------------[ cut here ]------------
inode->i_nlink == 0
WARNING: fs/inode.c:418 at drop_nlink+0xc5/0x110 fs/inode.c:418, CPU#1: syz.3.20/6718
Modules linked in:
CPU: 1 UID: 0 PID: 6718 Comm: syz.3.20 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:drop_nlink+0xc5/0x110 fs/inode.c:418
Code: 58 07 00 00 be 08 00 00 00 e8 c7 85 e6 ff f0 48 ff 83 58 07 00 00 5b 41 5c 41 5e 41 5f 5d e9 12 7b 6a 09 cc e8 ac 1c 7d 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:ffffc900038f7a10 EFLAGS: 00010293
RAX: ffffffff824934d4 RBX: ffff888059108780 RCX: ffff888028de1e80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff90123cf7 R09: 1ffffffff202479e
R10: dffffc0000000000 R11: fffffbfff202479f R12: 1ffff1100b2210f9
R13: 0000000000000000 R14: ffff8880591087c8 R15: dffffc0000000000
FS:  00007efcf67fe6c0(0000) GS:ffff888125548000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa6cadce286 CR3: 000000007d8f8000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 nilfs_rename+0x4ce/0x8a0 fs/nilfs2/namei.c:418
 vfs_rename+0xa96/0xeb0 fs/namei.c:6048
 filename_renameat2+0x539/0x9c0 fs/namei.c:6166
 __do_sys_rename fs/namei.c:6210 [inline]
 __se_sys_rename+0x55/0x2c0 fs/namei.c:6206
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7efcf719a539
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007efcf67fe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007efcf7405fa0 RCX: 00007efcf719a539
RDX: 0000000000000000 RSI: 0000200000000180 RDI: 0000200000000040
RBP: 00007efcf722dee0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007efcf7406038 R14: 00007efcf7405fa0 R15: 00007ffc3cfc7b48
 </TASK>