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From: Alexei Starovoitov <alexei.starovoitov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Sargun Dhillon <sargun-GaZTRHToo+CzQB+pC5nmwQ@public.gmane.org>
Cc: netdev <netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Linux Containers
	<containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>,
	Kees Cook <keescook-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>,
	Daniel Borkmann <daniel-FeC+5ew28dpmcu3hnIyYJQ@public.gmane.org>
Subject: Re: Userspace helper design
Date: Tue, 6 Mar 2018 13:51:14 -0800	[thread overview]
Message-ID: <20180306215112.yn2ei6ypzo74hexv@ast-mbp.dhcp.thefacebook.com> (raw)
In-Reply-To: <CAMp4zn8fdMYOpemqaQ_7+KAMmnVtHzi-wz_RqG_HJh15b81SDg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>

On Tue, Mar 06, 2018 at 01:14:30PM -0800, Sargun Dhillon wrote:
> 
> So, would this verifier just ensure that no maps are accessed prior to
> the helper being called, XOR ensure that after the helper is called,
> no map values are accessed?

Nack on this design.

      parent reply	other threads:[~2018-03-06 21:51 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20180306013448.GA6631@ircssh-2.c.rugged-nimbus-611.internal>
     [not found] ` <20180306014542.me6xtmyhhkystywz@ast-mbp>
     [not found]   ` <CAMp4zn_c51SC5gvsk=pzTD7UCsid1DCyPhe-ScohZzrpyObu7g@mail.gmail.com>
     [not found]     ` <20180306015351.5swdihfrisxb7226@ast-mbp>
     [not found]       ` <307b9945-57d0-1178-32af-3837aaefae90@iogearbox.net>
     [not found]         ` <CAMp4zn-Ga08OFF34BiQ+YqcnmKYrAbNgRKbK9UkG5TfVrjLqTw@mail.gmail.com>
     [not found]           ` <fc4e2ea0-5bdc-a0be-c500-f55e7de8e1bd@iogearbox.net>
     [not found]             ` <fc4e2ea0-5bdc-a0be-c500-f55e7de8e1bd-FeC+5ew28dpmcu3hnIyYJQ@public.gmane.org>
2018-03-06 21:14               ` Userspace helper design Sargun Dhillon
     [not found]                 ` <CAMp4zn8fdMYOpemqaQ_7+KAMmnVtHzi-wz_RqG_HJh15b81SDg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2018-03-06 21:51                   ` Alexei Starovoitov [this message]

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