ntfs3: loop2: ino=0, failed to parse mft record
======================================================
WARNING: possible circular locking dependency detected
6.12.0-rc2-syzkaller #0 Not tainted
------------------------------------------------------
syz.2.986/13528 is trying to acquire lock:
ffff88807d47f680 (&ni->ni_lock#2){+.+.}-{3:3}, at: ntfs_set_state+0x1ff/0x6c0 fs/ntfs3/fsntfs.c:947
but task is already holding lock:
ffff88807d47a668 (&ni->file.run_lock#2){++++}-{3:3}, at: mi_read+0x2e9/0x5a0 fs/ntfs3/record.c:149
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #2 (&ni->file.run_lock#2){++++}-{3:3}:
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825
down_read+0xb1/0xa40 kernel/locking/rwsem.c:1524
mi_read+0x181/0x5a0 fs/ntfs3/record.c:129
mi_format_new+0x1ab/0x5d0 fs/ntfs3/record.c:420
ni_add_subrecord+0xe2/0x430 fs/ntfs3/frecord.c:372
ntfs_look_free_mft+0x878/0x10c0 fs/ntfs3/fsntfs.c:715
ni_create_attr_list+0x9bd/0x1480 fs/ntfs3/frecord.c:876
ni_ins_attr_ext+0x369/0xbe0 fs/ntfs3/frecord.c:974
ni_insert_attr+0x358/0x900 fs/ntfs3/frecord.c:1141
ni_insert_resident+0xf8/0x3c0 fs/ntfs3/frecord.c:1525
ntfs_set_ea+0xac3/0x16d0 fs/ntfs3/xattr.c:449
ntfs_save_wsl_perm+0x14f/0x500 fs/ntfs3/xattr.c:961
ntfs3_setattr+0x50a/0xb80 fs/ntfs3/file.c:800
notify_change+0xbca/0xe90 fs/attr.c:503
chown_common+0x501/0x850 fs/open.c:793
do_fchownat+0x16a/0x240 fs/open.c:824
__do_sys_lchown fs/open.c:849 [inline]
__se_sys_lchown fs/open.c:847 [inline]
__x64_sys_lchown+0x85/0xa0 fs/open.c:847
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
-> #1 (&wnd->rw_lock/1){++++}-{3:3}:
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825
down_write_nested+0xa2/0x220 kernel/locking/rwsem.c:1693
ntfs_mark_rec_free+0x3f/0x2b0 fs/ntfs3/fsntfs.c:742
ni_write_inode+0xb8a/0x1010 fs/ntfs3/frecord.c:3433
write_inode fs/fs-writeback.c:1503 [inline]
__writeback_single_inode+0x711/0x10d0 fs/fs-writeback.c:1723
writeback_sb_inodes+0x80c/0x1370 fs/fs-writeback.c:1954
wb_writeback+0x41b/0xbd0 fs/fs-writeback.c:2134
wb_do_writeback fs/fs-writeback.c:2281 [inline]
wb_workfn+0x410/0x1090 fs/fs-writeback.c:2321
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
-> #0 (&ni->ni_lock#2){+.+.}-{3:3}:
check_prev_add kernel/locking/lockdep.c:3161 [inline]
check_prevs_add kernel/locking/lockdep.c:3280 [inline]
validate_chain+0x18ef/0x5920 kernel/locking/lockdep.c:3904
__lock_acquire+0x1384/0x2050 kernel/locking/lockdep.c:5202
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825
__mutex_lock_common kernel/locking/mutex.c:608 [inline]
__mutex_lock+0x136/0xd70 kernel/locking/mutex.c:752
ntfs_set_state+0x1ff/0x6c0 fs/ntfs3/fsntfs.c:947
ni_find_attr+0x6eb/0x8d0 fs/ntfs3/frecord.c:240
attr_load_runs_vcn+0xd5/0x360 fs/ntfs3/attrib.c:1316
mi_read+0x346/0x5a0 fs/ntfs3/record.c:151
ntfs_read_mft fs/ntfs3/inode.c:70 [inline]
ntfs_iget5+0x482/0x3940 fs/ntfs3/inode.c:537
ntfs_export_get_inode+0xdc/0x190 fs/ntfs3/super.c:797
generic_fh_to_dentry+0x9f/0xf0 fs/libfs.c:1468
exportfs_decode_fh_raw+0x166/0x6a0 fs/exportfs/expfs.c:444
do_handle_to_path fs/fhandle.c:224 [inline]
handle_to_path fs/fhandle.c:325 [inline]
do_handle_open+0x764/0x9a0 fs/fhandle.c:343
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
other info that might help us debug this:
Chain exists of:
&ni->ni_lock#2 --> &wnd->rw_lock/1 --> &ni->file.run_lock#2
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&ni->file.run_lock#2);
lock(&wnd->rw_lock/1);
lock(&ni->file.run_lock#2);
lock(&ni->ni_lock#2);
*** DEADLOCK ***
2 locks held by syz.2.986/13528:
#0: ffff88807d47a5b8 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1109 [inline]
#0: ffff88807d47a5b8 (&ni->ni_lock/4){+.+.}-{3:3}, at: mi_read+0x2e1/0x5a0 fs/ntfs3/record.c:148
#1: ffff88807d47a668 (&ni->file.run_lock#2){++++}-{3:3}, at: mi_read+0x2e9/0x5a0 fs/ntfs3/record.c:149
stack backtrace:
CPU: 0 UID: 0 PID: 13528 Comm: syz.2.986 Not tainted 6.12.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
print_circular_bug+0x13a/0x1b0 kernel/locking/lockdep.c:2074
check_noncircular+0x36a/0x4a0 kernel/locking/lockdep.c:2206
check_prev_add kernel/locking/lockdep.c:3161 [inline]
check_prevs_add kernel/locking/lockdep.c:3280 [inline]
validate_chain+0x18ef/0x5920 kernel/locking/lockdep.c:3904
__lock_acquire+0x1384/0x2050 kernel/locking/lockdep.c:5202
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825
__mutex_lock_common kernel/locking/mutex.c:608 [inline]
__mutex_lock+0x136/0xd70 kernel/locking/mutex.c:752
ntfs_set_state+0x1ff/0x6c0 fs/ntfs3/fsntfs.c:947
ni_find_attr+0x6eb/0x8d0 fs/ntfs3/frecord.c:240
attr_load_runs_vcn+0xd5/0x360 fs/ntfs3/attrib.c:1316
mi_read+0x346/0x5a0 fs/ntfs3/record.c:151
ntfs_read_mft fs/ntfs3/inode.c:70 [inline]
ntfs_iget5+0x482/0x3940 fs/ntfs3/inode.c:537
ntfs_export_get_inode+0xdc/0x190 fs/ntfs3/super.c:797
generic_fh_to_dentry+0x9f/0xf0 fs/libfs.c:1468
exportfs_decode_fh_raw+0x166/0x6a0 fs/exportfs/expfs.c:444
do_handle_to_path fs/fhandle.c:224 [inline]
handle_to_path fs/fhandle.c:325 [inline]
do_handle_open+0x764/0x9a0 fs/fhandle.c:343
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: 0033:0x7f601e77dff9
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:00007f601f5e3038 EFLAGS: 00000246 ORIG_RAX: 0000000000000130
RAX: ffffffffffffffda RBX: 00007f601e935f80 RCX: 00007f601e77dff9
RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000005
RBP: 00007f601e7f0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f601e935f80 R15: 00007ffcb2c928f8
</TASK>
ntfs3: loop2: Mark volume as dirty due to NTFS errors