Re: ownership of /proc and /sys

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On Mi, 24.07.19 13:24, Jun Aruga (jaruga@xxxxxxxxxx) wrote:

> Sorry I posted my previous email wrongly.
>
> > > I have bunch of ideas, but all of them ugly (e.g., not own that file and create that directories in scriptlet). Do you
> > > have any ideas about this situation?
> >
> > Make systemd create them? It has to manage them anyway.
>
> I see this situation to think about the ownership of /proc happens
> when qemu-user-static RPM creates new
> /proc/sys/fs/binfmt_misc/qemu-$cpu files by "dnf install
> qemu-user-static" through running systemd. [1]
> Who is the owner of the /proc/sys/fs/binfmt_misc/qemu-$cpu files?
> The possible solution I am considering is "(e.g., not own that file
> and create that directories in scriptlet)".

These directories are runtime objects, i.e. kernel API exposed as a
file system. RPM should not own files below /proc. Something should
own/create /proc itself, since it needs to exist to be overmounted
with procfs, but beyond that stuff below /proc should be off limits
for any package manager I figure.

Lennart

--
Lennart Poettering, Berlin
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