00000060: 00 00 00 00 00 00 00 00 00 00 00 03 00 00 00 02 ................ 00000070: ff ff ff ff ff ff ff fa 00 00 00 00 00 00 00 00 ................ XFS (loop5): metadata I/O error in "xfs_btree_read_buf_block+0x1f8/0x380" at daddr 0x14 len 4 error 74 BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! turning off the locking correctness validator. CPU: 1 UID: 0 PID: 9618 Comm: syz.5.340 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C) __dump_stack+0x30/0x40 lib/dump_stack.c:94 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 add_chain_cache kernel/locking/lockdep.c:-1 [inline] lookup_chain_cache_add kernel/locking/lockdep.c:3855 [inline] validate_chain kernel/locking/lockdep.c:3876 [inline] __lock_acquire+0xf9c/0x30a4 kernel/locking/lockdep.c:5237 lock_acquire+0x14c/0x2e0 kernel/locking/lockdep.c:5868 do_write_seqcount_begin_nested include/linux/seqlock.h:477 [inline] do_write_seqcount_begin include/linux/seqlock.h:503 [inline] psi_write_begin+0x1b0/0x320 kernel/sched/psi.c:183 psi_task_change+0xd8/0x318 kernel/sched/psi.c:919 psi_enqueue kernel/sched/stats.h:166 [inline] enqueue_task+0x250/0x2f4 kernel/sched/core.c:2094 activate_task kernel/sched/core.c:2134 [inline] ttwu_do_activate+0x1a4/0x764 kernel/sched/core.c:3706 ttwu_queue kernel/sched/core.c:3969 [inline] try_to_wake_up+0x4c4/0xe24 kernel/sched/core.c:4293 wake_up_process+0x18/0x24 kernel/sched/core.c:4424 kick_pool+0x3e0/0x58c kernel/workqueue.c:1285 __queue_work+0xdbc/0x1210 kernel/workqueue.c:2342 queue_work_on+0xdc/0x18c kernel/workqueue.c:2392 queue_work include/linux/workqueue.h:669 [inline] xlog_cil_push_now fs/xfs/xfs_log_cil.c:1660 [inline] xlog_cil_force_seq+0x230/0x608 fs/xfs/xfs_log_cil.c:1838 xlog_cil_force fs/xfs/xfs_log_priv.h:569 [inline] xfs_log_force+0x1cc/0x94c fs/xfs/xfs_log.c:2896 xlog_force_shutdown+0xe4/0x3e4 fs/xfs/xfs_log.c:3463 xfs_do_force_shutdown+0x234/0x678 fs/xfs/xfs_fsops.c:517 xfs_trans_read_buf_map+0x4c8/0x964 fs/xfs/xfs_trans_buf.c:311 xfs_trans_read_buf fs/xfs/xfs_trans.h:210 [inline] xfs_btree_read_buf_block+0x1f8/0x380 fs/xfs/libxfs/xfs_btree.c:1402 xfs_btree_lookup_get_block+0x238/0x44c fs/xfs/libxfs/xfs_btree.c:1907 xfs_btree_lookup+0x3f0/0x1128 fs/xfs/libxfs/xfs_btree.c:2018 xfs_rmap_lookup_le fs/xfs/libxfs/xfs_rmap.c:56 [inline] xfs_rmap_map+0x21c/0xb34 fs/xfs/libxfs/xfs_rmap.c:1053 __xfs_rmap_finish_intent+0x16c/0x190 fs/xfs/libxfs/xfs_rmap.c:2612 xfs_rmap_finish_one+0x438/0x6cc fs/xfs/libxfs/xfs_rmap.c:2719 xfs_rmap_update_finish_item+0x34/0x58 fs/xfs/xfs_rmap_item.c:437 xfs_defer_finish_one+0x4fc/0xcd4 fs/xfs/libxfs/xfs_defer.c:595 xfs_defer_finish_noroll+0x8b4/0x12e8 fs/xfs/libxfs/xfs_defer.c:707 xfs_trans_commit+0x104/0x1c4 fs/xfs/xfs_trans.c:921 xfs_bmapi_convert_one_delalloc fs/xfs/libxfs/xfs_bmap.c:4470 [inline] xfs_bmapi_convert_delalloc+0xe6c/0x124c fs/xfs/libxfs/xfs_bmap.c:4503 xfs_map_blocks fs/xfs/xfs_aops.c:445 [inline] xfs_writeback_range+0x4d8/0xe30 fs/xfs/xfs_aops.c:489 iomap_writeback_range fs/iomap/buffered-io.c:1593 [inline] iomap_writeback_folio+0xee4/0x1c74 fs/iomap/buffered-io.c:1718 iomap_writepages+0x128/0x25c fs/iomap/buffered-io.c:1770 xfs_vm_writepages+0x21c/0x29c fs/xfs/xfs_aops.c:701 do_writepages+0x270/0x468 mm/page-writeback.c:2604 filemap_fdatawrite_wbc mm/filemap.c:389 [inline] __filemap_fdatawrite_range mm/filemap.c:422 [inline] filemap_write_and_wait_range+0x1b4/0x2a8 mm/filemap.c:694 __generic_remap_file_range_prep+0x790/0xa2c fs/remap_range.c:324 generic_remap_file_range_prep+0x54/0x6c fs/remap_range.c:371 xfs_reflink_remap_prep+0x220/0x5e4 fs/xfs/xfs_reflink.c:1682 xfs_file_remap_range+0x1f8/0x748 fs/xfs/xfs_file.c:1502 vfs_copy_file_range+0xbc4/0x10f8 fs/read_write.c:1598 __do_sys_copy_file_range fs/read_write.c:1681 [inline] __se_sys_copy_file_range fs/read_write.c:1648 [inline] __arm64_sys_copy_file_range+0x308/0x5d4 fs/read_write.c:1648 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x254 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+0x5c/0x254 arch/arm64/kernel/entry-common.c:746 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:765 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 XFS (loop5): Metadata I/O Error (0x1) detected at xfs_trans_read_buf_map+0x4c8/0x964 fs/xfs/xfs_trans_buf.c:311 (fs/xfs/xfs_trans_buf.c:311). Shutting down filesystem. XFS (loop5): Please unmount the filesystem and rectify the problem(s)