linux-kernel - Re: C/R without "leaks" (was: Re: Creating tasks on restart: userspace vs kernel)

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 16 Apr 2009 20:12:15 +0400
From:	Alexey Dobriyan <adobriyan@...il.com>
To:	Greg Kurz <gkurz@...ibm.com>
Cc:	Oren Laadan <orenl@...columbia.edu>,
	Linux-Kernel <linux-kernel@...r.kernel.org>,
	Dave Hansen <dave@...ux.vnet.ibm.com>,
	containers@...ts.osdl.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: C/R without "leaks" (was: Re: Creating tasks on restart:
	userspace vs kernel)

On Thu, Apr 16, 2009 at 12:42:17AM +0200, Greg Kurz wrote:
> On Wed, 2009-04-15 at 23:56 +0400, Alexey Dobriyan wrote:

> > There are sockets and live netns as the most complex example. I'm not
> > prepared to describe it exactly, but people wishing to do C/R with
> > "leaks" should be very careful with their wishes.
> 
> They should close their sockets before checkpoint and find/have some way
> to reconnect after. This implies some kind of C/R awareness in the code
> to be checkpointed.

How do you imagine sshd closing sockets and reconnecting?
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/