ntfs3(loop0): Different NTFS sector size (4096) and media sector size (512). ntfs3(loop0): Failed to initialize $Extend/$Reparse. ntfs3(loop0): ino=1b, mi_enum_attr ntfs3(loop0): Mark volume as dirty due to NTFS errors ====================================================== WARNING: possible circular locking dependency detected 6.16.0-syzkaller-04405-g4b290aae788e #0 Tainted: G W ------------------------------------------------------ syz.0.207/7242 is trying to acquire lock: ffff88804cf94750 (&ni->file.run_lock#2){++++}-{4:4}, at: run_unpack_ex+0x7e5/0xba0 fs/ntfs3/run.c:1119 but task is already holding lock: ffff888029dd0250 (&wnd->rw_lock){++++}-{4:4}, at: run_unpack_ex+0x701/0xba0 fs/ntfs3/run.c:1100 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&wnd->rw_lock){++++}-{4:4}: lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868 down_write_nested+0x3e/0x60 kernel/locking/rwsem.c:1691 mark_as_free_ex+0x3e/0x390 fs/ntfs3/fsntfs.c:2464 run_deallocate_ex+0x187/0x2f0 fs/ntfs3/attrib.c:122 attr_set_size+0xeb9/0x2c70 fs/ntfs3/attrib.c:753 ntfs_truncate fs/ntfs3/file.c:456 [inline] ntfs_setattr+0x7d0/0xbe0 fs/ntfs3/file.c:778 notify_change+0xb34/0xe60 fs/attr.c:552 do_truncate+0x1a4/0x220 fs/open.c:68 vfs_truncate+0x493/0x520 fs/open.c:118 do_sys_truncate+0xdb/0x190 fs/open.c:141 __do_sys_truncate fs/open.c:153 [inline] __se_sys_truncate fs/open.c:151 [inline] __x64_sys_truncate+0x5b/0x70 fs/open.c:151 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #0 (&ni->file.run_lock#2){++++}-{4:4}: check_prev_add kernel/locking/lockdep.c:3165 [inline] check_prevs_add kernel/locking/lockdep.c:3284 [inline] validate_chain+0xb9b/0x2140 kernel/locking/lockdep.c:3908 __lock_acquire+0xab9/0xd20 kernel/locking/lockdep.c:5237 lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868 down_read+0x97/0x1f0 kernel/locking/rwsem.c:1522 run_unpack_ex+0x7e5/0xba0 fs/ntfs3/run.c:1119 ntfs_read_mft fs/ntfs3/inode.c:401 [inline] ntfs_iget5+0x232b/0x37c0 fs/ntfs3/inode.c:540 dir_search_u+0x1df/0x2c0 fs/ntfs3/dir.c:264 ntfs_lookup+0xfb/0x1f0 fs/ntfs3/namei.c:85 lookup_one_qstr_excl+0x131/0x360 fs/namei.c:1697 do_unlinkat+0x1df/0x570 fs/namei.c:4638 __do_sys_unlink fs/namei.c:4696 [inline] __se_sys_unlink fs/namei.c:4694 [inline] __x64_sys_unlink+0x47/0x50 fs/namei.c:4694 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&wnd->rw_lock); lock(&ni->file.run_lock#2); lock(&wnd->rw_lock); rlock(&ni->file.run_lock#2); *** DEADLOCK *** 4 locks held by syz.0.207/7242: #0: ffff888029dd2488 (sb_writers#19){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90 fs/namespace.c:557 #1: ffff88805f02aa68 (&type->i_mutex_dir_key#13/1){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:914 [inline] #1: ffff88805f02aa68 (&type->i_mutex_dir_key#13/1){+.+.}-{4:4}, at: do_unlinkat+0x1c7/0x570 fs/namei.c:4637 #2: ffff88805f02a7b0 (&ni->ni_lock#3/6){+.+.}-{4:4}, at: ni_lock_dir fs/ntfs3/ntfs_fs.h:1118 [inline] #2: ffff88805f02a7b0 (&ni->ni_lock#3/6){+.+.}-{4:4}, at: ntfs_lookup+0xee/0x1f0 fs/ntfs3/namei.c:84 #3: ffff888029dd0250 (&wnd->rw_lock){++++}-{4:4}, at: run_unpack_ex+0x701/0xba0 fs/ntfs3/run.c:1100 stack backtrace: CPU: 0 UID: 0 PID: 7242 Comm: syz.0.207 Tainted: G W 6.16.0-syzkaller-04405-g4b290aae788e #0 PREEMPT_{RT,(full)} Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 Call Trace: dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 print_circular_bug+0x2ee/0x310 kernel/locking/lockdep.c:2043 check_noncircular+0x134/0x160 kernel/locking/lockdep.c:2175 check_prev_add kernel/locking/lockdep.c:3165 [inline] check_prevs_add kernel/locking/lockdep.c:3284 [inline] validate_chain+0xb9b/0x2140 kernel/locking/lockdep.c:3908 __lock_acquire+0xab9/0xd20 kernel/locking/lockdep.c:5237 lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868 down_read+0x97/0x1f0 kernel/locking/rwsem.c:1522 run_unpack_ex+0x7e5/0xba0 fs/ntfs3/run.c:1119 ntfs_read_mft fs/ntfs3/inode.c:401 [inline] ntfs_iget5+0x232b/0x37c0 fs/ntfs3/inode.c:540 dir_search_u+0x1df/0x2c0 fs/ntfs3/dir.c:264 ntfs_lookup+0xfb/0x1f0 fs/ntfs3/namei.c:85 lookup_one_qstr_excl+0x131/0x360 fs/namei.c:1697 do_unlinkat+0x1df/0x570 fs/namei.c:4638 __do_sys_unlink fs/namei.c:4696 [inline] __se_sys_unlink fs/namei.c:4694 [inline] __x64_sys_unlink+0x47/0x50 fs/namei.c:4694 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f632d87e9a9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f632b6de038 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 RAX: ffffffffffffffda RBX: 00007f632daa5fa0 RCX: 00007f632d87e9a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000000 RBP: 00007f632d900d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f632daa5fa0 R15: 00007ffdd3d43dd8