ntfs3: loop2: Different NTFS' sector size (4096) and media sector size (512) ntfs3: loop2: Inode r=19 is not in use! ntfs3: loop2: Mark volume as dirty due to NTFS errors ====================================================== WARNING: possible circular locking dependency detected 6.1.113-syzkaller #0 Not tainted ------------------------------------------------------ syz.2.736/6945 is trying to acquire lock: ffff0000f2781720 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1101 [inline] ffff0000f2781720 (&ni->ni_lock/4){+.+.}-{3:3}, at: mi_read+0x26c/0x4d8 fs/ntfs3/record.c:148 but task is already holding lock: ffff0000f2786fa0 (&ni->ni_lock){+.+.}-{3:3}, at: ni_trylock fs/ntfs3/ntfs_fs.h:1116 [inline] ffff0000f2786fa0 (&ni->ni_lock){+.+.}-{3:3}, at: ni_write_inode+0x12c/0xe3c fs/ntfs3/frecord.c:3318 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&ni->ni_lock){+.+.}-{3:3}: __mutex_lock_common+0x190/0x21a0 kernel/locking/mutex.c:603 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 ntfs_set_state+0x1a4/0x584 fs/ntfs3/fsntfs.c:920 ntfs_bad_inode+0x88/0x9c fs/ntfs3/fsntfs.c:885 attr_set_size+0x280c/0x346c fs/ntfs3/attrib.c:884 ntfs_set_ea+0x7ac/0x1280 fs/ntfs3/xattr.c:458 ntfs_save_wsl_perm+0x118/0x418 fs/ntfs3/xattr.c:976 ntfs3_setattr+0x410/0x974 fs/ntfs3/file.c:816 notify_change+0xb58/0xe1c fs/attr.c:499 chmod_common+0x23c/0x418 fs/open.c:606 vfs_fchmod fs/open.c:622 [inline] __do_sys_fchmod fs/open.c:631 [inline] __se_sys_fchmod fs/open.c:625 [inline] __arm64_sys_fchmod+0xe0/0x150 fs/open.c:625 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 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 -> #0 (&ni->ni_lock/4){+.+.}-{3:3}: check_prev_add kernel/locking/lockdep.c:3090 [inline] check_prevs_add kernel/locking/lockdep.c:3209 [inline] validate_chain kernel/locking/lockdep.c:3825 [inline] __lock_acquire+0x3338/0x7680 kernel/locking/lockdep.c:5049 lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5662 __mutex_lock_common+0x190/0x21a0 kernel/locking/mutex.c:603 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 ni_lock fs/ntfs3/ntfs_fs.h:1101 [inline] mi_read+0x26c/0x4d8 fs/ntfs3/record.c:148 ntfs_read_mft fs/ntfs3/inode.c:69 [inline] ntfs_iget5+0x360/0x2be8 fs/ntfs3/inode.c:525 ni_update_parent+0x6f0/0xac8 fs/ntfs3/frecord.c:3274 ni_write_inode+0x8a0/0xe3c fs/ntfs3/frecord.c:3372 ntfs3_write_inode+0x70/0x98 fs/ntfs3/inode.c:1031 write_inode fs/fs-writeback.c:1460 [inline] __writeback_single_inode+0x614/0x1770 fs/fs-writeback.c:1677 writeback_single_inode+0x1c0/0x79c fs/fs-writeback.c:1733 write_inode_now+0x198/0x230 fs/fs-writeback.c:2769 ntfs_extend+0x310/0x408 fs/ntfs3/file.c:453 ntfs_file_write_iter+0x2a0/0x580 fs/ntfs3/file.c:1160 call_write_iter include/linux/fs.h:2265 [inline] aio_write+0x588/0x824 fs/aio.c:1615 io_submit_one+0x824/0x15b8 fs/aio.c:2034 __do_sys_io_submit fs/aio.c:2093 [inline] __se_sys_io_submit fs/aio.c:2063 [inline] __arm64_sys_io_submit+0x248/0x3c8 fs/aio.c:2063 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 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 other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ni->ni_lock); lock(&ni->ni_lock/4); lock(&ni->ni_lock); lock(&ni->ni_lock/4); *** DEADLOCK *** 2 locks held by syz.2.736/6945: #0: ffff0000f2787240 (&sb->s_type->i_mutex_key#33){+.+.}-{3:3}, at: inode_trylock include/linux/fs.h:778 [inline] #0: ffff0000f2787240 (&sb->s_type->i_mutex_key#33){+.+.}-{3:3}, at: ntfs_file_write_iter+0x190/0x580 fs/ntfs3/file.c:1144 #1: ffff0000f2786fa0 (&ni->ni_lock){+.+.}-{3:3}, at: ni_trylock fs/ntfs3/ntfs_fs.h:1116 [inline] #1: ffff0000f2786fa0 (&ni->ni_lock){+.+.}-{3:3}, at: ni_write_inode+0x12c/0xe3c fs/ntfs3/frecord.c:3318 stack backtrace: CPU: 1 PID: 6945 Comm: syz.2.736 Not tainted 6.1.113-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x5c lib/dump_stack.c:113 print_circular_bug+0x150/0x1b8 kernel/locking/lockdep.c:2048 check_noncircular+0x2cc/0x378 kernel/locking/lockdep.c:2170 check_prev_add kernel/locking/lockdep.c:3090 [inline] check_prevs_add kernel/locking/lockdep.c:3209 [inline] validate_chain kernel/locking/lockdep.c:3825 [inline] __lock_acquire+0x3338/0x7680 kernel/locking/lockdep.c:5049 lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5662 __mutex_lock_common+0x190/0x21a0 kernel/locking/mutex.c:603 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 ni_lock fs/ntfs3/ntfs_fs.h:1101 [inline] mi_read+0x26c/0x4d8 fs/ntfs3/record.c:148 ntfs_read_mft fs/ntfs3/inode.c:69 [inline] ntfs_iget5+0x360/0x2be8 fs/ntfs3/inode.c:525 ni_update_parent+0x6f0/0xac8 fs/ntfs3/frecord.c:3274 ni_write_inode+0x8a0/0xe3c fs/ntfs3/frecord.c:3372 ntfs3_write_inode+0x70/0x98 fs/ntfs3/inode.c:1031 write_inode fs/fs-writeback.c:1460 [inline] __writeback_single_inode+0x614/0x1770 fs/fs-writeback.c:1677 writeback_single_inode+0x1c0/0x79c fs/fs-writeback.c:1733 write_inode_now+0x198/0x230 fs/fs-writeback.c:2769 ntfs_extend+0x310/0x408 fs/ntfs3/file.c:453 ntfs_file_write_iter+0x2a0/0x580 fs/ntfs3/file.c:1160 call_write_iter include/linux/fs.h:2265 [inline] aio_write+0x588/0x824 fs/aio.c:1615 io_submit_one+0x824/0x15b8 fs/aio.c:2034 __do_sys_io_submit fs/aio.c:2093 [inline] __se_sys_io_submit fs/aio.c:2063 [inline] __arm64_sys_io_submit+0x248/0x3c8 fs/aio.c:2063 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 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 ntfs3: loop2: ino=1d, "file1" failed to open parent directory r=400 to update ntfs3: loop2: ino=1d, "file1" failed to open parent directory r=400 to update