loop0: detected capacity change from 0 to 2048
UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000)
loop0: detected capacity change from 2048 to 1791
------------[ cut here ]------------
byte_offset
WARNING: fs/udf/truncate.c:224 at udf_truncate_extents+0xd79/0xef0 fs/udf/truncate.c:224, CPU#0: syz.0.0/5322
Modules linked in:
CPU: 0 UID: 0 PID: 5322 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: 94 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 c3 cc cc cc cc cc e8 b8 e7 63 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:ffffc9000f3a7840 EFLAGS: 00010283
RAX: ffffffff83632b78 RBX: 00000020fffbfffa RCX: 0000000000100000
RDX: ffffc9000e9e9000 RSI: 0000000000001296 RDI: 0000000000001297
RBP: ffffc9000f3a7a10 R08: ffff8880316fcb00 R09: 0000000000000002
R10: 0000000000000001 R11: 0000000000000002 R12: 0000001cbffc21fa
R13: 1ffff1100881a8d7 R14: 0000000000000000 R15: 0000001cbffc2000
FS:  00007f6fd07f56c0(0000) GS:ffff88808c534000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f64e01d3000 CR3: 000000003e977000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 udf_setsize+0x988/0xf50 fs/udf/inode.c:1317
 udf_setattr+0x412/0x6f0 fs/udf/file.c:238
 notify_change+0xbba/0xea0 fs/attr.c:556
 do_truncate+0x1c2/0x250 fs/open.c:68
 vfs_truncate+0x4b4/0x540 fs/open.c:118
 ksys_truncate+0xf3/0x1c0 fs/open.c:142
 __do_sys_truncate fs/open.c:154 [inline]
 __se_sys_truncate fs/open.c:152 [inline]
 __x64_sys_truncate+0x5b/0x70 fs/open.c:152
 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: 0033:0x7f6fd439e0d9
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:00007f6fd07f4fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
RAX: ffffffffffffffda RBX: 00007f6fd4625fa0 RCX: 00007f6fd439e0d9
RDX: 0000000000000000 RSI: 00000020fffbfffa RDI: 0000200000000340
RBP: 00007f6fd4435024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6fd4626038 R14: 00007f6fd4625fa0 R15: 00007ffe60d189f8
 </TASK>