ntfs3: loop3: ino=1d, "file1" failed to parse mft record ====================================================== WARNING: possible circular locking dependency detected 6.11.0-syzkaller-09959-gabf2050f51fd #0 Not tainted ------------------------------------------------------ syz.3.356/9043 is trying to acquire lock: ffff888054b50100 (&ni->ni_lock#3){+.+.}-{3:3}, at: ntfs_set_state+0x1ff/0x6c0 fs/ntfs3/fsntfs.c:947 but task is already holding lock: ffff888054b56078 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1109 [inline] ffff888054b56078 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_save_wsl_perm+0x8f/0x500 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}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5822 __mutex_lock_common kernel/locking/mutex.c:608 [inline] __mutex_lock+0x136/0xd70 kernel/locking/mutex.c:752 ni_lock fs/ntfs3/ntfs_fs.h:1109 [inline] mi_read+0x2e1/0x5a0 fs/ntfs3/record.c:148 ntfs_read_mft fs/ntfs3/inode.c:70 [inline] ntfs_iget5+0x482/0x3940 fs/ntfs3/inode.c:537 ni_update_parent+0x943/0xdd0 fs/ntfs3/frecord.c:3286 ni_write_inode+0xd9a/0x1010 fs/ntfs3/frecord.c:3392 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 __writeback_inodes_wb+0x11b/0x260 fs/fs-writeback.c:2025 wb_writeback+0x42f/0xbd0 fs/fs-writeback.c:2136 wb_check_start_all fs/fs-writeback.c:2262 [inline] wb_do_writeback fs/fs-writeback.c:2288 [inline] wb_workfn+0x980/0x1090 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#3){+.+.}-{3:3}: check_prev_add kernel/locking/lockdep.c:3158 [inline] check_prevs_add kernel/locking/lockdep.c:3277 [inline] validate_chain+0x18ef/0x5920 kernel/locking/lockdep.c:3901 __lock_acquire+0x1384/0x2050 kernel/locking/lockdep.c:5199 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5822 __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_set_size+0x4b1/0x4300 fs/ntfs3/attrib.c:426 ntfs_set_ea+0x982/0x16d0 fs/ntfs3/xattr.c:462 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 other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ni->ni_lock/4); lock(&ni->ni_lock#3); lock(&ni->ni_lock/4); lock(&ni->ni_lock#3); *** DEADLOCK *** 3 locks held by syz.3.356/9043: #0: ffff888062632420 (sb_writers#22){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:515 #1: ffff888054b56310 (&sb->s_type->i_mutex_key#29){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:815 [inline] #1: ffff888054b56310 (&sb->s_type->i_mutex_key#29){+.+.}-{3:3}, at: chown_common+0x3e1/0x850 fs/open.c:783 #2: ffff888054b56078 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1109 [inline] #2: ffff888054b56078 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_save_wsl_perm+0x8f/0x500 fs/ntfs3/xattr.c:959 stack backtrace: CPU: 1 UID: 0 PID: 9043 Comm: syz.3.356 Not tainted 6.11.0-syzkaller-09959-gabf2050f51fd #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Call Trace: __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:2203 check_prev_add kernel/locking/lockdep.c:3158 [inline] check_prevs_add kernel/locking/lockdep.c:3277 [inline] validate_chain+0x18ef/0x5920 kernel/locking/lockdep.c:3901 __lock_acquire+0x1384/0x2050 kernel/locking/lockdep.c:5199 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5822 __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_set_size+0x4b1/0x4300 fs/ntfs3/attrib.c:426 ntfs_set_ea+0x982/0x16d0 fs/ntfs3/xattr.c:462 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 RIP: 0033:0x7fe77997def9 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:00007fe77a851038 EFLAGS: 00000246 ORIG_RAX: 000000000000005e RAX: ffffffffffffffda RBX: 00007fe779b35f80 RCX: 00007fe77997def9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100 RBP: 00007fe7799f0b76 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fe779b35f80 R15: 00007ffeff6d7e18 ntfs3: loop3: Mark volume as dirty due to NTFS errors ntfs3: loop3: ino=1d, "file1" attr_set_size