loop0: detected capacity change from 0 to 2048
UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 512 failed
UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000)
loop0: detected capacity change from 2048 to 0
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4244 at fs/udf/truncate.c:209 udf_truncate_extents+0x1065/0x12a0
Modules linked in:
CPU: 1 PID: 4244 Comm: syz-executor710 Not tainted 6.1.124-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:udf_truncate_extents+0x1065/0x12a0 fs/udf/truncate.c:209
Code: 25 28 00 00 00 48 3b 84 24 a0 01 00 00 0f 85 3f 02 00 00 44 89 f8 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 bb 27 7f fe <0f> 0b eb 95 48 8d 8c 24 60 01 00 00 80 e1 07 80 c1 03 38 c1 0f 8c
RSP: 0018:ffffc90003a07840 EFLAGS: 00010293
RAX: ffffffff830b7445 RBX: ffff88807389e018 RCX: ffff888026863b80
RDX: 0000000000000000 RSI: 0000000007743c08 RDI: 0000000000000000
RBP: ffffc90003a07a30 R08: ffffffff830b68ae R09: ffffffff830951e9
R10: 0000000000000002 R11: ffff888026863b80 R12: ffffc90003a07920
R13: 0000000007743c08 R14: dffffc0000000000 R15: 0000000000000000
FS:  000055557751e380(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005645b5360578 CR3: 0000000078f59000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 udf_setsize+0x100a/0x1430 fs/udf/inode.c:1174
 udf_setattr+0x36c/0x540 fs/udf/file.c:279
 notify_change+0xce3/0xfc0 fs/attr.c:499
 do_truncate+0x21c/0x300 fs/open.c:65
 vfs_truncate+0x2dd/0x3a0 fs/open.c:111
 do_sys_truncate+0xda/0x190 fs/open.c:134
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f78c2931b79
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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:00007ffd1bf11028 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
RAX: ffffffffffffffda RBX: 00007ffd1bf111f8 RCX: 00007f78c2931b79
RDX: 00007f78c2931b79 RSI: 0000000008000008 RDI: 00000000200000c0
RBP: 00007f78c29aa610 R08: 00007ffd1bf111f8 R09: 00007ffd1bf111f8
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffd1bf111e8 R14: 0000000000000001 R15: 0000000000000001
 </TASK>