Re: do we need CONFIG_UPROBES=y in our kernels?

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> > In a german developer blog article was the topic raised, that with
> > uprobes enabled, userland apps can i.e. circumvent tls security(and
> > other protections),
> > by telling the kernel to probe the function calls with the uprobes api.
> > As this enables i.e. the hosting system of a vm or container, to track
> > activity inside the container, trust is lost i.e. from customer to
> > hoster. To be fair, you need to be root on the host to do this, but as
> > it "wasn't possible before", and it is "now" ( out in a greater public
> > ), it tends to create trust issues, just for being there*.
> >
> > As this only works with uprobes enabled and has no use case besides a
> > developer debugging apps, the question is:
> >
> > Do we need this for all others out there enabled by default?
>
> Both systemtap and bpftrace can use uprobes.  Those capabilities have
> been important from time to time in my job.  That does not mean that
> my ability to do my job should outweigh security concerns, of course,
> but I think some effort should be made to find out if use of uprobes
> via systemtap and bpftrace is common amongst Fedora users.

And unfortunately it's not buildable as a module, I suspect there's
some form of capabilities around it, I'm not sure if that can be
tightened.
--
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