Re: sysutils/lsof stopped working for non-root user

[Chavdar Ivanov <ci4ic4%gmail.com@localhost>]

So is this expected and intended consequence, bug or still unfinished
part of the project? Just curious (it runs on FreeBSD-current, latest
CentOS, NetBSD-8).
On Wed, 26 Sep 2018 at 17:33, Christos Zoulas <christos%astron.com@localhost> wrote:
>
> In article <CAG0OUxgnv9uYDBZMeYm_WTg8wPm=BVvr5A67bOZgVJeKw9ZiYw%mail.gmail.com@localhost>,
> Chavdar Ivanov  <ci4ic4%gmail.com@localhost> wrote:
> >-=-=-=-=-=-
> >
> >Hi,
> >
> >On amd64 -current from yesterday the latest lsof returns immediately if
> >invoked by non-root user. I am sure it worked a few weeks ago. It works ok
> >for the root.
> >
> >ktruss /usr/pkg/sbin/lsof
> >
> >returns only:
> >
> >fcntl(0x4, 0x3, 0)                = 4194305
> >emul(netbsd)
> >fcntl(0x4, 0x4, 0x400001) = 0
> >
> >Seeing it is installed setgid kmem, I added myself to the group, no effect.
> >
> >lsof was rebuilt once more just in case.
> >
> >Is this some new security measure or a fallout?
>
> I think this is part of maxv@ changes to hide pointers from userland.
>
> christos
>


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