BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! turning off the locking correctness validator. CPU: 1 PID: 4530 Comm: kworker/1:16 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 Workqueue: xfs-conv/loop1 xfs_end_io 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 fs_reclaim_acquire+0xc4/0x124 mm/page_alloc.c:4736 might_alloc include/linux/sched/mm.h:271 [inline] slab_pre_alloc_hook mm/slab.h:710 [inline] slab_alloc_node mm/slub.c:3279 [inline] slab_alloc mm/slub.c:3367 [inline] __kmem_cache_alloc_lru mm/slub.c:3374 [inline] kmem_cache_alloc+0x60/0x308 mm/slub.c:3383 kmem_cache_zalloc include/linux/slab.h:689 [inline] xfs_trans_alloc_dqinfo+0x50/0x80 fs/xfs/xfs_trans_dquot.c:847 xfs_trans_mod_dquot+0x88/0xafc fs/xfs/xfs_trans_dquot.c:201 xfs_trans_dqresv+0x310/0x8a8 fs/xfs/xfs_trans_dquot.c:688 xfs_trans_reserve_quota_bydquots+0xa8/0x1f8 fs/xfs/xfs_trans_dquot.c:744 xfs_trans_reserve_quota_nblks+0x128/0x268 fs/xfs/xfs_trans_dquot.c:805 xfs_trans_alloc_inode+0x184/0x330 fs/xfs/xfs_trans.c:1206 xfs_iomap_write_unwritten+0x2e8/0xa14 fs/xfs/xfs_iomap.c:582 xfs_end_ioend+0x1bc/0x3c8 fs/xfs/xfs_aops.c:129 xfs_end_io+0x200/0x288 fs/xfs/xfs_aops.c:171 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