Re: [dm-devel] [Drbd-dev] [PATCH 2/2 v2] netlink: kill eff_cap from struct netlink_skb_parms

[Chris Wright <chrisw sous-sol org>]

* Lars Ellenberg (lars ellenberg linbit com) wrote:
> Last time I checked, current() for connector based netlink message
> consumers was the work queue that is used for connector.
> 
> So unless that changed, or my understanding is wrong, current_cap()
> inside cn_queue_wrapper(), respectively the d->callback()
> will not be the userland sender process' capabilities, but the work
> queue capabilities.

Yes, you're right.

> If so, then this change introduces the possibility for normal users to
> send privileged commands to connector based subsystems, even if they
> may not be able to bind() to suitable sockets to receive any replies.
> 
> Am I missing something?

No, thanks for review.  This puts back the async issue.