loop0: detected capacity change from 0 to 2048
UDF-fs: error (device loop0): udf_process_sequence: Primary Volume Descriptor not found!
UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000)
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4162 at fs/udf/inode.c:635 udf_setsize+0xd00/0x12b0
Modules linked in:
CPU: 0 PID: 4162 Comm: syz-executor.0 Not tainted 6.1.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:udf_extend_file fs/udf/inode.c:634 [inline]
RIP: 0010:udf_setsize+0xd00/0x12b0 fs/udf/inode.c:1234
Code: 05 00 00 89 d8 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 89 c3 48 b9 00 00 00 00 00 fc ff df 4c 8b 64 24 20 e9 17 fe ff ff <0f> 0b e9 9e f9 ff ff 44 89 c1 80 e1 07 38 c1 0f 8c ab f3 ff ff 4c
RSP: 0018:ffffc9000498fb00 EFLAGS: 00010287
RAX: ffff88807379888a RBX: 0000000000000800 RCX: 0000000000000009
RDX: dffffc0000000000 RSI: 0000000000000004 RDI: 0000000000000001
RBP: ffffc9000498fcd0 R08: dffffc0000000000 R09: ffffed100e6f30f1
R10: ffffed100e6f30f1 R11: 1ffff1100e6f30f0 R12: 0000000000000009
R13: 1ffff1100e6f3111 R14: 0000000000001000 R15: 1ffff92000931f70
FS:  00007f6e560cf700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020002140 CR3: 000000001c4f6000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 udf_setattr+0x2ac/0x440 fs/udf/file.c:281
 notify_change+0x91c/0xbe0 fs/attr.c:420
 do_truncate+0x1a3/0x2b0 fs/open.c:65
 do_sys_ftruncate+0x230/0x2f0 fs/open.c:193
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f6e5528c0d9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6e560cf168 EFLAGS: 00000246 ORIG_RAX: 000000000000004d
RAX: ffffffffffffffda RBX: 00007f6e553abf80 RCX: 00007f6e5528c0d9
RDX: 0000000000000000 RSI: 00000000000007fb RDI: 0000000000000004
RBP: 00007f6e552e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc5d4abb6f R14: 00007f6e560cf300 R15: 0000000000022000
 </TASK>