BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 1 PID: 6569 Comm: kworker/u4:15 Not tainted 5.15.189-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: cfg80211 __cfg80211_scan_done Call trace: dump_backtrace+0x0/0x43c arch/arm64/kernel/stacktrace.c:152 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216 __dump_stack+0x30/0x40 lib/dump_stack.c:88 dump_stack_lvl+0xf8/0x160 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:3735 [inline] validate_chain kernel/locking/lockdep.c:3756 [inline] __lock_acquire+0x1b30/0x651c kernel/locking/lockdep.c:5012 lock_acquire+0x1f4/0x620 kernel/locking/lockdep.c:5623 local_lock_acquire+0x44/0x14c include/linux/local_lock_internal.h:29 rmqueue_pcplist mm/page_alloc.c:3699 [inline] rmqueue mm/page_alloc.c:3742 [inline] get_page_from_freelist+0x2140/0x2aa8 mm/page_alloc.c:4189 __alloc_pages+0x1a0/0x470 mm/page_alloc.c:5474 alloc_pages+0x34c/0x5c0 mm/mempolicy.c:-1 alloc_slab_page mm/slub.c:1775 [inline] allocate_slab mm/slub.c:1912 [inline] new_slab+0xe0/0x55c mm/slub.c:1975 ___slab_alloc+0x6c0/0xda8 mm/slub.c:3008 __slab_alloc+0x68/0xc0 mm/slub.c:3095 slab_alloc_node mm/slub.c:3186 [inline] __kmalloc_node_track_caller+0x288/0x3bc mm/slub.c:4958 kmalloc_reserve+0xe4/0x26c net/core/skbuff.c:356 __alloc_skb+0x23c/0x67c net/core/skbuff.c:427 alloc_skb include/linux/skbuff.h:1162 [inline] nlmsg_new include/net/netlink.h:953 [inline] wireless_send_event+0x248/0x950 net/wireless/wext-core.c:556 ___cfg80211_scan_done+0x60c/0x8fc net/wireless/scan.c:1064 __cfg80211_scan_done+0x34/0x4c net/wireless/scan.c:1090 process_one_work+0x79c/0x1140 kernel/workqueue.c:2310 worker_thread+0x8f4/0x101c kernel/workqueue.c:2457 kthread+0x374/0x454 kernel/kthread.c:334 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:855