Re: [take 3] Use pid in inotify events.

Evgeniy Polyakov
2008-11-21T15:09:05Z

On Fri, Nov 21, 2008 at 03:57:09PM +0100, Pavel Machek (pavel@suse.cz) wrote:
> > John & I intentionally did not add the pid field when writing inotify
> > for reasons of security and questionable need. It also stinks to have
> > to add a pid field to the event structure if that field is seldom
> > used.
>
> ...plus the permission check was quite strange. We don't normally try
> to hide PIDs, and 'equal uid' is very non-standard test. can_ptrace()
> is normally used for such stuff...

That's what Reobert suggested as a security measure. Expect this
decision will not be described in details, why it is good or bad.

I'm prefectly fine without this check either.