Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757023Ab3JNTXy (ORCPT ); Mon, 14 Oct 2013 15:23:54 -0400 Received: from mx1.redhat.com ([209.132.183.28]:47630 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756333Ab3JNTXx (ORCPT ); Mon, 14 Oct 2013 15:23:53 -0400 Date: Mon, 14 Oct 2013 21:17:12 +0200 From: Oleg Nesterov To: Linus Torvalds Cc: Dave Jones , Linux Kernel , Al Viro , Davide Libenzi , Eric Wong Subject: Re: epoll oops. Message-ID: <20131014191712.GA16886@redhat.com> References: <20131014154627.GA9525@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 691 Lines: 18 On 10/14, Linus Torvalds wrote: > > Oleg, does this trigger any memory for you? Commit 971316f0503a > ("epoll: ep_unregister_pollwait() can use the freed pwq->whead") just > makes me go "Hmm, this is *exactly* that that commit is talking > about.." Well. I have to admit I forgot everything I learned about this code when I tried to fix that bug, and there were some subtle changes after that... But of course I will try to investigate. Oleg. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/