linux-kernel - Re: 2.6.25.3: su gets stuck for root

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Message-ID: <20080513194612.GV8474@1wt.eu>
Date:	Tue, 13 May 2008 21:46:14 +0200
From:	Willy Tarreau <w@....eu>
To:	Harald Dunkel <harald.dunkel@...nline.de>
Cc:	Vegard Nossum <vegard.nossum@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: 2.6.25.3: su gets stuck for root

On Tue, May 13, 2008 at 07:43:33PM +0200, Harald Dunkel wrote:
> Vegard Nossum wrote:
> >
> >Can you try to run "strace su someuser" instead?
> >
> 
> I tried, but its a Heisenbug: If I run it with strace (with or without
> -f), then it doesn't get stuck.

even as root ? Because if you run strace on "su" as a user, you will
lose the setuid which may change the conditions.

Willy

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