ntfs: (device loop5): ntfs_read_block(): Failed to read from inode 0xa, attribute type 0x80, vcn 0x1, offset 0x200 because its location on disk could not be determined even after retrying (error code -5).
ntfs: volume version 3.1.
BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 1 PID: 9865 Comm: syz.5.781 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
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
 do_write_seqcount_begin_nested include/linux/seqlock.h:515 [inline]
 do_write_seqcount_begin include/linux/seqlock.h:541 [inline]
 psi_account_irqtime+0x320/0x7b4 kernel/sched/psi.c:1035
 __schedule+0x784/0x1b0c kernel/sched/core.c:6556
 preempt_schedule_common+0xec/0x1a0 kernel/sched/core.c:6731
 preempt_schedule+0x64/0x84 kernel/sched/core.c:6755
 __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
 _raw_spin_unlock_irq+0x8c/0x90 kernel/locking/spinlock.c:202
 spin_unlock_irq include/linux/spinlock.h:401 [inline]
 loop_queue_work drivers/block/loop.c:894 [inline]
 loop_queue_rq+0x954/0xa7c drivers/block/loop.c:1874
 __blk_mq_issue_directly block/blk-mq.c:2643 [inline]
 __blk_mq_try_issue_directly+0x408/0x67c block/blk-mq.c:2696
 blk_mq_try_issue_directly+0x3c/0x1d8 block/blk-mq.c:2720
 blk_mq_submit_bio+0xff4/0x1be0 block/blk-mq.c:3057
 __submit_bio+0x1d8/0x260 block/blk-core.c:591
 __submit_bio_noacct_mq block/blk-core.c:668 [inline]
 submit_bio_noacct_nocheck+0x654/0xa14 block/blk-core.c:697
 submit_bio_noacct+0xcc0/0x16bc block/blk-core.c:808
 submit_bio+0x29c/0x3d0 block/blk-core.c:853
 submit_bh_wbc+0x384/0x44c fs/buffer.c:2702
 submit_bh+0x2c/0x3c fs/buffer.c:2707
 ntfs_read_block fs/ntfs/aops.c:345 [inline]
 ntfs_read_folio+0x17ec/0x1d3c fs/ntfs/aops.c:436
 filemap_read_folio+0x134/0x384 mm/filemap.c:2490
 do_read_cache_folio+0x24c/0x538 mm/filemap.c:3659
 do_read_cache_page mm/filemap.c:3701 [inline]
 read_cache_page+0x6c/0x184 mm/filemap.c:3710
 read_mapping_page include/linux/pagemap.h:793 [inline]
 ntfs_map_page fs/ntfs/aops.h:75 [inline]
 ntfs_cluster_alloc+0x520/0x1bb4 fs/ntfs/lcnalloc.c:271
 ntfs_attr_extend_allocation+0x12f4/0x33d4 fs/ntfs/attrib.c:2229
 ntfs_prepare_file_for_write fs/ntfs/file.c:391 [inline]
 ntfs_file_write_iter+0x2c8/0x17d0 fs/ntfs/file.c:1915
 call_write_iter include/linux/fs.h:2265 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x3ec/0x7f0 fs/read_write.c:584
 ksys_pwrite64 fs/read_write.c:699 [inline]
 __do_sys_pwrite64 fs/read_write.c:709 [inline]
 __se_sys_pwrite64 fs/read_write.c:706 [inline]
 __arm64_sys_pwrite64+0x174/0x20c fs/read_write.c:706
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585