======================================================
WARNING: possible circular locking dependency detected
6.5.0-rc7-syzkaller-00024-g93f5de5f648d #0 Not tainted
------------------------------------------------------
kworker/u4:2/33 is trying to acquire lock:
ffff88807cae6120 (&wnd->rw_lock/1){+.+.}-{3:3}, at: ntfs_mark_rec_free+0x2f4/0x400 fs/ntfs3/fsntfs.c:742

but task is already holding lock:
ffff88803b756fa0 (&ni->ni_lock#2){+.+.}-{3:3}, at: ni_trylock fs/ntfs3/ntfs_fs.h:1144 [inline]
ffff88803b756fa0 (&ni->ni_lock#2){+.+.}-{3:3}, at: ni_write_inode+0x1c3/0x27e0 fs/ntfs3/frecord.c:3256

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #2 (&ni->ni_lock#2){+.+.}-{3:3}:
       __mutex_lock_common kernel/locking/mutex.c:603 [inline]
       __mutex_lock+0x181/0x1340 kernel/locking/mutex.c:747
       ntfs_set_state+0x1d2/0x6e0 fs/ntfs3/fsntfs.c:946
       attr_set_size+0x139c/0x2ca0 fs/ntfs3/attrib.c:866
       ntfs_extend_mft+0x29f/0x430 fs/ntfs3/fsntfs.c:527
       ntfs_look_free_mft+0x777/0xdd0 fs/ntfs3/fsntfs.c:590
       ni_create_attr_list+0x937/0x1520 fs/ntfs3/frecord.c:876
       ni_ins_attr_ext+0x23f/0xaf0 fs/ntfs3/frecord.c:974
       ni_insert_attr+0x310/0x870 fs/ntfs3/frecord.c:1141
       ni_insert_resident+0xd2/0x3a0 fs/ntfs3/frecord.c:1525
       ntfs_set_ea+0xf46/0x13d0 fs/ntfs3/xattr.c:437
       ntfs_save_wsl_perm+0x134/0x3d0 fs/ntfs3/xattr.c:946
       ntfs3_setattr+0x961/0xb60 fs/ntfs3/file.c:708
       notify_change+0x670/0x1160 fs/attr.c:483
       chown_common+0x596/0x660 fs/open.c:768
       do_fchownat+0x140/0x1f0 fs/open.c:799
       __do_sys_lchown fs/open.c:824 [inline]
       __se_sys_lchown fs/open.c:822 [inline]
       __x64_sys_lchown+0x7e/0xc0 fs/open.c:822
       do_syscall_x64 arch/x86/entry/common.c:50 [inline]
       do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
       entry_SYSCALL_64_after_hwframe+0x63/0xcd

-> #1 (&ni->file.run_lock#2){++++}-{3:3}:
       down_write+0x93/0x200 kernel/locking/rwsem.c:1573
       ntfs_extend_mft+0x138/0x430 fs/ntfs3/fsntfs.c:511
       ntfs_look_free_mft+0x777/0xdd0 fs/ntfs3/fsntfs.c:590
       ni_create_attr_list+0x937/0x1520 fs/ntfs3/frecord.c:876
       ni_ins_attr_ext+0x23f/0xaf0 fs/ntfs3/frecord.c:974
       ni_insert_attr+0x310/0x870 fs/ntfs3/frecord.c:1141
       ni_insert_resident+0xd2/0x3a0 fs/ntfs3/frecord.c:1525
       ntfs_set_ea+0xf46/0x13d0 fs/ntfs3/xattr.c:437
       ntfs_save_wsl_perm+0x134/0x3d0 fs/ntfs3/xattr.c:946
       ntfs3_setattr+0x961/0xb60 fs/ntfs3/file.c:708
       notify_change+0x670/0x1160 fs/attr.c:483
       chown_common+0x596/0x660 fs/open.c:768
       do_fchownat+0x140/0x1f0 fs/open.c:799
       __do_sys_lchown fs/open.c:824 [inline]
       __se_sys_lchown fs/open.c:822 [inline]
       __x64_sys_lchown+0x7e/0xc0 fs/open.c:822
       do_syscall_x64 arch/x86/entry/common.c:50 [inline]
       do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
       entry_SYSCALL_64_after_hwframe+0x63/0xcd

-> #0 (&wnd->rw_lock/1){+.+.}-{3:3}:
       check_prev_add kernel/locking/lockdep.c:3142 [inline]
       check_prevs_add kernel/locking/lockdep.c:3261 [inline]
       validate_chain kernel/locking/lockdep.c:3876 [inline]
       __lock_acquire+0x2e3d/0x5de0 kernel/locking/lockdep.c:5144
       lock_acquire kernel/locking/lockdep.c:5761 [inline]
       lock_acquire+0x1ae/0x510 kernel/locking/lockdep.c:5726
       down_write_nested+0x97/0x200 kernel/locking/rwsem.c:1689
       ntfs_mark_rec_free+0x2f4/0x400 fs/ntfs3/fsntfs.c:742
       ni_write_inode+0x475/0x27e0 fs/ntfs3/frecord.c:3352
       write_inode fs/fs-writeback.c:1456 [inline]
       __writeback_single_inode+0xa81/0xe70 fs/fs-writeback.c:1668
       writeback_sb_inodes+0x599/0x1010 fs/fs-writeback.c:1894
       wb_writeback+0x2a5/0xa90 fs/fs-writeback.c:2070
       wb_do_writeback fs/fs-writeback.c:2217 [inline]
       wb_workfn+0x29c/0xfd0 fs/fs-writeback.c:2257
       process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2600
       worker_thread+0x687/0x1110 kernel/workqueue.c:2751
       kthread+0x33a/0x430 kernel/kthread.c:389
       ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
       ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304

other info that might help us debug this:

Chain exists of:
  &wnd->rw_lock/1 --> &ni->file.run_lock#2 --> &ni->ni_lock#2

 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(&ni->ni_lock#2);
                               lock(&ni->file.run_lock#2);
                               lock(&ni->ni_lock#2);
  lock(&wnd->rw_lock/1);

 *** DEADLOCK ***

3 locks held by kworker/u4:2/33:
 #0: ffff88801524c938 ((wq_completion)writeback){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:20 [inline]
 #0: ffff88801524c938 ((wq_completion)writeback){+.+.}-{0:0}, at: raw_atomic64_set include/linux/atomic/atomic-arch-fallback.h:2608 [inline]
 #0: ffff88801524c938 ((wq_completion)writeback){+.+.}-{0:0}, at: raw_atomic_long_set include/linux/atomic/atomic-long.h:79 [inline]
 #0: ffff88801524c938 ((wq_completion)writeback){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:3196 [inline]
 #0: ffff88801524c938 ((wq_completion)writeback){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:678 [inline]
 #0: ffff88801524c938 ((wq_completion)writeback){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:705 [inline]
 #0: ffff88801524c938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x96a/0x16f0 kernel/workqueue.c:2570
 #1: ffffc90000aa7d80 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x99e/0x16f0 kernel/workqueue.c:2574
 #2: ffff88803b756fa0 (&ni->ni_lock#2){+.+.}-{3:3}, at: ni_trylock fs/ntfs3/ntfs_fs.h:1144 [inline]
 #2: ffff88803b756fa0 (&ni->ni_lock#2){+.+.}-{3:3}, at: ni_write_inode+0x1c3/0x27e0 fs/ntfs3/frecord.c:3256

stack backtrace:
CPU: 1 PID: 33 Comm: kworker/u4:2 Not tainted 6.5.0-rc7-syzkaller-00024-g93f5de5f648d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Workqueue: writeback wb_workfn (flush-7:5)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 check_noncircular+0x311/0x3f0 kernel/locking/lockdep.c:2195
 check_prev_add kernel/locking/lockdep.c:3142 [inline]
 check_prevs_add kernel/locking/lockdep.c:3261 [inline]
 validate_chain kernel/locking/lockdep.c:3876 [inline]
 __lock_acquire+0x2e3d/0x5de0 kernel/locking/lockdep.c:5144
 lock_acquire kernel/locking/lockdep.c:5761 [inline]
 lock_acquire+0x1ae/0x510 kernel/locking/lockdep.c:5726
 down_write_nested+0x97/0x200 kernel/locking/rwsem.c:1689
 ntfs_mark_rec_free+0x2f4/0x400 fs/ntfs3/fsntfs.c:742
 ni_write_inode+0x475/0x27e0 fs/ntfs3/frecord.c:3352
 write_inode fs/fs-writeback.c:1456 [inline]
 __writeback_single_inode+0xa81/0xe70 fs/fs-writeback.c:1668
 writeback_sb_inodes+0x599/0x1010 fs/fs-writeback.c:1894
 wb_writeback+0x2a5/0xa90 fs/fs-writeback.c:2070
 wb_do_writeback fs/fs-writeback.c:2217 [inline]
 wb_workfn+0x29c/0xfd0 fs/fs-writeback.c:2257
 process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2600
 worker_thread+0x687/0x1110 kernel/workqueue.c:2751
 kthread+0x33a/0x430 kernel/kthread.c:389
 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>