------------[ cut here ]------------
WARNING: CPU: 0 PID: 19666 at fs/udf/inode.c:684 udf_setsize+0xd4e/0x1000
Modules linked in:
CPU: 0 UID: 0 PID: 19666 Comm: syz.4.2311 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_setsize+0xd4e/0x1000
Code: 44 89 e0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 86 40 46 08 cc e8 90 90 89 fe 45 89 f4 e9 49 fe ff ff e8 83 90 89 fe 90 <0f> 0b 90 e9 00 f8 ff ff 44 89 e9 80 e1 07 38 c1 0f 8c 49 f3 ff ff
RSP: 0018:ffffc90002affac0 EFLAGS: 00010293
RAX: ffffffff83361aad RBX: ffff888039dc3ab8 RCX: ffff88802203d640
RDX: 0000000000000000 RSI: 0000000000001000 RDI: 0000000000000200
RBP: ffffc90002affbe8 R08: ffff888039dc3a7b R09: 1ffff110073b874f
R10: dffffc0000000000 R11: ffffed10073b8750 R12: 0000000000000001
R13: 0000000000000005 R14: 0000000000000200 R15: 0000000000001000
FS:  00007fd5610356c0(0000) GS:ffff8880b861b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd561034fc8 CR3: 0000000034d5a000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 udf_setattr+0x3a1/0x5a0
 notify_change+0xb36/0xe40
 do_truncate+0x1a4/0x220
 do_ftruncate+0x489/0x540
 __x64_sys_ftruncate+0x92/0xf0
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd56018ebe9
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:00007fd561035038 EFLAGS: 00000246 ORIG_RAX: 000000000000004d
RAX: ffffffffffffffda RBX: 00007fd5603b6180 RCX: 00007fd56018ebe9
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004
RBP: 00007fd560211e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd5603b6218 R14: 00007fd5603b6180 R15: 00007ffc5a044eb8
 </TASK>
