------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(1) WARNING: CPU: 1 PID: 5996 at kernel/locking/lockdep.c:232 hlock_class kernel/locking/lockdep.c:232 [inline] WARNING: CPU: 1 PID: 5996 at kernel/locking/lockdep.c:232 __lock_acquire+0x1345/0x2050 kernel/locking/lockdep.c:5199 Modules linked in: CPU: 1 UID: 0 PID: 5996 Comm: syz.3.17 Not tainted 6.12.0-syzkaller-00971-g158f238aa69d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 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 30 12 ac 0e 00 75 23 90 48 c7 c7 a0 ca 0a 8c 48 c7 c6 40 cd 0a 8c e8 96 6c 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:ffffc90004abf650 EFLAGS: 00010046 RAX: ecd971f3cba47e00 RBX: 0000000000000f00 RCX: 0000000000040000 RDX: dffffc0000000000 RSI: 000000000000c1ed RDI: 000000000000c1ee RBP: 6b6fb36e499d1b61 R08: ffffffff8155e222 R09: 1ffffffff1d02a94 R10: dffffc0000000000 R11: fffffbfff1d02a95 R12: 0000000000000000 R13: ffff888025c6a8d8 R14: 1ffff11004b8d525 R15: ffff888025c6a928 FS: 00007fbc102d76c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc72c77e4c CR3: 0000000034694000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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:1936 [inline] iput+0x615/0xa50 fs/inode.c:1973 ntfs_fill_super+0x3e27/0x4730 fs/ntfs3/super.c:1472 get_tree_bdev_flags+0x48c/0x5c0 fs/super.c:1636 vfs_get_tree+0x90/0x2b0 fs/super.c:1814 do_new_mount+0x2be/0xb40 fs/namespace.c:3507 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4057 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4034 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: 0033:0x7fbc0f57fefa 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:00007fbc102d6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fbc102d6ef0 RCX: 00007fbc0f57fefa RDX: 000000002001f800 RSI: 0000000020000000 RDI: 00007fbc102d6eb0 RBP: 000000002001f800 R08: 00007fbc102d6ef0 R09: 0000000001808840 R10: 0000000001808840 R11: 0000000000000246 R12: 0000000020000000 R13: 00007fbc102d6eb0 R14: 000000000001f86a R15: 0000000020000080