[lxc-devel] mounting mqueue in a user namespace

[Thomas Tanaka]

Hi,

This question might not be specific to lxc/lxd but containers in 
general, I hope that is okay.
I have a process created using clone with the following flags 
(CLONE_NEWNS|CLONE_NEWIPC|CLONE_NEWUSER).
The process then try to mount the mqueue filesystem (mount -t mqueue 
mqueue /dev/mqueue).
However, the mounted mqueue fs has inode->i_uid = 0, instead of our ns 
uid e.g 10000. Is this expected ?
For other e.g tmpfs the inode->i_uid is properly set to our ns uid.

Thanks in advance.

-- 
Regards,

Thomas