loop5: detected capacity change from 0 to 2048
UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000)
UDF-fs: error (device loop5): udf_fiiter_advance_blk: extent after position 0 not allocated in directory (ino 1408)
------------[ cut here ]------------
ret
WARNING: fs/udf/namei.c:214 at udf_expand_dir_adinicb fs/udf/namei.c:214 [inline], CPU#0: syz.5.489/8637
WARNING: fs/udf/namei.c:214 at udf_fiiter_add_entry+0x1a2c/0x2000 fs/udf/namei.c:262, CPU#0: syz.5.489/8637
Modules linked in:
CPU: 0 UID: 0 PID: 8637 Comm: syz.5.489 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:udf_expand_dir_adinicb fs/udf/namei.c:214 [inline]
RIP: 0010:udf_fiiter_add_entry+0x1a2c/0x2000 fs/udf/namei.c:262
Code: 41 d3 ed 45 01 f5 44 89 6c 24 40 e9 f5 fb ff ff e8 f9 38 70 fe 49 be f8 f8 f8 f8 f8 f8 f8 f8 e9 ae fe ff ff e8 e5 38 70 fe 90 <0f> 0b 90 e9 f6 f8 ff ff 89 d1 80 e1 07 38 c1 0f 8c d0 e6 ff ff 48
RSP: 0018:ffffc900050ff340 EFLAGS: 00010287
RAX: ffffffff8354ffab RBX: fffff52000a1fe8c RCX: 0000000000080000
RDX: ffffc9001d1fc000 RSI: 0000000000003209 RDI: 000000000000320a
RBP: ffffc900050ff750 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1008131a54 R12: dffffc0000000000
R13: ffffc900050ff9a0 R14: ffff88806227a818 R15: 00000000ffffff8b
FS:  00007f7b03b766c0(0000) GS:ffff888125c49000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7b03b54ff8 CR3: 000000003599c000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 udf_rename+0x750/0xdf0 fs/udf/namei.c:843
 vfs_rename+0xbd9/0xef0 fs/namei.c:6074
 filename_renameat2+0x533/0x9b0 fs/namei.c:6192
 __do_sys_rename fs/namei.c:6236 [inline]
 __se_sys_rename+0x55/0x2c0 fs/namei.c:6232
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7b0591de59
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:00007f7b03b76028 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007f7b05ba5fa0 RCX: 00007f7b0591de59
RDX: 0000000000000000 RSI: 0000200000000f40 RDI: 00002000000003c0
RBP: 00007f7b059b3e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7b05ba6038 R14: 00007f7b05ba5fa0 R15: 00007ffdfb49fdd8
 </TASK>