BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 0 PID: 8727 Comm: dhcpcd-run-hook Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026
Call trace:
 dump_backtrace+0x1c4/0x1f0 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+0x1810/0x6610 kernel/locking/lockdep.c:5049
 lock_acquire+0x20c/0x638 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/0x13c 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+0x98c/0xd3c kernel/rcu/tree_plugin.h:557
 rcu_preempt_deferred_qs kernel/rcu/tree_plugin.h:607 [inline]
 rcu_note_context_switch+0x25c/0x1074 kernel/rcu/tree_plugin.h:344
 __schedule+0x2a8/0x1a6c kernel/sched/core.c:6461
 preempt_schedule_common+0xec/0x1a0 kernel/sched/core.c:6731
 preempt_schedule+0x64/0x84 kernel/sched/core.c:6755
 __bit_spin_unlock include/linux/bit_spinlock.h:82 [inline]
 hlist_bl_unlock include/linux/list_bl.h:153 [inline]
 d_alloc_parallel+0x10b4/0x1178 fs/dcache.c:2741
 __lookup_slow+0x114/0x38c fs/namei.c:1683
 lookup_slow+0x60/0x84 fs/namei.c:1715
 walk_component+0x278/0x374 fs/namei.c:2006
 lookup_last fs/namei.c:2463 [inline]
 path_lookupat+0x168/0x3f0 fs/namei.c:2487
 filename_lookup+0x1d4/0x490 fs/namei.c:2516
 vfs_statx+0xf8/0x5a0 fs/stat.c:229
 vfs_fstatat fs/stat.c:267 [inline]
 __do_sys_newfstatat fs/stat.c:437 [inline]
 __se_sys_newfstatat fs/stat.c:431 [inline]
 __arm64_sys_newfstatat+0x14c/0x1f4 fs/stat.c:431
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 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