From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH] mkiss: fix scribble on freed memory Date: Wed, 06 Jan 2016 15:08:18 -0500 (EST) Message-ID: <20160106.150818.1539288359464258183.davem@davemloft.net> References: <20160106145449.28695.13562.stgit@localhost.localdomain> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, davem@vger.kernel.org To: gnomes@lxorguk.ukuu.org.uk Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:39468 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752079AbcAFUIT (ORCPT ); Wed, 6 Jan 2016 15:08:19 -0500 In-Reply-To: <20160106145449.28695.13562.stgit@localhost.localdomain> Sender: netdev-owner@vger.kernel.org List-ID: From: Alan Date: Wed, 06 Jan 2016 14:55:02 +0000 > commit d79f16c046086f4fe0d42184a458e187464eb83e fixed a user triggerable > scribble on free memory but added a new one which allows the user to > scribble even more and user controlled data into freed space. > > As with 6pack we need to halt the queue before we free the buffers, because > the transmit logic is not protected by the semaphore. > > Signed-off-by: Alan Cox Applied and queued up for -stable, thanks Alan.