Hello, syzbot found the following issue on: HEAD commit: 715ca9dd687f Merge tag 'io_uring-6.12-20241019' of git://g.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1700ec87980000 kernel config: https://syzkaller.appspot.com/x/.config?x=16e543edc81a3008 dashboard link: https://syzkaller.appspot.com/bug?extid=b856fe782caf1f85be6e compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/7ae9f0c1b9fa/disk-715ca9dd.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/91e10a24baa4/vmlinux-715ca9dd.xz kernel image: https://storage.googleapis.com/syzbot-assets/f46b6b5990f3/bzImage-715ca9dd.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+b856fe782caf1f85be6e@xxxxxxxxxxxxxxxxxxxxxxxxx loop5: detected capacity change from 0 to 4096 ntfs3(loop5): Different NTFS sector size (2048) and media sector size (512). ------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(1) WARNING: CPU: 1 PID: 6340 at kernel/locking/lockdep.c:232 hlock_class kernel/locking/lockdep.c:232 [inline] WARNING: CPU: 1 PID: 6340 at kernel/locking/lockdep.c:232 __lock_acquire+0x1345/0x2050 kernel/locking/lockdep.c:5199 Modules linked in: CPU: 1 UID: 0 PID: 6340 Comm: syz.5.66 Not tainted 6.12.0-rc3-syzkaller-00420-g715ca9dd687f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:hlock_class kernel/locking/lockdep.c:232 [inline] RIP: 0010:__lock_acquire+0x1345/0x2050 kernel/locking/lockdep.c:5199 Code: 00 00 83 3d 2c c1 ac 0e 00 75 23 90 48 c7 c7 60 c9 0a 8c 48 c7 c6 00 cc 0a 8c e8 86 71 e5 ff 48 ba 00 00 00 00 00 fc ff df 90 <0f> 0b 90 90 90 31 db 48 83 c3 40 48 89 d8 48 c1 e8 03 80 3c 10 00 RSP: 0018:ffffc90003f2f650 EFLAGS: 00010046 RAX: 11c528de68187400 RBX: 0000000000000f00 RCX: 0000000000040000 RDX: dffffc0000000000 RSI: 000000000000dc83 RDI: 000000000000dc84 RBP: 39845540049e23b7 R08: ffffffff8155e402 R09: fffffbfff1cf9fe0 R10: dffffc0000000000 R11: fffffbfff1cf9fe0 R12: 0000000000000001 R13: ffff88802e92e4d8 R14: 1ffff11005d25ca5 R15: ffff88802e92e528 FS: 00007f47db4276c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020a1a000 CR3: 000000007873e000 CR4: 0000000000350ef0 Call Trace: <TASK> lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:351 [inline] iput_final fs/inode.c:1866 [inline] iput+0x615/0xa50 fs/inode.c:1903 ntfs_fill_super+0x3e27/0x4730 fs/ntfs3/super.c:1472 get_tree_bdev+0x3f9/0x570 fs/super.c:1635 vfs_get_tree+0x92/0x2b0 fs/super.c:1800 do_new_mount+0x2be/0xb40 fs/namespace.c:3507 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4055 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4032 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: 0033:0x7f47da57f79a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007f47db426e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f47db426ef0 RCX: 00007f47da57f79a RDX: 00000000200000c0 RSI: 0000000020000b00 RDI: 00007f47db426eb0 RBP: 00000000200000c0 R08: 00007f47db426ef0 R09: 0000000000000010 R10: 0000000000000010 R11: 0000000000000246 R12: 0000000020000b00 R13: 00007f47db426eb0 R14: 000000000001f3bc R15: 0000000020000280 </TASK> --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup