------------[ cut here ]------------
byte_offset
WARNING: fs/udf/truncate.c:224 at udf_truncate_extents+0xd79/0xef0 fs/udf/truncate.c:224, CPU#0: syz.0.0/5315
Modules linked in:
CPU: 0 UID: 0 PID: 5315 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:udf_truncate_extents+0xd79/0xef0 fs/udf/truncate.c:224
Code: db 0b 10 48 3b 84 24 80 01 00 00 75 7a 44 89 f0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 be 23 75 08 cc e8 b8 cc 64 fe 90 <0f> 0b 90 e9 67 ff ff ff 44 89 f9 80 e1 07 38 c1 0f 8c f3 f3 ff ff
RSP: 0018:ffffc9000f5e77c0 EFLAGS: 00010283
RAX: ffffffff83624528 RBX: 000000000000000a RCX: 0000000000100000
RDX: ffffc90020001000 RSI: 0000000000000675 RDI: 0000000000000676
RBP: ffffc9000f5e79a0 R08: ffff8880009f0000 R09: 0000000000000002
R10: 0000000000000001 R11: 0000000000000002 R12: 000000000000000a
R13: 1ffff110087c773d R14: 0000000000000000 R15: 0000000000000000
FS:  00007f47207c26c0(0000) GS:ffff88808c53e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000004000 CR3: 000000003fde1000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 udf_write_failed+0x168/0x1b0 fs/udf/inode.c:180
 udf_direct_IO+0x1c6/0x200 fs/udf/inode.c:313
 generic_file_direct_write+0x1d0/0x3f0 mm/filemap.c:4298
 __generic_file_write_iter+0x11d/0x230 mm/filemap.c:4467
 udf_file_write_iter+0x2e8/0x6c0 fs/udf/file.c:112
 do_iter_readv_writev+0x612/0x8c0 fs/read_write.c:-1
 vfs_writev+0x343/0x990 fs/read_write.c:1058
 do_pwritev fs/read_write.c:1154 [inline]
 __do_sys_pwritev2 fs/read_write.c:1212 [inline]
 __se_sys_pwritev2+0x177/0x2a0 fs/read_write.c:1203
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f471f99e0d9
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:00007f47207c1fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
RAX: ffffffffffffffda RBX: 00007f471fc26090 RCX: 00007f471f99e0d9
RDX: 0000000000000001 RSI: 0000200000000240 RDI: 0000000000000004
RBP: 00007f471fa35024 R08: 0000000000000000 R09: 0000000000000003
R10: 0000000000007a00 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f471fc26128 R14: 00007f471fc26090 R15: 00007ffc46427578
 </TASK>