[CRIU] Changing process environ, euid

[rektide at voodoowarez.com]

Thanks for the great pointers everyone who replied. I really appreciate the information & tooling you've given.

It's very interesting to me that it sounds like these pieces of data just need to be emplaced, and that
things "ought" work.

Thanks again,
rektide

On Mon, Jan 12, 2015 at 01:50:56PM +0300, Pavel Emelyanov wrote:
> On 01/08/2015 06:54 AM, rektide at voodoowarez.com wrote:
> > Hello,
> > 
> > What means does CRIU use to set up a process environ? I'm hoping there is some wisdom this particular
> > instrumentation group can lend, and I'm hoping there's some really bad nasty awful means to manipulate environ
> > of a running process. I'm also curious about how euid is setup, and whether there's any available ways to
> > instrument a process euid in linux?
> 
> Regarding this issue. CRIU doesn't do anything special about the environment as it just sits in
> the process' memory. So while dumping and restoring the latter, the former is also C/R-ed.
> 
> The similar is for euid. We don't special-care it, just dump and restore as is.
> 
> 
> The rest issues seek to be already addressed by Christopher and Ruslan.