linux-kernel - Re: 2.6.24-rc3: find complains about /proc/net

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Message-ID: <20071120230106.GD24380@elte.hu>
Date:	Wed, 21 Nov 2007 00:01:06 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Roland McGrath <roland@...hat.com>
Cc:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Pavel Emelyanov <xemul@...nvz.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>, Pavel Machek <pavel@....cz>,
	kernel list <linux-kernel@...r.kernel.org>,
	netdev <netdev@...r.kernel.org>,
	Ulrich Drepper <drepper@...hat.com>
Subject: Re: 2.6.24-rc3: find complains about /proc/net


* Roland McGrath <roland@...hat.com> wrote:

> When did /proc/self get changed to follow tgid instead of pid?  glibc 
> uses /proc/self to refer to various things that are usually shared 
> anyway (fd, maps, cwd, exe), but I think the expectation has always 
> been that this refers to the same calling thread, not the group 
> leader.  e.g., if one thread has changed uids so it no longer has 
> access to the group leader's /proc/PID/fd, suddenly it using 
> /proc/self/fd starts failing.

i guess it was a v2.6.24 change, hence a regression that needs to be 
fixed?

	Ingo
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