ntfs: (device loop3): ntfs_read_block(): Failed to read from inode 0xa, attribute type 0x80, vcn 0x0, offset 0x0 because its location on disk could not be determined even after retrying (error code -5). ntfs: (device loop3): ntfs_mapping_pairs_decompress(): Corrupt attribute. ntfs: volume version 3.1. ====================================================== WARNING: possible circular locking dependency detected 6.7.0-rc6-syzkaller-gaafe7ad77b91 #0 Not tainted ------------------------------------------------------ syz-executor.3/11603 is trying to acquire lock: ffff0000ded6d410 (&ni->mrec_lock){+.+.}-{3:3}, at: map_mft_record+0x64/0x7b4 fs/ntfs/mft.c:154 but task is already holding lock: ffff0000ded6d380 (&rl->lock){++++}-{3:3}, at: ntfs_prepare_pages_for_non_resident_write fs/ntfs/file.c:873 [inline] ffff0000ded6d380 (&rl->lock){++++}-{3:3}, at: ntfs_perform_write+0x2884/0x82c8 fs/ntfs/file.c:1837 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&rl->lock){++++}-{3:3}: down_read+0x58/0x2fc kernel/locking/rwsem.c:1526 ntfs_read_block fs/ntfs/aops.c:242 [inline] ntfs_read_folio+0xd80/0x1c00 fs/ntfs/aops.c:430 filemap_read_folio+0x14c/0x39c mm/filemap.c:2323 do_read_cache_folio+0x114/0x548 mm/filemap.c:3691 do_read_cache_page mm/filemap.c:3757 [inline] read_cache_page+0x6c/0x15c mm/filemap.c:3766 read_mapping_page include/linux/pagemap.h:871 [inline] ntfs_map_page fs/ntfs/aops.h:75 [inline] ntfs_sync_mft_mirror+0x1cc/0x1890 fs/ntfs/mft.c:480 write_mft_record_nolock+0x100c/0x1630 fs/ntfs/mft.c:787 write_mft_record+0x144/0x1bc fs/ntfs/mft.h:95 __ntfs_write_inode+0x5cc/0xa78 fs/ntfs/inode.c:3052 ntfs_write_inode+0x68/0x90 fs/ntfs/super.c:2664 write_inode fs/fs-writeback.c:1473 [inline] __writeback_single_inode+0x5a8/0x146c fs/fs-writeback.c:1690 writeback_sb_inodes+0x718/0x1010 fs/fs-writeback.c:1916 wb_writeback+0x3f4/0xfc0 fs/fs-writeback.c:2092 wb_do_writeback fs/fs-writeback.c:2239 [inline] wb_workfn+0x37c/0xf9c fs/fs-writeback.c:2279 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 -> #0 (&ni->mrec_lock){+.+.}-{3:3}: check_prev_add kernel/locking/lockdep.c:3134 [inline] check_prevs_add kernel/locking/lockdep.c:3253 [inline] validate_chain kernel/locking/lockdep.c:3869 [inline] __lock_acquire+0x3384/0x763c kernel/locking/lockdep.c:5137 lock_acquire+0x23c/0x71c kernel/locking/lockdep.c:5754 __mutex_lock_common+0x190/0x21a0 kernel/locking/mutex.c:603 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:799 map_mft_record+0x64/0x7b4 fs/ntfs/mft.c:154 ntfs_map_runlist_nolock+0x370/0x12fc fs/ntfs/attrib.c:91 ntfs_prepare_pages_for_non_resident_write fs/ntfs/file.c:877 [inline] ntfs_perform_write+0x26b0/0x82c8 fs/ntfs/file.c:1837 ntfs_file_write_iter+0xf3c/0x1738 fs/ntfs/file.c:1909 do_iter_write+0x654/0xa78 fs/read_write.c:860 vfs_writev fs/read_write.c:933 [inline] do_writev+0x220/0x3ec fs/read_write.c:976 __do_sys_writev fs/read_write.c:1049 [inline] __se_sys_writev fs/read_write.c:1046 [inline] __arm64_sys_writev+0x80/0x94 fs/read_write.c:1046 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&rl->lock); lock(&ni->mrec_lock); lock(&rl->lock); lock(&ni->mrec_lock); *** DEADLOCK *** 4 locks held by syz-executor.3/11603: #0: ffff00011abf14c8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x11c/0x148 fs/file.c:1177 #1: ffff00012721e418 (sb_writers#26){.+.+}-{0:0}, at: vfs_writev fs/read_write.c:932 [inline] #1: ffff00012721e418 (sb_writers#26){.+.+}-{0:0}, at: do_writev+0x20c/0x3ec fs/read_write.c:976 #2: ffff0000ded6d6f0 (&sb->s_type->i_mutex_key#28){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline] #2: ffff0000ded6d6f0 (&sb->s_type->i_mutex_key#28){+.+.}-{3:3}, at: ntfs_file_write_iter+0x7c/0x1738 fs/ntfs/file.c:1905 #3: ffff0000ded6d380 (&rl->lock){++++}-{3:3}, at: ntfs_prepare_pages_for_non_resident_write fs/ntfs/file.c:873 [inline] #3: ffff0000ded6d380 (&rl->lock){++++}-{3:3}, at: ntfs_perform_write+0x2884/0x82c8 fs/ntfs/file.c:1837 stack backtrace: CPU: 1 PID: 11603 Comm: syz-executor.3 Not tainted 6.7.0-rc6-syzkaller-gaafe7ad77b91 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 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 print_circular_bug+0x150/0x1b8 kernel/locking/lockdep.c:2060 check_noncircular+0x310/0x404 kernel/locking/lockdep.c:2187 check_prev_add kernel/locking/lockdep.c:3134 [inline] check_prevs_add kernel/locking/lockdep.c:3253 [inline] validate_chain kernel/locking/lockdep.c:3869 [inline] __lock_acquire+0x3384/0x763c kernel/locking/lockdep.c:5137 lock_acquire+0x23c/0x71c kernel/locking/lockdep.c:5754 __mutex_lock_common+0x190/0x21a0 kernel/locking/mutex.c:603 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:799 map_mft_record+0x64/0x7b4 fs/ntfs/mft.c:154 ntfs_map_runlist_nolock+0x370/0x12fc fs/ntfs/attrib.c:91 ntfs_prepare_pages_for_non_resident_write fs/ntfs/file.c:877 [inline] ntfs_perform_write+0x26b0/0x82c8 fs/ntfs/file.c:1837 ntfs_file_write_iter+0xf3c/0x1738 fs/ntfs/file.c:1909 do_iter_write+0x654/0xa78 fs/read_write.c:860 vfs_writev fs/read_write.c:933 [inline] do_writev+0x220/0x3ec fs/read_write.c:976 __do_sys_writev fs/read_write.c:1049 [inline] __se_sys_writev fs/read_write.c:1046 [inline] __arm64_sys_writev+0x80/0x94 fs/read_write.c:1046 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595