From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, T_DKIMWL_WL_HIGH,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6863EC43218 for ; Tue, 11 Jun 2019 11:18:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3093920820 for ; Tue, 11 Jun 2019 11:18:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1560251901; bh=phM6+TBeeBniXxE1ov6BwxUWFA/cunGAbnxaCLfz124=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=qQ9/B9TtOqQ/hPjFS8wDPbqvDk/f1l8Sd6GE8NPPz9WjwPdQyCaWu7BRMGXoD7DHu 04NxbX3HnZFcBJ95TgNhA6f4cJjzA0FJj0rtA57C7iBzj/XHrMH3OwiepbUd/+yJbm FhVDPgkdbIUYPFChIcSdrRcdavQnFL0LDEd3eW2s= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389019AbfFKLSU (ORCPT ); Tue, 11 Jun 2019 07:18:20 -0400 Received: from mail.kernel.org ([198.145.29.99]:48692 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388969AbfFKLSU (ORCPT ); Tue, 11 Jun 2019 07:18:20 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 9858E2080A; Tue, 11 Jun 2019 11:18:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1560251900; bh=phM6+TBeeBniXxE1ov6BwxUWFA/cunGAbnxaCLfz124=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=PgjYKCA+w1l68LAKwBj6UjDiRIkuuuRsvM4wA631DaZ9Cmk94j5z60jtLGmI5N8jW cPe6IenMqtaXLiadWU1eFCgzsvruhJUkTMx+qzJIhP/YOwYI5qbUN2uLHf3tI3b8qn 5XyQ90CtbAu/2Ia+AT3VGbxNQ95awx1+PYzdamWM= Date: Tue, 11 Jun 2019 13:18:17 +0200 From: Greg KH To: Miles Chen Cc: stable@vger.kernel.org Subject: Re: backport commit ("739f79fc9db1 mm: memcontrol: fix NULL pointer crash in test_clear_page_writeback()") to linux-4.9-stable Message-ID: <20190611111817.GA12260@kroah.com> References: <1560243467.26425.8.camel@mtkswgap22> <20190611103407.GA3486@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190611103407.GA3486@kroah.com> User-Agent: Mutt/1.12.0 (2019-05-25) Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Tue, Jun 11, 2019 at 12:34:07PM +0200, Greg KH wrote: > On Tue, Jun 11, 2019 at 04:57:47PM +0800, Miles Chen wrote: > > Hi reviewers, > > > > I suggest to backport commit "739f79fc9db1 mm: memcontrol: fix NULL > > pointer crash in test_clear_page_writeback()" to linux-4.9 stable tree. > > > > This email reports a NULL pointer crash in test_clear_page_writeback() > > in android common kernel-4.9. There is a fix ("739f79fc9db1 mm: > > memcontrol: fix NULL pointer crash in test_clear_page_writeback()") in > > kernel-4.13. > > > > > > commit: 739f79fc9db1b38f96b5a5109b247a650fbebf6d > > subject: mm: memcontrol: fix NULL pointer crash in > > test_clear_page_writeback() > > kernel version to apply to: Linux-4.9 > > It does not apply cleanly to the 4.9.y tree, can you provide a working > backport of it that I can apply? Also be sure to cc: all of the people involved in that patch (the author and the cc and signed-off-by list) so they can weigh in if they do not feel that this patch should be backported to the older kernel. thanks, greg k-h