------------[ cut here ]------------
WARNING: fs/udf/udfdecl.h:123 at udf_updated_lvid fs/udf/udfdecl.h:121 [inline], CPU#1: syz-executor/6306
WARNING: fs/udf/udfdecl.h:123 at udf_add_fid_counter fs/udf/namei.c:342 [inline], CPU#1: syz-executor/6306
WARNING: fs/udf/udfdecl.h:123 at udf_unlink+0x548/0x6f0 fs/udf/namei.c:561, CPU#1: syz-executor/6306
Modules linked in:
CPU: 1 UID: 0 PID: 6306 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:udf_updated_lvid fs/udf/udfdecl.h:121 [inline]
RIP: 0010:udf_add_fid_counter fs/udf/namei.c:342 [inline]
RIP: 0010:udf_unlink+0x548/0x6f0 fs/udf/namei.c:561
Code: 05 7d 0c 33 0f 48 3b 84 24 40 01 00 00 75 22 89 d8 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 08 c9 7f fe <0f> 0b e9 ff fe ff ff e8 1c 47 fc 07 44 89 f1 80 e1 07 80 c1 03 38
RSP: 0018:ffffc90002ea7bc0 EFLAGS: 00010293
RAX: ffffffff834053c8 RBX: 00000000aaaaaaaa RCX: ffff88807f7b1e80
RDX: 0000000000000000 RSI: 00000000aaaaaaaa RDI: 0000000000000000
RBP: ffffc90002ea7d58 R08: ffffffff8f7d4577 R09: 1ffffffff1efa8ae
R10: dffffc0000000000 R11: fffffbfff1efa8af R12: dffffc0000000000
R13: ffff888060bd801f R14: 1ffff11004891cc7 R15: ffff88802448e638
FS:  000055558ccc0500(0000) GS:ffff8881261ea000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055558cceb648 CR3: 00000000797de000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 vfs_unlink+0x380/0x640 fs/namei.c:5369
 do_unlinkat+0x2cf/0x560 fs/namei.c:5439
 __do_sys_unlink fs/namei.c:5474 [inline]
 __se_sys_unlink fs/namei.c:5472 [inline]
 __x64_sys_unlink+0x47/0x50 fs/namei.c:5472
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x8a/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7effb7f8ecf7
Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 57 00 00 00 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:00007fff4e311a38 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007effb7f8ecf7
RDX: 00007fff4e311a60 RSI: 00007fff4e311af0 RDI: 00007fff4e311af0
RBP: 00007fff4e311af0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000206 R12: 00007fff4e312be0
R13: 00007effb8013d7d R14: 0000000000024c44 R15: 00007fff4e314da0
 </TASK>