Re: [RFC] Expose request_module via syscall

[Thomas Weißschuh]

On 2021-09-19 09:56+0200, Thomas Weißschuh wrote:
> On 2021-09-18T11:47-0700, Andy Lutomirski wrote:
> > But I admit I’m a bit confused.  What exactly is the container doing that causes the container’s copy of modprobe to be called?
> 
> The container is running an instance of the docker daemon in swarm mode.
> That needs the "ip_vs" module (amongst others) and explicitly tries to load it
> via modprobe.

If somebody stumbles upon this specific issue:
The "ip_vs" module will be autoloaded in future kernel versions with
https://lore.kernel.org/lkml/20211021130255.4177-1-linux@xxxxxxxxxxxxxx/
applied.

> > > If so the seccomp notifier can be used to intercept this system call for
> > > the container and verify the module against an allowlist similar to how
> > > we currently handle mount.
> > > 
> > > Christian