------------[ cut here ]------------
WARNING: CPU: 0 PID: 7796 at fs/udf/truncate.c:224 udf_truncate_extents+0xd46/0xeb0 fs/udf/truncate.c:224
Modules linked in:
CPU: 0 PID: 7796 Comm: syz.1.338 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:udf_truncate_extents+0xd46/0xeb0 fs/udf/truncate.c:224
Code: 65 48 8b 04 25 28 00 00 00 48 3b 84 24 80 01 00 00 75 70 44 89 e0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 2a 90 8d fe <0f> 0b eb 8e 44 89 e9 80 e1 07 38 c1 0f 8c ec f3 ff ff 4c 89 ef e8
RSP: 0018:ffffc900034279a0 EFLAGS: 00010283
RAX: ffffffff82f80096 RBX: 1ffff1100b877409 RCX: 0000000000080000
RDX: ffffc9000ce9b000 RSI: 000000000000dc97 RDI: 000000000000dc98
RBP: ffffc90003427b68 R08: ffff888019310000 R09: 0000000000000002
R10: 0000000000000001 R11: 0000000000000002 R12: 0000000000000000
R13: 0000000000000000 R14: 00000000000000a0 R15: 00000000000000a0
FS:  00007f21c3bf66c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9076d4b000 CR3: 000000005d734000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 udf_write_failed+0x180/0x1b0 fs/udf/inode.c:178
 udf_direct_IO+0x1c3/0x200 fs/udf/inode.c:311
 generic_file_direct_write+0x1d4/0x3e0 mm/filemap.c:3956
 __generic_file_write_iter+0x11b/0x230 mm/filemap.c:4112
 udf_file_write_iter+0x2c0/0x620 fs/udf/file.c:111
 call_write_iter include/linux/fs.h:2018 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x43b/0x940 fs/read_write.c:584
 ksys_pwrite64 fs/read_write.c:699 [inline]
 __do_sys_pwrite64 fs/read_write.c:709 [inline]
 __se_sys_pwrite64 fs/read_write.c:706 [inline]
 __x64_sys_pwrite64+0x195/0x220 fs/read_write.c:706
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f21c598f749
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:00007f21c3bf6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f21c5be5fa0 RCX: 00007f21c598f749
RDX: 0000000000000001 RSI: 0000200000000000 RDI: 000000000000000c
RBP: 00007f21c5a13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000404043000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f21c5be6038 R14: 00007f21c5be5fa0 R15: 00007ffcfd7ae5e8
 </TASK>