From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751836Ab2HFGeh (ORCPT ); Mon, 6 Aug 2012 02:34:37 -0400 Received: from zeniv.linux.org.uk ([195.92.253.2]:35000 "EHLO ZenIV.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750937Ab2HFGeg (ORCPT ); Mon, 6 Aug 2012 02:34:36 -0400 Date: Mon, 6 Aug 2012 07:34:33 +0100 From: Al Viro To: Sasha Levin Cc: "linux-kernel@vger.kernel.org" , Dave Jones Subject: Re: mq: INFO: possible circular locking dependency detected Message-ID: <20120806063433.GW23464@ZenIV.linux.org.uk> References: <501D0093.2090108@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <501D0093.2090108@gmail.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Aug 04, 2012 at 12:59:31PM +0200, Sasha Levin wrote: > Hi all, > > While fuzzing with trinity inside a KVM tools guest, using latest -next kernel, I've stumbled on the dump below. > > I think this is the result of commit 765927b2 ("switch dentry_open() to struct path, make it grab references itself"). Not quite, actually - back then the order didn't matter; unfortunately, I'd missed that place when porting Jan's series, which made these ordered. Anyway, see today's vfs.git#for-linus; that should be dealt with there.