============================================
WARNING: possible recursive locking detected
syzkaller #0 Not tainted
--------------------------------------------
syz.7.233/7999 is trying to acquire lock:
ffff88802cfa3bc0 (&ni->ni_lock#2/5){+.+.}-{4:4}, at: mi_read+0x2d4/0x5a0

but task is already holding lock:
ffff88802cfa0fb0 (&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

6 locks held by syz.7.233/7999:
 #0: ffff888106832428 (sb_writers#19){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90
 #1: ffff88802cfa71c0 (&type->i_mutex_dir_key#15/1){+.+.}-{4:4}, at: do_renameat2+0x3b9/0xa80
 #2: ffff88802cfa1248 (&sb->s_type->i_mutex_key#36/4){+.+.}-{4:4}, at: vfs_rename+0x6d8/0xf00
 #3: ffff88802cfa6f28 (&ni->ni_lock#2/6){+.+.}-{4:4}, at: ntfs_rename+0x6de/0xbf0
 #4: ffff88802cfa0fb0 (&ni->ni_lock#2/5){+.+.}-{4:4}, at: ntfs_rename+0x6f7/0xbf0
 #5: ffff888106bc2128 (&wnd->rw_lock/1){+.+.}-{4:4}, at: ntfs_look_free_mft+0x163/0xd50

stack backtrace:
CPU: 1 UID: 0 PID: 7999 Comm: syz.7.233 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: 0033:0x7f5a1478eba9
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:00007f5a15682038 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007f5a149d5fa0 RCX: 00007f5a1478eba9
RDX: 0000000000000000 RSI: 0000200000000f40 RDI: 0000200000000600
RBP: 00007f5a14811e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5a149d6038 R14: 00007f5a149d5fa0 R15: 00007ffc9afcba28
 </TASK>
