ntfs3(loop0): DEBUG: deepanshu Read inode 2, S_ISREG=1, run_lock_init=1 ntfs3(loop0): DEBUG: deepanshu Read inode 6, S_ISREG=1, run_lock_init=1 ntfs3(loop0): DEBUG: deepanshu Read inode 8, S_ISREG=1, run_lock_init=1 ntfs3(loop0): DEBUG: deepanshu Read inode 4, S_ISREG=1, run_lock_init=1 ntfs3(loop0): DEBUG: deepanshu Read inode 10, S_ISREG=1, run_lock_init=1 ntfs3(loop0): DEBUG: deepanshu Read inode 9, S_ISREG=1, run_lock_init=1 ntfs_setattr: testing by deepanshu INFO: trying to register non-static key. The code is fine but needs lockdep annotation, or maybe you didn't initialize this object before use? turning off the locking correctness validator. CPU: 1 UID: 0 PID: 6558 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 assign_lock_key+0x133/0x150 kernel/locking/lockdep.c:984 register_lock_class+0x105/0x320 kernel/locking/lockdep.c:1299 __lock_acquire+0x99/0xd20 kernel/locking/lockdep.c:5112 lock_acquire+0x120/0x360 kernel/locking/lockdep.c:5868 down_write+0x3a/0x50 kernel/locking/rwsem.c:1590 ntfs_truncate fs/ntfs3/file.c:483 [inline] ntfs_setattr+0x71a/0xbf0 fs/ntfs3/file.c:807 notify_change+0xc18/0xf60 fs/attr.c:546 do_truncate+0x1a4/0x220 fs/open.c:68 vfs_truncate+0x493/0x520 fs/open.c:118 do_sys_truncate+0xdb/0x190 fs/open.c:141 __do_sys_truncate fs/open.c:153 [inline] __se_sys_truncate fs/open.c:151 [inline] __x64_sys_truncate+0x5b/0x70 fs/open.c:151 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8c2e81eec9 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:00007f8c2de86038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c RAX: ffffffffffffffda RBX: 00007f8c2ea75fa0 RCX: 00007f8c2e81eec9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00002000000013c0 RBP: 00007f8c2e8a1f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f8c2ea76038 R14: 00007f8c2ea75fa0 R15: 00007fff37c0d8a8