------------[ cut here ]------------
WARNING: CPU: 0 PID: 7427 at fs/udf/truncate.c:224 udf_truncate_extents+0xd4c/0xec0 fs/udf/truncate.c:224
Modules linked in:
CPU: 0 UID: 0 PID: 7427 Comm: syz.6.151 Not tainted 6.16.0-rc2-syzkaller-00378-gb67ec639010f #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:udf_truncate_extents+0xd4c/0xec0 fs/udf/truncate.c:224
Code: e3 63 0f 48 3b 84 24 80 01 00 00 75 77 44 89 e0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 8b 45 2c 08 cc e8 85 7f 8a fe 90 <0f> 0b 90 eb 88 44 89 e9 80 e1 07 38 c1 0f 8c e4 f3 ff ff 4c 89 ef
RSP: 0018:ffffc9000ba078a0 EFLAGS: 00010283
RAX: ffffffff8335cc9b RBX: 1ffff1100aac40d4 RCX: 0000000000080000
RDX: ffffc90004591000 RSI: 000000000000076c RDI: 000000000000076d
RBP: ffffc9000ba07a78 R08: ffff888026edbc00 R09: 0000000000000002
R10: 0000000000000001 R11: 0000000000000002 R12: 0000000000000000
R13: 0000000000000000 R14: 000000000000000a R15: 000000000000000a
FS:  00007f9ba2c236c0(0000) GS:ffff888125c85000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5a971ff000 CR3: 0000000076690000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 udf_write_failed+0x185/0x1c0 fs/udf/inode.c:178
 udf_write_begin+0x1fd/0x260 fs/udf/inode.c:259
 generic_perform_write+0x2c7/0x910 mm/filemap.c:4112
 udf_file_write_iter+0x2d5/0x6c0 fs/udf/file.c:111
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x548/0xa90 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+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9ba1d8e929
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:00007f9ba2c23038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f9ba1fb5fa0 RCX: 00007f9ba1d8e929
RDX: 0000000000001006 RSI: 0000200000001800 RDI: 0000000000000005
RBP: 00007f9ba1e10b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f9ba1fb5fa0 R15: 00007ffd95db4868
 </TASK>