From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758698AbZBLLYH (ORCPT ); Thu, 12 Feb 2009 06:24:07 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751286AbZBLLXu (ORCPT ); Thu, 12 Feb 2009 06:23:50 -0500 Received: from fgwmail6.fujitsu.co.jp ([192.51.44.36]:36212 "EHLO fgwmail6.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752711AbZBLLXt (ORCPT ); Thu, 12 Feb 2009 06:23:49 -0500 From: KOSAKI Motohiro To: David Howells Subject: Re: [CRED bug?] 2.6.29-rc3 don't survive on stress workload Cc: kosaki.motohiro@jp.fujitsu.com, Serge Hallyn , LKML , Lee Schermerhorn In-Reply-To: <27421.1234436992@redhat.com> References: <20090210142443.629E.KOSAKI.MOTOHIRO@jp.fujitsu.com> <27421.1234436992@redhat.com> Message-Id: <20090212202118.0A58.KOSAKI.MOTOHIRO@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Mailer: Becky! ver. 2.42 [ja] Date: Thu, 12 Feb 2009 20:23:45 +0900 (JST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi > Aha! I reproduced it myself (with my patch to check atomic_dec_and_test() in > there, but not Serge's patch). Ironically, 13 hours of running Vegard's > setreuid() program didn't show anything, but halting the box whilst someone > was trying to SSH-crack it did. Today's my testing, your patch + serge's patch kernel didn't reproduce the bug for 12 hour running. but perhaps I am merely lucky guy.