XFS (loop4): Ending clean mount XFS (loop4): Quotacheck needed: Please wait. XFS (loop4): Quotacheck: Done. BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! turning off the locking correctness validator. CPU: 1 UID: 0 PID: 8960 Comm: syz.4.430 Not tainted 6.14.0-rc6-syzkaller-g78e3fd2b7e4b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C) __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 lookup_chain_cache_add kernel/locking/lockdep.c:3853 [inline] validate_chain kernel/locking/lockdep.c:3874 [inline] __lock_acquire+0x2070/0x7904 kernel/locking/lockdep.c:5228 lock_acquire+0x23c/0x724 kernel/locking/lockdep.c:5851 do_write_seqcount_begin_nested include/linux/seqlock.h:477 [inline] do_write_seqcount_begin include/linux/seqlock.h:503 [inline] psi_group_change+0x270/0x11d8 kernel/sched/psi.c:792 psi_task_change+0xf4/0x228 kernel/sched/psi.c:912 psi_enqueue kernel/sched/stats.h:166 [inline] enqueue_task+0x21c/0x2b8 kernel/sched/core.c:2077 activate_task kernel/sched/core.c:2117 [inline] ttwu_do_activate+0x1a0/0x684 kernel/sched/core.c:3729 ttwu_queue kernel/sched/core.c:4002 [inline] try_to_wake_up+0x57c/0x1030 kernel/sched/core.c:4330 wake_up_process+0x18/0x24 kernel/sched/core.c:4463 kick_pool+0x3f0/0x59c kernel/workqueue.c:1279 __queue_work+0xe3c/0x1324 kernel/workqueue.c:2342 queue_work_on+0xe0/0x1a0 kernel/workqueue.c:2392 queue_work include/linux/workqueue.h:662 [inline] loop_queue_work drivers/block/loop.c:897 [inline] loop_queue_rq+0x974/0xafc drivers/block/loop.c:1896 __blk_mq_issue_directly block/blk-mq.c:2691 [inline] blk_mq_request_issue_directly+0x2dc/0x5a0 block/blk-mq.c:2778 blk_mq_plug_issue_direct+0x264/0x548 block/blk-mq.c:2799 blk_mq_flush_plug_list+0x654/0x13ac block/blk-mq.c:2910 __blk_flush_plug+0x388/0x460 block/blk-core.c:1213 blk_finish_plug+0x68/0x90 block/blk-core.c:1240 xfs_buf_submit_bio fs/xfs/xfs_buf.c:1505 [inline] xfs_buf_submit+0x7b0/0xc44 fs/xfs/xfs_buf.c:1611 _xfs_buf_read fs/xfs/xfs_buf.c:745 [inline] xfs_buf_read_map+0x374/0xab4 fs/xfs/xfs_buf.c:812 xfs_trans_read_buf_map+0x20c/0xae8 fs/xfs/xfs_trans_buf.c:304 xfs_trans_read_buf fs/xfs/xfs_trans.h:212 [inline] xfs_btree_read_buf_block+0x274/0x434 fs/xfs/libxfs/xfs_btree.c:1402 xfs_btree_lookup_get_block+0x2a8/0x500 fs/xfs/libxfs/xfs_btree.c:1907 xfs_btree_lookup+0x438/0x12d4 fs/xfs/libxfs/xfs_btree.c:2018 xfs_refcount_lookup_le fs/xfs/libxfs/xfs_refcount.c:64 [inline] xfs_refcount_split_extent+0x164/0x9b4 fs/xfs/libxfs/xfs_refcount.c:434 xfs_refcount_adjust+0x268/0xbe4 fs/xfs/libxfs/xfs_refcount.c:1311 xfs_refcount_finish_one+0x3a4/0x738 fs/xfs/libxfs/xfs_refcount.c:1438 xfs_refcount_update_finish_item+0x34/0xd0 fs/xfs/xfs_refcount_item.c:403 xfs_defer_finish_one+0x524/0xda4 fs/xfs/libxfs/xfs_defer.c:595 xfs_defer_finish_noroll+0x99c/0x156c fs/xfs/libxfs/xfs_defer.c:707 xfs_trans_commit+0x154/0x228 fs/xfs/xfs_trans.c:947 xfs_reflink_remap_extent+0xdac/0x145c fs/xfs/xfs_reflink.c:1434 xfs_reflink_remap_blocks+0x43c/0xe98 fs/xfs/xfs_reflink.c:1501 xfs_file_remap_range+0x36c/0x86c fs/xfs/xfs_file.c:1217 vfs_copy_file_range+0xac8/0xfe0 fs/read_write.c:1584 __do_sys_copy_file_range fs/read_write.c:1670 [inline] __se_sys_copy_file_range fs/read_write.c:1637 [inline] __arm64_sys_copy_file_range+0x4a4/0x950 fs/read_write.c:1637 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600