------------[ cut here ]------------
WARNING: fs/inode.c:417 at drop_nlink+0xc5/0x110 fs/inode.c:417, CPU#0: syz.6.291/9068
Modules linked in:
CPU: 0 UID: 0 PID: 9068 Comm: syz.6.291 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:drop_nlink+0xc5/0x110 fs/inode.c:417
Code: c0 08 00 00 be 08 00 00 00 e8 a7 f3 eb ff f0 48 ff 83 c0 08 00 00 5b 41 5c 41 5e 41 5f 5d e9 12 0f a0 08 cc e8 ec 89 89 ff 90 <0f> 0b 90 eb 81 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5b ff ff ff
RSP: 0018:ffffc9000c767a10 EFLAGS: 00010283
RAX: ffffffff8236e854 RBX: ffff88805cdf30c0 RCX: 0000000000080000
RDX: ffffc9000da6a000 RSI: 0000000000000874 RDI: 0000000000000875
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1db618f R12: 1ffff1100b9be621
R13: ffff88803e5d6700 R14: ffff88805cdf3108 R15: dffffc0000000000
FS:  00007f4e399ad6c0(0000) GS:ffff888126d06000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055e96fd02950 CR3: 00000000302d2000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 nilfs_rename+0x46a/0x820 fs/nilfs2/namei.c:418
 vfs_rename+0xbb6/0xee0 fs/namei.c:5929
 do_renameat2+0x538/0x8f0 fs/namei.c:6047
 __do_sys_rename fs/namei.c:6090 [inline]
 __se_sys_rename fs/namei.c:6088 [inline]
 __x64_sys_rename+0x82/0x90 fs/namei.c:6088
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4e3b76f749
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:00007f4e399ad038 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007f4e3b9c6090 RCX: 00007f4e3b76f749
RDX: 0000000000000000 RSI: 00002000000000c0 RDI: 0000200000000000
RBP: 00007f4e3b7f3f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4e3b9c6128 R14: 00007f4e3b9c6090 R15: 00007ffc6fa5e628
 </TASK>