linux-kernel - Re: [PATCH]: proc: export a processes resource limits via proc/<pid>

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]

Message-ID: <20070821185611.GA17822@hexapodia.org>
Date:	Tue, 21 Aug 2007 11:56:11 -0700
From:	Andy Isaacson <adi@...apodia.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Neil Horman <nhorman@...driver.com>, Valdis.Kletnieks@...edu,
	linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org
Subject: Re: [PATCH]: proc: export a processes resource limits via proc/<pid>

On Fri, Aug 17, 2007 at 12:45:47PM -0700, Andrew Morton wrote:
> On Fri, 17 Aug 2007 06:59:18 -0400
> Neil Horman <nhorman@...driver.com> wrote:
> > Currently, there exists no method for a process to query the resource
> > limits of another process.  They can be inferred via some mechanisms
> > but they cannot be explicitly determined.  Given that this
> > information can be usefull to know during the debugging of an
> > application, I've written this patch which exports all of a
> > processes limits via /proc/<pid>/limits.
> 
> I'm struggling with this a bit.  Sure, it _might_ be handy on some
> occasions to be able to get at this information.  But I've never seen
> anyone ask for it before, and it _is_ determinable by other means, if only
> strace.

I've wanted this information on multiple occasions in the past and was
mystified that there was no way to determine it.  And no, I don't feel
that strace is an answer -- given a running process, how do I use strace
to find out what its current ulimits are?

-andy
-
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/