loop0: detected capacity change from 0 to 2048
UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000)
UDF-fs: error (device loop0): udf_fiiter_advance_blk: extent after position 0 not allocated in directory (ino 1408)
------------[ cut here ]------------
WARNING: CPU: 1 PID: 7527 at fs/udf/namei.c:214 udf_expand_dir_adinicb+0xbf6/0xf00 fs/udf/namei.c:214
Modules linked in:
CPU: 1 UID: 0 PID: 7527 Comm: syz.0.295 Not tainted 6.16.0-rc1-syzkaller-gf09079bd04a9 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:udf_expand_dir_adinicb+0xbf6/0xf00 fs/udf/namei.c:214
Code: 01 00 00 00 e8 7b 1c fe ff 8b 5c 24 60 e9 aa f6 ff ff e8 2d 1f 7d fe 4c 89 ef e8 75 6a 08 ff e9 ac f8 ff ff e8 1b 1f 7d fe 90 <0f> 0b 90 e9 88 fe ff ff bb 8b ff ff ff e9 80 f6 ff ff bb f4 ff ff
RSP: 0018:ffffc90003af7400 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 00000000ffffff8b RCX: ffffffff833efb6e
RDX: ffff888028809e00 RSI: ffffffff833efce5 RDI: 0000000000000005
RBP: ffffc90003af7680 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000ffffff8b R11: 0000000000000001 R12: 00000000ffffff8b
R13: ffff88807257d0e8 R14: 0000000000000000 R15: ffff8880726cc140
FS:  00007f925e2d66c0(0000) GS:ffff88812485b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555588f5b588 CR3: 000000005bb61000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 udf_fiiter_add_entry+0xcf0/0x10d0 fs/udf/namei.c:262
 udf_rename+0x902/0xd90 fs/udf/namei.c:843
 vfs_rename+0xf64/0x2250 fs/namei.c:5128
 do_renameat2+0x82b/0xc90 fs/namei.c:5277
 __do_sys_renameat2 fs/namei.c:5311 [inline]
 __se_sys_renameat2 fs/namei.c:5308 [inline]
 __x64_sys_renameat2+0xe7/0x130 fs/namei.c:5308
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f925d38e969
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:00007f925e2d6038 EFLAGS: 00000246 ORIG_RAX: 000000000000013c
RAX: ffffffffffffffda RBX: 00007f925d5b5fa0 RCX: 00007f925d38e969
RDX: 0000000000000004 RSI: 0000200000000080 RDI: ffffffffffffff9c
RBP: 00007f925d410ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000200000000980 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f925d5b5fa0 R15: 00007ffe79271e58
 </TASK>