======================================================
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>