BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 1 PID: 40 Comm: kworker/u4:2 Not tainted 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 Workqueue: xfs_iwalk-15488 xfs_pwork_work Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240 __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:3815 [inline] validate_chain kernel/locking/lockdep.c:3836 [inline] __lock_acquire+0x1c60/0x75e8 kernel/locking/lockdep.c:5136 lock_acquire+0x23c/0x71c kernel/locking/lockdep.c:5753 percpu_down_read include/linux/percpu-rwsem.h:51 [inline] __sb_start_write include/linux/fs.h:1571 [inline] sb_start_intwrite include/linux/fs.h:1693 [inline] xfs_trans_alloc+0xe8/0x938 fs/xfs/xfs_trans.c:263 xfs_dquot_disk_alloc+0x2f0/0xc14 fs/xfs/xfs_dquot.c:303 xfs_qm_dqread+0x194/0x6f4 fs/xfs/xfs_dquot.c:665 xfs_qm_dqget+0x1fc/0x834 fs/xfs/xfs_dquot.c:869 xfs_qm_quotacheck_dqadjust+0xe0/0x694 fs/xfs/xfs_qm.c:1085 xfs_qm_dqusage_adjust+0x578/0x654 fs/xfs/xfs_qm.c:1218 xfs_iwalk_ag_recs+0x42c/0x834 fs/xfs/xfs_iwalk.c:220 xfs_iwalk_run_callbacks+0x1bc/0x3a0 fs/xfs/xfs_iwalk.c:376 xfs_iwalk_ag+0x8d4/0x9b0 fs/xfs/xfs_iwalk.c:482 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:2630 process_scheduled_works kernel/workqueue.c:2703 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:2784 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:857