xac/0x478 kernel/rcu/tree_plugin.h:684
 __rcu_read_unlock+0xa4/0x108 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:823 [inline]
 unix_write_space+0x2b4/0x34c net/unix/af_unix.c:531
 sock_wfree+0x168/0x5c8 net/core/sock.c:2452
 unix_destruct_scm+0x130/0x184 net/unix/af_unix.c:1795
 skb_release_head_state+0x108/0x288 net/core/skbuff.c:843
 skb_release_all net/core/skbuff.c:854 [inline]
 __kfree_skb net/core/skbuff.c:870 [inline]
 consume_skb+0x74/0x104 net/core/skbuff.c:1035
 skb_free_datagram+0x20/0x30 net/core/datagram.c:322
 __unix_dgram_recvmsg+0x7d0/0xb04 net/unix/af_unix.c:2531
 unix_dgram_recvmsg net/unix/af_unix.c:2548 [inline]
 unix_seqpacket_recvmsg+0x110/0x134 net/unix/af_unix.c:2417
 sock_recvmsg_nosec net/socket.c:1022 [inline]
 sock_recvmsg net/socket.c:1040 [inline]
 sock_read_iter+0x268/0x320 net/socket.c:1121
 call_read_iter include/linux/fs.h:2259 [inline]
 new_sync_read fs/read_write.c:389 [inline]
 vfs_read+0x3d4/0x7f0 fs/read_write.c:470
 ksys_read+0x12c/0x224 fs/read_write.c:613
 __do_sys_read fs/read_write.c:623 [inline]
 __se_sys_read fs/read_write.c:621 [inline]
 __arm64_sys_read+0x7c/0x90 fs/read_write.c:621
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585