ntfs3: loop0: ino=1b, "file0" failed to parse mft record
======================================================
WARNING: possible circular locking dependency detected
6.12.0-rc1-syzkaller-g2d8bce6e34be #0 Not tainted
------------------------------------------------------
syz.0.551/9444 is trying to acquire lock:
ffff0000de3f8100 (&ni->ni_lock){+.+.}-{3:3}, at: ntfs_set_state+0x1a4/0x5c0 fs/ntfs3/fsntfs.c:947
but task is already holding lock:
ffff0000de3f8858 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1109 [inline]
ffff0000de3f8858 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_save_wsl_perm+0x90/0x42c fs/ntfs3/xattr.c:959
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #1 (&ni->ni_lock/4){+.+.}-{3:3}:
__mutex_lock_common+0x190/0x21a0 kernel/locking/mutex.c:608
__mutex_lock kernel/locking/mutex.c:752 [inline]
mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:804
ni_lock fs/ntfs3/ntfs_fs.h:1109 [inline]
mi_read+0x26c/0x4d8 fs/ntfs3/record.c:148
ntfs_read_mft fs/ntfs3/inode.c:70 [inline]
ntfs_iget5+0x358/0x2c0c fs/ntfs3/inode.c:537
ni_update_parent+0x6f0/0xac8 fs/ntfs3/frecord.c:3286
ni_write_inode+0xb64/0xda8 fs/ntfs3/frecord.c:3392
ntfs3_write_inode+0x70/0x98 fs/ntfs3/inode.c:1011
write_inode fs/fs-writeback.c:1503 [inline]
__writeback_single_inode+0x5a4/0x156c fs/fs-writeback.c:1723
writeback_sb_inodes+0x648/0x1090 fs/fs-writeback.c:1954
__writeback_inodes_wb+0xec/0x234 fs/fs-writeback.c:2025
wb_writeback+0x400/0xf0c fs/fs-writeback.c:2136
wb_check_background_flush fs/fs-writeback.c:2206 [inline]
wb_do_writeback fs/fs-writeback.c:2294 [inline]
wb_workfn+0xc2c/0x104c fs/fs-writeback.c:2321
process_one_work+0x7bc/0x1600 kernel/workqueue.c:3229
process_scheduled_works kernel/workqueue.c:3310 [inline]
worker_thread+0x97c/0xeec kernel/workqueue.c:3391
kthread+0x288/0x310 kernel/kthread.c:389
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
-> #0 (&ni->ni_lock){+.+.}-{3:3}:
check_prev_add kernel/locking/lockdep.c:3161 [inline]
check_prevs_add kernel/locking/lockdep.c:3280 [inline]
validate_chain kernel/locking/lockdep.c:3904 [inline]
__lock_acquire+0x33f8/0x77c8 kernel/locking/lockdep.c:5202
lock_acquire+0x240/0x728 kernel/locking/lockdep.c:5825
__mutex_lock_common+0x190/0x21a0 kernel/locking/mutex.c:608
__mutex_lock kernel/locking/mutex.c:752 [inline]
mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:804
ntfs_set_state+0x1a4/0x5c0 fs/ntfs3/fsntfs.c:947
ni_find_attr+0x608/0x7c8 fs/ntfs3/frecord.c:240
attr_set_size+0x3b8/0x3468 fs/ntfs3/attrib.c:426
ntfs_set_ea+0x6dc/0x1318 fs/ntfs3/xattr.c:462
ntfs_save_wsl_perm+0x120/0x42c fs/ntfs3/xattr.c:961
ntfs3_setattr+0x400/0x95c fs/ntfs3/file.c:800
notify_change+0x9f0/0xca0 fs/attr.c:503
chmod_common+0x23c/0x418 fs/open.c:653
do_fchmodat fs/open.c:701 [inline]
__do_sys_fchmodat fs/open.c:720 [inline]
__se_sys_fchmodat fs/open.c:717 [inline]
__arm64_sys_fchmodat+0x114/0x1d4 fs/open.c:717
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:732
el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:750
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&ni->ni_lock/4);
lock(&ni->ni_lock);
lock(&ni->ni_lock/4);
lock(&ni->ni_lock);
*** DEADLOCK ***
3 locks held by syz.0.551/9444:
#0: ffff0000d6382420 (sb_writers#22){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:515
#1: ffff0000de3f8af0 (&type->i_mutex_dir_key#17){++++}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline]
#1: ffff0000de3f8af0 (&type->i_mutex_dir_key#17){++++}-{3:3}, at: chmod_common+0x17c/0x418 fs/open.c:647
#2: ffff0000de3f8858 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1109 [inline]
#2: ffff0000de3f8858 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_save_wsl_perm+0x90/0x42c fs/ntfs3/xattr.c:959
stack backtrace:
CPU: 0 UID: 0 PID: 9444 Comm: syz.0.551 Not tainted 6.12.0-rc1-syzkaller-g2d8bce6e34be #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Call trace:
dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:319
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:326
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120
dump_stack+0x1c/0x28 lib/dump_stack.c:129
print_circular_bug+0x154/0x1c0 kernel/locking/lockdep.c:2074
check_noncircular+0x310/0x404 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 kernel/locking/lockdep.c:3904 [inline]
__lock_acquire+0x33f8/0x77c8 kernel/locking/lockdep.c:5202
lock_acquire+0x240/0x728 kernel/locking/lockdep.c:5825
__mutex_lock_common+0x190/0x21a0 kernel/locking/mutex.c:608
__mutex_lock kernel/locking/mutex.c:752 [inline]
mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:804
ntfs_set_state+0x1a4/0x5c0 fs/ntfs3/fsntfs.c:947
ni_find_attr+0x608/0x7c8 fs/ntfs3/frecord.c:240
attr_set_size+0x3b8/0x3468 fs/ntfs3/attrib.c:426
ntfs_set_ea+0x6dc/0x1318 fs/ntfs3/xattr.c:462
ntfs_save_wsl_perm+0x120/0x42c fs/ntfs3/xattr.c:961
ntfs3_setattr+0x400/0x95c fs/ntfs3/file.c:800
notify_change+0x9f0/0xca0 fs/attr.c:503
chmod_common+0x23c/0x418 fs/open.c:653
do_fchmodat fs/open.c:701 [inline]
__do_sys_fchmodat fs/open.c:720 [inline]
__se_sys_fchmodat fs/open.c:717 [inline]
__arm64_sys_fchmodat+0x114/0x1d4 fs/open.c:717
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:732
el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:750
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
ntfs3: loop0: Mark volume as dirty due to NTFS errors
ntfs3: loop0: ino=1b, "file0" attr_set_size