BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 1 PID: 11 Comm: kworker/u4:0 Not tainted 6.7.0-rc6-syzkaller-gaafe7ad77b91 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 Workqueue: xfs_iwalk-13535 xfs_pwork_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:291 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:298 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106 dump_stack+0x1c/0x28 lib/dump_stack.c:113 lookup_chain_cache_add kernel/locking/lockdep.c:3816 [inline] validate_chain kernel/locking/lockdep.c:3837 [inline] __lock_acquire+0x1c58/0x763c kernel/locking/lockdep.c:5137 lock_acquire+0x23c/0x71c kernel/locking/lockdep.c:5754 fs_reclaim_acquire+0xb0/0x120 mm/page_alloc.c:3710 might_alloc include/linux/sched/mm.h:303 [inline] slab_pre_alloc_hook mm/slab.h:710 [inline] slab_alloc_node mm/slub.c:3460 [inline] slab_alloc mm/slub.c:3486 [inline] __kmem_cache_alloc_lru mm/slub.c:3493 [inline] kmem_cache_alloc+0x58/0x410 mm/slub.c:3502 kmem_cache_zalloc include/linux/slab.h:711 [inline] xfs_btree_alloc_cursor fs/xfs/libxfs/xfs_btree.h:725 [inline] xfs_inobt_init_common fs/xfs/libxfs/xfs_ialloc_btree.c:457 [inline] xfs_inobt_init_cursor fs/xfs/libxfs/xfs_ialloc_btree.c:485 [inline] xfs_inobt_cur+0xec/0x390 fs/xfs/libxfs/xfs_ialloc_btree.c:743 xfs_iwalk_ag_start+0xb8/0x4b4 fs/xfs/xfs_iwalk.c:278 xfs_iwalk_ag+0x1a8/0x9b0 fs/xfs/xfs_iwalk.c:417 xfs_iwalk_ag_work+0x10c/0x1a8 fs/xfs/xfs_iwalk.c:624 xfs_pwork_work+0x80/0x1a4 fs/xfs/xfs_pwork.c:47 process_one_work+0x694/0x1204 kernel/workqueue.c:2627 process_scheduled_works kernel/workqueue.c:2700 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:2781 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:857