------------[ cut here ]------------
WARNING: CPU: 0 PID: 4661 at fs/inode.c:332 drop_nlink+0xbb/0x100 fs/inode.c:332
Modules linked in:
CPU: 0 PID: 4661 Comm: syz.4.60 Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:drop_nlink+0xbb/0x100 fs/inode.c:332
Code: 48 8b 1b 48 8d bb c8 07 00 00 be 08 00 00 00 e8 0b 12 ef ff f0 48 ff 83 c8 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 e8 15 ad aa ff <0f> 0b eb 88 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 62 ff ff ff 4c
RSP: 0018:ffffc9000530f750 EFLAGS: 00010287
RAX: ffffffff81cd170b RBX: ffff888074f39af8 RCX: 0000000000080000
RDX: ffffc9000c639000 RSI: 000000000001132d RDI: 000000000001132e
RBP: 0000000000000000 R08: ffff8880200bbb80 R09: 0000000000000002
R10: 000000003b9aca00 R11: 0000000000000002 R12: 1ffff1100e9e7368
R13: dffffc0000000000 R14: ffff888074f39b40 R15: dffffc0000000000
FS:  00007f07c34aa6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055556d69e5c8 CR3: 0000000063d5d000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 inode_dec_link_count include/linux/fs.h:2503 [inline]
 udf_rename+0x8f6/0xb20 fs/udf/namei.c:850
 vfs_rename+0xbbf/0x10d0 fs/namei.c:4832