UDF-fs: error (device loop1): udf_fiiter_advance_blk: extent after position 0 not allocated in directory (ino 1408)
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WARNING: CPU: 1 PID: 8320 at fs/udf/namei.c:214 udf_expand_dir_adinicb fs/udf/namei.c:214 [inline]
WARNING: CPU: 1 PID: 8320 at fs/udf/namei.c:214 udf_fiiter_add_entry+0x183e/0x1e10 fs/udf/namei.c:262
Modules linked in:
CPU: 1 UID: 0 PID: 8320 Comm: syz.1.710 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:udf_expand_dir_adinicb fs/udf/namei.c:214 [inline]
RIP: 0010:udf_fiiter_add_entry+0x183e/0x1e10 fs/udf/namei.c:262
Code: 44 89 f1 41 d3 ef 41 01 df 44 89 7c 24 20 48 8b 5c 24 10 e9 f0 fb ff ff e8 3f 85 8b fe 89 d8 e9 a8 fe ff ff e8 33 85 8b fe 90 <0f> 0b 90 e9 1e f9 ff ff 44 89 f9 80 e1 07 38 c1 0f 8c 93 e8 ff ff
RSP: 0018:ffffc9000cc0f320 EFLAGS: 00010293
RAX: ffffffff8333884d RBX: 00000000ffffff8b RCX: ffff88802db01e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000cc0f730 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed100859f0a1 R12: dffffc0000000000
R13: 1ffff92001981e88 R14: ffff8880486669b8 R15: 0000000000000200
FS:  00007f553991e6c0(0000) GS:ffff888126cc2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe6cc366000 CR3: 000000005b626000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 udf_rename+0x69b/0xcd0 fs/udf/namei.c:843
 vfs_rename+0xb34/0xe80 fs/namei.c:5216
 do_renameat2+0x6a2/0xa50 fs/namei.c:5364
 __do_sys_rename fs/namei.c:5411 [inline]
 __se_sys_rename fs/namei.c:5409 [inline]
 __x64_sys_rename+0x82/0x90 fs/namei.c:5409
 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: 0033:0x7f553a2aeec9
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:00007f553991e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007f553a505fa0 RCX: 00007f553a2aeec9
RDX: 0000000000000000 RSI: 00002000000000c0 RDI: 0000200000000040
RBP: 00007f553a331f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f553a506038 R14: 00007f553a505fa0 R15: 00007ffdb7af8078
 </TASK>