====================================================== WARNING: possible circular locking dependency detected 5.15.161-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.4/4566 is trying to acquire lock: ffff88805e650860 (&ni->ni_lock){+.+.}-{3:3}, at: ntfs_set_state+0x1fa/0x660 fs/ntfs3/fsntfs.c:925 but task is already holding lock: ffff88805e538fc0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1098 [inline] ffff88805e538fc0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_set_ea+0x205/0x1690 fs/ntfs3/xattr.c:328 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+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __mutex_lock_common+0x1da/0x25a0 kernel/locking/mutex.c:596 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743 ni_lock fs/ntfs3/ntfs_fs.h:1098 [inline] mi_read+0x2dd/0x5a0 fs/ntfs3/record.c:148 ntfs_read_mft fs/ntfs3/inode.c:69 [inline] ntfs_iget5+0x472/0x38e0 fs/ntfs3/inode.c:525 ni_update_parent+0x93f/0xdc0 fs/ntfs3/frecord.c:3154 ni_write_inode+0xe32/0x1070 fs/ntfs3/frecord.c:3252 write_inode fs/fs-writeback.c:1495 [inline] __writeback_single_inode+0x644/0xe30 fs/fs-writeback.c:1705 writeback_single_inode+0x22c/0x960 fs/fs-writeback.c:1760 write_inode_now+0x26e/0x2f0 fs/fs-writeback.c:2800 ntfs_extend+0x3c2/0x4c0 fs/ntfs3/file.c:458 ntfs_file_write_iter+0x2eb/0x540 fs/ntfs3/file.c:1141 do_iter_readv_writev+0x594/0x7a0 do_iter_write+0x1ea/0x760 fs/read_write.c:855 iter_file_splice_write+0x806/0xfa0 fs/splice.c:689 do_splice_from fs/splice.c:767 [inline] direct_splice_actor+0xe3/0x1c0 fs/splice.c:936 splice_direct_to_actor+0x500/0xc10 fs/splice.c:891 do_splice_direct+0x285/0x3d0 fs/splice.c:979 do_sendfile+0x625/0xff0 fs/read_write.c:1249 __do_sys_sendfile64 fs/read_write.c:1317 [inline] __se_sys_sendfile64+0x178/0x1e0 fs/read_write.c:1303 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 -> #0 (&ni->ni_lock){+.+.}-{3:3}: check_prev_add kernel/locking/lockdep.c:3053 [inline] check_prevs_add kernel/locking/lockdep.c:3172 [inline] validate_chain+0x1649/0x5930 kernel/locking/lockdep.c:3788 __lock_acquire+0x1295/0x1ff0 kernel/locking/lockdep.c:5012 lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __mutex_lock_common+0x1da/0x25a0 kernel/locking/mutex.c:596 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743 ntfs_set_state+0x1fa/0x660 fs/ntfs3/fsntfs.c:925 ni_find_attr+0x6cf/0x8b0 fs/ntfs3/frecord.c:238 attr_set_size+0x47d/0x37f0 fs/ntfs3/attrib.c:432 ntfs_set_ea+0x928/0x1690 fs/ntfs3/xattr.c:454 ntfs_save_wsl_perm+0x128/0x470 fs/ntfs3/xattr.c:970 ntfs3_setattr+0x961/0xb70 fs/ntfs3/file.c:796 notify_change+0xc6d/0xf50 fs/attr.c:505 chown_common+0x592/0x890 fs/open.c:680 do_fchownat+0x169/0x240 fs/open.c:711 __do_sys_chown fs/open.c:731 [inline] __se_sys_chown fs/open.c:729 [inline] __x64_sys_chown+0x7e/0x90 fs/open.c:729 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 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-executor.4/4566: #0: ffff88807db8c460 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:377 #1: ffff88805e539260 (&type->i_mutex_dir_key#9){++++}-{3:3}, at: inode_lock include/linux/fs.h:789 [inline] #1: ffff88805e539260 (&type->i_mutex_dir_key#9){++++}-{3:3}, at: chown_common+0x499/0x890 fs/open.c:674 #2: ffff88805e538fc0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1098 [inline] #2: ffff88805e538fc0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_set_ea+0x205/0x1690 fs/ntfs3/xattr.c:328 stack backtrace: CPU: 1 PID: 4566 Comm: syz-executor.4 Not tainted 5.15.161-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106 check_noncircular+0x2f8/0x3b0 kernel/locking/lockdep.c:2133 check_prev_add kernel/locking/lockdep.c:3053 [inline] check_prevs_add kernel/locking/lockdep.c:3172 [inline] validate_chain+0x1649/0x5930 kernel/locking/lockdep.c:3788 __lock_acquire+0x1295/0x1ff0 kernel/locking/lockdep.c:5012 lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __mutex_lock_common+0x1da/0x25a0 kernel/locking/mutex.c:596 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743 ntfs_set_state+0x1fa/0x660 fs/ntfs3/fsntfs.c:925 ni_find_attr+0x6cf/0x8b0 fs/ntfs3/frecord.c:238 attr_set_size+0x47d/0x37f0 fs/ntfs3/attrib.c:432 ntfs_set_ea+0x928/0x1690 fs/ntfs3/xattr.c:454 ntfs_save_wsl_perm+0x128/0x470 fs/ntfs3/xattr.c:970 ntfs3_setattr+0x961/0xb70 fs/ntfs3/file.c:796 notify_change+0xc6d/0xf50 fs/attr.c:505 chown_common+0x592/0x890 fs/open.c:680 do_fchownat+0x169/0x240 fs/open.c:711 __do_sys_chown fs/open.c:731 [inline] __se_sys_chown fs/open.c:729 [inline] __x64_sys_chown+0x7e/0x90 fs/open.c:729 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f4b3567d0a9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f4b341f60c8 EFLAGS: 00000246 ORIG_RAX: 000000000000005c RAX: ffffffffffffffda RBX: 00007f4b357b3f80 RCX: 00007f4b3567d0a9 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00007f4b356ec074 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f4b357b3f80 R15: 00007ffe89735948 ntfs3: loop4: Mark volume as dirty due to NTFS errors