loop0: detected capacity change from 0 to 2048
UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000)
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6622 at fs/udf/inode.c:2088 __udf_add_aext+0x523/0x6d0 fs/udf/inode.c:2087
Modules linked in:
CPU: 0 UID: 0 PID: 6622 Comm: syz.0.16 Not tainted 6.16.0-syzkaller-10355-gf2d282e1dfb3 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:__udf_add_aext+0x523/0x6d0 fs/udf/inode.c:2087
Code: 53 94 eb fe 49 8b 3e 4c 89 e6 e8 e8 a1 0d ff 31 c0 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d e9 93 4a ea 07 cc e8 9d 4c 88 fe <0f> 0b e9 16 fc ff ff e8 91 4c 88 fe 0f 0b e9 6a fd ff ff e8 85 4c
RSP: 0018:ffffc90003eaf4a0 EFLAGS: 00010293
RAX: ffffffff83363a13 RBX: dffffc0000000000 RCX: ffff88807bc89e00
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
RBP: 1ffff920007d5ecf R08: ffff88807bc89e00 R09: 0000000000000002
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000004 R14: ffffc90003eaf670 R15: ffffc90003eaf678
FS:  00007fa02b3fe6c0(0000) GS:ffff88812645a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000561229a55950 CR3: 0000000074934000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 udf_add_aext fs/udf/inode.c:2145 [inline]
 udf_insert_aext fs/udf/inode.c:2324 [inline]
 udf_update_extents fs/udf/inode.c:1212 [inline]
 inode_getblk fs/udf/inode.c:926 [inline]
 udf_map_block+0x358d/0x45f0 fs/udf/inode.c:454
 __udf_get_block+0x52/0x250 fs/udf/inode.c:468
 __block_write_begin_int+0x6b5/0x18f0 fs/buffer.c:2145
 block_write_begin+0x8a/0x120 fs/buffer.c:2256
 udf_write_begin+0x115/0x270 fs/udf/inode.c:262
 generic_perform_write+0x2c5/0x900 mm/filemap.c:4175
 udf_file_write_iter+0x2d5/0x6c0 fs/udf/file.c:111
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x54b/0xa90 fs/read_write.c:686
 ksys_write+0x145/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x8a/0x300 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fa02c18e9a9
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:00007fa02b3fe038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fa02c3b5fa0 RCX: 00007fa02c18e9a9
RDX: 0000000000000035 RSI: 000020000000a080 RDI: 0000000000000004
RBP: 00007fa02c210d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fa02c3b5fa0 R15: 00007ffd0d856458
 </TASK>