syzbot

loop0: detected capacity change from 0 to 4096
ntfs3(loop0): Different NTFS sector size (4096) and media sector size (512).
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: 6038 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Call Trace:
 <TASK>
 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+0x96/0x1f0 kernel/locking/rwsem.c:1590
 ntfs_set_size+0x140/0x200 fs/ntfs3/inode.c:860
 ntfs_extend+0x1d9/0x970 fs/ntfs3/file.c:387
 ntfs_setattr+0x2e8/0xbe0 fs/ntfs3/file.c:808
 notify_change+0xc1a/0xf40 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: 0033:0x7f037f38eba9
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:00007ffff0b0c318 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
RAX: ffffffffffffffda RBX: 00007f037f5d5fa0 RCX: 00007f037f38eba9
RDX: 0000000000000000 RSI: 00000000000003ff RDI: 0000200000000140
RBP: 00007f037f411e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f037f5d5fa0 R14: 00007f037f5d5fa0 R15: 0000000000000002
 </TASK>
ntfs3(loop0): ino=19, "file1" attr_set_size
------------[ cut here ]------------
DEBUG_RWSEMS_WARN_ON(sem->magic != sem): count = 0x1, magic = 0x0, owner = 0xffff888075e03c80, curr 0xffff888075e03c80, list not empty
WARNING: kernel/locking/rwsem.c:1375 at __up_write kernel/locking/rwsem.c:1375 [inline], CPU#1: syz.0.17/6038
WARNING: kernel/locking/rwsem.c:1375 at up_write+0x2d1/0x420 kernel/locking/rwsem.c:1643, CPU#1: syz.0.17/6038
Modules linked in:
CPU: 1 UID: 0 PID: 6038 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:__up_write kernel/locking/rwsem.c:1375 [inline]
RIP: 0010:up_write+0x2d1/0x420 kernel/locking/rwsem.c:1643
Code: c7 c7 00 ea aa 8b 48 c7 c6 60 eb aa 8b 48 8b 54 24 08 48 8b 0c 24 4c 8b 44 24 10 4d 89 e1 41 52 e8 54 57 e6 ff 48 83 c4 08 90 <0f> 0b 90 90 e9 a4 fd ff ff 90 0f 0b 90 e9 8c fe ff ff c6 05 09 ed
RSP: 0018:ffffc90002f878b8 EFLAGS: 00010286
RAX: 01d3ee795f15c600 RBX: ffff888058e20140 RCX: ffff888075e03c80
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: dffffc0000000000 R08: ffffc90002f875c7 R09: 1ffff920005f0eb8
R10: dffffc0000000000 R11: fffff520005f0eb9 R12: ffff888075e03c80
R13: ffff888058e201a8 R14: 1ffff1100b1c4035 R15: ffff888058e20198
FS:  00005555647f8500(0000) GS:ffff888125ae8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32563fff CR3: 0000000073aba000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 ntfs_set_size+0x172/0x200 fs/ntfs3/inode.c:865
 ntfs_extend+0x1d9/0x970 fs/ntfs3/file.c:387
 ntfs_setattr+0x2e8/0xbe0 fs/ntfs3/file.c:808
 notify_change+0xc1a/0xf40 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: 0033:0x7f037f38eba9
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:00007ffff0b0c318 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
RAX: ffffffffffffffda RBX: 00007f037f5d5fa0 RCX: 00007f037f38eba9
RDX: 0000000000000000 RSI: 00000000000003ff RDI: 0000200000000140
RBP: 00007f037f411e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f037f5d5fa0 R14: 00007f037f5d5fa0 R15: 0000000000000002
 </TASK>