sudo and pkexec do not work

[CicadaSeventeen]

Expected Behavior

sudo to run as root in proot container pkexec to run root-requiring program with the define of polkit

Actual Behavior

sudo and pkexec do not work

Steps to Reproduce the Problem

1. export docker image to /tem
2. sudo chown -R root:root /tem
3. sudo chmod 4755 /usr/bin/sudo
4. sudo chmod 4755 /etc/sudo.conf
5. sudo chmod 4755 /usr/bin/pkexec
6. input proot -R /tem to enter container

Specifications

• Proot/Care version: 5.30
• Kernel version: 5.3
• Host distribution: openSUSE leap 15.3
• Guest distribution: Debian 11 ( from dockerhub image )

Command Output

sudo :

 effective uid is not 0, is /usr/bin/sudo on a file system with the 'nosuid' option set or an NFS file system without root privileges?

pkexec:

pkexec must be setuid root

[CicadaSeventeen]

Not work with proot -0 -R /tem pkexec does work with sudo -E proot -0 -R /tem but it is meaningless because the propose or pkexec is to get permission without su and sudo