nydus-image inspect panics

[changweige]

It panics when perform prefetch command

-    235      "\xE2\xE3\xB7席\xB7\xFB\xB3\xB5\xE2\xEF\xE2\u{2cf4}\xE2\xE7\xB7\xFE\xB7\xF4\xE2\xFC\xE2\xF5\xE2\xF6\xB7\xF6ӺӮӼ\xE2\xF8.regular"
Inspecting Rafs :> prefetch
Prefetched Files: 1
[2022-09-27 12:54:15.946612 +08:00] ERROR [/home/gechangwei/.cargo/registry/src/mirrors.sjtug.sjtu.edu.cn-4f7dbcce21e258a2/log-panics-2.1.0/src/lib.rs:130] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Custom { kind: NotFound, error: "No such file or directory (os error 2): rafs/src/metadata/direct_v6.rs:820" }': rafs/src/metadata/direct_v6.rs:1163
   0: backtrace::capture::Backtrace::create
   1: backtrace::capture::Backtrace::new

Aborted (core dumped)

[imeoer]

@YushuoEdge PTAL if have any chance :)

[changweige]

The root cause is that the regular file inode does not point to its parent dir. To fix this, must have a way similar to lookup