------------[ cut here ]------------
byte_offset
WARNING: fs/udf/truncate.c:224 at udf_truncate_extents+0xd8d/0xf00 fs/udf/truncate.c:224, CPU#0: syz.3.78/6472
Modules linked in:
CPU: 0 UID: 0 PID: 6472 Comm: syz.3.78 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
RIP: 0010:udf_truncate_extents+0xd8d/0xf00 fs/udf/truncate.c:224
Code: 30 e1 0e 48 3b 84 24 80 01 00 00 75 7a 44 89 e0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 0a dd cc 07 cc e8 54 f4 7e fe 90 <0f> 0b 90 e9 64 ff ff ff 44 89 e9 80 e1 07 38 c1 0f 8c e0 f3 ff ff
RSP: 0018:ffffc9000dcb77c0 EFLAGS: 00010283
RAX: ffffffff8344401c RBX: 1ffff1100cfcd1ca RCX: 0000000000080000
RDX: ffffc9000e749000 RSI: 0000000000000a25 RDI: 0000000000000a26
RBP: ffffc9000dcb7988 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000118 R15: 0000000000000118
FS:  00007fc35e5166c0(0000) GS:ffff8881265c9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc35e4f4ff8 CR3: 0000000033e8e000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 udf_write_failed+0x18b/0x1c0 fs/udf/inode.c:178
 udf_direct_IO+0x1c8/0x210 fs/udf/inode.c:314
 generic_file_direct_write+0x1dc/0x3e0 mm/filemap.c:4248
 __generic_file_write_iter+0x120/0x240 mm/filemap.c:4417
 udf_file_write_iter+0x2d5/0x6c0 fs/udf/file.c:111
 do_iter_readv_writev+0x62b/0x8d0 fs/read_write.c:-1
 vfs_writev+0x345/0x9a0 fs/read_write.c:1057
 do_pwritev fs/read_write.c:1153 [inline]
 __do_sys_pwritev2 fs/read_write.c:1211 [inline]
 __se_sys_pwritev2+0x187/0x2b0 fs/read_write.c:1202
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc3602baeb9
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:00007fc35e516028 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
RAX: ffffffffffffffda RBX: 00007fc360535fa0 RCX: 00007fc3602baeb9
RDX: 0000000000000001 RSI: 0000200000000000 RDI: 0000000000000006
RBP: 00007fc360328c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000005412 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc360536038 R14: 00007fc360535fa0 R15: 00007ffc3aad22a8
 </TASK>