From: Jeremy Evans <code@jeremyevans.net>
To: Eric Wong <e@80x24.org>
Cc: unicorn-public@bogomips.org
Subject: Re: [PATCH] Add worker_exec configuration option
Date: Wed, 8 Mar 2017 20:52:10 -0800 [thread overview]
Message-ID: <20170309045210.GB35527@jeremyevans.local> (raw)
In-Reply-To: <20170308200256.GA21719@whir>
On 03/08 08:02, Eric Wong wrote:
> Jeremy Evans <code@jeremyevans.net> wrote:
> > The worker_exec configuration option makes all worker processes
> > exec after forking. This initializes the worker processes with
> > separate memory layouts, defeating address space discovery
> > attacks on operating systems supporting address space layout
> > randomization, such as Linux, MacOS X, NetBSD, OpenBSD, and
> > Solaris.
> >
> > Support for execing workers is very similar to support for reexecing
> > the master process. The main difference is the worker's to_i and
> > master pipes also need to be inherited after worker exec just as the
> > listening sockets need to be inherited after reexec.
>
> Thanks, this seems like an acceptable feature.
<snip>
Eric,
Thanks for your detailed review. I will work on an updated patch and
try to send it tomorrow or Friday.
Thanks,
Jeremy
next prev parent reply other threads:[~2017-03-09 4:52 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-08 18:44 [PATCH] Add worker_exec configuration option Jeremy Evans
2017-03-08 20:02 ` Eric Wong
2017-03-09 4:52 ` Jeremy Evans [this message]
2017-03-09 13:57 ` Eric Wong
2017-03-09 19:41 ` [PATCH] Add worker_exec configuration option V2 Jeremy Evans
2017-03-10 21:19 ` Eric Wong
2017-03-11 5:26 ` Jeremy Evans
2017-03-11 7:18 ` Eric Wong
2017-03-13 15:32 ` Jeremy Evans
2017-03-13 19:18 ` Eric Wong
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://yhbt.net/unicorn/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20170309045210.GB35527@jeremyevans.local \
--to=code@jeremyevans.net \
--cc=e@80x24.org \
--cc=unicorn-public@bogomips.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this public inbox
https://yhbt.net/unicorn.git/
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).