============================================
WARNING: possible recursive locking detected
syzkaller #0 Not tainted
--------------------------------------------
syz.2.83/6474 is trying to acquire lock:
ffff88811d439e60 (&ni->ni_lock#2/5){+.+.}-{4:4}, at: mi_read+0x2d4/0x5a0

but task is already holding lock:
ffff88802b2df680 (&ni->ni_lock#2/5){+.+.}-{4:4}, at: ntfs_rename+0x6f7/0xbf0

other info that might help us debug this:
 Possible unsafe locking scenario:

       CPU0
       ----
  lock(&ni->ni_lock#2/5);
  lock(&ni->ni_lock#2/5);

 *** DEADLOCK ***

 May be due to missing lock nesting notation

5 locks held by syz.2.83/6474:
 #0: ffff888106e90428 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90
 #1: ffff88811d43ea68 (&type->i_mutex_dir_key#10/1){+.+.}-{4:4}, at: do_renameat2+0x3b9/0xa80
 #2: ffff88811d43e7d0 (&ni->ni_lock#2/6){+.+.}-{4:4}, at: ntfs_rename+0x6de/0xbf0
 #3: ffff88802b2df680 (&ni->ni_lock#2/5){+.+.}-{4:4}, at: ntfs_rename+0x6f7/0xbf0
 #4: ffff888111ee6128 (&wnd->rw_lock/1){+.+.}-{4:4}, at: ntfs_look_free_mft+0x163/0xd50

stack backtrace:
CPU: 0 UID: 0 PID: 6474 Comm: syz.2.83 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250
 print_deadlock_bug+0x28b/0x2a0
 validate_chain+0x1a3f/0x2140
 __lock_acquire+0xab9/0xd20
 lock_acquire+0x120/0x360
 __mutex_lock+0x187/0x1350
 mi_read+0x2d4/0x5a0
 mi_format_new+0x1a3/0x610
 ni_add_subrecord+0xd0/0x440
 ntfs_look_free_mft+0x6aa/0xd50
 ni_create_attr_list+0x8ff/0x13d0
 ni_ins_attr_ext+0x43e/0xb50
 ni_add_name+0x6df/0xc90
 ni_rename+0x4a/0x100
 ntfs_rename+0x735/0xbf0
 vfs_rename+0xbda/0xf00
 do_renameat2+0x6ce/0xa80
 __x64_sys_rename+0x82/0x90
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f88cb38ebe9
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:00007f88cc1f7038 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007f88cb5b5fa0 RCX: 00007f88cb38ebe9
RDX: 0000000000000000 RSI: 0000200000000f40 RDI: 0000200000000740
RBP: 00007f88cb411e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f88cb5b6038 R14: 00007f88cb5b5fa0 R15: 00007ffd05451e98
 </TASK>
