loop2: detected capacity change from 0 to 4096 ntfs3: loop2: Different NTFS' sector size (2048) and media sector size (512) ntfs3: loop2: ino=0, attr_set_size ====================================================== WARNING: possible circular locking dependency detected 6.1.56-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.2/15613 is trying to acquire lock: ffff888081a56840 (&ni->ni_lock){+.+.}-{3:3}, at: ntfs_set_state+0x217/0x6f0 fs/ntfs3/fsntfs.c:920 but task is already holding lock: ffff888081a50910 (&ni->file.run_lock#2){++++}-{3:3}, at: ntfs_extend_mft+0x15c/0x4b0 fs/ntfs3/fsntfs.c:482 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+0x1f8/0x5a0 kernel/locking/lockdep.c:5661 down_read+0xad/0xa30 kernel/locking/rwsem.c:1520 mi_read+0x17d/0x5a0 fs/ntfs3/record.c:129 mi_format_new+0x1a7/0x5c0 fs/ntfs3/record.c:379 ni_add_subrecord+0xde/0x430 fs/ntfs3/frecord.c:371 ntfs_look_free_mft+0x874/0x10c0 fs/ntfs3/fsntfs.c:686 ni_create_attr_list+0x9b6/0x1470 fs/ntfs3/frecord.c:873 ni_ins_attr_ext+0x330/0xbf0 fs/ntfs3/frecord.c:974 ni_insert_attr fs/ntfs3/frecord.c:1141 [inline] ni_insert_resident fs/ntfs3/frecord.c:1525 [inline] ni_add_name+0x619/0xc30 fs/ntfs3/frecord.c:3037 ni_rename+0xbe/0x1e0 fs/ntfs3/frecord.c:3077 ntfs_rename+0x74a/0xd10 fs/ntfs3/namei.c:318 vfs_rename+0xbfc/0xf90 fs/namei.c:4785 do_renameat2+0xb97/0x13b0 fs/namei.c:4935 __do_sys_rename fs/namei.c:4981 [inline] __se_sys_rename fs/namei.c:4979 [inline] __x64_sys_rename+0x82/0x90 fs/namei.c:4979 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd -> #1 (&wnd->rw_lock/1){+.+.}-{3:3}: lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5661 down_write_nested+0x39/0x60 kernel/locking/rwsem.c:1689 ntfs_mark_rec_free+0x3b/0x2b0 fs/ntfs3/fsntfs.c:713 ni_write_inode+0x433/0x1240 fs/ntfs3/frecord.c:3338 write_inode fs/fs-writeback.c:1443 [inline] __writeback_single_inode+0x67d/0x11e0 fs/fs-writeback.c:1655 writeback_sb_inodes+0xc21/0x1ac0 fs/fs-writeback.c:1881 wb_writeback+0x49d/0xe10 fs/fs-writeback.c:2055 wb_do_writeback fs/fs-writeback.c:2198 [inline] wb_workfn+0x427/0x1020 fs/fs-writeback.c:2238 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439 kthread+0x28d/0x320 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 -> #0 (&ni->ni_lock){+.+.}-{3:3}: check_prev_add kernel/locking/lockdep.c:3090 [inline] check_prevs_add kernel/locking/lockdep.c:3209 [inline] validate_chain+0x1667/0x58e0 kernel/locking/lockdep.c:3824 __lock_acquire+0x125b/0x1f80 kernel/locking/lockdep.c:5048 lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5661 __mutex_lock_common kernel/locking/mutex.c:603 [inline] __mutex_lock+0x132/0xd80 kernel/locking/mutex.c:747 ntfs_set_state+0x217/0x6f0 fs/ntfs3/fsntfs.c:920 attr_set_size+0x32e5/0x42f0 fs/ntfs3/attrib.c:880 ntfs_extend_mft+0x2f6/0x4b0 fs/ntfs3/fsntfs.c:498 ntfs_look_free_mft+0x439/0x10c0 fs/ntfs3/fsntfs.c:561 ni_create_attr_list+0x9b6/0x1470 fs/ntfs3/frecord.c:873 ni_ins_attr_ext+0x330/0xbf0 fs/ntfs3/frecord.c:974 ni_insert_attr+0x354/0x900 fs/ntfs3/frecord.c:1141 ni_insert_resident+0xf4/0x3c0 fs/ntfs3/frecord.c:1525 ntfs_set_ea+0xab8/0x1660 fs/ntfs3/xattr.c:434 ntfs_save_wsl_perm+0x139/0x490 fs/ntfs3/xattr.c:965 ntfs3_setattr+0x961/0xb70 fs/ntfs3/file.c:817 notify_change+0xce3/0xfc0 fs/attr.c:499 chown_common+0x5aa/0x900 fs/open.c:736 do_fchownat+0x169/0x240 fs/open.c:767 __do_sys_chown fs/open.c:787 [inline] __se_sys_chown fs/open.c:785 [inline] __x64_sys_chown+0x7e/0x90 fs/open.c:785 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd other info that might help us debug this: Chain exists of: &ni->ni_lock --> &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); *** DEADLOCK *** 5 locks held by syz-executor.2/15613: #0: ffff88801f19a460 (sb_writers#28){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:393 #1: ffff888081a52880 (&sb->s_type->i_mutex_key#35){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #1: ffff888081a52880 (&sb->s_type->i_mutex_key#35){+.+.}-{3:3}, at: chown_common+0x3e5/0x900 fs/open.c:726 #2: ffff888081a525e0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1111 [inline] #2: ffff888081a525e0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_save_wsl_perm+0x86/0x490 fs/ntfs3/xattr.c:963 #3: ffff888081018120 (&wnd->rw_lock/1){+.+.}-{3:3}, at: ntfs_look_free_mft+0x1e1/0x10c0 fs/ntfs3/fsntfs.c:542 #4: ffff888081a50910 (&ni->file.run_lock#2){++++}-{3:3}, at: ntfs_extend_mft+0x15c/0x4b0 fs/ntfs3/fsntfs.c:482 stack backtrace: CPU: 1 PID: 15613 Comm: syz-executor.2 Not tainted 6.1.56-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 check_noncircular+0x2fa/0x3b0 kernel/locking/lockdep.c:2170 check_prev_add kernel/locking/lockdep.c:3090 [inline] check_prevs_add kernel/locking/lockdep.c:3209 [inline] validate_chain+0x1667/0x58e0 kernel/locking/lockdep.c:3824 __lock_acquire+0x125b/0x1f80 kernel/locking/lockdep.c:5048 lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5661 __mutex_lock_common kernel/locking/mutex.c:603 [inline] __mutex_lock+0x132/0xd80 kernel/locking/mutex.c:747 ntfs_set_state+0x217/0x6f0 fs/ntfs3/fsntfs.c:920 attr_set_size+0x32e5/0x42f0 fs/ntfs3/attrib.c:880 ntfs_extend_mft+0x2f6/0x4b0 fs/ntfs3/fsntfs.c:498 ntfs_look_free_mft+0x439/0x10c0 fs/ntfs3/fsntfs.c:561 ni_create_attr_list+0x9b6/0x1470 fs/ntfs3/frecord.c:873 ni_ins_attr_ext+0x330/0xbf0 fs/ntfs3/frecord.c:974 ni_insert_attr+0x354/0x900 fs/ntfs3/frecord.c:1141 ni_insert_resident+0xf4/0x3c0 fs/ntfs3/frecord.c:1525 ntfs_set_ea+0xab8/0x1660 fs/ntfs3/xattr.c:434 ntfs_save_wsl_perm+0x139/0x490 fs/ntfs3/xattr.c:965 ntfs3_setattr+0x961/0xb70 fs/ntfs3/file.c:817 notify_change+0xce3/0xfc0 fs/attr.c:499 chown_common+0x5aa/0x900 fs/open.c:736 do_fchownat+0x169/0x240 fs/open.c:767 __do_sys_chown fs/open.c:787 [inline] __se_sys_chown fs/open.c:785 [inline] __x64_sys_chown+0x7e/0x90 fs/open.c:785 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7ffafb67cae9 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:00007ffafc3130c8 EFLAGS: 00000246 ORIG_RAX: 000000000000005c RAX: ffffffffffffffda RBX: 00007ffafb79bf80 RCX: 00007ffafb67cae9 RDX: 000000000000ee00 RSI: 000000000000ee00 RDI: 0000000020000000 RBP: 00007ffafb6c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007ffafb79bf80 R15: 00007ffccf1990c8 ntfs3: loop2: Mark volume as dirty due to NTFS errors