cfg80211: failed to load regulatory.db BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: events reg_todo 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+0xf9c/0x30a4 kernel/locking/lockdep.c:5237 lock_acquire+0x14c/0x2e0 kernel/locking/lockdep.c:5868 _raw_spin_lock_nested+0x50/0x6c kernel/locking/spinlock.c:378 raw_spin_rq_lock_nested kernel/sched/core.c:636 [inline] raw_spin_rq_lock kernel/sched/sched.h:1519 [inline] rq_lock kernel/sched/sched.h:1841 [inline] __schedule+0x338/0x2864 kernel/sched/core.c:6865 preempt_schedule_irq+0x80/0x188 kernel/sched/core.c:7288 arm64_preempt_schedule_irq+0x44/0x58 arch/arm64/kernel/entry-common.c:305 __el1_irq arch/arm64/kernel/entry-common.c:656 [inline] el1_interrupt+0x3c/0x54 arch/arm64/kernel/entry-common.c:668 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:673 el1h_64_irq+0x6c/0x70 arch/arm64/kernel/entry.S:592 __daif_local_irq_restore arch/arm64/include/asm/irqflags.h:175 [inline] (P) arch_local_irq_restore arch/arm64/include/asm/irqflags.h:195 [inline] (P) lock_acquire+0x178/0x2e0 kernel/locking/lockdep.c:5871 (P) __fs_reclaim_acquire mm/page_alloc.c:4234 [inline] fs_reclaim_acquire+0x8c/0x118 mm/page_alloc.c:4248 might_alloc include/linux/sched/mm.h:318 [inline] slab_pre_alloc_hook mm/slub.c:4131 [inline] slab_alloc_node mm/slub.c:4209 [inline] kmem_cache_alloc_node_noprof+0x60/0x3f4 mm/slub.c:4281 __alloc_skb+0x144/0x2ec net/core/skbuff.c:659 alloc_skb include/linux/skbuff.h:1336 [inline] alloc_uevent_skb+0x78/0x1e0 lib/kobject_uevent.c:289 uevent_net_broadcast_untagged lib/kobject_uevent.c:326 [inline] kobject_uevent_net_broadcast+0x2d4/0x548 lib/kobject_uevent.c:410 kobject_uevent_env+0x528/0x884 lib/kobject_uevent.c:608 call_crda net/wireless/reg.c:586 [inline] reg_query_database+0x270/0x468 net/wireless/reg.c:1129 reg_process_hint_core net/wireless/reg.c:2695 [inline] reg_process_hint+0x154/0xd54 net/wireless/reg.c:3041 reg_process_pending_hints net/wireless/reg.c:3129 [inline] reg_todo+0x310/0x968 net/wireless/reg.c:3220 process_one_work+0x7e8/0x155c kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3400 kthread+0x5fc/0x75c kernel/kthread.c:463 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844