Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751708AbdG0Skd (ORCPT ); Thu, 27 Jul 2017 14:40:33 -0400 Received: from mail-pf0-f181.google.com ([209.85.192.181]:36194 "EHLO mail-pf0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751461AbdG0Skc (ORCPT ); Thu, 27 Jul 2017 14:40:32 -0400 Subject: Re: use-after-free. [libata/block] To: Dave Jones , Linux Kernel , Tejun Heo References: <20170727183115.s4uf4z7lhshkzqba@codemonkey.org.uk> From: Jens Axboe Message-ID: Date: Thu, 27 Jul 2017 12:40:29 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 MIME-Version: 1.0 In-Reply-To: <20170727183115.s4uf4z7lhshkzqba@codemonkey.org.uk> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 377 Lines: 12 On 07/27/2017 12:31 PM, Dave Jones wrote: > Found this in the logs this morning after an overnight fuzz run.. > > BUG: KASAN: use-after-free in __lock_acquire+0x1aa/0x1970 > Read of size 8 at addr ffff880406805e30 by task trinity-c8/25954 Fix already exists for this, just hasn't made it into mainline yet: http://marc.info/?l=linux-mm&m=150108684932459&w=2 -- Jens Axboe