------------[ cut here ]------------
byte_offset
WARNING: fs/udf/truncate.c:224 at udf_truncate_extents+0xd92/0xf00, CPU#0: syz.0.50/5956
Modules linked in:
CPU: 0 UID: 0 PID: 5956 Comm: syz.0.50 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:udf_truncate_extents+0xd92/0xf00
Code: 68 1d 0f 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 d5 a5 d9 07 cc e8 4f 24 72 fe 90 <0f> 0b 90 e9 64 ff ff ff 44 89 e9 80 e1 07 38 c1 0f 8c da f3 ff ff
RSP: 0018:ffffc900087673e0 EFLAGS: 00010283
RAX: ffffffff8352a7d1 RBX: 1ffff1102f575790 RCX: 0000000000080000
RDX: ffffc90009249000 RSI: 00000000000009ad RDI: 00000000000009ae
RBP: ffffc900087675b8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 000000000000000a R15: 000000000000000a
FS:  00007f9bd7e9e6c0(0000) GS:ffff88818e91f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9bd9c36980 CR3: 000000011304a000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 udf_write_failed+0x18b/0x1c0
 udf_write_begin+0x217/0x270
 generic_perform_write+0x2af/0x8b0
 __generic_file_write_iter+0x1b1/0x240
 udf_file_write_iter+0x2d5/0x6c0
 iter_file_splice_write+0x9a6/0x10f0
 direct_splice_actor+0x104/0x160
 splice_direct_to_actor+0x545/0xc80
 do_splice_direct+0x19b/0x2a0
 do_sendfile+0x547/0x7e0
 __se_sys_sendfile64+0x144/0x1a0
 do_syscall_64+0x15f/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9bd9c4cdd9
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:00007f9bd7e9e028 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f9bd9ec5fa0 RCX: 00007f9bd9c4cdd9
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000007
RBP: 00007f9bd9ce2d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020fffe82 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9bd9ec6038 R14: 00007f9bd9ec5fa0 R15: 00007fff8f246d48
 </TASK>
