UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000)
UDF-fs: warning (device loop3): udf_truncate_tail_extent: Too long extent after EOF in inode 1415: i_size: 0 lbcount: 512 extent 103+512
------------[ cut here ]------------
WARNING: CPU: 1 PID: 6311 at fs/udf/inode.c:2084 __udf_add_aext+0x540/0x6d0
Modules linked in:
CPU: 1 UID: 0 PID: 6311 Comm: syz.3.51 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__udf_add_aext+0x540/0x6d0
Code: 5f 5d c3 cc cc cc cc cc e8 6d 6b 88 fe 90 0f 0b 90 e9 14 fc ff ff e8 5f 6b 88 fe 90 0f 0b 90 e9 66 fd ff ff e8 51 6b 88 fe 90 <0f> 0b 90 e9 50 fd ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c f7
RSP: 0018:ffffc900029df300 EFLAGS: 00010283
RAX: ffffffff8337438f RBX: dffffc0000000000 RCX: 0000000000080000
RDX: ffffc90028450000 RSI: 000000000000023d RDI: 000000000000023e
RBP: 0000000000000010 R08: ffff888109b50000 R09: 0000000000000002
R10: 0000000000000001 R11: 0000000000000002 R12: 00000000000000d8
R13: 0000000000000008 R14: ffffc900029df720 R15: 0000000000000000
FS:  00007f97c67f66c0(0000) GS:ffff8881a3c15000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33a0cff8 CR3: 00000001143c0000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 udf_do_extend_file+0x576/0x1180
 udf_map_block+0xff2/0x45f0
 __udf_get_block+0x52/0x250
 __block_write_begin_int+0x6b5/0x1900
 block_write_begin+0x8a/0x120
 udf_write_begin+0x115/0x270
 generic_perform_write+0x2c5/0x900
 udf_file_write_iter+0x2d5/0x6c0
 vfs_write+0x5c9/0xb30
 __x64_sys_pwrite64+0x193/0x220
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f97c858eba9
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:00007f97c67f6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f97c87d5fa0 RCX: 00007f97c858eba9
RDX: 0000000000000002 RSI: 0000200000000140 RDI: 0000000000000007
RBP: 00007f97c8611e19 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000b57a R11: 0000000000000246 R12: 0000000000000000
R13: 00007f97c87d6038 R14: 00007f97c87d5fa0 R15: 00007fffdcc58988
 </TASK>
