------------[ cut here ]------------
WARNING: fs/udf/truncate.c:224 at udf_truncate_extents+0xd4c/0xec0, CPU#1: syz.0.868/9353
Modules linked in:
CPU: 1 UID: 0 PID: 9353 Comm: syz.0.868 Not tainted syzkaller #0 PREEMPT(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+0xd4c/0xec0
Code: 5d 84 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 1b a2 44 08 cc e8 95 78 82 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:ffffc900085077a0 EFLAGS: 00010287
RAX: ffffffff833de28b RBX: 1ffff11006144980 RCX: 0000000000080000
RDX: ffffc9002179b000 RSI: 00000000000004cb RDI: 00000000000004cc
RBP: ffffc90008507968 R08: ffff888106313a00 R09: 0000000000000002
R10: 0000000000000001 R11: 0000000000000002 R12: 0000000000000000
R13: 0000000000000000 R14: 000000000000000a R15: 000000000000000a
FS:  00007fb2116a76c0(0000) GS:ffff8881a39fc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b321fbff8 CR3: 000000002448a000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 udf_write_failed+0x185/0x1c0
 udf_direct_IO+0x1c6/0x200
 generic_file_direct_write+0x1db/0x3e0
 __generic_file_write_iter+0x11d/0x230
 udf_file_write_iter+0x2d5/0x6c0
 do_iter_readv_writev+0x623/0x8c0
 vfs_writev+0x31a/0x960
 __se_sys_pwritev2+0x179/0x290
 do_syscall_64+0xfa/0xfa0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb21078ec29
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:00007fb2116a7038 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
RAX: ffffffffffffffda RBX: 00007fb2109d6090 RCX: 00007fb21078ec29
RDX: 0000000000000001 RSI: 0000200000000240 RDI: 0000000000000008
RBP: 00007fb210811e41 R08: 0000000000000000 R09: 0000000000000005
R10: 0000000000002000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb2109d6128 R14: 00007fb2109d6090 R15: 00007ffe361a4c58
 </TASK>
