Non-root users can change modes for root-owned files and directories

[hello-smile6]

For some reason, non-root users can change modes on files and directories owned by root (e.g. /root).

Steps to reproduce

1. Open iSH
2. Check ls -lahd /root
3. Add a new user nonroot.
4. Do su nonroot -c "chmod o+rx /root"
5. Check ls -lahd /root again.

Full test

ls -lahd /root
adduser -S -D -H nonroot
su nonroot -c "chmod o+rx /root"
ls -lahd /root
deluser nonroot

[hello-smile6]

It seems like the same issue exists for chown.

[freebrowser1]

Maybe because this is a prooted / chrooted Linux running inside iOS like Andronix / Termux on Android ?

[hello-smile6]

@freebrowser1 iSH emulates kernel things, so that shouldn't be the case.