Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755590AbZGUQLm (ORCPT ); Tue, 21 Jul 2009 12:11:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755458AbZGUQLk (ORCPT ); Tue, 21 Jul 2009 12:11:40 -0400 Received: from iolanthe.rowland.org ([192.131.102.54]:51396 "HELO iolanthe.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1755238AbZGUQLj (ORCPT ); Tue, 21 Jul 2009 12:11:39 -0400 Date: Tue, 21 Jul 2009 12:11:39 -0400 (EDT) From: Alan Stern X-X-Sender: stern@iolanthe.rowland.org To: Alan Cox cc: Daniel Mack , Kernel development list , USB list Subject: Re: [PATCH] [usb-serial] fix Ooops on uplug In-Reply-To: <20090721170055.10cce812@lxorguk.ukuu.org.uk> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 804 Lines: 27 On Tue, 21 Jul 2009, Alan Cox wrote: > > The problem is that freed resources are accessed, and that can lead to > > any kind of strange kernel faults from crashing to other subsequent > > errors. > > > > Did you try my patch? No. > We've already established your patch is wrong. So trying it isn't at all > helpful. I'll take your word for it. It will take some time to figure out exactly which buffers are getting used after they are freed, although the most likely is the usb_serial_port structure itself. Let you know what I find... Alan Stern -- 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/