syzbot

ntfs3(loop0): Mark volume as dirty due to NTFS errors
ntfs3(loop0): Failed to load $Extend (-22).
ntfs3(loop0): Failed to initialize $Extend.
============================================
WARNING: possible recursive locking detected
6.13.0-syzkaller-00918-g95ec54a420b8 #0 Not tainted
--------------------------------------------
syz-executor192/5827 is trying to acquire lock:
ffff8880770b1e60 (&ni->ni_lock#2/5){+.+.}-{4:4}, at: ni_lock fs/ntfs3/ntfs_fs.h:1110 [inline]
ffff8880770b1e60 (&ni->ni_lock#2/5){+.+.}-{4:4}, at: mi_read+0x2e1/0x5a0 fs/ntfs3/record.c:148

but task is already holding lock:
ffff8880770b3468 (&ni->ni_lock#2/5){+.+.}-{4:4}, at: ni_lock fs/ntfs3/ntfs_fs.h:1110 [inline]
ffff8880770b3468 (&ni->ni_lock#2/5){+.+.}-{4:4}, at: ntfs_rename+0x74a/0xd10 fs/ntfs3/namei.c:312

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-executor192/5827:
 #0: ffff88807c650420 (sb_writers#9){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:547
 #1: ffff8880771120f8 (&type->i_mutex_dir_key#6/1){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:867 [inline]
 #1: ffff8880771120f8 (&type->i_mutex_dir_key#6/1){+.+.}-{4:4}, at: lock_rename fs/namei.c:3215 [inline]
 #1: ffff8880771120f8 (&type->i_mutex_dir_key#6/1){+.+.}-{4:4}, at: do_renameat2+0x62c/0x13f0 fs/namei.c:5159
 #2: ffff8880770b3700 (&sb->s_type->i_mutex_key#14/4){+.+.}-{4:4}, at: vfs_rename+0x6a2/0xf00 fs/namei.c:5038
 #3: ffff888077111e60 (&ni->ni_lock#2/6){+.+.}-{4:4}, at: ni_lock_dir fs/ntfs3/ntfs_fs.h:1115 [inline]
 #3: ffff888077111e60 (&ni->ni_lock#2/6){+.+.}-{4:4}, at: ntfs_rename+0x72f/0xd10 fs/ntfs3/namei.c:311
 #4: ffff8880770b3468 (&ni->ni_lock#2/5){+.+.}-{4:4}, at: ni_lock fs/ntfs3/ntfs_fs.h:1110 [inline]
 #4: ffff8880770b3468 (&ni->ni_lock#2/5){+.+.}-{4:4}, at: ntfs_rename+0x74a/0xd10 fs/ntfs3/namei.c:312
 #5: ffff88804b5c8128 (&wnd->rw_lock/1){+.+.}-{4:4}, at: ntfs_look_free_mft+0x1e5/0x10c0 fs/ntfs3/fsntfs.c:571

stack backtrace:
CPU: 1 UID: 0 PID: 5827 Comm: syz-executor192 Not tainted 6.13.0-syzkaller-00918-g95ec54a420b8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 print_deadlock_bug+0x483/0x620 kernel/locking/lockdep.c:3037
 check_deadlock kernel/locking/lockdep.c:3089 [inline]
 validate_chain+0x15e2/0x5920 kernel/locking/lockdep.c:3891
 __lock_acquire+0x1397/0x2100 kernel/locking/lockdep.c:5226
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849
 __mutex_lock_common kernel/locking/mutex.c:585 [inline]
 __mutex_lock+0x1ac/0xee0 kernel/locking/mutex.c:735
 ni_lock fs/ntfs3/ntfs_fs.h:1110 [inline]
 mi_read+0x2e1/0x5a0 fs/ntfs3/record.c:148
 mi_format_new+0x1ab/0x5d0 fs/ntfs3/record.c:429
 ni_add_subrecord+0xe2/0x430 fs/ntfs3/frecord.c:374
 ntfs_look_free_mft+0x878/0x10c0 fs/ntfs3/fsntfs.c:715
 ni_create_attr_list+0x9bd/0x1480 fs/ntfs3/frecord.c:878
 ni_ins_attr_ext+0x369/0xbe0 fs/ntfs3/frecord.c:976
 ni_insert_attr fs/ntfs3/frecord.c:1143 [inline]
 ni_insert_resident fs/ntfs3/frecord.c:1527 [inline]
 ni_add_name+0x809/0xe90 fs/ntfs3/frecord.c:3038
 ni_rename+0xc2/0x1e0 fs/ntfs3/frecord.c:3078
 ntfs_rename+0x7c1/0xd10 fs/ntfs3/namei.c:317
 vfs_rename+0xbdb/0xf00 fs/namei.c:5067
 do_renameat2+0xd94/0x13f0 fs/namei.c:5224
 __do_sys_rename fs/namei.c:5271 [inline]
 __se_sys_rename fs/namei.c:5269 [inline]
 __x64_sys_rename+0x82/0x90 fs/namei.c:5269
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f90c7ae77b9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffec9028eb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f90c7ae77b9
RDX: 00007f90c7ae77b9 RSI: 0000000020000480 RDI: 0000000020000340
RBP: 00007f90c7b7a610 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001