loop0: detected capacity change from 0 to 256
UDF-fs: error (device loop0): udf_read_tagged: read failed, block=256, location=256
UDF-fs: error (device loop0): udf_read_tagged: read failed, block=512, location=512
UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 512 failed
UDF-fs: error (device loop0): udf_read_tagged: read failed, block=256, location=256
UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000)
UDF-fs: warning (device loop0): udf_truncate_tail_extent: Too long extent after EOF in inode 65: i_size: 0 lbcount: 4096 extent 22+4096
netlink: 26 bytes leftover after parsing attributes in process `syz.0.0'.
------------[ cut here ]------------
iinfo->i_lenAlloc != epos->offset - udf_file_entry_alloc_offset(inode)
WARNING: fs/udf/inode.c:2082 at __udf_add_aext+0x547/0x6e0 fs/udf/inode.c:2081, CPU#0: syz.0.0/5319
Modules linked in:
CPU: 0 UID: 0 PID: 5319 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:__udf_add_aext+0x547/0x6e0 fs/udf/inode.c:2081
Code: 5f 5d c3 cc cc cc cc cc e8 36 59 6a fe 90 0f 0b 90 e9 0d fc ff ff e8 28 59 6a fe 90 0f 0b 90 e9 5f fd ff ff e8 1a 59 6a fe 90 <0f> 0b 90 e9 49 fd ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c f0
RSP: 0018:ffffc90003c1f340 EFLAGS: 00010287
RAX: ffffffff835bd6d6 RBX: dffffc0000000000 RCX: 0000000000100000
RDX: ffffc90020001000 RSI: 000000000000032c RDI: 000000000000032d
RBP: 0000000000000010 R08: ffff88801f6dca80 R09: 0000000000000002
R10: 0000000000000001 R11: 0000000000000002 R12: 00000000000000b0
R13: 0000000000000000 R14: ffffc90003c1f740 R15: 0000000000000000
FS:  00007f22d75f56c0(0000) GS:ffff88808c85f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000561868fc3168 CR3: 0000000043797000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 udf_add_aext fs/udf/inode.c:2143 [inline]
 udf_do_extend_file+0x5a5/0x11e0 fs/udf/inode.c:550
 inode_getblk fs/udf/inode.c:842 [inline]
 udf_map_block+0xfc0/0x4280 fs/udf/inode.c:453
 __udf_get_block+0x52/0x250 fs/udf/inode.c:467
 __block_write_begin_int+0x6c2/0x1900 fs/buffer.c:2123
 block_write_begin+0x8d/0x120 fs/buffer.c:2234
 udf_write_begin+0x118/0x270 fs/udf/inode.c:261
 generic_perform_write+0x2d5/0x8f0 mm/filemap.c:4336
 udf_file_write_iter+0x2e8/0x6c0 fs/udf/file.c:112
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x612/0xba0 fs/read_write.c:687
 ksys_pwrite64 fs/read_write.c:794 [inline]
 __do_sys_pwrite64 fs/read_write.c:802 [inline]
 __se_sys_pwrite64 fs/read_write.c:799 [inline]
 __x64_sys_pwrite64+0x196/0x220 fs/read_write.c:799
 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: 0033:0x7f22db19ce59
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:00007f22d75f4fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f22db415fa0 RCX: 00007f22db19ce59
RDX: 0000000000000001 RSI: 0000200000000140 RDI: 0000000000000007
RBP: 00007f22db232d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000008080c61 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f22db416038 R14: 00007f22db415fa0 R15: 00007ffd23985bb8
 </TASK>