============================================
WARNING: possible recursive locking detected
syzkaller #0 Not tainted
--------------------------------------------
syz.0.953/13770 is trying to acquire lock:
ffff8881abcdb430 (&ni->ni_lock#3/5){+.+.}-{4:4}, at: mi_read+0x2dd/0x5b0

but task is already holding lock:
ffff8881abce58c0 (&ni->ni_lock#3/5){+.+.}-{4:4}, at: ntfs_rename+0x6a7/0xb40

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

       CPU0
       ----
  lock(&ni->ni_lock#3/5);
  lock(&ni->ni_lock#3/5);

 *** DEADLOCK ***

 May be due to missing lock nesting notation

5 locks held by syz.0.953/13770:
 #0: ffff8881971d2420 (sb_writers#16){++++}-{0:0}, at: mnt_want_write+0x41/0x90
 #1: ffff8881abce2f80 (&type->i_mutex_dir_key#11/1){+.+.}-{4:4}, at: __start_renaming+0x148/0x410
 #2: ffff8881abce2ce0 (&ni->ni_lock/6){+.+.}-{4:4}, at: ntfs_rename+0x693/0xb40
 #3: ffff8881abce58c0 (&ni->ni_lock#3/5){+.+.}-{4:4}, at: ntfs_rename+0x6a7/0xb40
 #4: ffff8881971d4130 (&wnd->rw_lock/1){+.+.}-{4:4}, at: ntfs_look_free_mft+0x170/0xd70

stack backtrace:
CPU: 1 UID: 0 PID: 13770 Comm: syz.0.953 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+0xe8/0x150
 print_deadlock_bug+0x279/0x290
 __lock_acquire+0x253f/0x2cf0
 lock_acquire+0xf0/0x2e0
 __mutex_lock+0x19f/0x1300
 mi_read+0x2dd/0x5b0
 mi_format_new+0x1a3/0x610
 ni_add_subrecord+0xd1/0x460
 ntfs_look_free_mft+0x4e1/0xd70
 ni_create_attr_list+0x94b/0x1450
 ni_ins_attr_ext+0x461/0xba0
 ni_add_name+0x6df/0xc90
 ni_rename+0x4a/0x100
 ntfs_rename+0x6ea/0xb40
 vfs_rename+0xa96/0xeb0
 filename_renameat2+0x539/0x9c0
 __se_sys_rename+0x55/0x2c0
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6e7219c799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6e7300f028 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007f6e72415fa0 RCX: 00007f6e7219c799
RDX: 0000000000000000 RSI: 0000200000000f40 RDI: 00002000000003c0
RBP: 00007f6e72232c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6e72416038 R14: 00007f6e72415fa0 R15: 00007ffc721f1a58
 </TASK>
