------------[ cut here ]------------
within_last_ext && elen > ((loff_t)offset + 1) << inode->i_blkbits
WARNING: fs/udf/inode.c:684 at udf_setsize+0xde9/0x10b0, CPU#0: syz.6.101/6723
Modules linked in:
CPU: 0 UID: 0 PID: 6723 Comm: syz.6.101 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+0xde9/0x10b0
Code: 44 89 e0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 5b 31 36 08 cc e8 15 1a 7d fe 45 89 f4 e9 2a fe ff ff e8 08 1a 7d fe 90 <0f> 0b 90 e9 90 f7 ff ff 44 89 f1 80 e1 07 38 c1 0f 8c ab f2 ff ff
RSP: 0018:ffffc9000291f9c0 EFLAGS: 00010283
RAX: ffffffff83457f98 RBX: ffff88811a6aba28 RCX: 0000000000080000
RDX: ffffc90029eec000 RSI: 00000000000004c0 RDI: 00000000000004c1
RBP: ffffc9000291fb20 R08: ffff88811a6ab9eb R09: 1ffff110234d573d
R10: dffffc0000000000 R11: ffffed10234d573e R12: 0000000000000001
R13: 1ffff92000523f4c R14: 0000000000000800 R15: 0000000000001000
FS:  00007f97ce8b76c0(0000) GS:ffff88818e326000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b318fbff8 CR3: 0000000112590000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 udf_setattr+0x3a1/0x5a0
 notify_change+0xc1a/0xf40
 do_truncate+0x1c2/0x250
 vfs_truncate+0x4b4/0x540
 do_sys_truncate+0xf1/0x1c0
 __x64_sys_truncate+0x5b/0x70
 do_syscall_64+0xe2/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f97cd99acb9
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:00007f97ce8b7028 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
RAX: ffffffffffffffda RBX: 00007f97cdc15fa0 RCX: 00007f97cd99acb9
RDX: 0000000000000000 RSI: 00000000000006e3 RDI: 00002000000000c0
RBP: 00007f97cda08bf7 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f97cdc16038 R14: 00007f97cdc15fa0 R15: 00007ffcfed10ad8
 </TASK>
